The cheapest times to fly from SEA to BHX are

  • January 8th to March 4th
  • April 9th to May 27th (except the week of May 14th)
  • September 3rd to October 21st
  • November 5th to December 9th (except the week of November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to BHX is mid April. Prices can be as high as $1309 for Friday flights during late December, or as low as $533 for Wednesday flights around mid April.


When to Fly to Birmingham

Flying from Seattle, WA (SEA) to Birmingham (BHX) will usually cost between $556 to $955 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid April with an average ticket price of $584. Due to high demand the most expensive time to fly is late December, with an average price of $973. Planning your trip to low-cost times can easily save you $388 on economy flights and even more on first-class flights. Generally, any price below $622 can be considered a good price for a round-trip SEA to BHX flight.

See below for a graph of average weekly prices for the SEA to BHX route. All prices are for round-trip tickets in USD.

SEA to BHX Flight Prices

Compared to other flights, the SEA to BHX flight is cheaper than the average and costs less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.08, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to BHX, and Tuesday the cheapest day to fly back into SEA. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $107 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $625. Return trip prices are from the BHX to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SEA to BHX can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 26 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SEA to BHX while comparing.

Destination alternative #1: London Heathrow Airport (LHR) in London

  • 87 miles (140 km) away from BHX
  • Usually 20.58% less expensive than BHX
  • Nonstop flights available

See SEA to LHR flights

Destination alternative #2: London Gatwick Airport (LGW) in London

  • 112 miles (180 km) away from BHX
  • Usually 19.05% less expensive than BHX
  • Nonstop flights available

See SEA to LGW flights

Destination alternative #3: London City Airport (LCY) in London

  • 101 miles (163 km) away from BHX
  • Usually 8.36% less expensive than BHX
  • 1-layover flights available

See SEA to LCY flights

Destination alternative #4: Manchester Airport (MAN) in Manchester

  • 66 miles (106 km) away from BHX
  • Usually 6.91% less expensive than BHX
  • Nonstop flights available

See SEA to MAN flights


Flight Questions Answered

Still have questions about flying from SEA to BHX? We’ve got answers.

Which airlines fly this route?

You can find 27 major airlines flying this route most often: Aer Lingus, Air Canada, Air Europa, Air France, Alaska, Alitalia, American, Austrian, Azores Airlines, British Airways, Brussels Airlines, Delta, Eurowings, Finnair, Iberia, JetBlue, KLM, Lufthansa, Norwegian, Royal Air Maroc, SAS, Singapore Airlines, SWISS, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from Birmingham Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 4698 miles or 7561 kilometers.

How long does it take to fly from SEA to BHX?

The real-world flight time for a nonstop SEA to BHX flight is about 9 hour 26 minutes.

How many flights go between Seattle, WA and Birmingham?

It depends on the day of the week and the date, but a typical day might have around 72 available flights from SEA to BHX.


Airport Location Info


Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

Destination code BHX
Destination airport name Birmingham Airport
City Birmingham
Country the United Kingdom
Latitude 52.5
Longitude -1.7


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.