Find flights
When to book
Airlines
FAQs

Cheap flights from Birmingham to Seattle from £336

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SEA
17 Aug — 24 Aug1
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 18 July 2026.

Sat 12/914:10
BHX
-
SEA
1 stop31h 35m
Scandinavian Airlines
Tue 22/915:55
SEA
-
BHX
1 stop18h 40m
Scandinavian Airlines
Deal found 16/7£564
Tue 1/908:10
BHX
-
SEA
1 stop17h 00m
Aer Lingus
Tue 8/919:10
SEA
-
BHX
1 stop12h 55m
Aer Lingus
Deal found 18/7£598
Sat 12/920:15
BHX
-
SEA
2 stops45h 25m
Multiple Airlines
Mon 21/919:10
SEA
-
BHX
1 stop28h 55m
Multiple Airlines
Deal found 16/7£613
Sat 12/920:15
BHX
-
SEA
2 stops45h 25m
Multiple Airlines
Tue 22/919:10
SEA
-
BHX
1 stop17h 35m
Multiple Airlines
Deal found 16/7£615
Sat 12/920:15
BHX
-
SEA
2 stops45h 25m
Multiple Airlines
Wed 23/919:10
SEA
-
BHX
1 stop28h 40m
Multiple Airlines
Deal found 16/7£618
Mon 24/808:10
BHX
-
SEA
1 stop17h 00m
Aer Lingus
Mon 31/819:10
SEA
-
BHX
1 stop12h 55m
Aer Lingus
Deal found 18/7£625
Sat 29/815:20
BHX
-
SEA
2 stops30h 25m
Multiple Airlines
Sat 5/915:55
SEA
-
BHX
3 stops21h 10m
Multiple Airlines
Deal found 15/7£630
Tue 1/909:20
BHX
-
SEA
1 stop15h 15m
Delta
Tue 8/907:15
SEA
-
BHX
2 stops17h 20m
Delta
Deal found 18/7£634
Wed 19/821:30
BHX
-
SEA
3 stops44h 10m
Multiple Airlines
Wed 26/815:40
SEA
-
BHX
3 stops35h 50m
Multiple Airlines
Deal found 15/7£640
Thu 24/919:15
BHX
-
SEA
1 stop26h 30m
Scandinavian Airlines
Mon 28/907:15
SEA
-
BHX
2 stops27h 20m
Scandinavian Airlines
Deal found 13/7£644
Tue 1/921:40
BHX
-
SEA
3 stops31h 20m
Multiple Airlines
Tue 8/915:40
SEA
-
BHX
2 stops21h 05m
Multiple Airlines
Deal found 18/7£644

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 18 July 2026.

Round-trip from

£561

One-way from

£336

Popular in

August

Cheapest in

April

Average price

£778
Scandinavian Airlines
  • Scandinavian Airlines
  • 3/9-19/9
  • 2 total stops
  • 40h 15m total
  • Birmingham to Seattle
Search Deals
23/8
  • 23/8
  • 3 total stops
  • 47h 47m total
  • Birmingham to Seattle
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£115 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 18 July 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 - SEA

BHXSEA

Birmingham

Tue 1/9

09:20-22:20

2 stops21h 00m

Seattle/Tacoma Intl

Tue 8/9

07:15-08:35

2 stops17h 20m

£638

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 19/8

21:30-09:40

3 stops44h 10m

Seattle/Tacoma Intl

Wed 26/8

15:40-11:30

3 stops35h 50m

£640

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 24/9

19:15-13:45

1 stop26h 30m

Seattle/Tacoma Intl

Mon 28/9

07:15-18:35

2 stops27h 20m

£644

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 2/9

19:15-23:11

2 stops35h 56m

Seattle/Tacoma Intl

Sun 6/9

15:55-18:35

1 stop18h 40m

£665

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 20/10

09:20-20:50

2 stops19h 30m

Seattle/Tacoma Intl

Tue 27/10

08:25-09:45

2 stops18h 20m

£696
Fastest return journey

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sat 12/12

06:00-13:50

1 stop15h 50m

Seattle/Tacoma Intl

Thu 7/1

16:05-13:35

1 stop13h 30m

£697

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 16/9

06:05-11:55

1 stop13h 50m

Seattle/Tacoma Intl

Mon 21/9

14:10-17:25

1 stop19h 15m

£738
Cheapest one-way

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 23/8

21:30-13:17

3 stops47h 47m

£336
Fastest single journey

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 27/8

12:20-17:10

1 stop12h 50m

£509

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 26/8

12:20-17:10

1 stop12h 50m

£509

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 17 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 £378). Flying from Birmingham to Seattle in August is currently the most expensive (average of £851). 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?

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 July 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
693 reviews
Check prices

Comfort

7.3

Boarding

7.7

Overall

7.5

Crew

8.1

Entertainment

7.5

Food

6.9

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
693 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Comfort

7.3

Boarding

7.7

Overall

7.5

Crew

8.1

Entertainment

7.5

Food

6.9

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
1,671 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Comfort

7.3

Boarding

7.7

Overall

7.5

Crew

8.1

Entertainment

7.5

Food

6.9

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
8,148 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Comfort

7.3

Boarding

7.7

Overall

7.5

Crew

8.1

Entertainment

7.5

Food

6.9

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
8,126 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Comfort

7.3

Boarding

7.7

Overall

7.5

Crew

8.1

Entertainment

7.5

Food

6.9

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. Delta provides one of the quickest options available for as low as £638. 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 (£269), British Airways (£361), and Lufthansa (£390) offers the cheapest pricing from Birmingham to Seattle. Users have found that Virgin Atlantic is 56% 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 £378). Flying from Birmingham to Seattle in August is currently the most expensive (average of £851). 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
Federal Way
SeaTac

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 18 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£269Average£635FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£361Average£388FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£390Average£420FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£528Average£759FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.