Find flights
When to book
Airlines
FAQs

Cheap flights from Birmingham to Seattle from £367

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SEA
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Birmingham to Seattle/Tacoma Intl are usually found in April or May, booked 78 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap 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 25 March 2025.

Round-trip from

£831

One-way from

£367

Popular in

July

Cheapest in

April

Average price

£616
8/4-11/4
  • 8/4-11/4
  • 2 total stops
  • 37h 15m total
  • Birmingham to Seattle
Search Deals
14/7
  • 14/7
  • 3 total stops
  • 36h 48m total
  • Birmingham to Seattle
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£107 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Birmingham to Seattle

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 25 March 2025.

Tue 8/406:00BHX - SEA
1 stop18h 00mMultiple Airlines
Fri 11/418:10SEA - BHX
1 stop19h 15mMultiple Airlines
Deal found 24/3£831
Mon 21/420:15BHX - SEA
1 stop27h 45mKLM
Fri 25/418:10SEA - BHX
1 stop14h 40mKLM
Deal found 24/3£841
Sun 30/320:15BHX - SEA
1 stop28h 44mAer Lingus
Fri 4/418:45SEA - BHX
1 stop16h 30mAer Lingus
Deal found 24/3£1,180
Sun 30/305:55BHX - SEA
2 stops23h 07mLufthansa
Fri 4/407:08SEA - BHX
3 stops26h 07mLufthansa
Deal found 24/3£1,189
Sun 30/306:00BHX - SEA
2 stops24h 25mAir France
Fri 4/408:15SEA - BHX
2 stops17h 15mAir France
Deal found 24/3£1,339
Mon 21/405:55BHX - SEA
3 stops27h 03mUnited Airlines
Fri 25/407:00SEA - BHX
2 stops26h 15mUnited Airlines
Deal found 24/3£1,420

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 25 March 2025.
Use the filters below to find and compare flights from Birmingham to Seattle that are best for you.

Fly from

Birmingham

Fly to

Seattle

Route

Depart

Return

Price

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 8/4

06:00-16:00

1 stop18h 00m

Seattle/Tacoma Intl

Fri 11/4

18:10-21:25

1 stop19h 15m

£831

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 21/4

20:15-16:00

1 stop27h 45m

Seattle/Tacoma Intl

Fri 25/4

18:10-16:50

1 stop14h 40m

£841

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 21/4

05:55-00:58

3 stops27h 03m

Seattle/Tacoma Intl

Fri 25/4

07:00-17:15

2 stops26h 15m

£1,420

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 14/7

08:10-12:58

3 stops36h 48m

£367

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 12/9

21:10-16:59

1 stop27h 49m

£513

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 12/9

05:55-17:36

3 stops43h 41m

£1,344

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 21 March 2025.

The best time to book flights from Birmingham to Seattle is 78 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, January is the cheapest month in which you can book a flight from Birmingham to Seattle (average of £622). Flying from Birmingham to Seattle in July is currently the most expensive (average of £946). 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.

What is the cheapest time of day to fly from BHX to SEA?

Find hourly flight availability from Birmingham to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

One of the essential ways to save on airfare from Birmingham to Seattle is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 12% on airfare.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 25 March 2025.
To help decide which airline to fly from Birmingham to Seattle, see what other customers have to say about KLM, United Airlines and Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Entertainment

7.1

Crew

8.4

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,318 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Entertainment

7.1

Crew

8.4

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,605 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Entertainment

7.1

Crew

8.4

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Aer Lingus
7.0
Good
1,061 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Entertainment

7.1

Crew

8.4

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

  • What are the cheapest airlines flying from Birmingham to Seattle round-trip?

    According to our current data, KLM (£841), and United Airlines (£1,420) offers the cheapest pricing from Birmingham to Seattle.

  • 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, January is the cheapest month in which you can book a flight from Birmingham to Seattle (average of £622). Flying from Birmingham to Seattle in July is currently the most expensive (average of £946). 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 Birmingham?

Book flights to Birmingham if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

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.

Alternative routes for Birmingham to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Seattle flights
Gatwick to Seattle flights
London City to Seattle flights
Heathrow to Portland flights
Manchester to Seattle flights
Stansted to Seattle flights
Luton to Seattle flights
Gatwick to Portland flights
London City to Portland flights
Edinburgh to Seattle flights
Heathrow to Spokane flights
Luton to Portland flights
Manchester to Portland flights
Stansted to Portland flights
Edinburgh to Portland flights
Gatwick to Spokane flights
Manchester to Spokane flights
Newcastle upon Tyne to Seattle flights
Heathrow to Pasco flights
Leeds to Seattle flights
Grimsby to Portland flights
Birmingham to Portland flights
London City to Spokane flights
Birmingham to Spokane flights
Southampton to Seattle flights
Heathrow to Bellingham flights
Leeds to Portland flights
Bristol to Portland flights
Bristol to Seattle flights
Edinburgh to Pasco flights
Southend to Seattle flights
Newquay to Seattle flights

Top 7 airlines flying from Birmingham to Seattle

Discover the top 7 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£492Average£597FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£506Average£686FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£541Average£676FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£543Average£671FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£579Average£918FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£579Average£689FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£670Average£800FlexibilityNo cancel feeOn-time70%
Search British Airways 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.