Cheap flights from Birmingham to Seattle from £505

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SEA
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Birmingham to Seattle/Tacoma Intl are usually found in March or May, booked 79 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Birmingham to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHX) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 September 2025.

Round-trip from

£505

Popular in

July

Cheapest in

March

Average price

£593
Aer Lingus
  • Aer Lingus
  • 31/10-7/11
  • 2 total stops
  • 31h 15m total
  • Birmingham to Seattle
Highest demand for flights based on searches. 16% potential increase in price (£92 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Birmingham to Seattle

Cheapest flights from Birmingham to Seattle
Explore the most affordable flight options available from Birmingham to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Fri 31/1009:30BHX - SEA
1 stop16h 50mMultiple Airlines
Fri 7/1120:05SEA - BHX
1 stop14h 25mMultiple Airlines
Deal found 16/9£505
Sun 2/1120:45BHX - SEA
1 stop23h 00mVirgin Atlantic
Sun 9/1122:05SEA - BHX
2 stops38h 00mVirgin Atlantic
Deal found 17/9£548
Wed 1/1006:00BHX - SEA
1 stop18h 05mMultiple Airlines
Sat 18/1018:35SEA - BHX
1 stop19h 35mMultiple Airlines
Deal found 16/9£572
Sun 2/1120:45BHX - SEA
1 stop23h 00mMultiple Airlines
Sun 9/1114:05SEA - BHX
1 stop17h 15mMultiple Airlines
Deal found 17/9£573
Wed 1/1006:00BHX - SEA
1 stop13h 50mDelta
Sat 18/1009:29SEA - BHX
2 stops16h 21mDelta
Deal found 16/9£576
Fri 31/1006:15BHX - SEA
1 stop13h 30mDelta
Fri 7/1109:46SEA - BHX
2 stops21h 34mDelta
Deal found 16/9£602
Sat 1/1106:15BHX - SEA
1 stop13h 30mDelta
Sat 8/1106:00SEA - BHX
2 stops19h 30mDelta
Deal found 17/9£604

Cheapflights Fare Finder

 
Customise your flight search to find flights from Birmingham to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from Birmingham to Seattle that are best for you.

Fly from

Birmingham

Fly to

Seattle

Route

Depart

Return

Price

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 31/10

09:30-19:20

1 stop16h 50m

Seattle/Tacoma Intl

Fri 7/11

20:05-18:30

1 stop14h 25m

£505

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 2/11

20:45-11:45

1 stop23h 00m

Seattle/Tacoma Intl

Sun 9/11

22:05-20:05

2 stops38h 00m

£548

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 1/10

06:00-16:05

1 stop18h 05m

Seattle/Tacoma Intl

Sat 18/10

18:35-22:10

1 stop19h 35m

£572

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 2/11

17:40-11:45

1 stop26h 05m

Seattle/Tacoma Intl

Sun 9/11

14:05-15:20

1 stop17h 15m

£573

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 1/10

06:00-11:50

1 stop13h 50m

Seattle/Tacoma Intl

Sat 18/10

09:29-09:50

2 stops16h 21m

£576

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 15/10

12:20-17:50

1 stop13h 30m

£552

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 13/10

08:10-17:50

1 stop17h 40m

£597

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 14/10

09:10-17:50

1 stop16h 40m

£597

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sat 1/11

08:15-20:46

2 stops19h 31m

£607

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sat 1/11

19:10-19:20

1 stop31h 10m

£621

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 16 results
1
2

Best time to book a flight from Birmingham to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Birmingham with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Birmingham to Seattle

How far ahead should I book a flight from Birmingham to Seattle?

Use this chart to determine the optimal time to book a return flight from Birmingham to Seattle. Price data was last updated on 12 September 2025.

The best time to book flights from Birmingham to Seattle is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Birmingham to Seattle?

Currently, January is the cheapest month in which you can book a flight from Birmingham to Seattle (average of £622). Flying from Birmingham to Seattle in July is currently the most expensive (average of £946). 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.

What is the cheapest time of day to fly from BHX to SEA?

Find hourly flight availability from Birmingham to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

One of the essential ways to save on airfare from Birmingham to Seattle is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 12% on airfare.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 18 September 2025.
Check out reviews from past customers who have flown with KLM, Air France, andVirgin Atlantic from Birmingham to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Boarding

7.8

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

Find useful and relevant information for your journey from Birmingham to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Birmingham to Seattle?

    A quick flight from Birmingham to Seattle can take about 23h. Virgin Atlantic provides one of the quickest options available for as low as £548. The distance between Birmingham and Seattle is about 4695 mi.

  • What are the cheapest airlines flying from Birmingham to Seattle round-trip?

    According to our current data, Lufthansa (£467), KLM (£499), and Air France (£511) offers the cheapest pricing from Birmingham to Seattle. Users have found that Lufthansa is 29% cheaper than the other options available to this destination.

  • Can I find deals for flights from Birmingham to Seattle that include hotel bookings?

    Yes. In addition to deals on Birmingham to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Birmingham to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Birmingham to Seattle.

  • Can I find deals for business class flights from Birmingham to Seattle?

    Yes. Cheapflights offers flight deals from Birmingham to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Birmingham to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Birmingham to Seattle (average of £622). Flying from Birmingham to Seattle in July is currently the most expensive (average of £946). 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.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell
SeaTac

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Birmingham to Seattle

Discover the top 6 airlines that operate flights from Birmingham to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£467Average£579FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£499Average£607FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£511Average£653FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£513Average£615FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£549Average£639FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest£603Average£820FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Birmingham to Seattle?

Cheapflights helps you search for flights from Birmingham to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Birmingham to Seattle?

Cheapflights helps you find that perfect flight to Seattle from Birmingham by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Birmingham to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Birmingham shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Birmingham to Seattle become cheaper?

Yes! Start tracking prices for Birmingham to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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