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

LHR — SEA
31 Jul — 7 Aug1
1 adult
Wed 31/7
Wed 7/8

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

Finnair flights from Heathrow to Seattle in 2024

Find detailed information about Finnair flights from Heathrow to Seattle. Explore the options provided by Finnair to plan your journey from Heathrow to Seattle. Data last updated 26 July 2024.

One-way from

£561

Return from

£505

Popular in

July

Cheapest in

November

Average price (all airlines)

£753
Finnair
  • Finnair
  • 18/9
  • Nonstop
  • 9h 45m total
  • London to Seattle
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Finnair
  • Finnair
  • 10/12-17/12
  • Nonstop
  • 19h 20m total
  • London to Seattle
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Highest demand for flights from London Heathrow to Seattle/Tacoma Intl; 17% potential price increase.
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Best time to find cheap flights from London Heathrow to Seattle/Tacoma Intl; 3% 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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  • Can I get a flight from London Heathrow Airport to Seattle on Finnair for under £1,000?

    London Heathrow Airport to Seattle flights on Finnair are currently available under £1,000. 5 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

  • How do most travelers feel about Finnair?

    The general consensus from 9,630 Cheapflights users is that Finnair is a 8.0/10. Select your travel dates above for updated prices on flights from London Heathrow Airport to Seattle (LHR-SEA).

Cheapest Finnair flights from Heathrow to Seattle

Discover the cheapest flight options specifically offered by Finnair 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 1,000,913 searches. The data was last updated on 26 July 2024.
Wed 21/811:15LHR - SEA
1 stop37h 01mFinnair
Sun 24/1122:45SEA - LHR
2 stops15h 25mFinnair
Deal found 25/7£581
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Thu 22/810:30LHR - SEA
1 stop16h 53mFinnair
Sun 24/1122:20SEA - LHR
2 stops15h 50mFinnair
Deal found 25/7£585
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Sun 25/816:00LHR - SEA
Nonstop9h 45mFinnair
Mon 30/900:22SEA - LHR
1 stop23h 08mFinnair
Deal found 25/7£589
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Direct flights from Heathrow to Seattle on Finnair

Discover the cheapest flight options specifically offered by Finnair 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 1,000,913 searches. The data was last updated on 26 July 2024.
Tue 10/1215:00LHR - SEA
Nonstop9h 55mFinnair
Tue 17/1213:35SEA - LHR
Nonstop9h 25mFinnair
Deal found 25/7£505
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Thu 21/1115:00LHR - SEA
Nonstop9h 55mFinnair
Thu 28/1118:50SEA - LHR
Nonstop9h 25mFinnair
Deal found 25/7£534
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Tue 10/1215:00LHR - SEA
Nonstop9h 55mFinnair
Tue 7/113:35SEA - LHR
Nonstop9h 25mFinnair
Deal found 25/7£544
Pick Dates

Last minute deals on Cheapflights

Explore last-minute flight deals on Finnair 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 26 July 2024 and based on user searches. In the last 7 days Cheapflights users made total of 1,000,913 searches.
Fri 2/815:15LHR - SEA
2 stops34h 00mFinnair
Sat 28/900:22SEA - LHR
1 stop13h 48mFinnair
Deal found 25/7£1,161
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Fri 2/816:00LHR - SEA
Nonstop9h 45mFinnair
Sat 28/900:22SEA - LHR
1 stop13h 48mFinnair
Deal found 25/7£1,186
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Mon 5/812:15LHR - SEA
1 stop16h 31mFinnair
Sun 11/801:10SEA - LHR
2 stops21h 10mFinnair
Deal found 25/7£1,440
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One-way Finnair flights to Seattle from Heathrow

Search for direct flight options from Heathrow to Seattle specifically provided by Finnair. Find affordable direct fares from Finnair 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 1,000,913 searches. The data was last updated on 26 July 2024.
Wed 18/916:00LHR - SEA
Nonstop9h 45mFinnair
Deal found 25/7£561
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Mon 18/1115:00LHR - SEA
Nonstop9h 55mFinnair
Deal found 25/7£585
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Thu 9/115:00LHR - SEA
Nonstop9h 55mFinnair
Deal found 25/7£603
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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 26 July 2024.

Virgin Atlantic flights from London Heathrow to Seattle/Tacoma Intl
British Airways flights from London Heathrow to Seattle/Tacoma Intl

See what others are saying about Finnair

Read reviews and see what other travellers are saying about their experiences with Finnair. 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 Finnair for your next flight. Reviews last updated 26 July 2024.
Finnair
7.7
Good
1,332 reviews
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Overview

Boarding

7.8

Crew

8.2

Food

6.8

Comfort

7.5

Entertainment

7.0
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