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Cheap Business Class flights to Seattle

LHR — SEA
14 Mar — 21 Mar1
1 adult
1 adult, Business, 0 bags

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Cheap business class flights to Seattle in 2026

Find the latest flights to Seattle in 2026, 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 12 February 2026.

Average Price

£2,064

Cheapest Price

£1,895

Top Rated Airline

KLM

No. of Airlines

8

Arrival Airport

Seattle/Tacoma Intl Airport
Average for return business class flights in February 2026
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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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Airlines that offer business class options for this route
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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 12 February 2026.

Thu 12/320:35
LHR
-
SEA
2 stops31h 26m
Icelandair
Tue 24/315:35
SEA
-
LHR
1 stop12h 15m
Icelandair
Deal found 11/2£1,769
Thu 5/312:15
LHR
-
SEA
2 stops17h 45m
Multiple Airlines
Mon 16/311:40
SEA
-
LHR
2 stops16h 10m
Multiple Airlines
Deal found 8/2£1,779
Sat 11/421:25
LHR
-
SEA
2 stops49h 13m
Icelandair
Sat 18/409:31
SEA
-
LHR
2 stops18h 24m
Icelandair
Deal found 9/2£1,960
Wed 25/211:55
LGW
-
SEA
1 stop13h 05m
Icelandair
Tue 3/314:35
SEA
-
LGW
1 stop12h 20m
Icelandair
Deal found 11/2£1,994
Wed 1/413:05
MAN
-
SEA
2 stops17h 23m
Icelandair
Wed 15/419:00
SEA
-
MAN
1 stop32h 40m
Icelandair
Deal found 8/2£2,041
Tue 4/815:40
LGW
-
SEA
2 stops36h 56m
Icelandair
Tue 18/823:25
SEA
-
LGW
1 stop28h 20m
Icelandair
Deal found 10/2£2,107

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 £1,477). Flying from United Kingdom to Seattle in May is currently the most expensive (average of £1,874). 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 12 February 2026.

  • 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 £1,895 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 £2,064/traveller.

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

    Want comfortable seats without paying Business Class prices? For around £1,224/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 41% 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 £1,477). Flying from United Kingdom to Seattle in May is currently the most expensive (average of £1,874). 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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