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Cheap Business Class flights to Seattle

LHR — SEA
20 Jul — 27 Jul1
1 adult

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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 15 July 2025.

Average Price

£2,635

Cheapest Price

£1,860

Top Rated Airline

Finnair

No. of Airlines

17

Arrival Airport

Seattle/Tacoma Intl Airport
Average for return business class flights in July 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 15 July 2025.

Tue 18/1120:35LHR - SEA
1 stop28h 25mIcelandair
Tue 25/1114:35SEA - LHR
1 stop12h 15mIcelandair
Deal found 14/7£1,561
Sun 10/815:40LGW - SEA
1 stop13h 00mIcelandair
Wed 13/823:30SEA - LGW
1 stop31h 10mIcelandair
Deal found 14/7£1,585
Thu 7/807:05LHR - SEA
2 stops21h 35mMultiple Airlines
Mon 18/815:45SEA - LHR
1 stop20h 35mMultiple Airlines
Deal found 14/7£1,985
Tue 12/813:00LGW - SEA
2 stops29h 28mMultiple Airlines
Mon 18/807:55SEA - LGW
2 stops41h 55mMultiple Airlines
Deal found 14/7£2,236
Tue 18/1115:00LHR - SEA
Nonstop9h 55mAer Lingus
Tue 25/1118:50SEA - LHR
Nonstop9h 25mAer Lingus
Deal found 14/7£2,357
Tue 12/819:30LHR - SEA
1 stop26h 20mScandinavian Airlines
Mon 18/816:00SEA - LHR
1 stop18h 30mScandinavian Airlines
Deal found 14/7£2,428

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, January is the cheapest month in which you can book a Business Class flight from United Kingdom to Seattle (average of £1,133). Flying from United Kingdom to Seattle in July is currently the most expensive (average of £2,006). 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 15 July 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 £1,860 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 £2,635/traveller.

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

    Want comfortable seats without paying Business Class prices? For around £1,260/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 53% 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, January is the cheapest month in which you can book a Business Class flight from United Kingdom to Seattle (average of £1,133). Flying from United Kingdom to Seattle in July is currently the most expensive (average of £2,006). 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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