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Cheap Flights from Birmingham to SeaTac

Compare Birmingham to SeaTac flight deals

Find the cheapest month or even day of the year to fly to SeaTac

Book the best SeaTac fare with no extra fees

Birmingham Airport to SeaTac flight deals

Looking for a cheap last-minute deal or the best roundtrip flight from Birmingham Airport to SeaTac? Find our lowest prices on one-way and roundtrip tickets to the most convenient airport right here.
Seattle.2 353 zł per passenger.Departing Mon, May 4, returning Mon, May 11.Round-trip flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departing from Birmingham on Mon, May 4, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Mon, May 11, arriving in Birmingham.Price includes taxes and charges.From 2 353 zł, select.
Seattle.2 421 zł per passenger.Departing Wed, Jun 3, returning Mon, Jun 8.Round-trip flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departing from Birmingham on Wed, Jun 3, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Mon, Jun 8, arriving in Birmingham.Price includes taxes and charges.From 2 421 zł, select.
Seattle.2 566 zł per passenger.Departing Tue, May 26, returning Tue, Jun 2.Round-trip flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departing from Birmingham on Tue, May 26, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departing from Seattle / Tacoma International on Tue, Jun 2, arriving in Birmingham.Price includes taxes and charges.From 2 566 zł, select.
Seattle.2 651 zł per passenger.Departing Thu, Sep 24, returning Thu, Oct 8.Round-trip flight with Ryanair and KLM.Outbound indirect flight with Ryanair, departing from Birmingham on Thu, Sep 24, arriving in Seattle / Tacoma International.Inbound indirect flight with KLM, departing from Seattle / Tacoma International on Thu, Oct 8, arriving in Birmingham.Price includes taxes and charges.From 2 651 zł, select.
Seattle.2 761 zł per passenger.Departing Tue, Apr 28, returning Tue, May 26.Round-trip flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departing from Birmingham on Tue, Apr 28, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Tue, May 26, arriving in Birmingham.Price includes taxes and charges.From 2 761 zł, select.
Seattle.2 787 zł per passenger.Departing Fri, Sep 4, returning Fri, Sep 11.Round-trip flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departing from Birmingham on Fri, Sep 4, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Fri, Sep 11, arriving in Birmingham.Price includes taxes and charges.From 2 787 zł, select.
Seattle.2 974 zł per passenger.Departing Fri, Jun 19, returning Fri, Jul 3.Round-trip flight with Ryanair and Air France.Outbound indirect flight with Ryanair, departing from Birmingham on Fri, Jun 19, arriving in Seattle / Tacoma International.Inbound indirect flight with Air France, departing from Seattle / Tacoma International on Fri, Jul 3, arriving in Birmingham.Price includes taxes and charges.From 2 974 zł, select.
Seattle.3 374 zł per passenger.Departing Thu, Aug 20, returning Mon, Aug 31.Round-trip flight with easyJet and Icelandair.Outbound indirect flight with easyJet, departing from Birmingham on Thu, Aug 20, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Mon, Aug 31, arriving in Birmingham.Price includes taxes and charges.From 3 374 zł, select.
Seattle.3 385 zł per passenger.Departing Wed, Oct 7, returning Wed, Oct 14.Round-trip flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departing from Birmingham on Wed, Oct 7, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departing from Seattle / Tacoma International on Wed, Oct 14, arriving in Birmingham.Price includes taxes and charges.From 3 385 zł, select.
Seattle.3 525 zł per passenger.Departing Tue, Jul 14, returning Tue, Jul 21.Round-trip flight with easyJet and Icelandair.Outbound indirect flight with easyJet, departing from Birmingham on Tue, Jul 14, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Tue, Jul 21, arriving in Birmingham.Price includes taxes and charges.From 3 525 zł, select.
Seattle.3 526 zł per passenger.Departing Mon, Apr 20, returning Sat, Oct 31.Round-trip flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departing from Birmingham on Mon, Apr 20, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Sat, Oct 31, arriving in Birmingham.Price includes taxes and charges.From 3 526 zł, select.
Seattle.3 532 zł per passenger.Departing Sat, Aug 22, returning Fri, Sep 11.Round-trip flight with Ryanair and Air France.Outbound indirect flight with Ryanair, departing from Birmingham on Sat, Aug 22, arriving in Seattle / Tacoma International.Inbound indirect flight with Air France, departing from Seattle / Tacoma International on Fri, Sep 11, arriving in Birmingham.Price includes taxes and charges.From 3 532 zł, select.
Seattle.3 534 zł per passenger.Departing Sat, Nov 14, returning Sat, Nov 28.Round-trip flight with Air France.Outbound indirect flight with Air France, departing from Birmingham on Sat, Nov 14, arriving in Seattle / Tacoma International.Inbound indirect flight with Air France, departing from Seattle / Tacoma International on Sat, Nov 28, arriving in Birmingham.Price includes taxes and charges.From 3 534 zł, select.
Seattle.3 609 zł per passenger.Departing Sat, Dec 5, returning Tue, Dec 8.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Birmingham on Sat, Dec 5, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departing from Seattle / Tacoma International on Tue, Dec 8, arriving in Birmingham.Price includes taxes and charges.From 3 609 zł, select.
Seattle.3 646 zł per passenger.Departing Mon, Jul 13, returning Mon, Aug 3.Round-trip flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departing from Birmingham on Mon, Jul 13, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departing from Seattle / Tacoma International on Mon, Aug 3, arriving in Birmingham.Price includes taxes and charges.From 3 646 zł, select.
Seattle.3 674 zł per passenger.Departing Sat, Oct 31, returning Mon, Dec 28.Round-trip flight with KLM and Air France.Outbound indirect flight with KLM, departing from Birmingham on Sat, Oct 31, arriving in Seattle / Tacoma International.Inbound indirect flight with Air France, departing from Seattle / Tacoma International on Mon, Dec 28, arriving in Birmingham.Price includes taxes and charges.From 3 674 zł, select.
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Birmingham to SeaTac: Flight information

The things to know before you go.
Fly intoSeattle / Tacoma International Airport
Cheapest flight found2 353 zł
Cheapest month to flyMay

Find the cheapest month to fly from Birmingham to SeaTac

We always keep an eye on fares, so you can find the best flight deal in seconds. It looks like Birmingham to SeaTac flights are currently cheapest in May. We’ve based this on flights into Seattle / Tacoma International Airport.
Apr
from 3 718 zł
May
from 2 353 zł
Jun
from 2 421 zł
Jul
from 3 525 zł
Aug
from 3 374 zł
Sep
from 2 787 zł
Oct
from 3 385 zł
Nov
from 3 534 zł
Dec
from 3 609 zł
Jan
Find prices
Feb
from 3 865 zł
Mar
from 3 748 zł

Finding cheap flights from Birmingham to SeaTac: Frequently asked questions

There are three (3) airports near SeaTac: Seattle / Tacoma International Airport, Seattle Boeing Fld Airport, and Seattle Lake Union SPB Airport.
The best price we found for a round-trip flight from Birmingham to SeaTac is 2 353 zł. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Birmingham to SeaTac. But we found flights with one or more stops from 2 353 zł.
We've checked every Birmingham Airport to SeaTac fare we could find, and the cheapest upcoming date to fly seems to be on Monday, May 4, 2026. Overall, the cheapest month to fly from Birmingham Airport to SeaTac is usually May.
If you're flying from Birmingham Airport, the cheapest airport near SeaTac is Seattle / Tacoma International – which is 1.4 km away from the center of SeaTac. We've found flights to this airport from 2 353 zł.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Birmingham Airport to SeaTac on Monday, May 4, 2026.
No airlines currently offer direct flights between Birmingham Airport and SeaTac. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to SeaTac but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to SeaTac is around 40 days in advance, so don’t leave your flight to the last minute.
Seattle / Tacoma International Airport is 1.4km from SeaTac, Seattle Boeing Fld Airport is 8.5km from SeaTac, and Seattle Lake Union SPB Airport is 19.3km from SeaTac.
Seattle / Tacoma International Airport is closest to SeaTac, at around 1.4 km away.
Currently, the cheapest airline that flies to Seattle / Tacoma International Airport – the closest airport to SeaTac – is Ryanair.