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Cheap flights from Seattle to Bellingham from C$ 300

SEA — BLI
25 Nov — 2 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Bellingham

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Bellingham

Wed 2/1210:41 p.m. -
Nonstop0h 57m
Sat 5/127:31 p.m. -
Nonstop0h 57m
Deal found 24/10C$ 311
Wed 2/1210:41 p.m. -
Nonstop0h 57m
Sun 6/127:31 p.m. -
Nonstop0h 57m
Deal found 25/10C$ 318
Fri 20/115:45 p.m. -
Nonstop0h 59m
Fri 27/117:24 p.m. -
Nonstop0h 58m
Deal found 23/10C$ 426
Sat 28/117:23 a.m. -
1 stop4h 15m
Sun 29/117:24 p.m. -
Nonstop0h 58m
Deal found 26/10C$ 430
Wed 23/129:22 p.m. -
Nonstop0h 57m
Sat 2/18:19 a.m. -
1 stop14h 38m
Deal found 22/10C$ 448
Mon 30/1110:55 p.m. -
Nonstop0h 55m
Fri 4/122:06 p.m. -
Nonstop0h 59m
Deal found 22/10C$ 472
Wed 25/118:59 p.m. -
1 stop3h 00m
Sat 28/118:21 a.m. -
1 stop22h 10m
Deal found 24/10C$ 581

Find flight deals from Seattle to Bellingham

Round-trip from

C$ 311

One-way from

C$ 300

Popular in

December

Cheapest in

November

Average price

C$ 429
Alaska Airlines
  • Alaska Airlines
  • 2/12-5/12
  • Nonstop
  • 1h 54m total
  • Seattle to Bellingham
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Alaska Airlines
  • Alaska Airlines
  • 6/12-31/12
  • Nonstop
  • 1h 04m total
  • Seattle to Bellingham
Search Deals
High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (C$ 24 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Bellingham that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleBellingham

SEA Seattle/Tacoma Intl - BLI Bellingham

SEABLI

Seattle/Tacoma Intl

Sun 6/12

12:22 p.m.-1:26 p.m.

Nonstop1h 04m

Bellingham

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 300

SeattleBellingham

SEA Seattle/Tacoma Intl - BLI Bellingham

SEABLI

Seattle/Tacoma Intl

Wed 2/12

10:41 p.m.-11:38 p.m.

Nonstop0h 57m

Bellingham

Sat 5/12

7:31 p.m.-8:28 p.m.

Nonstop0h 57m

C$ 311

SeattleBellingham

SEA Seattle/Tacoma Intl - BLI Bellingham

SEABLI

Seattle/Tacoma Intl

Wed 2/12

10:41 p.m.-11:38 p.m.

Nonstop0h 57m

Bellingham

Sun 6/12

7:31 p.m.-8:28 p.m.

Nonstop0h 57m

C$ 318

SeattleBellingham

SEA Seattle/Tacoma Intl - BLI Bellingham

SEABLI

Seattle/Tacoma Intl

Fri 20/11

5:45 p.m.-6:44 p.m.

Nonstop0h 59m

Bellingham

Fri 27/11

7:24 p.m.-8:22 p.m.

Nonstop0h 58m

C$ 426

SeattleBellingham

SEA Seattle/Tacoma Intl - BLI Bellingham

SEABLI

Seattle/Tacoma Intl

Sat 28/11

7:23 a.m.-11:38 a.m.

1 stop4h 15m

Bellingham

Sun 29/11

7:24 p.m.-8:22 p.m.

Nonstop0h 58m

C$ 430

SeattleBellingham

SEA Seattle/Tacoma Intl - BLI Bellingham

SEABLI

Seattle/Tacoma Intl

Wed 23/12

9:22 p.m.-10:19 p.m.

Nonstop0h 57m

Bellingham

Sat 2/1

8:19 a.m.-10:57 p.m.

1 stop14h 38m

C$ 448

SeattleBellingham

SEA Seattle/Tacoma Intl - BLI Bellingham

SEABLI

Seattle/Tacoma Intl

Mon 30/11

10:55 p.m.-11:50 p.m.

Nonstop0h 55m

Bellingham

Fri 4/12

2:06 p.m.-3:05 p.m.

Nonstop0h 59m

C$ 472

SeattleBellingham

SEA Seattle/Tacoma Intl - BLI Bellingham

SEABLI

Seattle/Tacoma Intl

Wed 25/11

8:59 p.m.-11:59 p.m.

1 stop3h 00m

Bellingham

Sat 28/11

8:21 a.m.-6:31 a.m.

1 stop22h 10m

C$ 581

SeattleBellingham

SEA Seattle/Tacoma Intl - BLI Bellingham

SEABLI

Seattle/Tacoma Intl

Sat 21/11

1:10 p.m.-11:38 a.m.

2 stops22h 28m

Bellingham

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 846

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/10

Sorted by cheapest first

Best time to book a flight from Seattle to Bellingham

Have a flexible travel schedule? Discover the best time to fly to Bellingham from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Bellingham

What is the cheapest time of day to fly from SEA to BLI?

When flying from Seattle to Bellingham, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

  • How long is the flight from Seattle to Bellingham?

    There are many flights that can get you from Seattle to Bellingham in 57m. Fly via Alaska Airlines to get the fastest option. The distance between Seattle and Bellingham is about 150 km. Most flights are nonstop.

  • What are the most reliable airlines from Seattle to Bellingham?

    Before booking your flight to Bellingham from Seattle, check out the most reliable airlines to get you to your destination on time: American Airlines (85%), Qatar Airways (82%), SkyWest Airlines( 81%).

  • Can I find deals for flights from Seattle to Bellingham that include hotel bookings?

    Yes. In addition to deals on Seattle to Bellingham flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Bellingham?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Bellingham.

  • Can I find deals for business class flights from Seattle to Bellingham?

    Yes. Cheapflights offers flight deals from Seattle to Bellingham by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Seattle to Bellingham

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Deals for Seattle to Bellingham flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Bellingham?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Bellingham.

Can Cheapflights find flights from Seattle to Bellingham with no change fees?

Certainly. Search results for flights to Bellingham from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Bellingham become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Bellingham from Seattle today and book when prices fit your budget.

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