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Cheap flights from Seattle to London Heathrow Airport from £159

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — LHR
17 Jul — 24 Jul1
1 adult
Wed 17/7
Wed 24/7

The best prices from Seattle/Tacoma Intl to London Heathrow are usually found in January or February, booked 63 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap flight deals from Seattle to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 July 2024.

Popular in

June

Cheapest in

January

Average price

£838

Round-trip from

£67
High demand for flights, 29% potential price rise
Best time to find cheap flights, 20% potential price drop
Average for round-trip flights in July 2024
From Seattle/Tacoma Intl to London Heathrow

What is the cheapest day to fly round-trip from Seattle to London Heathrow Airport?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 38% when planning your travel around this day of the week.

How far in advance should I book a flight from Seattle to London Heathrow Airport?

Travelers have found it’s best to book a flight 8 days in advance to save up to 40% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 8 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to London Heathrow Airport 1-2 weeks in advance for as low as £504, or £781 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to London Heathrow Airport?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, November can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Seattle in November are about £654 on average during November, but can be found for as low as £430.

What is the cheapest time of day to fly from SEA to LHR?

Unlike at midday, when flights are generally more expensive, you can save up to 16% on flights from Seattle to London Heathrow Airport by exploring options for tickets in the afternoon.

Cheap American Airlines flights from Seattle to Heathrow

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 976,312 searches. Data last updated 12 July 2024.
Consider these cheap American Airlines flights we've found departing from Seattle to London. It's recommended that users confirm their flight details before booking.
Mon 30/900:22SEA - LHR
1 stop13h 48mAmerican Airlines
Wed 9/1008:40LHR - SEA
1 stop16h 06mAmerican Airlines
Deal found 10/7£491
Fri 20/900:22SEA - LHR
1 stop13h 48mAmerican Airlines
Tue 1/1009:50LHR - SEA
Nonstop9h 45mAmerican Airlines
Deal found 11/7£543
Tue 3/915:46SEA - LHR
1 stop14h 39mAmerican Airlines
Tue 15/1016:00LHR - SEA
Nonstop9h 45mAmerican Airlines
Deal found 11/7£551
Tue 27/813:30SEA - LHR
Nonstop9h 20mAmerican Airlines
Thu 5/909:45LHR - SEA
Nonstop9h 45mAmerican Airlines
Deal found 11/7£558
Thu 18/719:40SEA - LHR
Nonstop9h 20mAmerican Airlines
Thu 22/812:15LHR - SEA
1 stop15h 05mAmerican Airlines
Deal found 11/7£846
  • One of the most popular airlines travelling from Seattle to London Heathrow Airport is American Airlines. Flights from American Airlines travelling this route typically cost £886.96 RT. This price is typically 55% cheaper than other airlines that offer Seattle to London Heathrow Airport flights. When booking this route, the cheapest RT price found was £674. The most popular departure airport in Seattle when flying to London Heathrow Airport is Seattle/Tacoma Intl Airport. The most popular airport to fly into when visiting London Heathrow Airport is London Heathrow Airport. When flying from Seattle to London Heathrow Airport, American Airlines flights are 5% more popular than any other airline flying that same route.

Cheap Icelandair flights from Seattle to Heathrow

Explore cheap flight options specifically provided by Icelandair for the route between Seattle and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 976,312 searches. Data last updated 12 July 2024.
Have a look at some of the cheapest available Icelandair flights departing from Seattle and landing in London. Deals are refreshing constantly so come back soon for more options.
Mon 7/1015:50SEA - LHR
1 stop12h 05mIcelandair
Wed 23/1013:05LHR - SEA
1 stop12h 50mIcelandair
Deal found 10/7£407
Sun 22/918:55SEA - LHR
1 stop17h 25mIcelandair
Tue 5/1112:15LHR - SEA
1 stop12h 45mIcelandair
Deal found 10/7£412
Sun 22/918:55SEA - LHR
1 stop17h 25mIcelandair
Thu 26/913:10LHR - SEA
1 stop15h 25mIcelandair
Deal found 10/7£416
Tue 1/1018:55SEA - LHR
1 stop33h 00mIcelandair
Wed 16/1013:05LHR - SEA
1 stop12h 50mIcelandair
Deal found 11/7£417
Sun 8/1214:35SEA - LHR
1 stop20h 55mIcelandair
Tue 17/1212:15LHR - SEA
1 stop12h 45mIcelandair
Deal found 10/7£418
Tue 1/1018:55SEA - LHR
1 stop17h 25mIcelandair
Wed 16/1021:25LHR - SEA
1 stop28h 30mIcelandair
Deal found 11/7£419
Tue 12/1114:35SEA - LHR
1 stop20h 55mIcelandair
Mon 2/1220:40LHR - SEA
1 stop28h 20mIcelandair
Deal found 10/7£420
Wed 16/1015:50SEA - LHR
1 stop12h 05mIcelandair
Mon 21/1021:25LHR - SEA
1 stop28h 30mIcelandair
Deal found 10/7£425
Mon 4/1114:35SEA - LHR
1 stop12h 15mIcelandair
Tue 12/1112:15LHR - SEA
1 stop12h 45mIcelandair
Deal found 11/7£426
  • Icelandair is one of the most popular airlines used for those travelling from Seattle to London Heathrow Airport. Flights from Icelandair travelling this route typically cost £905.02 RT. This price is typically 45% more expensive than other airlines that offer Seattle to London Heathrow Airport flights. When booking this route, the cheapest RT price found was £638. The most popular departure airport in Seattle when flying to London Heathrow Airport is Seattle/Tacoma Intl Airport. The most popular airport to fly into when visiting London Heathrow Airport is London Heathrow Airport. When flying from Seattle to London Heathrow Airport, Icelandair flights are 4% more popular than any other airline flying that same route.

Cheap Seattle to Heathrow flights in July & August 2024

Find cheap flight options from Seattle to Heathrow specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 976,312 searches. Prices were last updated on 12 July 2024.
The lowest fares we've come across on flights travelling from Seattle to London in July and August 2024. Check back in a little while for more flight options.
Wed 21/818:55SEA - LHR
1 stop17h 25mIcelandair
Wed 4/921:25LHR - SEA
1 stop21h 55mIcelandair
Deal found 11/7£500
Wed 21/823:00SEA - LHR
1 stop13h 20mIcelandair
Wed 4/913:05LHR - SEA
1 stop30h 15mIcelandair
Deal found 10/7£508
Mon 19/818:55SEA - LHR
1 stop17h 25mIcelandair
Mon 2/921:25LHR - SEA
1 stop21h 55mIcelandair
Deal found 11/7£514
Mon 26/818:55SEA - LHR
1 stop17h 25mIcelandair
Mon 2/913:05LHR - SEA
1 stop30h 15mIcelandair
Deal found 11/7£519
Sun 4/815:50SEA - LHR
1 stop12h 05mIcelandair
Tue 27/821:25LHR - SEA
1 stop21h 55mIcelandair
Deal found 11/7£522
Wed 21/823:00SEA - LHR
1 stop13h 20mIcelandair
Wed 28/813:05LHR - SEA
1 stop12h 35mIcelandair
Deal found 11/7£524
Wed 21/818:55SEA - LHR
1 stop17h 25mIcelandair
Tue 27/821:25LHR - SEA
1 stop21h 55mIcelandair
Deal found 11/7£524
Mon 19/818:55SEA - LHR
1 stop17h 25mIcelandair
Mon 26/821:25LHR - SEA
1 stop21h 55mIcelandair
Deal found 11/7£525
Mon 19/823:00SEA - LHR
1 stop13h 20mIcelandair
Tue 27/821:25LHR - SEA
1 stop21h 55mIcelandair
Deal found 11/7£526

Seattle to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 976,312 searches. Data last updated 12 July 2024.
The lowest fares we've come across on flights travelling from Seattle to London in July and August 2024. Check back in a little while for more flight options.
Sun 22/918:55SEA - LHR
1 stop17h 25mIcelandair
Thu 26/913:10LHR - SEA
1 stop12h 45mIcelandair
Deal found 11/7£416
Tue 1/1018:55SEA - LHR
1 stop33h 00mIcelandair
Wed 16/1013:05LHR - SEA
1 stop12h 50mIcelandair
Deal found 11/7£417
Sun 8/1214:35SEA - LHR
1 stop12h 15mIcelandair
Tue 17/1212:15LHR - SEA
1 stop12h 45mIcelandair
Deal found 11/7£418
Tue 1/1018:55SEA - LHR
1 stop17h 25mIcelandair
Wed 16/1021:25LHR - SEA
1 stop28h 30mIcelandair
Deal found 11/7£419
Sun 3/1114:35SEA - LHR
1 stop12h 15mIcelandair
Thu 7/1112:15LHR - SEA
1 stop12h 45mIcelandair
Deal found 11/7£426
Tue 1/1018:55SEA - LHR
1 stop17h 25mIcelandair
Tue 29/1020:40LHR - SEA
1 stop28h 20mIcelandair
Deal found 11/7£427
Sun 29/918:55SEA - LHR
1 stop33h 00mIcelandair
Wed 9/1021:25LHR - SEA
1 stop28h 30mIcelandair
Deal found 11/7£428
Mon 4/1114:50SEA - LHR
1 stop20h 40mIcelandair
Mon 11/1120:40LHR - SEA
1 stop28h 15mIcelandair
Deal found 11/7£429
Mon 30/915:50SEA - LHR
1 stop12h 05mIcelandair
Fri 4/1013:05LHR - SEA
1 stop12h 50mIcelandair
Deal found 11/7£430

Direct flights to Heathrow from Seattle

Discover direct flight options from Seattle to Heathrow. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 976,312 searches. Data last updated 12 July 2024.
To help reduce your travel time, choose from one of these non-stop flights from Seattle to London. Those looking to potentially save on 1 or 2-stop flights from Seattle to London should utilise the search form at the top of the page.
Tue 15/1013:30SEA - LHR
Nonstop9h 20mBritish Airways
Wed 23/1009:50LHR - SEA
Nonstop9h 45mBritish Airways
Deal found 11/7£479
Tue 29/1014:35SEA - LHR
Nonstop9h 25mBritish Airways
Thu 7/1115:00LHR - SEA
Nonstop9h 55mBritish Airways
Deal found 11/7£480
Thu 10/1013:30SEA - LHR
Nonstop9h 20mBritish Airways
Thu 17/1009:45LHR - SEA
Nonstop9h 45mBritish Airways
Deal found 11/7£494
Sat 12/1021:20SEA - LHR
Nonstop9h 30mKLM
Thu 24/1016:50LHR - SEA
Nonstop10h 25mKLM
Deal found 11/7£518
Mon 2/919:40SEA - LHR
Nonstop9h 20mBritish Airways
Tue 24/916:00LHR - SEA
Nonstop9h 45mBritish Airways
Deal found 11/7£521
Tue 27/813:30SEA - LHR
Nonstop9h 20mBritish Airways
Tue 24/916:00LHR - SEA
Nonstop9h 45mBritish Airways
Deal found 11/7£531
Wed 25/919:40SEA - LHR
Nonstop9h 20mBritish Airways
Mon 7/1009:50LHR - SEA
Nonstop9h 45mBritish Airways
Deal found 11/7£540
Mon 2/916:30SEA - LHR
Nonstop9h 20mVirgin Atlantic
Wed 18/912:45LHR - SEA
Nonstop9h 55mVirgin Atlantic
Deal found 11/7£545
Tue 17/919:40SEA - LHR
Nonstop9h 20mBritish Airways
Tue 24/916:00LHR - SEA
Nonstop9h 45mBritish Airways
Deal found 11/7£547

Seattle to Heathrow flights leaving soon

Find last-minute flight options from Seattle to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 976,312 searches. Data last updated 12 July 2024.
Book one of these great deals on flights from Seattle to London. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Wed 17/715:50SEA - LHR
1 stop12h 05mIcelandair
Wed 21/821:25LHR - SEA
1 stop21h 55mIcelandair
Deal found 11/7£616
Thu 18/723:00SEA - LHR
1 stop28h 55mIcelandair
Wed 21/821:25LHR - SEA
1 stop21h 55mIcelandair
Deal found 11/7£650
Wed 17/715:50SEA - LHR
1 stop12h 05mIcelandair
Tue 20/821:25LHR - SEA
1 stop21h 55mIcelandair
Deal found 11/7£659
Wed 17/715:50SEA - LHR
1 stop12h 05mMultiple Airlines
Thu 22/819:30LHR - SEA
2 stops36h 40mMultiple Airlines
Deal found 11/7£663
Wed 17/715:50SEA - LHR
1 stop12h 05mMultiple Airlines
Fri 23/807:05LHR - SEA
2 stops25h 05mMultiple Airlines
Deal found 11/7£673
Thu 18/723:00SEA - LHR
1 stop28h 55mIcelandair
Sun 18/821:25LHR - SEA
1 stop21h 55mIcelandair
Deal found 11/7£684
Wed 17/715:50SEA - LHR
1 stop12h 05mMultiple Airlines
Wed 21/820:45LHR - SEA
2 stops35h 25mMultiple Airlines
Deal found 11/7£687
Wed 17/715:50SEA - LHR
1 stop12h 05mMultiple Airlines
Thu 22/821:05LHR - SEA
3 stops35h 05mMultiple Airlines
Deal found 11/7£694
Wed 17/715:50SEA - LHR
1 stop12h 05mMultiple Airlines
Mon 19/820:25LHR - SEA
2 stops35h 45mMultiple Airlines
Deal found 11/7£705

One-way flights to Heathrow from Seattle

Search for one-way flight options from Seattle to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 976,312 searches. Data last updated 12 July 2024.
Users in need of a one-way flight from Seattle to London can choose from these deals. Users can also find round-trip Seattle to London flights by using the search form above.
Tue 1/1018:55SEA - LHR
1 stop17h 25mIcelandair
Deal found 11/7£159
Sun 29/915:50SEA - LHR
1 stop20h 30mIcelandair
Deal found 10/7£163
Wed 2/1018:55SEA - LHR
1 stop17h 25mIcelandair
Deal found 10/7£164
Mon 7/1015:50SEA - LHR
1 stop20h 30mIcelandair
Deal found 10/7£164
Sun 29/918:55SEA - LHR
1 stop33h 00mIcelandair
Deal found 11/7£165
Wed 16/1015:50SEA - LHR
1 stop20h 30mIcelandair
Deal found 11/7£171
Sun 20/1015:50SEA - LHR
1 stop12h 05mIcelandair
Deal found 11/7£174
Wed 9/1007:00SEA - LHR
1 stop21h 05mWestJet
Deal found 11/7£194
Sat 5/1015:50SEA - LHR
1 stop12h 05mIcelandair
Deal found 11/7£195

Find flights from Seattle to Heathrow within your budget

Customise your flight search to find flights from Seattle to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 976,312 searches. Data last updated 12 July 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£407 - £491

Route

Depart

Return

Price

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Mon 7/10

1 stop12h 05m

London Heathrow

Wed 23/10

1 stop12h 50m

£407

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 2/10

1 stop14h 10m

London Heathrow

Fri 18/10

1 stop30h 20m

£455

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Mon 14/10

2 stops15h 20m

London Heathrow

Fri 25/10

1 stop17h 34m

£458

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 1/10

Nonstop9h 20m

London Heathrow

Tue 29/10

1 stop14h 00m

£473

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 25/9

Nonstop9h 20m

London Heathrow

Tue 8/10

1 stop13h 05m

£474

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 6/11

2 stops18h 35m

London Heathrow

Mon 18/11

1 stop34h 10m

£479

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Mon 14/10

Nonstop9h 20m

London Heathrow

Fri 25/10

Nonstop9h 45m

£479

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 22/9

2 stops20h 45m

London Heathrow

Mon 30/9

2 stops30h 21m

£481

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Mon 30/9

1 stop13h 48m

London Heathrow

Wed 9/10

1 stop16h 06m

£491

Flights are sorted by cheapest first

Deals found on 10/7

How far ahead should I book a flight from Seattle to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Seattle to Heathrow. Price data was last updated on 5 July 2024.
The price you pay for your flight from Seattle to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Seattle to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Seattle to Heathrow. Price data was last updated on 7 July 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Seattle to London Heathrow Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Seattle to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

4 - 17 °C

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 12 July 2024.
Read reviews from past customers who have flown American Airlines, Icelandair and Lufthansa from Seattle to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
9,825 reviews

Food

7.4

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida

8.0
Very Good
9,825 reviews
8.0
Very Good
9,825 reviews

Food

7.4

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida

7.9
Good
1,426 reviews
8.0
Very Good
9,825 reviews

Food

7.4

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida

7.7
Good
1,816 reviews
8.0
Very Good
9,825 reviews

Food

7.4

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida

7.6
Good
708 reviews
8.0
Very Good
9,825 reviews

Food

7.4

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida

7.4
Good
10,000 reviews
8.0
Very Good
9,825 reviews

Food

7.4

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida

Related info for your journey

Find useful and relevant information for your journey from Seattle to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Seattle to London Heathrow?

    If you book a flight to London Heathrow from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 19 flights from Seattle/Tacoma Intl to London Heathrow per day from 5 different airlines.

  • Can I find flights from Seattle to London Heathrow Airport for under £500 on Cheapflights?

    Yes, there are multiple flights from Seattle to London Heathrow Airport for under £500. The cheapest flight booked recently is on Icelandair for just £407, but on average you can expect to pay £424.

  • Are there nonstop flights from Seattle to London Heathrow Airport for under £500 on Cheapflights?

    Cheapflights has at least 20 direct flights from Seattle to London Heathrow Airport under £500. A good price for a nonstop flight from Seattle to London Heathrow Airport is less than £540.

  • Are there last-minute flights available from Seattle to London Heathrow Airport for under £700?

    There are currently 20+ open flights from Seattle to London Heathrow Airport within the next 7 days for less than £700.

  • What is the cheapest airline to fly from Seattle to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Seattle to London Heathrow Airport round-trip from £407. You may be able to fly from Seattle to London Heathrow Airport for 38% less than the average price by searching for this airline.

  • What are the most reliable airlines from Seattle to London Heathrow Airport?

    Consider Alaska Airlines (79%), American Airlines (71%) or Aer Lingus (71%) when booking your flight. These represent the most reliable airlines when flying from Seattle to London Heathrow Airport.

  • What are the cheapest flights from Seattle to London Heathrow Airport?

    While on average a flight from Seattle to London Heathrow Airport is generally £646, our data shows the cheapest flight currently is £370. When looking at the most popular route, (Seattle/Tacoma Intl - London Heathrow), you can expect to pay £407 for that flight.

  • What does SEA to LHR mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to London Heathrow Airport flight would often be abbreviated as a SEA to LHR flight.

  • Can I find deals for flights from Seattle to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Heathrow that include hotel bookings?

    Yes. In addition to deals on Seattle to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Heathrow.

  • Can I find deals for business class flights from Seattle to Heathrow?

    Yes. Cheapflights offers flight deals from Seattle to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Heathrow that allow pets onboard?

    Many airlines flying from Seattle to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Heathrow?

    Yes, you can often find last-minute deals on Seattle to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to London Heathrow Airport flight deals updated?

    The Seattle to London Heathrow Airport flight deals you see on this page were last updated on 11/7.

  • What are the most popular airlines that fly from Seattle to London Heathrow Airport?

  • What is the cheapest month to book a flight from Seattle to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Seattle to London Heathrow Airport (average of £110). Flying from Seattle to London Heathrow Airport in July is currently the most expensive (average of £166). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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