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Cheap Business Class flights to Seattle

LHR — SEA
6 Dec — 13 Dec1
1 adult
1 adult, Business, 0 bags

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Cheap business class flights to Seattle in 2025

Find the latest flights to Seattle in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data were last updated on 6 November 2025.

Top Rated Airline

KLM

No. of Airlines

8

Arrival Airport

Seattle/Tacoma Intl Airport
Most popular airline to fly business class with to Seattle in the past 7 days
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Cheapest business class flights to Seattle
Explore the most affordable business class flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 6 November 2025.

Wed 22/415:40LGW - SEA
1 stop13h 05mIcelandair
Mon 4/519:00SEA - LGW
1 stop11h 40mIcelandair
Deal found 5/11£1,573
Wed 1/413:05MAN - SEA
1 stop15h 40mIcelandair
Wed 15/415:45SEA - MAN
1 stop11h 55mIcelandair
Deal found 5/11£1,599
Thu 2/413:05MAN - SEA
1 stop15h 40mIcelandair
Thu 16/419:00SEA - MAN
1 stop32h 40mIcelandair
Deal found 4/11£1,654
Thu 2/415:40LGW - SEA
1 stop13h 05mIcelandair
Thu 16/419:00SEA - LGW
1 stop11h 40mIcelandair
Deal found 4/11£1,695
Thu 2/413:05LHR - SEA
1 stop12h 45mIcelandair
Thu 16/419:00SEA - LHR
1 stop17h 20mIcelandair
Deal found 4/11£1,697
Tue 2/1220:35LHR - SEA
1 stop28h 25mIcelandair
Sun 7/1220:25SEA - LHR
2 stops30h 25mIcelandair
Deal found 5/11£1,703

Travel insights for business class flights from United Kingdom to Seattle

Get recent, data-driven insights about business class flights from United Kingdom to Seattle including ideal travel times, pricing trends, and more.

What is the cheapest month to book a Business Class flight from United Kingdom to Seattle?

Currently, November is the cheapest month in which you can book a Business Class flight from United Kingdom to Seattle (average of £1,544). Flying from United Kingdom to Seattle in February is currently the most expensive (average of £1,917). There are several factors that can impact the price of a flight, so comparing airlines, departure airports, and flight times can provide users with more options.

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).

Frequently asked questions about Seattle business class tickets

Find answers to common questions related to business class tickets for flights to Seattle. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on 6 November 2025.

  • How many premium cabins does Finnair have for flights to Seattle?

    Finnair currently offers a couple premium cabin classes on flights to Seattle: Prem Economy Class, Business Class and First Class. Still not enough? Try taking a look at other airlines or choosing a new departing point for more cabin options.

  • What is the cheapest month to book a Business Class flight from United Kingdom to Seattle?

    Currently, November is the cheapest month in which you can book a Business Class flight from United Kingdom to Seattle (average of £1,544). Flying from United Kingdom to Seattle in February is currently the most expensive (average of £1,917). There are several factors that can impact the price of a flight, so comparing airlines, departure airports, and flight times can provide users with more options.

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