Cheapest airlines flights from Seattle to Bellingham

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Find cheap flights from Seattle to Bellingham

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Seattle to Bellingham Flight Information

Cheapest one-way flight price $66
Cheapest round-trip ticket price $119
Off-season for travel June
Peak season for travel March
Flight distance 150.35 km
Average flight time 54 minutes
Popular airline Alaska Airlines

When is the cheapest time to book flights from Seattle to Bellingham?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
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  • 15 22
  • 22 29
  • Jul

    29 6
  • 6 13
  • 13 20
  • 20 27
  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31
  • Sep

    31 7
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Seattle (SEA) to Bellingham (BLI) the cheapest?

    Airlines adjust prices for flights from Seattle to Bellingham based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Seattle (SEA) to Bellingham (BLI) cost?

    According to Trip.com's data, the lowest price is around $199.
  • How long does it take to fly from Seattle (SEA) to Bellingham (BLI) and what is the distance?

    It takes around 54 minutes to fly from Seattle (SEA) to Bellingham (BLI).
  • What are the most popular airlines that fly from Seattle (SEA) to Bellingham (BLI)?

    Airlines with flights from Seattle (SEA) to Bellingham (BLI): Alaska Airlines, Hawaiian Airlines, Qatar Airways, Japan Airlines, Finnair and American Airlines.

How to find a cheap flight from Seattle to Bellingham

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Bellingham. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Seattle to Bellingham ticket.
Tap "Date" on flight search bar to scan through the calender for Seattle to Bellingham airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Sat, Jul 5 at US$67 for one-way flights.
2
Compare cheap Seattle to Bellingham flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Seattle to Bellingham. The cheapest airline operating is Hawaiian Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Seattle to Bellingham route, you can easily track the price of your airline tickets from Seattle to Bellingham without manually checking every day.
4
Don't miss cheap Seattle to Bellingham flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Seattle to Bellingham to get exclusive deals for you.