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Cheap Business Class flights to Seattle

LHR — SEA
4 Jan — 11 Jan1
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 5 December 2025.

Average Price

£2,078

Cheapest Price

£1,564

Top Rated Airline

KLM

No. of Airlines

8

Arrival Airport

Seattle/Tacoma Intl Airport
Average for return business class flights in December 2025
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The lowest price for a business class flight ticket to Seattle
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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 5 December 2025.

Tue 12/515:40LGW - SEA
1 stop13h 00mIcelandair
Thu 21/523:25SEA - LGW
1 stop31h 15mIcelandair
Deal found 3/12£1,651
Sun 5/413:05MAN - SEA
1 stop15h 40mIcelandair
Thu 16/419:00SEA - MAN
1 stop32h 40mIcelandair
Deal found 3/12£1,658
Thu 14/513:05LHR - SEA
1 stop12h 50mIcelandair
Thu 21/523:25SEA - LHR
1 stop12h 55mIcelandair
Deal found 3/12£1,677
Thu 7/515:40LGW - SEA
1 stop13h 05mIcelandair
Thu 21/523:30SEA - LGW
1 stop31h 10mIcelandair
Deal found 4/12£1,689
Thu 7/513:05LHR - SEA
1 stop15h 35mIcelandair
Thu 21/523:25SEA - LHR
1 stop12h 55mIcelandair
Deal found 4/12£1,690
Wed 1/413:05MAN - SEA
1 stop15h 35mIcelandair
Wed 15/419:00SEA - MAN
1 stop32h 40mIcelandair
Deal found 3/12£1,769

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 £1,509). Flying from United Kingdom to Seattle in February is currently the most expensive (average of £1,873). 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 5 December 2025.

  • What is the cheapest price for a Business Class ticket to Seattle?

    If you are flexible with your travel dates and origin, you might only have to pay £1,564 for a Business Class class flight to Seattle (lowest price found recently). Our data shows that the average price for a Business Class ticket to Seattle is about £2,078/traveller.

  • How much do Prem Economy Class flight tickets to Seattle cost?

    Want comfortable seats without paying Business Class prices? For around £1,146/ticket, you can experience comfort and some premium flight services with a Prem Economy Class flight to Seattle. Not to mention, Prem Economy Class cabin tickets are often 45% cheaper than Business Class - in case you need more motivation.

  • 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 £1,509). Flying from United Kingdom to Seattle in February is currently the most expensive (average of £1,873). 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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