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Cheap flights from Washington to London from £183

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 26/3. 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 — LON
26 Feb — 4 Mar1
1 adult
Mon 26/2
Mon 4/3

How far in advance should I book a flight from State of Washington to London?

Users have found that booking a flight from State of Washington to London at least 59 days early can save you up to 39% on average compared to booking a flight this week. If booking 59 days before your flight isn’t an option for you, users have found flights from State of Washington to London for as little as £686 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £906 for flights departing within the next 3 days.

What is the cheapest month to fly from State of Washington to London?

Our data shows that January tends to be the cheapest month to fly to London from State of Washington. Users have commonly found prices around £681 for the month, but tickets can be as low as £366. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from State of Washington to London (WA - LON)?

When flying from State of Washington to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Delta flights from Washington to London

Explore cheap flight options specifically provided by Delta for the route between Washington and London. 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 919,059 searches. Data last updated 22 February 2024.
Check out some of the cheapest Delta flights we've come across from Washington to London. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 27/317:15SEA - LHR
Nonstop9h 25mDelta
Wed 10/409:55LHR - SEA
1 stop14h 45mDelta
Deal found 19/2£516
Wed 13/317:15SEA - LHR
Nonstop9h 25mDelta
Wed 20/312:25LHR - SEA
Nonstop9h 55mDelta
Deal found 20/2£519
Wed 27/318:55SEA - LHR
Nonstop9h 45mDelta
Wed 10/412:45LHR - SEA
Nonstop9h 55mDelta
Deal found 20/2£520
Sun 10/318:55SEA - LHR
Nonstop9h 45mDelta
Tue 19/306:30LHR - SEA
1 stop13h 35mDelta
Deal found 20/2£536
Sun 10/317:15SEA - LHR
Nonstop9h 25mDelta
Wed 20/316:35LHR - SEA
Nonstop10h 25mDelta
Deal found 20/2£543
Wed 27/318:55SEA - LHR
Nonstop9h 45mDelta
Wed 10/415:55LHR - SEA
Nonstop10h 20mDelta
Deal found 21/2£543
Thu 7/316:15SEA - LHR
Nonstop9h 25mDelta
Mon 11/311:45LHR - SEA
1 stop32h 20mDelta
Deal found 20/2£576
Thu 14/317:15SEA - LHR
Nonstop9h 25mDelta
Fri 22/316:35LHR - SEA
Nonstop10h 25mDelta
Deal found 20/2£582
Wed 17/416:30SEA - LHR
Nonstop9h 20mDelta
Sun 21/412:45LHR - SEA
Nonstop9h 55mDelta
Deal found 21/2£583

Cheap Virgin Atlantic flights from Washington to London

Explore cheap flight options specifically provided by Virgin Atlantic for the route between Washington and London. 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 919,059 searches. Data last updated 22 February 2024.
Some of the lowest-priced Virgin Atlantic flights we've found at this time heading from Washington to London. Deals are refreshing constantly so come back soon for more options.
Tue 19/309:25SEA - LHR
1 stop20h 30mVirgin Atlantic
Tue 26/316:35LHR - SEA
Nonstop10h 25mVirgin Atlantic
Deal found 20/2£522
Wed 20/306:45GEG - LHR
2 stops19h 15mVirgin Atlantic
Wed 27/310:00LHR - GEG
2 stops20h 06mVirgin Atlantic
Deal found 20/2£527
Wed 28/216:15SEA - LHR
Nonstop9h 25mVirgin Atlantic
Mon 11/314:45LHR - SEA
1 stop29h 40mVirgin Atlantic
Deal found 20/2£668
Fri 1/309:55GEG - LHR
2 stops17h 00mVirgin Atlantic
Tue 5/306:20LHR - GEG
2 stops20h 20mVirgin Atlantic
Deal found 19/2£670
Fri 1/315:05GEG - LHR
1 stop12h 35mVirgin Atlantic
Tue 5/312:25LHR - GEG
1 stop19h 55mVirgin Atlantic
Deal found 19/2£672
Fri 1/317:55SEA - LHR
Nonstop9h 45mVirgin Atlantic
Tue 12/306:20LHR - SEA
1 stop14h 05mVirgin Atlantic
Deal found 19/2£699
Thu 29/216:15SEA - LHR
Nonstop9h 25mVirgin Atlantic
Wed 6/317:35LHR - SEA
1 stop28h 35mVirgin Atlantic
Deal found 19/2£707
Fri 1/316:15SEA - LHR
Nonstop9h 25mVirgin Atlantic
Thu 14/312:25LHR - SEA
Nonstop9h 55mVirgin Atlantic
Deal found 20/2£728
Fri 1/316:15SEA - LHR
Nonstop9h 25mVirgin Atlantic
Sat 23/316:35LHR - SEA
Nonstop10h 25mVirgin Atlantic
Deal found 20/2£744

Cheap Washington to London flights in February & March 2024

Find cheap flight options from Washington to London specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 919,059 searches. Prices were last updated on 22 February 2024.
The lowest fares we've come across on flights travelling from Washington to London in February and March 2024. Check back soon for alternative fares.
Tue 26/315:35SEA - LGW
1 stop12h 20mIcelandair
Tue 16/413:00LGW - SEA
1 stop12h 40mIcelandair
Deal found 20/2£421
Sun 24/315:35SEA - LHR
1 stop12h 15mIcelandair
Wed 3/421:25LHR - SEA
1 stop28h 15mIcelandair
Deal found 21/2£458
Sun 24/315:35SEA - LHR
1 stop20h 55mIcelandair
Thu 4/421:25LHR - SEA
1 stop28h 45mIcelandair
Deal found 21/2£460
Tue 19/315:35SEA - LHR
1 stop12h 15mIcelandair
Wed 1/513:05LHR - SEA
1 stop12h 35mIcelandair
Deal found 21/2£462
Sun 24/315:35SEA - LHR
1 stop12h 15mIcelandair
Wed 3/421:25LHR - SEA
1 stop28h 15mIcelandair
Deal found 20/2£470
Tue 19/315:35SEA - LHR
1 stop20h 55mIcelandair
Thu 2/513:10LHR - SEA
1 stop12h 30mIcelandair
Deal found 21/2£471
Sun 24/315:35SEA - LGW
1 stop12h 20mIcelandair
Fri 19/413:00LGW - SEA
1 stop12h 40mIcelandair
Deal found 20/2£474
Sun 24/315:35SEA - LHR
1 stop12h 15mIcelandair
Thu 18/413:10LHR - SEA
1 stop12h 30mIcelandair
Deal found 20/2£475
Sun 24/315:35SEA - LHR
1 stop20h 55mIcelandair
Sun 31/321:25LHR - SEA
1 stop28h 15mIcelandair
Deal found 21/2£477

Washington to London 2024 flight deals

Discover exclusive flight deals for travel between Washington and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 919,059 searches. Data last updated 22 February 2024.
The lowest fares we've come across on flights travelling from Washington to London in February and March 2024. Check back soon for alternative fares.
Tue 15/1015:50SEA - LGW
1 stop11h 55mIcelandair
Tue 26/1112:05LGW - SEA
1 stop12h 50mIcelandair
Deal found 20/2£374
Tue 26/315:35SEA - LGW
1 stop12h 20mIcelandair
Tue 16/413:00LGW - SEA
1 stop12h 40mIcelandair
Deal found 20/2£421
Mon 8/415:50SEA - LGW
1 stop11h 55mIcelandair
Wed 17/413:00LGW - SEA
1 stop12h 40mIcelandair
Deal found 21/2£455
Mon 8/415:50SEA - LGW
1 stop11h 55mIcelandair
Tue 30/413:00LGW - SEA
1 stop12h 40mIcelandair
Deal found 20/2£456
Sun 14/415:50SEA - LHR
1 stop12h 05mIcelandair
Thu 18/413:10LHR - SEA
1 stop12h 30mIcelandair
Deal found 20/2£456
Mon 8/415:50SEA - LHR
1 stop12h 05mIcelandair
Tue 30/413:05LHR - SEA
1 stop12h 35mIcelandair
Deal found 20/2£457
Wed 17/415:50SEA - LHR
1 stop20h 30mIcelandair
Wed 24/421:25LHR - SEA
1 stop28h 15mIcelandair
Deal found 20/2£458
Tue 23/415:50SEA - LGW
1 stop11h 55mIcelandair
Tue 14/513:00LGW - SEA
1 stop12h 40mIcelandair
Deal found 19/2£459
Wed 24/415:50SEA - LHR
1 stop20h 30mIcelandair
Mon 29/421:25LHR - SEA
1 stop28h 15mIcelandair
Deal found 21/2£459

Direct flights to London from Washington

Discover direct flight options from Washington to London. 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 919,059 searches. Data last updated 22 February 2024.
For a quicker trip, book one of these direct flights from Washington to London. If you're looking for other options for flights from Washington to London, make sure to update the search form at the top of page.
Tue 12/319:45SEA - LHR
Nonstop9h 20mBritish Airways
Thu 21/314:50LHR - SEA
Nonstop9h 55mBritish Airways
Deal found 19/2£519
Tue 26/314:35SEA - LHR
Nonstop9h 25mFinnair
Wed 10/409:50LHR - SEA
Nonstop9h 45mFinnair
Deal found 21/2£520
Sun 10/317:15SEA - LHR
Nonstop9h 25mVirgin Atlantic
Tue 26/312:25LHR - SEA
Nonstop9h 55mVirgin Atlantic
Deal found 20/2£524
Sun 10/317:15SEA - LHR
Nonstop9h 25mVirgin Atlantic
Tue 26/312:25LHR - SEA
Nonstop9h 55mVirgin Atlantic
Deal found 21/2£529
Tue 30/419:40SEA - LHR
Nonstop9h 20mBritish Airways
Wed 8/509:50LHR - SEA
Nonstop9h 45mBritish Airways
Deal found 21/2£531
Sun 10/317:15SEA - LHR
Nonstop9h 25mDelta
Tue 26/312:25LHR - SEA
Nonstop9h 55mDelta
Deal found 20/2£543
Wed 27/318:55SEA - LHR
Nonstop9h 45mDelta
Wed 10/415:55LHR - SEA
Nonstop10h 20mDelta
Deal found 21/2£543
Tue 19/314:35SEA - LHR
Nonstop9h 25mBritish Airways
Tue 26/309:25LHR - SEA
Nonstop10h 00mBritish Airways
Deal found 20/2£552
Mon 25/319:45SEA - LHR
Nonstop9h 20mBritish Airways
Wed 10/409:50LHR - SEA
Nonstop9h 45mBritish Airways
Deal found 21/2£553

Washington to London flights leaving soon

Find last-minute flight options from Washington to London 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 919,059 searches. Data last updated 22 February 2024.
Users seeking a last-minute flight from Washington to London should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Thu 29/220:05SEA - LHR
1 stop16h 55mAer Lingus
Wed 10/412:00LHR - SEA
1 stop13h 01mAer Lingus
Deal found 20/2£516
Thu 29/220:05SEA - LHR
1 stop16h 55mAer Lingus
Thu 7/307:50LHR - SEA
1 stop18h 25mAer Lingus
Deal found 19/2£545
Wed 28/214:35SEA - LHR
1 stop12h 15mIcelandair
Wed 6/320:40LHR - SEA
1 stop28h 20mIcelandair
Deal found 19/2£559
Mon 26/218:50SEA - LGW
1 stop30h 40mTurkish Airlines
Tue 5/317:00LGW - SEA
1 stop31h 55mTurkish Airlines
Deal found 21/2£578
Wed 28/218:40SEA - LGW
1 stop34h 15mTurkish Airlines
Mon 11/317:00LGW - SEA
1 stop31h 55mTurkish Airlines
Deal found 20/2£590
Thu 29/214:35SEA - LHR
1 stop20h 55mIcelandair
Wed 6/320:40LHR - SEA
1 stop28h 20mIcelandair
Deal found 19/2£599
Thu 29/218:50SEA - LGW
1 stop30h 40mTurkish Airlines
Tue 12/317:00LGW - SEA
1 stop31h 55mTurkish Airlines
Deal found 20/2£602
Thu 29/218:50SEA - LGW
1 stop30h 40mTurkish Airlines
Wed 10/417:20LGW - SEA
1 stop31h 25mTurkish Airlines
Deal found 20/2£604
Wed 28/215:20SEA - LHR
1 stop12h 30mLufthansa
Wed 6/306:30LHR - SEA
2 stops21h 44mLufthansa
Deal found 19/2£607

One-way flights to London from Washington

Search for one-way flight options from Washington to London. 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 919,059 searches. Data last updated 22 February 2024.
Users travelling one-way from Washington to London can select one of these great deals. For those needing a return trip from Washington, there is a search form available above.
Tue 26/322:12SEA - LGW
2 stops28h 48mMultiple Airlines
Deal found 20/2£183
Tue 26/322:12SEA - LGW
2 stops28h 48mMultiple Airlines
Deal found 21/2£184
Sun 24/316:15SEA - LGW
2 stops34h 45mMultiple Airlines
Deal found 21/2£194
Tue 19/321:17SEA - LGW
3 stops29h 43mMultiple Airlines
Deal found 21/2£197
Sat 13/421:15SEA - LGW
1 stop29h 45mMultiple Airlines
Deal found 20/2£199
Tue 26/322:12SEA - LGW
3 stops28h 48mMultiple Airlines
Deal found 20/2£200
Mon 11/319:28SEA - LGW
2 stops31h 32mMultiple Airlines
Deal found 21/2£208
Wed 24/417:58SEA - LGW
3 stops28h 22mMultiple Airlines
Deal found 20/2£211
Mon 18/321:55SEA - LGW
3 stops29h 05mMultiple Airlines
Deal found 21/2£214

Find flights from Washington to London within your budget

Customise your flight search to find flights from Washington to London 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 919,059 searches. Data last updated 22 February 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£421 - £522

Route

Depart

Return

Price

Seattle/Tacoma IntlLondon Gatwick

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 26/3

1 stop12h 20m

London Gatwick

Tue 16/4

1 stop12h 40m

£421

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 31/3

1 stop19h 25m

London Heathrow

Fri 12/4

1 stop13h 55m

£490

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 19/3

1 stop13h 55m

London Heathrow

Thu 2/5

2 stops15h 57m

£505

SpokaneLondon Heathrow

GEG - LHR

GEGLHR

Spokane

Fri 19/4

1 stop11h 58m

London Heathrow

Sun 21/4

2 stops21h 34m

£508

Seattle/Tacoma IntlLondon Gatwick

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 19/3

2 stops18h 55m

London Gatwick

Tue 26/3

2 stops32h 22m

£514

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 27/3

Nonstop9h 25m

London Heathrow

Wed 10/4

1 stop14h 45m

£516

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 10/3

1 stop14h 50m

London Heathrow

Thu 21/3

1 stop13h 35m

£516

Seattle/Tacoma IntlLondon Gatwick

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 18/3

1 stop14h 40m

London Gatwick

Mon 25/3

1 stop17h 40m

£518

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 19/3

1 stop20h 30m

London Heathrow

Tue 26/3

Nonstop10h 25m

£522

Flights are sorted by cheapest first

Deals found on 20/2

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 22 February 2024.
Peruse reviews from past customers who have flown with Delta, Virgin Atlantic and Air Canada from Washington to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
9,274 reviews

Overall

8.1

Entertainment

7.4

Crew

8.6

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

8.1
Very Good
9,274 reviews
8.1
Very Good
9,274 reviews

Overall

8.1

Entertainment

7.4

Crew

8.6

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

8.1
Very Good
11,936 reviews
8.1
Very Good
9,274 reviews

Overall

8.1

Entertainment

7.4

Crew

8.6

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

7.9
Good
2,268 reviews
8.1
Very Good
9,274 reviews

Overall

8.1

Entertainment

7.4

Crew

8.6

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

7.8
Good
1,779 reviews
8.1
Very Good
9,274 reviews

Overall

8.1

Entertainment

7.4

Crew

8.6

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

7.7
Good
5,291 reviews
8.1
Very Good
9,274 reviews

Overall

8.1

Entertainment

7.4

Crew

8.6

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10