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British Airways flights from London Heathrow Airport to Seattle (LHR - SEA)

LHR — SEA
10 May — 17 May1
1 adult
Fri 10/5
Fri 17/5

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 Heathrow to Seattle in 2024

Find detailed information about British Airways flights from Heathrow to Seattle. Explore the options provided by British Airways to plan your journey from Heathrow to Seattle. Data last updated 5 May 2024.

Popular in

July

Cheapest in

November

Average price (all airlines)

£571

One-way from

£563

Return from

£586
Highest demand for flights from London Heathrow to Seattle/Tacoma Intl; 16% potential price increase.
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Best time to find cheap flights from London Heathrow to Seattle/Tacoma Intl; 2% potential price drop.
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Average price for all London Heathrow to Seattle/Tacoma Intl flights (one-way and round-trip).
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Cheapest one-way British Airways flight from London Heathrow to Seattle/Tacoma Intl
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Cheapest return British Airways flight from London Heathrow to Seattle/Tacoma Intl
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  • Can I get a flight from London Heathrow Airport to Seattle on British Airways for under £800?

    London Heathrow Airport to Seattle flights on British Airways are currently available under £800. 3 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

  • How do most travelers feel about British Airways?

    The general consensus from 10,826 Cheapflights users is that British Airways is a 8.0/10. Select your travel dates above for updated prices on flights from London Heathrow Airport to Seattle (LHR-SEA).

Cheapest British Airways flights from Heathrow to Seattle

Discover the cheapest flight options specifically offered by British Airways for travel from Heathrow 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 878,137 searches. The data was last updated on 5 May 2024.
Fri 21/609:50LHR - SEA
Nonstop9h 45mBritish Airways
Sun 18/806:00SEA - LHR
1 stop20h 20mBritish Airways
Deal found 5/5£763
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Thu 27/612:30LHR - SEA
1 stop17h 59mBritish Airways
Thu 8/819:40SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 5/5£767
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Mon 13/509:50LHR - SEA
Nonstop9h 45mBritish Airways
Fri 24/519:40SEA - LHR
1 stop12h 15mBritish Airways
Deal found 5/5£792
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Direct flights from Heathrow to Seattle on British Airways

Discover the cheapest flight options specifically offered by British Airways for travel from Heathrow 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 878,137 searches. The data was last updated on 5 May 2024.
Wed 12/609:50LHR - SEA
Nonstop9h 45mBritish Airways
Tue 18/613:30SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 5/5£731
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Thu 8/816:00LHR - SEA
Nonstop9h 45mBritish Airways
Fri 16/813:30SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 5/5£880
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Tue 6/809:50LHR - SEA
Nonstop9h 45mBritish Airways
Wed 21/813:30SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 5/5£930
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Last minute deals on Cheapflights

Explore last-minute flight deals on British Airways for various destinations, including Heathrow 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 5 May 2024 and based on user searches. In the last 7 days Cheapflights users made total of 878,137 searches.
Fri 10/509:50LHR - SEA
Nonstop9h 45mBritish Airways
Tue 21/519:40SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 5/5£845
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Fri 10/516:00LHR - SEA
Nonstop9h 45mBritish Airways
Tue 14/513:30SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 5/5£846
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Sat 11/515:45LHR - SEA
Nonstop9h 45mBritish Airways
Tue 21/519:40SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 5/5£846
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One-way British Airways flights to Seattle from Heathrow

Search for direct flight options from Heathrow 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 878,137 searches. The data was last updated on 5 May 2024.
Fri 20/909:50LHR - SEA
Nonstop9h 45mBritish Airways
Deal found 5/5£563
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Mon 7/1009:50LHR - SEA
Nonstop9h 45mBritish Airways
Deal found 5/5£566
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Tue 15/1007:20LHR - SEA
2 stops22h 13mBritish Airways
Deal found 5/5£568
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Average price of British Airways flights from Heathrow to Seattle

Plan your British Airways flight from Heathrow to Seattle by taking into account the cheapest months to travel. The average price of a one-way British Airways flight from Heathrow to Seattle is currently £566 while a return flight costs £847. Price data was last updated on 28 April 2024.

Currently, the most affordable month to book a British Airways flight from London Heathrow Airport to Seattle in December, with an average price of £594. Conversely, traveling with British Airways from London Heathrow Airport to Seattle in July will be the most expensive, with an average cost of £802. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

January

£487

February

£479

March

£505

April

£519

May

£554

June

£610

July

£639

August

£608

September

£546

October

£524

November

£479

December

£473

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).

Browse thousands of different options on Cheapflights for your next trip

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Fly from Heathrow 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 5 May 2024.

Virgin Atlantic flights from London Heathrow to Seattle/Tacoma Intl
Finnair flights from London Heathrow to Seattle/Tacoma Intl

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 5 May 2024.
British Airways
6.8
Okay
6,874 reviews
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Overview

Comfort

6.8

Food

6.4

Crew

7.7

Entertainment

6.5

Boarding

7.0
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