Cheap flights from Seattle (SEA) to London (LON) from $222

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 5/1. 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
Mar 2 — Mar 91

The best prices from Seattle/Tacoma Intl to London are usually found in January or February, booked 58 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to London

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to London (LON). 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 February 26, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$642

One-way from

$274
High demand for flights, 24% potential price rise
Best time to find cheap flights, 22% potential price drop
From Seattle/Tacoma Intl to London (LON)
One-way flight from Seattle/Tacoma Intl to London (LON)

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

Friday flights are found to be more expensive to fly from Seattle to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 59 days in advance, which can save you up to 39% on flights from Seattle to London compared to booking the week you need them. Waiting 59 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $866. For sooner than that we have options available in the next 3 days from $1,144.

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

January is one of the best times of the year to fly to London from Seattle. Prices for January average $860 per person but you can even find prices for as low as $462. The most expensive prices can be found in the month of June. Opting for a January flight can save you 32% on your journey compared to booking in June

When is the cheapest time to fly from Seattle to London (SEA - LON)?

One of the essential ways to save on airfare from Seattle to London is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 13% on airfare.

Cheap Lufthansa flights from Seattle to London

Explore cheap flight options specifically provided by Lufthansa for the route between Seattle 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 3,409,476 searches. Data last updated February 26, 2024.
Peruse some of the lowest-priced Lufthansa flights we've found from Seattle to London. Deals update often to give you more flight options matching your criteria
Tue 4/303:20 pmSEA - LHR
1 stop14h 00mLufthansa
Wed 5/86:30 amLHR - SEA
2 stops15h 57mLufthansa
Deal found 2/26$631
Wed 5/110:40 amSEA - LHR
1 stop18h 40mLufthansa
Thu 5/162:10 pmLHR - SEA
1 stop32h 17mLufthansa
Deal found 2/24$634
Tue 4/303:20 pmSEA - LHR
1 stop14h 00mLufthansa
Thu 5/96:30 amLHR - SEA
1 stop13h 55mLufthansa
Deal found 2/26$642
Tue 3/53:20 pmSEA - LHR
1 stop12h 30mLufthansa
Wed 3/206:30 amLHR - SEA
1 stop13h 20mLufthansa
Deal found 2/26$755
Tue 3/59:55 amSEA - LHR
2 stops16h 15mLufthansa
Tue 3/261:30 pmLHR - SEA
2 stops36h 15mLufthansa
Deal found 2/26$772
Tue 3/51:50 pmSEA - LGW
1 stop19h 15mLufthansa
Tue 3/195:50 pmLGW - SEA
1 stop26h 00mLufthansa
Deal found 2/25$786
Tue 3/51:50 pmSEA - LGW
1 stop12h 45mLufthansa
Tue 3/265:50 pmLGW - SEA
1 stop26h 00mLufthansa
Deal found 2/26$787
Sun 3/33:20 pmSEA - LHR
2 stops31h 50mLufthansa
Wed 3/136:30 amLHR - SEA
1 stop13h 20mLufthansa
Deal found 2/26$795
Sun 3/33:20 pmSEA - LHR
2 stops31h 50mLufthansa
Wed 3/136:30 amLHR - SEA
2 stops19h 15mLufthansa
Deal found 2/26$805
  • If you’re traveling from Seattle to London, one of the more common airlines traveling that route is Lufthansa. Seattle to London flights are typically 62% more expensive than other airlines traveling the same route. Flights from Lufthansa typically cost $1,022.11 RT. The cheapest Lufthansa flight found for this route was $644. When traveling from Seattle to London on Lufthansa, the most popular airport to depart from is Seattle/Tacoma Intl Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Seattle to London, Lufthansa flights are 7% more popular than any other airline flying that same route.

Cheap Icelandair flights from Seattle to London

Explore cheap flight options specifically provided by Icelandair for the route between Seattle 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 3,409,476 searches. Data last updated February 26, 2024.
Some of the lowest-priced Icelandair flights we've found at this time heading from Seattle to London. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 4/233:50 pmSEA - LGW
1 stop11h 55mIcelandair
Tue 4/301:00 pmLGW - SEA
1 stop12h 40mIcelandair
Deal found 2/25$575
Sun 4/143:50 pmSEA - LHR
1 stop12h 05mIcelandair
Thu 4/181:10 pmLHR - SEA
1 stop12h 30mIcelandair
Deal found 2/25$577
Sun 4/143:50 pmSEA - LHR
1 stop20h 30mIcelandair
Sun 4/219:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/25$578
Sun 4/213:50 pmSEA - LHR
1 stop12h 05mIcelandair
Sun 5/121:05 pmLHR - SEA
1 stop12h 35mIcelandair
Deal found 2/25$584
Tue 4/233:50 pmSEA - LHR
1 stop12h 05mIcelandair
Thu 5/29:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/25$585
Sun 3/243:35 pmSEA - LHR
1 stop12h 15mIcelandair
Tue 4/29:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/24$586
Mon 5/63:50 pmSEA - LGW
1 stop11h 55mIcelandair
Sun 9/81:00 pmLGW - SEA
1 stop12h 40mIcelandair
Deal found 2/26$588
Sun 3/243:35 pmSEA - LHR
1 stop20h 55mIcelandair
Wed 4/39:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/24$589
Sun 5/126:55 pmSEA - LHR
1 stop17h 25mIcelandair
Wed 5/291:05 pmLHR - SEA
1 stop12h 35mIcelandair
Deal found 2/25$590
  • One of the most popular airlines traveling from Seattle to London is Icelandair. Seattle to London flights are typically 49% cheaper than other airlines traveling the same route. Flights from Icelandair typically cost $1,182.80 RT. The cheapest Icelandair flight found for this route was $816. The most popular departure airport in Seattle when flying to London is Seattle/Tacoma Intl Airport. The most popular airport to fly into when visiting London is London Heathrow Airport. When flying from Seattle to London, Icelandair flights are 7% more popular than any other airline flying that same route.

Cheap Seattle to London flights in February & March 2024

Find cheap flight options from Seattle 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 3,409,476 searches. Prices were last updated on February 26, 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 3/193:35 pmSEA - LHR
1 stop20h 55mIcelandair
Wed 5/11:05 pmLHR - SEA
1 stop12h 35mIcelandair
Deal found 2/25$584
Tue 3/193:35 pmSEA - LHR
1 stop12h 15mIcelandair
Thu 5/29:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/25$585
Sun 3/243:35 pmSEA - LHR
1 stop12h 15mIcelandair
Tue 4/29:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/24$586
Sun 3/243:35 pmSEA - LHR
1 stop20h 55mIcelandair
Wed 4/39:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/24$589
Sun 3/243:35 pmSEA - LHR
1 stop12h 15mIcelandair
Wed 4/39:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/25$593
Tue 3/193:35 pmSEA - LHR
1 stop12h 15mIcelandair
Thu 5/29:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/26$615
Wed 3/133:35 pmSEA - LHR
1 stop20h 55mIcelandair
Wed 3/2012:15 pmLHR - SEA
1 stop12h 45mIcelandair
Deal found 2/25$624
Tue 3/197:45 pmSEA - LHR
Nonstop9h 20mAmerican Airlines
Wed 5/19:50 amLHR - SEA
Nonstop9h 45mAmerican Airlines
Deal found 2/25$627
Sun 3/101:38 pmSEA - LHR
1 stop15h 02mAmerican Airlines
Tue 3/199:25 amLHR - SEA
Nonstop10h 00mAmerican Airlines
Deal found 2/25$629

Seattle to London 2024 flight deals

Discover exclusive flight deals for travel between Seattle and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,409,476 searches. Data last updated February 26, 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 4/233:50 pmSEA - LGW
1 stop11h 55mIcelandair
Tue 4/301:00 pmLGW - SEA
1 stop12h 40mIcelandair
Deal found 2/25$575
Sun 4/143:50 pmSEA - LHR
1 stop12h 05mIcelandair
Thu 4/181:10 pmLHR - SEA
1 stop12h 30mIcelandair
Deal found 2/25$577
Sun 4/143:50 pmSEA - LHR
1 stop20h 30mIcelandair
Sun 4/219:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/25$578
Sun 4/213:50 pmSEA - LHR
1 stop12h 05mIcelandair
Sun 5/121:05 pmLHR - SEA
1 stop12h 35mIcelandair
Deal found 2/25$584
Tue 4/233:50 pmSEA - LHR
1 stop12h 05mIcelandair
Thu 5/29:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/25$585
Sun 3/243:35 pmSEA - LHR
1 stop12h 15mIcelandair
Tue 4/29:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/24$586
Mon 5/63:50 pmSEA - LGW
1 stop11h 55mIcelandair
Sun 9/81:00 pmLGW - SEA
1 stop12h 40mIcelandair
Deal found 2/26$588
Thu 5/96:55 pmSEA - LGW
1 stop32h 50mIcelandair
Mon 5/131:00 pmLGW - SEA
1 stop12h 40mIcelandair
Deal found 2/25$589
Sun 3/243:35 pmSEA - LHR
1 stop20h 55mIcelandair
Wed 4/39:25 pmLHR - SEA
1 stop28h 15mIcelandair
Deal found 2/24$589

Non-stop flights to London from Seattle

Discover non-stop flight options from Seattle to London. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,409,476 searches. Data last updated February 26, 2024.
Consider booking one of these non-stop flights heading from Seattle to London. If you're looking for other options for flights from Seattle to London, make sure to update the search form at the top of page.
Sun 3/311:40 pmSEA - LHR
Nonstop9h 20mBritish Airways
Tue 4/169:50 amLHR - SEA
Nonstop9h 45mBritish Airways
Deal found 2/25$624
Tue 3/197:45 pmSEA - LHR
Nonstop9h 20mAmerican Airlines
Wed 5/19:50 amLHR - SEA
Nonstop9h 45mAmerican Airlines
Deal found 2/25$627
Sun 3/314:30 pmSEA - LHR
Nonstop9h 20mVirgin Atlantic
Tue 4/1612:45 pmLHR - SEA
Nonstop9h 55mVirgin Atlantic
Deal found 2/26$639
Sun 4/217:40 pmSEA - LHR
Nonstop9h 20mAmerican Airlines
Wed 5/89:50 amLHR - SEA
Nonstop9h 45mAmerican Airlines
Deal found 2/25$642
Tue 4/304:30 pmSEA - LHR
Nonstop9h 20mVirgin Atlantic
Wed 5/812:45 pmLHR - SEA
Nonstop9h 55mVirgin Atlantic
Deal found 2/25$649
Wed 3/135:15 pmSEA - LHR
Nonstop9h 25mDelta
Wed 3/2012:25 pmLHR - SEA
Nonstop9h 55mDelta
Deal found 2/26$656
Wed 4/174:30 pmSEA - LHR
Nonstop9h 20mDelta
Fri 5/312:45 pmLHR - SEA
Nonstop9h 55mDelta
Deal found 2/26$657
Wed 4/177:40 pmSEA - LHR
Nonstop9h 20mBritish Airways
Thu 5/29:45 amLHR - SEA
Nonstop9h 45mBritish Airways
Deal found 2/25$669
Wed 5/14:30 pmSEA - LHR
Nonstop9h 20mDelta
Wed 5/1512:45 pmLHR - SEA
Nonstop9h 55mDelta
Deal found 2/26$672

Seattle to London flights leaving soon

Find last-minute flight options from Seattle 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 3,409,476 searches. Data last updated February 26, 2024.
Have a look at some of the last-minute flights available departing from Seattle to London. Users should examine the flight details to ensure there are no surprises.
Tue 3/52:35 pmSEA - LHR
1 stop20h 55mIcelandair
Tue 3/198:40 pmLHR - SEA
1 stop28h 20mIcelandair
Deal found 2/25$707
Tue 3/53:20 pmSEA - LHR
1 stop12h 30mLufthansa
Wed 3/206:30 amLHR - SEA
1 stop13h 20mLufthansa
Deal found 2/26$755
Tue 3/55:50 amSEA - LHR
1 stop22h 00mUnited Airlines
Wed 3/201:25 pmLHR - SEA
2 stops29h 19mUnited Airlines
Deal found 2/26$758
Wed 3/66:40 pmSEA - LGW
1 stop30h 50mTurkish Airlines
Fri 3/151:45 pmLGW - SEA
1 stop35h 10mTurkish Airlines
Deal found 2/24$764
Tue 3/54:19 pmSEA - LHR
1 stop33h 21mMultiple Airlines
Tue 3/266:00 pmLHR - SEA
1 stop33h 43mMultiple Airlines
Deal found 2/26$769
Sun 3/33:20 pmSEA - LHR
1 stop12h 30mAir Canada
Wed 3/1311:10 amLHR - SEA
1 stop14h 16mAir Canada
Deal found 2/26$770
Mon 3/46:50 pmSEA - LGW
1 stop30h 40mTurkish Airlines
Thu 3/281:45 pmLGW - SEA
1 stop35h 10mTurkish Airlines
Deal found 2/25$771
Tue 3/59:55 amSEA - LHR
2 stops16h 15mLufthansa
Tue 3/261:30 pmLHR - SEA
2 stops36h 15mLufthansa
Deal found 2/26$772
Sat 3/26:40 pmSEA - LGW
1 stop30h 50mTurkish Airlines
Wed 3/201:45 pmLGW - SEA
1 stop35h 10mTurkish Airlines
Deal found 2/25$773

One-way flights to London from Seattle

Search for one-way flight options from Seattle 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 3,409,476 searches. Data last updated February 26, 2024.
Some of the best available deals we've found on one-way flights from Seattle to London. Those seeking round-trip flights from Seattle to London should utilize the search form at the the top of the page.
Wed 5/15:58 pmSEA - LGW
3 stops28h 22mMultiple Airlines
Deal found 2/25$222
Sun 5/267:00 amSEA - LHR
1 stop21h 05mWestJet
Deal found 2/25$223
Tue 4/239:35 pmSEA - LGW
3 stops48h 45mMultiple Airlines
Deal found 2/24$234
Sun 5/127:00 amSEA - LHR
1 stop21h 05mWestJet
Deal found 2/25$237
Sun 5/197:00 amSEA - LHR
1 stop21h 05mWestJet
Deal found 2/25$249
Tue 3/2610:12 pmSEA - LGW
3 stops49h 43mMultiple Airlines
Deal found 2/25$254
Tue 3/2610:12 pmSEA - LGW
2 stops28h 48mMultiple Airlines
Deal found 2/25$255
Thu 5/301:50 pmSEA - LHR
1 stop14h 15mWestJet
Deal found 2/25$262
Mon 3/258:45 pmSEA - LGW
3 stops30h 15mMultiple Airlines
Deal found 2/25$265

Find flights from Seattle to London within your budget

Customize your flight search to find flights from Seattle 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 3,409,476 searches. Data last updated February 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$575 - $650

Route

Depart

Return

Price

Seattle/Tacoma IntlLondon Gatwick

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 4/23

1 stop11h 55m

London Gatwick

Tue 4/30

1 stop12h 40m

$575

Seattle/Tacoma IntlLondon Gatwick

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 5/1

2 stops18h 35m

London Gatwick

Tue 5/21

2 stops20h 25m

$624

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 4/30

1 stop14h 00m

London Heathrow

Wed 5/8

2 stops15h 57m

$631

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sat 4/20

1 stop15h 16m

London Heathrow

Thu 5/2

Nonstop9h 45m

$632

Seattle/Tacoma IntlLondon Gatwick

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sun 4/21

1 stop14h 17m

London Gatwick

Thu 5/2

1 stop18h 24m

$635

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 5/1

1 stop16h 00m

London Heathrow

Thu 5/16

2 stops19h 01m

$637

Seattle/Tacoma IntlLondon Gatwick

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sat 4/20

2 stops34h 35m

London Gatwick

Thu 5/2

1 stop18h 24m

$640

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 4/30

1 stop14h 43m

London Heathrow

Thu 5/9

Nonstop9h 45m

$647

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sat 4/20

1 stop25h 11m

London Heathrow

Wed 5/8

1 stop35h 43m

$650

Flights are sorted by cheapest first

Deals found on 2/25

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to London. Price data was last updated on January 28, 2024.
Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Seattle to London?

Use this chart to determine the cheapest time to fly round-trip from Seattle to London. Price data was last updated on February 18, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to London flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to London by month

Plan your trip from Seattle to London by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to London is currently $245 while a round-trip flight costs $630. Price data was last updated on February 18, 2024.

Currently, November is the cheapest month in which you can book a flight from Seattle to London (average of $652). Flying from Seattle to London in June is currently the most expensive (average of $1,187). 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.

January

$675

February

$665

March

$710

April

$737

May

$769

June

$1,187

July

$1,017

August

$801

September

$751

October

$717

November

$652

December

$676

Temperature and rainfall in London by month

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

LON

Temperature

39.2 - 62.6 °F

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 February 26, 2024.
See what other customers who have flown with Lufthansa, Icelandair and American Airlines from Seattle to London have to say. 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
11,853 reviews

Comfort

7.9

Boarding

8.2

Entertainment

8.1

Overall

8.1

Crew

8.6

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,853 reviews
8.1
Very good
11,853 reviews

Comfort

7.9

Boarding

8.2

Entertainment

8.1

Overall

8.1

Crew

8.6

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.8
Good
1,764 reviews
8.1
Very good
11,853 reviews

Comfort

7.9

Boarding

8.2

Entertainment

8.1

Overall

8.1

Crew

8.6

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.8
Good
2,258 reviews
8.1
Very good
11,853 reviews

Comfort

7.9

Boarding

8.2

Entertainment

8.1

Overall

8.1

Crew

8.6

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.7
Good
1,377 reviews
8.1
Very good
11,853 reviews

Comfort

7.9

Boarding

8.2

Entertainment

8.1

Overall

8.1

Crew

8.6

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.7
Good
769 reviews
8.1
Very good
11,853 reviews

Comfort

7.9

Boarding

8.2

Entertainment

8.1

Overall

8.1

Crew

8.6

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

Related info for your journey

Find useful and relevant information for your journey from Seattle to London. 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?

If you book a flight to London 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 per day from 16 different airlines.

Can I find flights from Seattle to London for under $600 on Cheapflights?

Yes, there are multiple flights from Seattle to London for under $600. The cheapest flight booked recently is on Icelandair for just $575, but on average you can expect to pay $591.

Are there nonstop flights from Seattle to London for under $700 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to London under $700. A good price for a nonstop flight from Seattle to London is less than $680.

Are there last-minute flights available from Seattle to London for under $800?

There are currently 20+ open flights from Seattle to London within the next 7 days for less than $800.

What are the cheapest airlines flying from Seattle to London round-trip?

Cheapflights users have booked flights from Seattle to London round-trip from $575. Another airline that can offer you cheap pricing is American Airlines. Users have found that Icelandair is 33% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Seattle to London one-way?

One-way options have recently been found by users for as low as $223 on WestJet. Other airlines that offer cheap prices include Lufthansa from $289 and Icelandair from $301 one-way.

What are the most popular routes from Seattle to London?

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

What are the most reliable airlines from Seattle to London?

Consider KLM (81%), Air France (81%) or Delta (81%) when booking your flight. These represent the most reliable airlines when flying from Seattle to London.

What are the cheapest flights from Seattle to London?

Looking at all options, your cheapest flight can be booked for $455. While the most popular route (Seattle/Tacoma Intl - London Heathrow) can be booked for $375 on average our data indicates $2,417 when flying from Seattle to London.

What does SEA to LHR mean?

SEA stands for Seattle/Tacoma Intl Airport, while LHR stands for London Heathrow Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN) are other airports near this flight route and their unique identifiers/IATA codes.

Where are the most common layover locations when flying from Seattle to London?

What are some popular things to do or see while on a layover in Reykjavik?

Reykjavik travelers tend to visit Hallgrímskirkja, Harpa, and Perlan more than anywhere else. Hallgrímskirkja, Harpa, and Perlan are located about 23.2 mi, 23.3 mi, and 23.0 mi, respectively from Reykjavik Keflavik Intl. Travelers in need of a car in Reykjavik can rent one for about $60 per day.

Where are the least popular layover locations for Seattle to London flights?

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Fly from Seattle to London on these airlines
Choose from the following airlines for your flight from Seattle to London. Flights are based on user searches made on Cheapflights and were last updated on February 26, 2024.