Cheap flights from Birmingham to Seattle from £525
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SEA
27 Dec — 3 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Birmingham to Seattle/Tacoma Intl are usually found in November or October, booked 79 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 27 November 2025.
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 27 November 2025.
Wed 26/1111:40BHX - SEA
1 stop14h 40mAer Lingus
Wed 3/1220:05SEA - BHX
1 stop12h 20mAer Lingus
Deal found 25/11£704
Wed 26/1113:30BHX - SEA
3 stops34h 10mMultiple Airlines
Wed 3/1215:10SEA - BHX
2 stops24h 15mMultiple Airlines
Deal found 25/11£907
Best flights from Birmingham to Seattle
Discover carefully curated flight deals from Birmingham to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 November 2025.
Sun 15/316:55BHX - SEA
1 stop33h 25mBritish Airways
Mon 23/321:05SEA - BHX
1 stop12h 20mBritish Airways
Deal found 26/11£525
Tue 17/316:55BHX - SEA
1 stop33h 25mBritish Airways
Mon 23/321:05SEA - BHX
1 stop12h 20mBritish Airways
Deal found 26/11£525
Tue 17/316:55BHX - SEA
1 stop33h 25mBritish Airways
Wed 25/321:05SEA - BHX
1 stop12h 20mBritish Airways
Deal found 26/11£525
Mon 16/309:10BHX - SEA
1 stop17h 10mBritish Airways
Tue 24/314:25SEA - BHX
2 stops18h 15mBritish Airways
Deal found 26/11£540
Wed 18/309:10BHX - SEA
1 stop17h 10mBritish Airways
Wed 25/319:50SEA - BHX
2 stops16h 20mBritish Airways
Deal found 26/11£540
Wed 18/309:10BHX - SEA
1 stop17h 10mBritish Airways
Thu 26/319:50SEA - BHX
2 stops16h 20mBritish Airways
Deal found 26/11£540
Sun 15/319:55BHX - SEA
1 stop30h 25mBritish Airways
Thu 26/319:50SEA - BHX
2 stops16h 20mBritish Airways
Deal found 26/11£545
Sun 15/319:55BHX - SEA
1 stop30h 25mBritish Airways
Wed 25/319:50SEA - BHX
2 stops16h 20mBritish Airways
Deal found 26/11£545
Wed 18/309:10BHX - SEA
1 stop17h 10mBritish Airways
Sun 22/321:05SEA - BHX
1 stop15h 20mBritish Airways
Deal found 26/11£549
Mon 16/311:40BHX - SEA
1 stop14h 40mBritish Airways
Fri 27/321:05SEA - BHX
1 stop11h 25mBritish Airways
Deal found 26/11£549
Last-minute flights from Birmingham to Seattle
Discover last-minute flight deals from Birmingham to Seattle. Data last updated 27 November 2025 and is based on user searches.
Wed 26/1111:40BHX - SEA
1 stop14h 40mAer Lingus
Wed 3/1220:05SEA - BHX
1 stop12h 20mAer Lingus
Deal found 25/11£704
Wed 26/1113:30BHX - SEA
3 stops34h 10mMultiple Airlines
Wed 3/1215:10SEA - BHX
2 stops24h 15mMultiple Airlines
Deal found 25/11£907
One-way flights from Birmingham to Seattle
Search for one-way flight options from Birmingham to Seattle. Find affordable one-way fares based on user searches. Data last updated 27 November 2025.
Sat 20/1218:10BHX - SEA
2 stops54h 55mMultiple Airlines
Deal found 26/11£584
Sat 20/1219:10BHX - SEA
1 stop31h 10mAer Lingus
Deal found 26/11£737
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 27 November 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
Sun 15/3
16:55-19:20
1 stop33h 25m
Seattle/Tacoma Intl
Mon 23/3
21:05-16:25
1 stop12h 20m
£525
BirminghamSeattle
BHX - SEA
BHXSEA
Birmingham
Tue 17/3
16:55-19:20
1 stop33h 25m
Seattle/Tacoma Intl
Mon 23/3
21:05-16:25
1 stop12h 20m
£525
BirminghamSeattle
BHX - SEA
BHXSEA
Birmingham
Tue 17/3
16:55-19:20
1 stop33h 25m
Seattle/Tacoma Intl
Wed 25/3
21:05-16:25
1 stop12h 20m
£525
BirminghamSeattle
BHX - SEA
BHXSEA
Birmingham
Mon 16/3
09:10-19:20
1 stop17h 10m
Seattle/Tacoma Intl
Tue 24/3
14:25-15:40
2 stops18h 15m
£540
BirminghamSeattle
BHX - SEA
BHXSEA
Birmingham
Wed 18/3
09:10-19:20
1 stop17h 10m
Seattle/Tacoma Intl
Wed 25/3
19:50-19:10
2 stops16h 20m
£540
BirminghamSeattle
BHX - SEA
BHXSEA
Birmingham
Wed 18/3
09:10-19:20
1 stop17h 10m
Seattle/Tacoma Intl
Thu 26/3
19:50-19:10
2 stops16h 20m
£540
BirminghamSeattle
BHX - SEA
BHXSEA
Birmingham
Sun 15/3
19:55-19:20
1 stop30h 25m
Seattle/Tacoma Intl
Thu 26/3
19:50-19:10
2 stops16h 20m
£545
BirminghamSeattle
BHX - SEA
BHXSEA
Birmingham
Sun 15/3
19:55-19:20
1 stop30h 25m
Seattle/Tacoma Intl
Wed 25/3
19:50-19:10
2 stops16h 20m
£545
BirminghamSeattle
BHX - SEA
BHXSEA
Birmingham
Wed 18/3
09:10-19:20
1 stop17h 10m
Seattle/Tacoma Intl
Sun 22/3
21:05-19:25
1 stop15h 20m
£549
BirminghamSeattle
BHX - SEA
BHXSEA
Birmingham
Mon 16/3
11:40-19:20
1 stop14h 40m
Seattle/Tacoma Intl
Fri 27/3
21:05-15:30
1 stop11h 25m
£549
Flights are sorted by cheapest return flights first.
Deals found on 26/11
Showing 1-10 of 12 results
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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
Prices
More
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 November 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, February is the cheapest month in which you can book a flight from Birmingham to Seattle (average of £461). Flying from Birmingham to Seattle in July is currently the most expensive (average of £596). 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 27 November 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 14% on airfare.
What’s the top stopover airport for flights from Birmingham to Seattle?
Share of one-stop return flights from Birmingham to Seattle chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Dublin (DUB) – chosen by Cheapflights users on 32% of one-stop itineraries from Birmingham to Seattle on Cheapflights.
What’s the cheapest stopover airport for flights from Birmingham to Seattle?
Average return fare for one-stop flights from Birmingham to Seattle, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £563.
What’s the fastest stopover option from Birmingham to Seattle?
Shortest average travel time for one-stop one-way flights from Birmingham to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via London (LHR) have the shortest average one-way travel time for one-stop routes: 12h 58m.
Which airport typically offers the quickest stopover for flights from Birmingham to Seattle?
Average stopover duration for one-stop one-way flights from Birmingham to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average stopover time of 2h 00m.
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 27 November 2025.
Check out reviews from past customers who have flown with KLM, Virgin Atlantic, andAir France 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.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
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 33h 25m. British Airways provides one of the quickest options available for as low as £525. 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, Lufthansa (£482), Air France (£496), and KLM (£514) offers the cheapest pricing from Birmingham to Seattle. Users have found that Lufthansa is 29% cheaper than the other options available to this destination.
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, February is the cheapest month in which you can book a flight from Birmingham to Seattle (average of £461). Flying from Birmingham to Seattle in July is currently the most expensive (average of £596). 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.
Browse through other flights departing from Birmingham. Flights are based on user searches made on Cheapflights and were last updated on 27 November 2025.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 November 2025.
Discover the top 6 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 27 November 2025.
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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