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Finnair flights from London to Seattle (LON - SEA)

LON — SEA
4 Nov — 11 Nov1
1 adult

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 London to Seattle in 2024

Find detailed information about Finnair flights from London to Seattle. Explore the options provided by Finnair to plan your journey from London to Seattle. Data last updated 30 October 2024.

One-way from

£554

Return from

£498

Popular in

August

Cheapest in

January

Average price (all airlines)

£560
Finnair
  • Finnair
  • 20/1
  • Nonstop
  • 9h 55m total
  • London to Seattle
Finnair
  • Finnair
  • 12/11-16/11
  • 1 total stop
  • 29h 49m total
  • London to Seattle
Highest demand for flights from London to Seattle/Tacoma Intl; 17% potential price increase.
Best time to find cheap flights from London to Seattle/Tacoma Intl; 3% potential price drop.
Average price for all London to Seattle/Tacoma Intl flights (one-way and round-trip).
  • Can I get a flight from London to Seattle on Finnair for under £800?

    Cheapflights currently has 1 LON-SEA flights for under £800. Flights to Seattle will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

  • How do most travelers feel about Finnair?

    When planning your LON-SEA trip, keep in mind that Finnair is typically rated 8.0/10. This rating comes from 8,845 reviews by Cheapflights users who have traveled with Finnair.

Cheapest Finnair flights from London to Seattle

Discover the cheapest flight options specifically offered by Finnair 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 1,015,184 searches. The data was last updated on 30 October 2024.
Tue 12/1110:05LHR - SEA
1 stop20h 24mFinnair
Sat 16/1113:45SEA - LHR
Nonstop9h 25mFinnair
Deal found 29/10£498

Direct flights from London to Seattle on Finnair

Discover the cheapest flight options specifically offered by Finnair 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 1,015,184 searches. The data was last updated on 30 October 2024.
Tue 10/1215:00LHR - SEA
Nonstop9h 55mFinnair
Tue 7/118:50SEA - LHR
Nonstop9h 25mFinnair
Deal found 29/10£565

Last minute deals on Cheapflights

Explore last-minute flight deals on Finnair 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 30 October 2024 and based on user searches. In the last 7 days Cheapflights users made total of 1,015,184 searches.
Sat 9/1109:25LHR - SEA
Nonstop9h 55mFinnair
Fri 29/1106:15SEA - LHR
1 stop21h 45mFinnair
Deal found 29/10£527

One-way Finnair flights to Seattle from London

Search for direct flight options from London 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 1,015,184 searches. The data was last updated on 30 October 2024.
Mon 20/115:00LHR - SEA
Nonstop9h 55mFinnair
Deal found 29/10£554

Travel insights for Finnair flights from London to Seattle

Get recent, data-driven insights about Finnair flights from London to Seattle including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London to Seattle with Finnair?

Use this chart to determine the optimal time to book a return flight from London to Seattle. Price data was last updated on 25 October 2024.

Booking with Finnair 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Seattle with Finnair?

Currently, the most affordable month to book a Finnair flight from London to Seattle in November, with an average price of £401. Conversely, traveling with Finnair from London to Seattle in August will be the most expensive, with an average cost of £567. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

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

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 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 30 October 2024.

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 30 October 2024.
Finnair
7.7
Good
1,318 reviews
Overview

Entertainment

6.9

Comfort

7.5

Crew

8.2

Boarding

7.7

Food

6.8
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