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Cheap flights from Birmingham to Seattle from $527

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Birmingham to Seattle departing on 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Birmingham to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:15 pm - 10:17 pm
BHX
-
SEA
35h 02m
2 stops
Scandinavian Airlines Logo
3:55 pm - 1:40 pm
SEA
-
BHX
13h 45m
1 stop
$727Scandinavian Airlines
Tue, Sep 1 - Sat, Sep 19
Multiple Airlines Logo
5:55 am - 12:20 pm
BHX
-
SEA
14h 25m
1 stop
Multiple Airlines Logo
7:00 pm - 11:25 am
SEA
-
BHX
56h 25m
2 stops
$855Multiple Airlines
Tue, May 5 - Tue, May 12
Scandinavian Airlines Logo
7:15 pm - 10:25 pm
BHX
-
SEA
35h 10m
2 stops
Scandinavian Airlines Logo
7:20 am - 1:40 pm
SEA
-
BHX
22h 20m
2 stops
$894Scandinavian Airlines
Tue, Sep 1 - Sat, Sep 19
SWISS Logo
8:50 am - 10:47 pm
BHX
-
SEA
21h 57m
2 stops
SWISS Logo
10:30 am - 6:00 pm
SEA
-
BHX
23h 30m
2 stops
$909SWISS
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
8:30 am - 6:30 pm
BHX
-
SEA
42h 00m
3 stops
Multiple Airlines Logo
1:30 pm - 10:10 pm
SEA
-
BHX
24h 40m
3 stops
$918Multiple Airlines
Tue, May 5 - Tue, May 12
Lufthansa Logo
5:55 am - 12:20 pm
BHX
-
SEA
14h 25m
1 stop
Lufthansa Logo
2:10 pm - 5:35 pm
SEA
-
BHX
19h 25m
1 stop
$925Lufthansa
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
8:30 am - 6:45 pm
BHX
-
SEA
18h 15m
2 stops
Multiple Airlines Logo
7:10 pm - 2:45 pm
SEA
-
BHX
11h 35m
1 stop
$927Multiple Airlines
Sun, May 3 - Sun, May 10
Aer Lingus Logo
8:10 am - 5:10 pm
BHX
-
SEA
17h 00m
1 stop
Aer Lingus Logo
7:10 pm - 7:55 pm
SEA
-
BHX
16h 45m
1 stop
$936Aer Lingus
Mon, Sep 14 - Mon, Sep 21
Scandinavian Airlines Logo
7:15 pm - 1:45 pm
BHX
-
SEA
26h 30m
1 stop
Scandinavian Airlines Logo
11:10 am - 6:35 pm
SEA
-
BHX
23h 25m
2 stops
$937Scandinavian Airlines
Fri, Sep 18 - Mon, Sep 21
Multiple Airlines Logo
8:30 am - 6:45 pm
BHX
-
SEA
18h 15m
2 stops
Multiple Airlines Logo
1:30 pm - 10:10 pm
SEA
-
BHX
24h 40m
3 stops
$943Multiple Airlines
Tue, May 5 - Tue, May 12

Aer Lingus flights from Birmingham to Seattle

Our best Aer Lingus deals on Birmingham to Seattle flight tickets
Aer Lingus
Sep 14
BHX8:10 amBirmingham
17h 00m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Sep 21
SEA7:10 pmSeattle/Tacoma Intl
16h 45m
1 stop
BHX7:55 pmBirmingham
$936
Aer Lingus
Jun 24
BHX8:10 amBirmingham
17h 00m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Jul 15
SEA7:10 pmSeattle/Tacoma Intl
15h 00m
1 stop
BHX6:10 pmBirmingham
$983
Aer Lingus
May 3
BHX12:20 pmBirmingham
12h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
May 10
SEA7:10 pmSeattle/Tacoma Intl
12h 55m
1 stop
BHX4:05 pmBirmingham
$1,002

United Airlines flights from Birmingham to Seattle

Our best United Airlines deals on Birmingham to Seattle flight tickets
United Airlines
Sep 14
BHX5:55 amBirmingham
14h 00m
1 stop
SEA11:55 amSeattle/Tacoma Intl
Sep 21
SEA10:47 pmSeattle/Tacoma Intl
27h 03m
2 stops
BHX9:50 amBirmingham
$954
United Airlines
Sep 14
BHX10:20 amBirmingham
37h 55m
2 stops
SEA4:15 pmSeattle/Tacoma Intl
Sep 21
SEA7:06 amSeattle/Tacoma Intl
26h 19m
2 stops
BHX5:25 pmBirmingham
$960
United Airlines
May 3
BHX10:35 amBirmingham
60h 01m
2 stops
SEA2:36 pmSeattle/Tacoma Intl
May 10
SEA10:53 pmSeattle/Tacoma Intl
26h 57m
2 stops
BHX9:50 amBirmingham
$980

momondo Fare Finder

 
Customize 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, momondo users made 832,500 searches. Data last updated March 23, 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 round-trip

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 9/1

7:15 pm-10:17 pm

2 stops35h 02m

Seattle/Tacoma Intl

Sat 9/19

3:55 pm-1:40 pm

1 stop13h 45m

$727

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 5/5

5:55 am-12:20 pm

1 stop14h 25m

Seattle/Tacoma Intl

Tue 5/12

7:00 pm-11:25 am

2 stops56h 25m

$855

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 9/1

7:15 pm-10:25 pm

2 stops35h 10m

Seattle/Tacoma Intl

Sat 9/19

7:20 am-1:40 pm

2 stops22h 20m

$894

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 5/5

8:50 am-10:47 pm

2 stops21h 57m

Seattle/Tacoma Intl

Tue 5/12

10:30 am-6:00 pm

2 stops23h 30m

$909

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 5/5

8:30 am-6:30 pm

3 stops42h 00m

Seattle/Tacoma Intl

Tue 5/12

1:30 pm-10:10 pm

3 stops24h 40m

$918

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 5/5

5:55 am-12:20 pm

1 stop14h 25m

Seattle/Tacoma Intl

Tue 5/12

2:10 pm-5:35 pm

1 stop19h 25m

$925
Quickest round-trip

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 5/3

8:30 am-6:45 pm

2 stops18h 15m

Seattle/Tacoma Intl

Sun 5/10

7:10 pm-2:45 pm

1 stop11h 35m

$927

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 9/14

8:10 am-5:10 pm

1 stop17h 00m

Seattle/Tacoma Intl

Mon 9/21

7:10 pm-7:55 pm

1 stop16h 45m

$936

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 9/18

7:15 pm-1:45 pm

1 stop26h 30m

Seattle/Tacoma Intl

Mon 9/21

11:10 am-6:35 pm

2 stops23h 25m

$937

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 5/5

8:30 am-6:45 pm

2 stops18h 15m

Seattle/Tacoma Intl

Tue 5/12

1:30 pm-10:10 pm

3 stops24h 40m

$943

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Birmingham to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Birmingham to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $588. If you don’t want to visit Seattle in March, then you should wait until April to fly from Birmingham, when ticket prices are also cheap, with an average price of $642.

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

You are more likely to see cheaper flights to Seattle from Birmingham when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $842 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Birmingham for as low as $652 on momondo.

When to book flights from Birmingham to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Birmingham to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Birmingham to Seattle (BHX to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Birmingham to Seattle

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from Birmingham to Seattle takes 13h 50m
There are no direct flights from Birmingham to Seattle. There are no popular flight routes from Birmingham to Seattle.
Search flight deals

  • How far is Birmingham to Seattle/Tacoma Intl by plane?

    There are 4681.3 mi between Birmingham and Seattle/Tacoma Intl. 13h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Birmingham Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Birmingham Airport to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Birmingham Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Birmingham Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Birmingham Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Birmingham to Seattle?

Best airlines flying from Birmingham to Seattle

Compare and see reviews for airlines that fly from Birmingham to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom $780Free CancellationRating
7.4
1,547 reviews
Search Air France flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Fife
Westport
Centralia
Kirkland
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Birmingham to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Birmingham to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Birmingham to Seattle with flexible booking policies on momondo?

All flight searches from Birmingham to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Birmingham to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Birmingham. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Birmingham to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Birmingham are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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