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

According to our current data, Scandinavian Airlines (£521), KLM (£525), and Delta (£546) offers the cheapest pricing from Birmingham to Seattle. Users have found that Scandinavian Airlines is 22% cheaper than the other options available to this destination.

What is the cheapest day to fly from Birmingham to Seattle?

Travellers seeking maximum savings on their Birmingham to Seattle flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Birmingham to Seattle?

Consider Air France, Delta or Aer Lingus when booking your flight. These represent the most popular airlines when flying from Birmingham to Seattle.

What is the cheapest day to fly round-trip from Birmingham to Seattle?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 32% on your flight compared to booking on days when demand is much higher.

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

To save on the cost of your flight from Birmingham to Seattle, book at least 27 days before your planned departure. Booking around this time can save you about 58% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £740 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £874.

What is the cheapest month to fly from Birmingham to Seattle?

March can be a great time to fly to Seattle from Birmingham with a flight ticket averaging about £673. Cheapflights users have found deals in the month of March for as cheap as £506. The most expensive prices can be found in the month of July.

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.

£344+ Flights from Birmingham to Seattle

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

Cheap flight deals from Birmingham to Seattle

Round-trip from	£520
One-way from	£344
Popular in	July
Cheapest in	March
Average price	£656

Air France
4/11-10/11
2 total stops
42h 55m total
Birmingham to Seattle

Search Deals

25/7
3 total stops
26h 49m total
Birmingham to Seattle

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£110 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 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 13 June 2025.

Tue 4/1120:45BHX - SEA

1 stop23h 05mMultiple Airlines

Mon 10/1114:00SEA - BHX

1 stop19h 50mMultiple Airlines

Deal found 10/6£520

Tue 4/1119:10BHX - SEA

2 stops35h 38mScandinavian Airlines

Mon 10/1114:00SEA - BHX

2 stops20h 30mScandinavian Airlines

Deal found 10/6£521

Mon 25/806:00BHX - SEA

1 stop13h 35mKLM

Mon 15/914:10SEA - BHX

1 stop21h 35mKLM

Deal found 10/6£525

Mon 25/806:00BHX - SEA

1 stop13h 35mDelta

Mon 15/907:20SEA - BHX

2 stops21h 25mDelta

Deal found 10/6£546

Tue 4/1106:00BHX - SEA

3 stops25h 15mLufthansa

Mon 10/1107:30SEA - BHX

2 stops21h 15mLufthansa

Deal found 10/6£613

Wed 16/706:00BHX - SEA

1 stop19h 25mVirgin Atlantic

Wed 30/713:30SEA - BHX

1 stop12h 00mVirgin Atlantic

Deal found 12/6£633

Mon 11/808:10BHX - SEA

1 stop17h 40mAer Lingus

Tue 26/819:35SEA - BHX

1 stop16h 10mAer Lingus

Deal found 12/6£640

Sun 27/713:05BHX - SEA

2 stops40h 28mUnited Airlines

Sun 3/813:00SEA - BHX

2 stops44h 15mUnited Airlines

Deal found 12/6£916

Sat 26/706:00BHX - SEA

2 stops21h 14mWestJet

Sat 2/816:50SEA - BHX

2 stops36h 50mWestJet

Deal found 11/6£6,237

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 13 June 2025.

Tue 4/1120:45BHX - SEA

1 stop23h 05mMultiple Airlines

Mon 10/1114:00SEA - BHX

1 stop19h 50mMultiple Airlines

Deal found 10/6£520

Tue 4/1119:10BHX - SEA

2 stops35h 38mScandinavian Airlines

Mon 10/1114:00SEA - BHX

2 stops20h 30mScandinavian Airlines

Deal found 10/6£521

Mon 25/806:00BHX - SEA

1 stop13h 35mKLM

Mon 15/914:10SEA - BHX

1 stop21h 35mKLM

Deal found 10/6£525

Mon 25/806:00BHX - SEA

1 stop13h 35mDelta

Mon 15/907:20SEA - BHX

2 stops21h 25mDelta

Deal found 10/6£546

Tue 4/1106:00BHX - SEA

3 stops25h 15mLufthansa

Mon 10/1107:30SEA - BHX

2 stops21h 15mLufthansa

Deal found 10/6£613

Wed 16/706:00BHX - SEA

1 stop19h 25mVirgin Atlantic

Wed 30/713:30SEA - BHX

1 stop12h 00mVirgin Atlantic

Deal found 12/6£633

Mon 11/808:10BHX - SEA

1 stop17h 40mAer Lingus

Tue 26/819:35SEA - BHX

1 stop16h 10mAer Lingus

Deal found 12/6£640

Sun 27/713:05BHX - SEA

2 stops40h 28mUnited Airlines

Sun 3/813:00SEA - BHX

2 stops44h 15mUnited Airlines

Deal found 12/6£916

Sat 26/706:00BHX - SEA

2 stops21h 14mWestJet

Sat 2/816:50SEA - BHX

2 stops36h 50mWestJet

Deal found 11/6£6,237

Last-minute flights from Birmingham to Seattle
Discover last-minute flight deals from Birmingham to Seattle. Data last updated 13 June 2025 and is based on user searches.

Thu 26/620:15BHX - SEA

1 stop23h 25mMultiple Airlines

Sun 29/613:30SEA - BHX

1 stop12h 00mMultiple Airlines

Deal found 12/6£644

Thu 26/606:00BHX - SEA

1 stop13h 15mDelta

Sun 29/607:26SEA - BHX

2 stops17h 04mDelta

Deal found 12/6£653

Wed 16/706:00BHX - SEA

1 stop19h 25mVirgin Atlantic

Wed 30/713:30SEA - BHX

1 stop12h 00mVirgin Atlantic

Deal found 12/6£633

Sat 26/706:00BHX - SEA

2 stops21h 14mWestJet

Sat 2/816:50SEA - BHX

2 stops36h 50mWestJet

Deal found 11/6£6,237

Sun 27/713:05BHX - SEA

2 stops40h 28mUnited Airlines

Sun 3/813:00SEA - BHX

2 stops44h 15mUnited Airlines

Deal found 12/6£916

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

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 4/11

20:45-11:50

1 stop23h 05m

Seattle/Tacoma Intl

Mon 10/11

14:00-17:50

1 stop19h 50m

£520

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 4/11

19:10-22:48

2 stops35h 38m

Seattle/Tacoma Intl

Mon 10/11

14:00-18:30

2 stops20h 30m

£521

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 25/8

06:00-11:35

1 stop13h 35m

Seattle/Tacoma Intl

Mon 15/9

14:10-19:45

1 stop21h 35m

£525

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 25/8

06:00-11:35

1 stop13h 35m

Seattle/Tacoma Intl

Mon 15/9

07:20-12:45

2 stops21h 25m

£546

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 4/11

06:00-23:15

3 stops25h 15m

Seattle/Tacoma Intl

Mon 10/11

07:30-12:45

2 stops21h 15m

£613

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 16/7

06:00-17:25

1 stop19h 25m

Seattle/Tacoma Intl

Wed 30/7

13:30-09:30

1 stop12h 00m

£633

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 11/8

08:10-17:50

1 stop17h 40m

Seattle/Tacoma Intl

Tue 26/8

19:35-19:45

1 stop16h 10m

£640

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 27/7

13:05-21:33

2 stops40h 28m

Seattle/Tacoma Intl

Sun 3/8

13:00-17:15

2 stops44h 15m

£916

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sat 26/7

06:00-19:14

2 stops21h 14m

Seattle/Tacoma Intl

Sat 2/8

16:50-13:40

2 stops36h 50m

£6,237

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 25/7

21:20-16:09

3 stops26h 49m

£344

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 11 results

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?

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?

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

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

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

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,950 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

652 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Scandinavian Airlines

7.3

Good

1,387 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Birmingham to Seattle round-trip?
According to our current data, Scandinavian Airlines (£521), KLM (£525), and Delta (£546) offers the cheapest pricing from Birmingham to Seattle. Users have found that Scandinavian Airlines is 22% 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, 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

Tacoma

Leavenworth

Bothell

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Birmingham to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest£469	Average£580	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air France	Cheapest£513	Average£653	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Virgin Atlantic	Cheapest£515	Average£635	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£522	Average£637	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest£551	Average£642	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Aer Lingus	Cheapest£592	Average£830	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

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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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.

Cheap flights from Birmingham to Seattle from £344

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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.

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

Cheap flight deals from Birmingham to Seattle

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Birmingham to Seattle

Cheapest flights from Birmingham to SeattleExplore 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 13 June 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 13 June 2025.

Cheapflights Fare Finder

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

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.

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 9 June 2025.

What is the cheapest month to book a flight from Birmingham to Seattle?

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 13 June 2025.

Rainfall in Seattle by month

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

Temperature in Seattle by month

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

Reviews of airlines servicing Seattle

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?

Can I find deals for flights from Birmingham to Seattle that include hotel bookings?

How can I find direct flights from Birmingham to Seattle?

Can I find deals for business class flights from Birmingham to Seattle?

What is the cheapest month to book a flight from Birmingham to Seattle?

Travelling to a place near Birmingham?

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.

Top 6 airlines flying from Birmingham to Seattle

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?

Why should you use Cheapflights to find cheap flight tickets from Birmingham to Seattle?

Can Cheapflights find flights from Birmingham to Seattle with no change fees?

Can Cheapflights notify me if prices for flights from Birmingham to Seattle become cheaper?

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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 13 June 2025.