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Cheap flights from Birmingham to Seattle from £354

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SEA
15 Sep — 22 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Birmingham to Seattle

Enter your travel dates to find the best prices.

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 16 August 2026.

Fri 4/921:30 -
3 stops44h 10m
Sun 20/915:40 -
2 stops21h 20m
Deal found 15/8£584
Thu 24/919:15 -
1 stop26h 30m
Sat 10/1015:55 -
1 stop13h 45m
Deal found 15/8£590
Mon 28/908:10 -
1 stop17h 00m
Mon 5/1019:10 -
1 stop15h 00m
Deal found 14/8£607
Sun 27/912:20 -
1 stop12h 50m
Sun 4/1019:10 -
1 stop15h 00m
Deal found 13/8£608
Wed 30/905:55 -
1 stop18h 40m
Wed 7/1018:40 -
1 stop15h 10m
Deal found 16/8£622
Wed 9/905:55 -
1 stop18h 40m
Wed 23/913:50 -
1 stop24h 20m
Deal found 12/8£626
Wed 9/921:30 -
3 stops44h 10m
Tue 22/919:00 -
2 stops18h 00m
Deal found 15/8£629
Tue 29/919:15 -
2 stops36h 05m
Tue 6/1015:55 -
1 stop18h 40m
Deal found 15/8£629
Fri 4/919:15 -
1 stop26h 30m
Tue 15/915:55 -
1 stop18h 40m
Deal found 13/8£631
Mon 28/918:40 -
1 stop24h 35m
Mon 5/1011:35 -
2 stops18h 05m
Deal found 14/8£633

Find 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 16 August 2026.

Round-trip from

£584

One-way from

£354

Popular in

August

Cheapest in

April

Average price

£799
4/9-20/9
  • 4/9-20/9
  • 5 total stops
  • 65h 30m total
  • Birmingham to Seattle
Search Deals
29/9
  • 29/9
  • 3 total stops
  • 30h 50m total
  • Birmingham to Seattle
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£94 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 16 August 2026.
Use the filters below to find and compare flights from Birmingham to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Tue 29/9

05:55-16:35

1 stop18h 40m

Seattle/Tacoma Intl

Tue 6/10

13:30-13:40

1 stop16h 10m

£637

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 28/9

20:15-11:47

1 stop23h 32m

Seattle/Tacoma Intl

Mon 5/10

06:00-08:35

2 stops18h 35m

£643

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 28/9

09:20-23:00

2 stops21h 40m

Seattle/Tacoma Intl

Mon 5/10

07:15-12:40

2 stops21h 25m

£646
Fastest return journey

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Fri 25/9

05:55-11:47

1 stop13h 52m

Seattle/Tacoma Intl

Fri 2/10

18:40-17:50

1 stop15h 10m

£652

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Wed 9/9

05:55-16:35

1 stop18h 40m

Seattle/Tacoma Intl

Tue 22/9

11:11-13:40

2 stops18h 29m

£653

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Fri 4/9

05:55-18:45

2 stops20h 50m

Seattle/Tacoma Intl

Tue 15/9

09:40-13:40

2 stops20h 00m

£655

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Wed 7/10

19:15-22:49

2 stops35h 34m

Seattle/Tacoma Intl

Sun 11/10

15:55-18:35

1 stop18h 40m

£660

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Fri 4/9

05:55-16:37

2 stops18h 42m

Seattle/Tacoma Intl

Sun 20/9

07:15-08:35

2 stops17h 20m

£661
Cheapest one-way

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Fri 9/10

05:55-14:12

2 stops16h 17m

£473

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Fri 25/9

08:30-18:45

2 stops18h 15m

£480

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 19 resultsSorted by cheapest first
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

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

Currently, April is the cheapest month in which you can book a flight from Birmingham to Seattle (average of £375). Flying from Birmingham to Seattle in August is currently the most expensive (average of £799). 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.

How much does it cost for a return flight from Birmingham to Seattle?

Airfare is below average for this route at the moment.

Birmingham to Seattle flights typically cost between £719 and £935 in September.
The cheapest return price found within the last 5 days was £584 on Multiple Airlines (4 Sept–20 Sept).

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 16 August 2026.
Check out reviews from past customers who have flown with Virgin Atlantic,Aer Lingus, andLufthansa 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.
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
694 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Aer Lingus
7.3
Good
1,706 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,195 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,168 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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 21h 40m. Virgin Atlantic provides one of the quickest options available for as low as £646. The distance between Birmingham and Seattle is about 4695 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    According to our current data, Virgin Atlantic (£268), British Airways (£359), and Lufthansa (£388) offers the cheapest pricing from Birmingham to Seattle. Users have found that Virgin Atlantic is 55% 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, April is the cheapest month in which you can book a flight from Birmingham to Seattle (average of £375). Flying from Birmingham to Seattle in August is currently the most expensive (average of £799). 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
Federal Way
SeaTac

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Birmingham to Seattle

Discover the top 4 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 16 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£268Average£614FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£359Average£386FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£388Average£417FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£515Average£726FlexibilityNo 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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