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Cheap Business Class flights to Seattle

LHR — SEA
24 Jun — 1 Jul1
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 25 May 2026.

Top Rated Airline

KLM

No. of Airlines

9

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 25 May 2026.

Mon 13/721:25
LHR
-
SEA
1 stop22h 20m
Icelandair
Thu 16/715:40
SEA
-
LHR
1 stop12h 15m
Icelandair
Deal found 21/5£1,767
Fri 7/821:25
LHR
-
SEA
1 stop31h 15m
Icelandair
Tue 11/823:25
SEA
-
LHR
1 stop12h 55m
Icelandair
Deal found 22/5£1,787
Thu 4/615:40
LGW
-
SEA
1 stop34h 15m
Icelandair
Tue 16/623:25
SEA
-
LGW
1 stop28h 20m
Icelandair
Deal found 22/5£1,837
Fri 28/813:05
MAN
-
SEA
2 stops17h 34m
Icelandair
Sat 12/923:25
SEA
-
MAN
1 stop28h 15m
Icelandair
Deal found 21/5£1,851
Wed 8/715:40
LGW
-
SEA
1 stop28h 05m
Icelandair
Sat 25/715:40
SEA
-
LGW
1 stop14h 55m
Icelandair
Deal found 23/5£1,866
Wed 8/713:05
LHR
-
SEA
1 stop30h 40m
Icelandair
Sat 25/715:40
SEA
-
LHR
1 stop12h 15m
Icelandair
Deal found 23/5£1,867

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.

Which month is the cheapest to fly Business Class from the United Kingdom to Seattle?

For Business Class flights, the cheapest month to fly this route is April. The most expensive months are January and March.

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 25 May 2026.

  • 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, April is the cheapest month in which you can book a Business Class flight from United Kingdom to Seattle (average of £1,855). Flying from United Kingdom to Seattle in January is currently the most expensive (average of £5,910). 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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