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Cheap flights from Birmingham to Seattle from £352

BHX — SEA
9 Dec — 16 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 24/1206:00 -
1 stop15h 55m
Wed 6/115:25 -
1 stop21h 55m
Deal found 9/11£650
Thu 24/1220:45 -
1 stop23h 05m
Wed 6/123:10 -
2 stops25h 25m
Deal found 9/11£660
Thu 24/1220:45 -
1 stop23h 05m
Thu 31/1214:35 -
1 stop18h 15m
Deal found 8/11£664
Fri 4/1206:00 -
1 stop13h 50m
Mon 28/1214:35 -
1 stop14h 15m
Deal found 4/11£666
Thu 19/1120:45 -
1 stop23h 02m
Wed 2/1214:35 -
1 stop18h 15m
Deal found 5/11£667
Thu 24/1209:25 -
2 stops20h 29m
Wed 6/107:20 -
2 stops21h 30m
Deal found 9/11£673
Thu 24/1206:00 -
1 stop15h 55m
Fri 8/115:25 -
1 stop14h 10m
Deal found 5/11£674
Thu 24/1209:25 -
2 stops20h 29m
Thu 31/1207:15 -
2 stops18h 30m
Deal found 8/11£682
Thu 24/1206:00 -
1 stop13h 50m
Sat 9/116:05 -
1 stop13h 30m
Deal found 5/11£684

Find flight deals from Birmingham to Seattle

Round-trip from

£612

One-way from

£352

Popular in

August

Cheapest in

April

Average price

£710
23/2-2/3
  • 23/2-2/3
  • 6 total stops
  • 52h 50m total
  • Birmingham to Seattle
Search Deals
11/1-31/12
  • 11/1-31/12
  • 2 total stops
  • 17h 05m total
  • Birmingham to Seattle
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£95 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

Mon 11/1

07:55-17:00

2 stops17h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£352

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Sat 16/1

15:40-17:00

3 stops33h 20m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£378

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Tue 30/3

20:10-19:23

2 stops31h 13m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£392

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 11/1

06:00-11:50

1 stop13h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£463
Fastest return journey

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Wed 24/3

06:00-12:35

1 stop13h 35m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£463

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Sun 10/1

06:00-11:50

1 stop13h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£468

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Fri 15/1

06:00-11:50

1 stop13h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£468

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Thu 14/1

06:00-11:50

1 stop13h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£468

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 29/3

07:15-20:40

3 stops21h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£490

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Thu 14/1

11:20-00:43

2 stops21h 23m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£519

Flights are sorted by cheapest return flights first.

Deals found on 8/11

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
1,883 reviews
Check prices

Entertainment

7.0

Overall

7.3

Comfort

7.2

Boarding

7.5

Crew

8.1

Food

6.7

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
1,883 reviews
Aer Lingus
7.3
Good
1,883 reviews
Check prices

Entertainment

7.0

Overall

7.3

Comfort

7.2

Boarding

7.5

Crew

8.1

Food

6.7

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
8,292 reviews
Aer Lingus
7.3
Good
1,883 reviews
Check prices

Entertainment

7.0

Overall

7.3

Comfort

7.2

Boarding

7.5

Crew

8.1

Food

6.7

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
8,286 reviews
Aer Lingus
7.3
Good
1,883 reviews
Check prices

Entertainment

7.0

Overall

7.3

Comfort

7.2

Boarding

7.5

Crew

8.1

Food

6.7

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 13h 50m. KLM provides one of the quickest options available for as low as £666. 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 (£392), and Aer Lingus (£520) offers the cheapest pricing from Birmingham to Seattle. Users have found that British Airways is 41% 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£390FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£392Average£404FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£520Average£738FlexibilityNo 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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