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Cheap flights from Birmingham to Seattle from £419

BHX — SEA
26 Nov — 3 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

Sat 21/1106:45 -
2 stops18h 15m
Sat 28/1114:35 -
2 stops17h 05m
Deal found 24/10£646
Sat 21/1106:00 -
1 stop15h 50m
Sat 28/1116:05 -
1 stop13h 30m
Deal found 24/10£672
Sat 7/1106:15 -
1 stop13h 32m
Mon 23/1111:30 -
2 stops22h 10m
Deal found 24/10£684
Fri 6/1106:00 -
1 stop13h 47m
Tue 10/1111:30 -
2 stops22h 10m
Deal found 23/10£684
Fri 6/1106:00 -
2 stops18h 24m
Tue 10/1108:30 -
2 stops17h 15m
Deal found 23/10£688
Sun 8/1106:00 -
2 stops21h 05m
Mon 23/1111:30 -
2 stops22h 10m
Deal found 25/10£689
Sat 21/1109:25 -
2 stops21h 35m
Sat 28/1116:05 -
1 stop13h 30m
Deal found 24/10£691
Fri 25/1209:25 -
2 stops22h 28m
Wed 6/115:25 -
1 stop18h 15m
Deal found 25/10£718
Fri 25/1209:25 -
2 stops22h 28m
Thu 7/114:25 -
1 stop14h 25m
Deal found 25/10£722
Tue 8/1206:00 -
1 stop13h 50m
Tue 15/1206:00 -
2 stops18h 35m
Deal found 24/10£729
Wed 9/1206:00 -
1 stop13h 50m
Wed 16/1214:35 -
1 stop14h 15m
Deal found 25/10£734

Find flight deals from Birmingham to Seattle

Round-trip from

£646

One-way from

£419

Popular in

August

Cheapest in

April

Average price

£666
21/11-28/11
  • 21/11-28/11
  • 4 total stops
  • 35h 20m total
  • Birmingham to Seattle
Search Deals
8/11-31/12
  • 8/11-31/12
  • 2 total stops
  • 32h 55m total
  • Birmingham to Seattle
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£110 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 October 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

Sun 8/11

15:00-15:55

2 stops32h 55m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£419

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Fri 25/12

13:30-23:53

2 stops18h 23m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£465

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Sat 7/11

18:55-15:55

3 stops53h 00m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£501

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Sat 9/1

06:00-11:49

1 stop13h 49m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£525

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Tue 29/12

08:20-23:42

2 stops23h 22m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£539

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Fri 8/1

06:00-21:59

3 stops47h 59m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£562

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 28/12

08:20-23:42

2 stops23h 22m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£566

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 11/1

06:00-11:49

1 stop13h 49m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£589

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Sun 10/1

06:00-11:49

1 stop13h 49m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£589
Fastest return journey

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Sat 26/12

06:15-11:50

1 stop13h 35m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£657

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 16 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 £380). Flying from Birmingham to Seattle in August is currently the most expensive (average of £859). 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
1,864 reviews
Check prices

Boarding

7.5

Food

6.7

Comfort

7.2

Overall

7.3

Crew

8.1

Entertainment

7.1

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
1,864 reviews
Aer Lingus
7.3
Good
1,864 reviews
Check prices

Boarding

7.5

Food

6.7

Comfort

7.2

Overall

7.3

Crew

8.1

Entertainment

7.1

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
8,294 reviews
Aer Lingus
7.3
Good
1,864 reviews
Check prices

Boarding

7.5

Food

6.7

Comfort

7.2

Overall

7.3

Crew

8.1

Entertainment

7.1

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
8,275 reviews
Aer Lingus
7.3
Good
1,864 reviews
Check prices

Boarding

7.5

Food

6.7

Comfort

7.2

Overall

7.3

Crew

8.1

Entertainment

7.1

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 47m. Delta provides one of the quickest options available for as low as £684. 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, British Airways (£365), Lufthansa (£394), and Aer Lingus (£523) 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 £380). Flying from Birmingham to Seattle in August is currently the most expensive (average of £859). 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£365Average£392FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£394Average£407FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£523Average£741FlexibilityNo 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.

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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