$167+ Cheap flights from Birmingham, AL to Seattle (BHM - SEA)
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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — SEA
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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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 July 28, 2026.
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 July 28, 2026.
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:06 pm
BHM
- SEA
1 stop8h 59m
Delta
Thu 9/1010:59 pm
SEA
- BHM
1 stop7h 25m
Delta
Deal found 7/27![Delta logo]()
$333
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:25 am
BHM
- SEA
2 stops10h 35m
Southwest
Wed 9/161:40 pm
SEA
- BHM
1 stop6h 55m
Southwest
Deal found 7/27![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:07 pm
BHM
- SEA
1 stop9h 08m
Delta
Tue 9/156:00 am
SEA
- BHM
1 stop8h 52m
Delta
Deal found 7/24![Delta logo]()
$343
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:40 pm
BHM
- SEA
2 stops10h 40m
Southwest
Mon 8/3111:00 pm
SEA
- BHM
1 stop10h 15m
Southwest
Deal found 7/25![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:00 pm
BHM
- SEA
2 stops8h 55m
Southwest
Wed 9/2311:05 pm
SEA
- BHM
2 stops11h 20m
Southwest
Deal found 7/23![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:35 pm
BHM
- SEA
2 stops10h 35m
Southwest
Tue 9/1511:05 pm
SEA
- BHM
2 stops10h 10m
Southwest
Deal found 7/24![Southwest logo]()
$361
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:30 am
BHM
- SEA
1 stop14h 20m
Southwest
Thu 9/1711:00 pm
SEA
- BHM
1 stop11h 25m
Southwest
Deal found 7/27![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am
BHM
- SEA
2 stops10h 30m
Southwest
Wed 10/216:15 am
SEA
- BHM
2 stops11h 35m
Southwest
Deal found 7/24![Southwest logo]()
$367
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:45 pm
BHM
- SEA
1 stop7h 34m
United Airlines
Wed 11/2511:59 pm
SEA
- BHM
1 stop7h 30m
United Airlines
Deal found 7/24![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:10 pm
BHM
- SEA
1 stop7h 48m
Delta
Fri 9/1811:59 pm
SEA
- BHM
1 stop6h 25m
Delta
Deal found 7/27![Delta logo]()
$376
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:45 am
BHM
- SEA
1 stop14h 00m
Southwest
Sat 8/295:30 am
SEA
- BHM
1 stop9h 50m
Southwest
Deal found 7/28![Southwest logo]()
$381
Best flights from Birmingham to SeattleDiscover carefully curated flight deals from Birmingham to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
Discover carefully curated flight deals from Birmingham to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:00 am
BHM
- SEA
1 stop7h 49m
United Airlines
Wed 10/2111:59 pm
SEA
- BHM
1 stop7h 19m
United Airlines
Deal found 7/24![United Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:22 pm
BHM
- SEA
1 stop9h 36m
Delta
Wed 9/167:20 am
SEA
- BHM
1 stop6h 42m
Delta
Deal found 7/27![Delta logo]()
$333
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:25 am
BHM
- SEA
2 stops10h 35m
Southwest
Wed 9/161:40 pm
SEA
- BHM
1 stop6h 55m
Southwest
Deal found 7/26![Southwest logo]()
$338
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:40 pm
BHM
- SEA
1 stop9h 24m
United Airlines
Wed 9/212:10 pm
SEA
- BHM
1 stop7h 49m
United Airlines
Deal found 7/27![United Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:35 am
BHM
- SEA
1 stop9h 45m
Southwest
Wed 9/2311:05 pm
SEA
- BHM
2 stops11h 20m
Southwest
Deal found 7/23![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:07 pm
BHM
- SEA
1 stop9h 08m
Delta
Tue 9/156:00 am
SEA
- BHM
1 stop8h 52m
Delta
Deal found 7/24![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:00 pm
BHM
- SEA
1 stop8h 36m
United Airlines
Tue 9/159:00 am
SEA
- BHM
2 stops10h 16m
United Airlines
Deal found 7/24![United Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:25 am
BHM
- SEA
2 stops10h 35m
Southwest
Tue 9/296:40 am
SEA
- BHM
2 stops9h 55m
Southwest
Deal found 7/23![Southwest logo]()
$343
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:35 pm
BHM
- SEA
2 stops10h 35m
Southwest
Tue 9/1511:05 pm
SEA
- BHM
2 stops10h 10m
Southwest
Deal found 7/24![Southwest logo]()
$361
Last-minute flights from Birmingham to SeattleDiscover last-minute flight deals from Birmingham to Seattle. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Birmingham to Seattle. Data last updated July 28, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:23 am
BHM
- SEA
1 stop10h 11m
Delta
Fri 8/77:16 am
SEA
- BHM
1 stop7h 01m
Delta
Deal found 7/27![Delta logo]()
$741
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:56 pm
BHM
- SEA
2 stops10h 14m
United Airlines
Fri 8/71:55 pm
SEA
- BHM
1 stop7h 39m
United Airlines
Deal found 7/27![United Airlines logo]()
$746
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/35:15 pm
BHM
- SEA
2 stops9h 40m
Southwest
Fri 8/75:00 am
SEA
- BHM
2 stops9h 20m
Southwest
Deal found 7/27![Southwest logo]()
$751
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/52:56 pm
BHM
- SEA
2 stops10h 14m
United Airlines
Mon 8/105:00 am
SEA
- BHM
1 stop9h 20m
United Airlines
Deal found 7/23![United Airlines logo]()
$750
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:26 am
BHM
- SEA
2 stops14h 09m
Alaska Airlines
Mon 8/1010:03 am
SEA
- BHM
2 stops11h 24m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$864
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/73:03 pm
BHM
- SEA
1 stop9h 23m
American Airlines
Tue 8/115:00 am
SEA
- BHM
1 stop9h 46m
American Airlines
Deal found 7/24![American Airlines logo]()
$584
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:22 pm
BHM
- SEA
1 stop8h 35m
Delta
Tue 8/119:53 am
SEA
- BHM
1 stop8h 50m
Delta
Deal found 7/25![Delta logo]()
$613
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/73:40 pm
BHM
- SEA
2 stops11h 49m
United Airlines
Tue 8/115:00 am
SEA
- BHM
1 stop6h 47m
United Airlines
Deal found 7/24![United Airlines logo]()
$699
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:26 am
BHM
- SEA
2 stops14h 09m
Alaska Airlines
Tue 8/1110:03 am
SEA
- BHM
2 stops11h 24m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$781
One-way flights from Birmingham to SeattleSearch for one-way flight options from Birmingham to Seattle. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from Birmingham to Seattle. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:00 pm
BHM
- SEA
1 stop8h 36m
United Airlines
Deal found 7/27![United Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:40 pm
BHM
- SEA
2 stops10h 40m
Southwest
Deal found 7/25![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:00 pm
BHM
- SEA
2 stops8h 55m
Southwest
Deal found 7/26![Southwest logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:19 pm
BHM
- SEA
3 stops48h 20m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:58 pm
BHM
- SEA
3 stops44h 10m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 am
BHM
- SEA
3 stops17h 01m
United Airlines
Deal found 7/25![United Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:40 am
BHM
- SEA
2 stops15h 45m
Southwest
Deal found 7/27![Southwest logo]()
$233
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:00 am
BHM
- SEA
1 stop7h 30m
Southwest
Deal found 7/23![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:35 am
BHM
- SEA
2 stops10h 10m
Southwest
Deal found 7/27![Southwest logo]()
$239
Find flight deals from Birmingham to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHM) 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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $333 (Delta) |
One-way from | $167 (United Airlines) |
Popular in | May |
Cheapest in | September |
Average price | $566 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 28, 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
Cheapest round-trip
Quickest round-trip
BirminghamSeattle
BHM - SEA
BHMSEA
Birmingham
Sat 10/17
9:00 am-2:49 pm
1 stop7h 49m
Seattle/Tacoma Intl
Wed 10/21
11:59 pm-9:18 am
1 stop7h 19m
$333
BirminghamSeattle
BHM - SEA
BHMSEA
Birmingham
Wed 9/9
4:22 pm-11:58 pm
1 stop9h 36m
Seattle/Tacoma Intl
Wed 9/16
7:20 am-4:02 pm
1 stop6h 42m
$333
BirminghamSeattle
BHM - SEA
BHMSEA
Birmingham
Wed 8/26
3:40 pm-11:04 pm
1 stop9h 24m
Seattle/Tacoma Intl
Wed 9/2
12:10 pm-9:59 pm
1 stop7h 49m
$333
BirminghamSeattle
BHM - SEA
BHMSEA
Birmingham
Wed 9/9
6:25 am-3:00 pm
2 stops10h 35m
Seattle/Tacoma Intl
Wed 9/16
1:40 pm-10:35 pm
1 stop6h 55m
$338
BirminghamSeattle
BHM - SEA
BHMSEA
Birmingham
Thu 9/17
10:35 am-6:20 pm
1 stop9h 45m
Seattle/Tacoma Intl
Wed 9/23
11:05 pm-12:25 pm
2 stops11h 20m
$338
BirminghamSeattle
BHM - SEA
BHMSEA
Birmingham
Wed 9/9
3:00 pm-9:36 pm
1 stop8h 36m
Seattle/Tacoma Intl
Tue 9/15
9:00 am-9:16 pm
2 stops10h 16m
$338
BirminghamSeattle
BHM - SEA
BHMSEA
Birmingham
Tue 9/8
2:07 pm-9:15 pm
1 stop9h 08m
Seattle/Tacoma Intl
Tue 9/15
6:00 am-4:52 pm
1 stop8h 52m
$343
BirminghamSeattle
BHM - SEA
BHMSEA
Birmingham
Wed 9/23
6:25 am-3:00 pm
2 stops10h 35m
Seattle/Tacoma Intl
Tue 9/29
6:40 am-6:35 pm
2 stops9h 55m
$343
BirminghamSeattle
BHM - SEA
BHMSEA
Birmingham
Wed 9/9
2:35 pm-11:10 pm
2 stops10h 35m
Seattle/Tacoma Intl
Tue 9/15
11:05 pm-11:15 am
2 stops10h 10m
$361
Cheapest one-way
BirminghamSeattle
BHM - SEA
BHMSEA
Birmingham
Sat 8/29
3:00 pm-9:36 pm
1 stop8h 36m
$167
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Birmingham to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Birmingham to Seattle in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Birmingham, Alabama-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Birmingham, Alabama-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Birmingham, Alabama-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Birmingham, Alabama-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Birmingham, Alabama-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
BHM-SEA
Estimated round-trip 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, Alabama to Seattle?
Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Birmingham, Alabama to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Birmingham, Alabama to Seattle?
Currently, September is the cheapest month in which you can book a flight from Birmingham, Alabama to Seattle (average of $438). Flying from Birmingham, Alabama to Seattle in May is currently the most expensive (average of $698). 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.
How much does it cost to fly round-trip from Birmingham, Alabama to Seattle?
Airfare is below average for this route at the moment.
Birmingham, Alabama to Seattle flights typically cost between $408 and $716 in September.The cheapest round-trip price found within the last 5 days was $333 on Delta (Sep 1-Sep 10).
What’s the top layover airport for flights from Birmingham, Alabama to Seattle?
Share of 1-stop round-trip flights from Birmingham, Alabama to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 50% of 1-stop itineraries from Birmingham, Alabama to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Birmingham, Alabama to Seattle?
Average round-trip fare for 1-stop flights from Birmingham, Alabama to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $387.
What’s the fastest layover option from Birmingham, Alabama to Seattle?
Shortest average travel time for 1-stop one-way flights from Birmingham, Alabama to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 35m.
Which airport typically offers the quickest layover for flights from Birmingham, Alabama to Seattle?
Average layover duration for 1-stop one-way flights from Birmingham, Alabama to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 0h 50m.
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 July 28, 2026.
Read through reviews of airlines operating flights from Birmingham to Seattle, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Edmonds
Tukwila
Snoqualmie
Tumwater
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Shoreline
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Birmingham and Seattle flights
Browse other Birmingham and Seattle flight options. Last updated on July 28, 2026.
Other flights from Birmingham
Browse through other flights departing from Birmingham. Flights are based on user searches made on Cheapflights and were last updated on July 28, 2026.
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Other flights to Seattle
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Top 5 airlines flying from Birmingham to Seattle
Discover the top 5 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 2,558,603 searches. Data last updated July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$321 | Average$553 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$347 | Average$587 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$367 | Average$526 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$397 | Average$484 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$630 | Average$734 | FlexibilityNo cancel fee | On-time75% |