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British Airways flights from London to Seattle (LON - SEA)

LON — SEA
5 Mar — 12 Mar1
1 adult
Tue 5/3
Tue 12/3

Cheapflights users flying from London to Seattle on British Airways typically fly into Seattle/Tacoma Intl and depart from London Heathrow. Select your dates above for pricing.

British Airways flights from London to Seattle in 2024

Find detailed information about British Airways flights from London to Seattle. Explore the options provided by British Airways to plan your journey from London to Seattle. Data last updated 1 March 2024.

Popular in

July

Cheapest in

February

Average price (all airlines)

£444

One-way from

£575

Return from

£481
Highest demand for flights from London to Seattle/Tacoma Intl; 15% potential price increase.
Best time to find cheap flights from London to Seattle/Tacoma Intl; 2% potential price drop.
Average price for all London to Seattle/Tacoma Intl flights (one-way and round-trip).
Cheapest one-way British Airways flight from London to Seattle/Tacoma Intl
Cheapest return British Airways flight from London to Seattle/Tacoma Intl

How do most travelers feel about British Airways?

When planning your LON-SEA trip, keep in mind that British Airways is typically rated 8.0/10. This rating comes from 11,818 reviews by Cheapflights users who have traveled with British Airways.

Cheapest British Airways flights from London to Seattle

Discover the cheapest flight options specifically offered by British Airways for travel from London to Seattle. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 936,534 searches. The data was last updated on 1 March 2024.
Tue 12/314:50LHR - SEA
Nonstop9h 55mBritish Airways
Tue 19/319:45SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 29/2£481
Thu 14/309:25LHR - SEA
Nonstop10h 00mBritish Airways
Tue 26/314:35SEA - LHR
Nonstop9h 25mBritish Airways
Deal found 29/2£508
Thu 7/314:50LHR - SEA
Nonstop9h 55mBritish Airways
Tue 12/319:45SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 29/2£511

Direct flights from London to Seattle on British Airways

Discover the cheapest flight options specifically offered by British Airways for travel from London to Seattle. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days Cheapflights users made total of 936,534 searches. The data was last updated on 1 March 2024.
Wed 10/409:50LHR - SEA
Nonstop9h 45mBritish Airways
Tue 16/413:30SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 29/2£473
Tue 12/314:50LHR - SEA
Nonstop9h 55mBritish Airways
Tue 19/319:45SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 29/2£481
Thu 14/309:25LHR - SEA
Nonstop10h 00mBritish Airways
Tue 26/314:35SEA - LHR
Nonstop9h 25mBritish Airways
Deal found 29/2£508

Last minute deals on Cheapflights

Explore last-minute flight deals on British Airways for various destinations, including London to Seattle. Discover attractive deals on flights departing soon. Keep an eye on the latest last-minute deals to find great opportunities for spontaneous travel. Please note that prices are subject to change and availability may vary. Data last updated 1 March 2024 and based on user searches. In the last 7 days Cheapflights users made total of 936,534 searches.
Thu 7/314:50LHR - SEA
Nonstop9h 55mBritish Airways
Tue 12/319:45SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 29/2£511
Thu 7/314:50LHR - SEA
Nonstop9h 55mBritish Airways
Mon 11/319:45SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 29/2£514
Sat 9/309:25LHR - SEA
Nonstop10h 00mBritish Airways
Thu 14/300:59SEA - LHR
1 stop23h 21mBritish Airways
Deal found 29/2£579

One-way British Airways flights to Seattle from London

Search for direct flight options from London to Seattle specifically provided by British Airways. Find affordable direct fares from British Airways and compare prices with other airlines. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 936,534 searches. The data was last updated on 1 March 2024.
Tue 19/309:25LHR - SEA
Nonstop10h 00mBritish Airways
Deal found 29/2£575
Mon 8/416:00LHR - SEA
Nonstop9h 45mBritish Airways
Deal found 29/2£576
Mon 8/409:50LHR - SEA
Nonstop9h 45mBritish Airways
Deal found 27/2£589

Average price of British Airways flights from London to Seattle

Plan your British Airways flight from London to Seattle by taking into account the cheapest months to travel. The average price of a one-way British Airways flight from London to Seattle is currently £580 while a return flight costs £487. Price data was last updated on 25 February 2024.

Currently, the most affordable month to book a British Airways flight from London to Seattle in December, with an average price of £570. Conversely, traveling with British Airways from London to Seattle in July will be the most expensive, with an average cost of £780. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

January

£481

February

£470

March

£490

April

£489

May

£511

June

£561

July

£617

August

£594

September

£543

October

£511

November

£466

December

£451

Temperature and rainfall in Seattle by month

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

SEA

Temperature

5 - 19 °C

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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Fly from London to Seattle on another airline
Consider alternative airlines that service the Seattle area. Flight routes are based on user searches made on Cheapflights and were last updated on 1 March 2024.

See what others are saying about British Airways

Read reviews and see what other travellers are saying about their experiences with British Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing British Airways for your next flight. Reviews last updated 1 March 2024.
British Airways
6.8
Okay
7,033 reviews
Overview

Comfort

6.8

Crew

7.7

Boarding

7.0

Food

6.4

Entertainment

6.6
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