Cheap Flights from Seattle to Birmingham from $457

Frequently Asked Questions

• What are the cheapest flights from Seattle to Birmingham (SEA-BHX)?

  Based on Trip.com data, Aer Lingus offers one-way fares as low as $457 on Cheapest nonstop routes (e.g. SEA to BHX on Sat, Aug 22), while Virgin Atlantic offers Cheapest nonstop round-trips from $940 departing on Mon, Sep 14 and returning on Sun, Sep 20.

• When is the best time to book flights from Seattle to Birmingham?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Birmingham is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Seattle to Birmingham?

  To find best deals on flights from Seattle to Birmingham, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Aug 22, with one-way flights priced at just $457.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Aer Lingus.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Birmingham travel is around December.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Seattle (SEA) to Birmingham (BHX) the cheapest?

  The cheapest months to fly from Seattle to Birmingham is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Seattle to Birmingham on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Seattle to Birmingham on August 17, 2026 with Air France, with prices starting at $996.

• Is there any time difference between Seattle and Birmingham?

  The time difference between Birmingham and Seattle is 8h.

• How do I change or cancel my ticket from Seattle to Birmingham?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Seattle to Birmingham?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seattle to Birmingham is $638. Fares vary by travel date, airline and availability.

• How do I book flights from Seattle to Birmingham on Trip.com?

  Enter Seattle and Birmingham, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.