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

LHR — SEA
18 Jun — 25 Jun1
1 adult
Tue 18/6
Tue 25/6

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 13 June 2024.

Popular in

July

Cheapest in

November

Average price (all airlines)

£601

One-way from

£570

Return from

£525
Highest demand for flights from London Heathrow to Seattle/Tacoma Intl; 16% potential price increase.
Best time to find cheap flights from London Heathrow to Seattle/Tacoma Intl; 3% potential price drop.
Average price for all London Heathrow to Seattle/Tacoma Intl flights (one-way and round-trip).
Cheapest one-way British Airways flight from London Heathrow to Seattle/Tacoma Intl
Cheapest return British Airways flight from London Heathrow to Seattle/Tacoma Intl
  • 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. 4 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 10,000 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 1,007,911 searches. The data was last updated on 13 June 2024.
Wed 10/708:40LHR - SEA
2 stops21h 18mBritish Airways
Wed 17/719:40SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 12/6£625
Fri 28/606:55LHR - SEA
2 stops23h 02mBritish Airways
Sun 30/622:52SEA - LHR
1 stop15h 18mBritish Airways
Deal found 13/6£689
Sun 14/707:20LHR - SEA
2 stops22h 38mBritish Airways
Mon 22/715:49SEA - LHR
1 stop14h 36mBritish Airways
Deal found 13/6£696

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 1,007,911 searches. The data was last updated on 13 June 2024.
Thu 17/1016:00LHR - SEA
Nonstop9h 45mBritish Airways
Thu 24/1013:30SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 13/6£542
Sun 29/909:45LHR - SEA
Nonstop9h 45mBritish Airways
Wed 9/1019:40SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 13/6£553
Thu 7/1114:50LHR - SEA
Nonstop9h 55mBritish Airways
Thu 14/1118:45SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 13/6£602

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 13 June 2024 and based on user searches. In the last 7 days Cheapflights users made total of 1,007,911 searches.
Thu 20/609:45LHR - SEA
Nonstop9h 45mBritish Airways
Fri 5/719:40SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 12/6£708
Thu 20/609:45LHR - SEA
Nonstop9h 45mBritish Airways
Thu 4/719:40SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 12/6£740
Thu 20/609:45LHR - SEA
Nonstop9h 45mBritish Airways
Mon 8/713:30SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 12/6£765

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 1,007,911 searches. The data was last updated on 13 June 2024.
Wed 4/1214:50LHR - SEA
Nonstop9h 55mBritish Airways
Deal found 12/6£570
Wed 4/1214:50LHR - SEA
Nonstop9h 55mBritish Airways
Deal found 13/6£571
Sun 17/1114:50LHR - SEA
Nonstop9h 55mBritish Airways
Deal found 12/6£600

Best time to book a flight from Heathrow to Seattle

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

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 13 June 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 13 June 2024.
British Airways
6.7
Okay
6,727 reviews
Overview

Boarding

7.0

Entertainment

6.5

Food

6.4

Comfort

6.8

Crew

7.7
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