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Cheap flights from Birmingham to Seattle from £294

BHX — SEA
4 Dec — 11 Dec1
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

Thu 17/1206:00 -
1 stop13h 50m
Thu 24/1216:10 -
1 stop21h 10m
Deal found 2/11£723
Tue 15/1208:20 -
2 stops33h 23m
Tue 22/1214:01 -
2 stops38h 54m
Deal found 31/10£761
Thu 17/1220:45 -
1 stop23h 05m
Thu 24/1216:10 -
1 stop21h 10m
Deal found 4/11£782
Thu 17/1211:20 -
2 stops20h 22m
Thu 31/1206:29 -
2 stops17h 21m
Deal found 1/11£806
Thu 17/1206:00 -
1 stop15h 50m
Thu 31/1216:10 -
1 stop13h 25m
Deal found 1/11£816
Thu 17/1206:00 -
1 stop15h 50m
Thu 31/1206:00 -
2 stops19h 45m
Deal found 1/11£821
Tue 15/1209:10 -
2 stops23h 37m
Tue 22/1223:59 -
2 stops26h 51m
Deal found 31/10£824
Thu 17/1208:20 -
2 stops21h 18m
Thu 24/1223:59 -
2 stops23h 51m
Deal found 2/11£826
Thu 17/1206:00 -
1 stop14h 00m
Thu 24/1213:50 -
1 stop14h 40m
Deal found 2/11£833

Find flight deals from Birmingham to Seattle

Round-trip from

£670

One-way from

£294

Popular in

August

Cheapest in

April

Average price

£565
KLM
  • KLM
  • 16/3-30/3
  • 2 total stops
  • 38h 00m total
  • Birmingham to Seattle
Search Deals
7/4-31/12
  • 7/4-31/12
  • 3 total stops
  • 50h 20m total
  • Birmingham to Seattle
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
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

Fri 13/11

06:00-17:00

3 stops43h 00m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£431

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Wed 23/12

20:45-11:50

1 stop23h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£455

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Fri 25/12

20:45-11:50

1 stop23h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£455

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Thu 18/3

20:45-12:35

1 stop22h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£465
Fastest return journey

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Sun 14/3

06:00-11:35

1 stop13h 35m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£465

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Fri 2/4

05:55-11:33

1 stop13h 38m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£469

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 15/3

06:00-23:34

3 stops24h 34m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£543

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Tue 16/3

06:00-12:35

1 stop13h 35m

Seattle/Tacoma Intl

Tue 30/3

13:30-13:40

2 stops16h 10m

£687

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Sun 14/3

10:40-12:35

1 stop32h 55m

Seattle/Tacoma Intl

Tue 30/3

13:30-17:50

1 stop20h 20m

£718

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Sun 14/3

13:30-12:35

1 stop30h 05m

Seattle/Tacoma Intl

Sat 27/3

17:05-12:40

1 stop12h 35m

£718

Flights are sorted by cheapest return flights first.

Deals found on 1/11

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

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 £377). Flying from Birmingham to Seattle in August is currently the most expensive (average of £854). 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.

Reviews of airlines servicing Seattle

Check out reviews from past customers who have flown with Aer Lingus,Lufthansa, andBritish Airways 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.
Aer Lingus
7.3
Good
1,879 reviews
Check prices

Overall

7.3

Boarding

7.5

Crew

8.1

Food

6.7

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Aer Lingus
7.3
Good
1,879 reviews
Aer Lingus
7.3
Good
1,879 reviews
Check prices

Overall

7.3

Boarding

7.5

Crew

8.1

Food

6.7

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Lufthansa
6.8
Okay
8,299 reviews
Aer Lingus
7.3
Good
1,879 reviews
Check prices

Overall

7.3

Boarding

7.5

Crew

8.1

Food

6.7

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
British Airways
6.7
Okay
8,282 reviews
Aer Lingus
7.3
Good
1,879 reviews
Check prices

Overall

7.3

Boarding

7.5

Crew

8.1

Food

6.7

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

  • How long is the flight from Birmingham to Seattle?

    A quick flight from Birmingham to Seattle can take about 32h 55m. Delta provides one of the quickest options available for as low as £718. 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, British Airways (£363), Lufthansa (£391), and Aer Lingus (£519) offers the cheapest pricing from Birmingham to Seattle. Users have found that British Airways is 40% 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 £377). Flying from Birmingham to Seattle in August is currently the most expensive (average of £854). 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

Top 3 airlines flying from Birmingham to Seattle

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£363Average£389FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£391Average£404FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£519Average£732FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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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.

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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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