Find flights
Deals
Airlines

£77+ Cheap flights from Seattle

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 28/10. 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
16 Nov — 23 Nov1
1 adult
1 adult, Economy

What to know about flights from Seattle

Discover essential information about flights departing from Seattle, including flight schedules, destinations, airlines operating at the Seattle airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 17 October 2025.

Cheapest round-trip flight

£425

Cheapest airline

Alaska Airlines

Good round-trip deal

£124 or less

Good one-way deal

£54 or less
The cheapest round-trip flight from Seattle/Tacoma Intl is currently to London Heathrow.
Search Deals
On average, Alaska Airlines currently has the cheapest one-way flight from Seattle/Tacoma Intl (avg. price of £176).
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl.
Search Deals

Find flights from Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Seattle
Explore the most affordable flight options available from Seattle. Find the lowest fares based on data from user searches, with prices last updated on 17 October 2025.

Tue 18/1110:05SEA - EWR
Nonstop5h 24mAlaska Airlines
Wed 19/1107:30EWR - SEA
Nonstop6h 10mAlaska Airlines
Deal found 15/10£147
Tue 28/1009:10SEA - LGA
1 stop8h 50mSouthwest
Fri 31/1006:30LGA - SEA
1 stop8h 10mSouthwest
Deal found 15/10£147
Thu 30/1021:34SEA - EWR
Nonstop5h 25mAlaska Airlines
Sat 8/1107:30EWR - SEA
Nonstop6h 10mAlaska Airlines
Deal found 15/10£150
Tue 4/1108:36SEA - EWR
1 stop7h 53mUnited Airlines
Tue 11/1119:28EWR - SEA
Nonstop6h 18mUnited Airlines
Deal found 15/10£151
Tue 28/1008:36SEA - EWR
1 stop7h 53mUnited Airlines
Sat 1/1119:24EWR - SEA
Nonstop6h 18mUnited Airlines
Deal found 15/10£152
Sat 1/1105:05SEA - EWR
1 stop7h 30mUnited Airlines
Fri 7/1119:28EWR - SEA
Nonstop6h 16mUnited Airlines
Deal found 17/10£154
Wed 5/1107:00SEA - EWR
Nonstop5h 25mAlaska Airlines
Wed 5/1117:30EWR - SEA
Nonstop6h 16mAlaska Airlines
Deal found 15/10£157
Fri 14/1123:50SEA - EWR
Nonstop5h 08mUnited Airlines
Sun 23/1119:28EWR - SEA
Nonstop6h 18mUnited Airlines
Deal found 17/10£158
Sat 1/1119:17SEA - JFK
1 stop9h 13mFrontier
Sat 8/1107:59JFK - SEA
1 stop13h 33mFrontier
Deal found 16/10£158
Sat 1/1110:05SEA - EWR
Nonstop5h 24mAlaska Airlines
Fri 7/1119:29EWR - SEA
Nonstop6h 21mAlaska Airlines
Deal found 16/10£160
Mon 17/1107:00SEA - EWR
Nonstop5h 25mAlaska Airlines
Mon 24/1119:59EWR - SEA
Nonstop6h 16mAlaska Airlines
Deal found 17/10£162
Sat 15/1108:36SEA - EWR
1 stop7h 53mUnited Airlines
Thu 20/1119:28EWR - SEA
Nonstop6h 18mUnited Airlines
Deal found 15/10£162

Find flights from Seattle within your budget

 
Find flights departing from Seattle that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 17 October 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 18/11

08:48-17:06

Nonstop5h 18m

Newark

Sat 6/12

17:30-20:51

Nonstop6h 21m

£147

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Wed 12/11

05:40-15:40

1 stop7h 00m

New York LaGuardia

Wed 19/11

11:15-18:40

1 stop10h 25m

£147

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Fri 31/10

05:45-15:45

1 stop7h 00m

New York LaGuardia

Tue 4/11

16:55-22:55

1 stop9h 00m

£147

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sun 11/1

07:00-15:19

Nonstop5h 19m

Newark

Sun 18/1

15:00-20:57

1 stop8h 57m

£169

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 28/10

08:48-17:06

Nonstop5h 18m

Newark

Thu 6/11

17:30-20:46

Nonstop6h 16m

£169

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 14/1

10:58-21:41

1 stop7h 43m

Newark

Sun 18/1

19:50-23:15

Nonstop6h 25m

£169

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 10/3

10:35-19:02

Nonstop5h 27m

Newark

Wed 11/3

15:45-19:03

Nonstop6h 18m

£176

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Tue 28/10

23:34-07:53

Nonstop5h 19m

New York John F Kennedy Intl

Wed 5/11

07:00-10:25

Nonstop6h 25m

£176

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Wed 5/11

14:40-22:59

Nonstop5h 19m

New York John F Kennedy Intl

Sat 8/11

16:51-20:13

Nonstop6h 22m

£176

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Wed 19/11

23:34-07:53

Nonstop5h 19m

New York John F Kennedy Intl

Wed 3/12

11:30-14:56

Nonstop6h 26m

£180

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Seattle

Have a flexible travel schedule? Discover the best time to fly 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.

Travel insights for flights from Seattle

Get recent, data-driven insights about flights from Seattle including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Seattle?

Use this chart to determine the optimal time to book a return flight from Seattle to Heathrow. Price data was last updated on 10 October 2025.

Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle?

Currently, November is the cheapest month in which you can book a flight from Seattle (average of £361). Flying from Seattle in June will prove the most costly (average of £590). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Seattle?

Many airlines operate round-trip flights from Seattle: Virgin Atlantic, British Airways, Aer Lingus. These airlines fly to the following popular destinations: London.

Alaska Airlines
Alaska Airlines
From £64
Virgin Atlantic
Virgin Atlantic
From £368
British Airways
British Airways
From £353
Icelandair
Icelandair
From £366

What are popular destinations to fly to from Seattle?

If you’re flying from Seattle, these routes are more frequently taken by airlines Chicago (703 flights per day), Los Angeles (586 flights per day) and San Francisco (508 flights per day).

London
London
From £290
Vancouver Intl
Vancouver Intl
From £52
Helsinki-Vantaa
Helsinki-Vantaa
From £434
San Francisco
San Francisco
From £69

What is the cheapest place to fly to from Seattle?

The cheapest city to fly to from Seattle is Vancouver Intl, with prices starting at £52. Explore other affordable destinations below.

Vancouver Intl
Vancouver Intl
From £52
Boise Air Term. Gowen Fld
Boise Air Term. Gowen Fld
From £57
San Francisco
San Francisco
From £69

Airline reviews for flights from Seattle

Get insights into the airlines that provide service from Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Seattle. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Check out reviews from past customers who have flown Virgin Atlantic, Aer Lingus, andBritish Airways from Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
670 reviews
Check prices

Crew

8.1

Entertainment

7.5

Overall

7.5

Comfort

7.3

Food

6.9

Boarding

7.7

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Virgin Atlantic
7.5
Good
670 reviews
Virgin Atlantic
7.5
Good
670 reviews
Check prices

Crew

8.1

Entertainment

7.5

Overall

7.5

Comfort

7.3

Food

6.9

Boarding

7.7

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Aer Lingus
7.2
Good
1,344 reviews
Virgin Atlantic
7.5
Good
670 reviews
Check prices

Crew

8.1

Entertainment

7.5

Overall

7.5

Comfort

7.3

Food

6.9

Boarding

7.7

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
British Airways
6.7
Okay
7,459 reviews
Virgin Atlantic
7.5
Good
670 reviews
Check prices

Crew

8.1

Entertainment

7.5

Overall

7.5

Comfort

7.3

Food

6.9

Boarding

7.7

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from Washington

Book a direct flight from one of these other cities located in Washington.
Direct flights from Spokane
Direct flights from Pasco
Direct flights from Bellingham
Direct flights from Pullman

Related info for your journey

Access useful and relevant information related to your journey from Seattle. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 17 October 2025.

  • What are the most popular destinations to fly to from Seattle?

    This month, the top selected destinations from Seattle are Boston, Bangkok Suvarnabhumi Airport, Mumbai. Throughout the year, Boston, Bangkok Suvarnabhumi Airport, Mumbai are some of the top choices made by users flying from Seattle.

  • What is the cheapest flight from Seattle to anywhere?

    Users have flown out of Seattle for as low as £52 to Vancouver Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £381 to fly from Seattle.

  • What are the cheapest airlines flying from Seattle to anywhere?

    Over the past few days, we've found that Alaska Airlines, Delta, and Air Canada have the cheapest prices from Seattle. Alaska Airlines flights from Seattle to Anchorage (£64), Delta flights from Seattle to Denver Intl (£66), and Air Canada flights from Seattle to Vancouver Intl (£127).

  • What is the cheapest premium economy flight from Seattle?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Seattle.
    Seattle/Tacoma Intl to San Francisco from £342
    Seattle/Tacoma Intl to Kahului from £406
    Seattle/Tacoma Intl to Anchorage from £668
    Seattle/Tacoma Intl to Frankfurt am Main Airport from £848

  • What is the cheapest first class flight from Seattle?

    If you’re looking for a cheap first-class flight from Seattle, consider Missoula. Prices start at £148 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Seattle?

    At the present moment the cheapest month to fly from Seattle is currently November; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Seattle?

    Check out the cheapest flights from Seattle to embark to:
    Travel from Seattle to London from £353 round trip

  • How does Cheapflights help users find flights from Seattle?

    Cheapflights helps you search for flights from Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from Seattle?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Seattle with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from Seattle become cheaper?

    Not ready to book yet? You can track prices for flights from Seattle on Cheapflights with our Price Alerts feature and get notified when better prices are available.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle?

Cheapflights helps you search for flights from Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle become cheaper?

Not ready to book yet? You can track prices for flights from Seattle on Cheapflights with our Price Alerts feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.