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Cheap flights from Birmingham to Seattle from £281

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SEA
17 Apr — 24 Apr1
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 March 2026.

Thu 30/408:50
BHX
-
SEA
1 stop16h 20m
Multiple Airlines
Thu 7/519:10
SEA
-
BHX
1 stop19h 30m
Multiple Airlines
Deal found 16/3£518
Wed 29/409:00
BHX
-
SEA
3 stops32h 38m
Multiple Airlines
Wed 6/519:00
SEA
-
BHX
3 stops19h 10m
Multiple Airlines
Deal found 15/3£532
Fri 1/508:30
BHX
-
SEA
1 stop16h 40m
Multiple Airlines
Fri 8/519:10
SEA
-
BHX
1 stop11h 25m
Multiple Airlines
Deal found 17/3£564
Tue 28/412:20
BHX
-
SEA
1 stop12h 50m
Aer Lingus
Tue 5/519:10
SEA
-
BHX
1 stop15h 00m
Aer Lingus
Deal found 14/3£583
Wed 29/412:20
BHX
-
SEA
1 stop12h 50m
Aer Lingus
Wed 6/519:10
SEA
-
BHX
1 stop16h 45m
Aer Lingus
Deal found 15/3£608
Tue 28/408:30
BHX
-
SEA
3 stops22h 23m
Multiple Airlines
Tue 5/519:00
SEA
-
BHX
2 stops18h 00m
Multiple Airlines
Deal found 14/3£617
Thu 30/412:20
BHX
-
SEA
1 stop12h 50m
Aer Lingus
Thu 7/519:10
SEA
-
BHX
1 stop16h 45m
Aer Lingus
Deal found 16/3£623

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 March 2026.

Round-trip from

£518

One-way from

£281

Popular in

August

Cheapest in

March

Average price

£441
30/4-7/5
  • 30/4-7/5
  • 2 total stops
  • 35h 50m total
  • Birmingham to Seattle
Search Deals
16/4
  • 16/4
  • 3 total stops
  • 50h 45m total
  • Birmingham to Seattle
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£96 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 March 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

Wed 29/4

09:00-09:38

3 stops32h 38m

Seattle/Tacoma Intl

Wed 6/5

19:00-22:10

3 stops19h 10m

£532

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 29/4

12:20-17:10

1 stop12h 50m

Seattle/Tacoma Intl

Wed 6/5

19:10-19:55

1 stop16h 45m

£608
Fastest return journey

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 29/4

06:05-12:20

1 stop14h 15m

Seattle/Tacoma Intl

Wed 6/5

18:50-17:10

1 stop14h 20m

£676

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 30/4

06:05-12:20

1 stop14h 15m

Seattle/Tacoma Intl

Thu 7/5

10:30-09:50

2 stops15h 20m

£695

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 21/4

17:35-17:15

1 stop31h 40m

Seattle/Tacoma Intl

Sat 25/4

19:10-09:05

1 stop29h 55m

£710

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 11/6

19:15-13:45

1 stop26h 30m

Seattle/Tacoma Intl

Fri 10/7

15:55-18:35

1 stop18h 40m

£716

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 30/4

18:50-19:00

2 stops32h 10m

Seattle/Tacoma Intl

Thu 7/5

10:30-17:55

2 stops23h 25m

£716

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 8/6

10:00-17:15

1 stop39h 15m

Seattle/Tacoma Intl

Mon 29/6

12:35-09:05

1 stop36h 30m

£720

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 6/4

08:50-22:42

2 stops45h 52m

Seattle/Tacoma Intl

Mon 20/4

10:48-18:00

2 stops47h 12m

£752
Cheapest one-way

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sat 18/4

15:40-10:25

3 stops50h 45m

£316

Flights are sorted by cheapest return flights first.

Deals found on 16/3

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

How far ahead should I book a flight from Birmingham to Seattle?

Use this chart to determine the optimal time to book a return flight from Birmingham to Seattle. Price data was last updated on 13 March 2026.

The best time to book flights from Birmingham to Seattle is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 £365). Flying from Birmingham to Seattle in July is currently the most expensive (average of £587). 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

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 March 2026.
Check out reviews from past customers who have flown with KLM,Virgin Atlantic, andAer Lingus 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.
KLM
7.8
Good
1,471 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,471 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
682 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Aer Lingus
7.2
Good
1,477 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,858 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,800 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 12h 50m. Aer Lingus provides one of the quickest options available for as low as £608. 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 United Airlines (£492) offers the cheapest pricing from Birmingham to Seattle. Users have found that British Airways is 42% 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 £365). Flying from Birmingham to Seattle in July is currently the most expensive (average of £587). 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

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Top 8 airlines flying from Birmingham to Seattle

Discover the top 8 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 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£365Average£380FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£394Average£604FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£492Average£638FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£519Average£592FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£548Average£815FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air FranceCheapest£550Average£756FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£581Average£665FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£596Average£654FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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