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Cheap flights from Bellingham to Seattle from C$ 202

BLI — SEA
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Bellingham to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Bellingham to Seattle

Fri 4/122:06 p.m. -
Nonstop0h 59m
Tue 8/1210:41 p.m. -
Nonstop0h 57m
Deal found 22/10C$ 311
Sat 26/127:20 p.m. -
Nonstop0h 54m
Thu 31/127:26 a.m. -
1 stop4h 27m
Deal found 23/10C$ 396
Fri 25/128:19 a.m. -
1 stop3h 21m
Thu 31/129:22 p.m. -
Nonstop0h 57m
Deal found 24/10C$ 398
Wed 25/117:24 p.m. -
Nonstop0h 58m
Sun 29/118:40 a.m. -
1 stop15h 19m
Deal found 22/10C$ 476
Sat 21/115:09 a.m. -
Nonstop1h 01m
Sun 22/116:54 p.m. -
1 stop5h 05m
Deal found 24/10C$ 486
Wed 4/111:58 p.m. -
Nonstop0h 57m
Sun 8/1112:16 p.m. -
Nonstop1h 02m
Deal found 21/10C$ 556
Wed 11/117:29 p.m. -
Nonstop0h 57m
Wed 11/1110:59 p.m. -
1 stop23h 31m
Deal found 19/10C$ 584
Thu 26/1112:18 p.m. -
1 stop18h 13m
Mon 7/127:57 p.m. -
1 stop3h 01m
Deal found 21/10C$ 588

Find flight deals from Bellingham to Seattle

Round-trip from

C$ 311

One-way from

C$ 202

Popular in

December

Cheapest in

November

Average price

C$ 500

Good round-trip deal

C$ 655 or less
Alaska Airlines
  • Alaska Airlines
  • 26/12-31/12
  • Nonstop
  • 1h 51m total
  • Bellingham to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 14/12-31/12
  • Nonstop
  • 0h 57m total
  • Bellingham to Seattle
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High demand for flights, 12% potential price rise
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Cheapest flight prices on average. 8% potential price decrease (C$ 47 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Bellingham to Seattle/Tacoma Intl.
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Mon 14/12

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

Nonstop0h 57m

Seattle/Tacoma Intl

Wed 31/12

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

Nonstop0h 00m

C$ 202

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Sun 6/12

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

Nonstop0h 57m

Seattle/Tacoma Intl

Wed 31/12

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

Nonstop0h 00m

C$ 202

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Sun 6/12

9:51 a.m.-12:16 p.m.

1 stop26h 25m

Seattle/Tacoma Intl

Wed 31/12

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

Nonstop0h 00m

C$ 220

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Fri 20/11

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

Nonstop0h 58m

Seattle/Tacoma Intl

Wed 31/12

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

Nonstop0h 00m

C$ 258

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Sat 26/12

7:20 p.m.-8:14 p.m.

Nonstop0h 54m

Seattle/Tacoma Intl

Thu 31/12

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

Nonstop0h 57m

C$ 311

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Fri 4/12

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

Nonstop0h 59m

Seattle/Tacoma Intl

Tue 8/12

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

Nonstop0h 57m

C$ 311

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Mon 7/12

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

Nonstop0h 57m

Seattle/Tacoma Intl

Wed 31/12

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

Nonstop0h 00m

C$ 335

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Wed 3/3

8:00 a.m.-11:35 a.m.

1 stop3h 35m

Seattle/Tacoma Intl

Wed 10/3

4:35 p.m.-5:31 p.m.

Nonstop0h 56m

C$ 409

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Fri 27/11

12:18 p.m.-7:25 a.m.

1 stop19h 07m

Seattle/Tacoma Intl

Wed 31/12

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

Nonstop0h 00m

C$ 549

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Wed 25/11

12:18 p.m.-7:25 a.m.

1 stop19h 07m

Seattle/Tacoma Intl

Wed 31/12

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

Nonstop0h 00m

C$ 563

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/10

Showing 1-10 of 11 resultsSorted by cheapest first
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Best time to book a flight from Bellingham to Seattle

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

Cheapflights Insights

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

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

It’s optimal to fly from Bellingham to Seattle in the afternoon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Bellingham to Seattle?

Travelers seeking maximum savings on their Bellingham to Seattle flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

  • How popular is this Bellingham to Seattle flight route?

    Within the past month, 31 users have taken a look at flights from Bellingham to Seattle/Tacoma Intl.

  • How long is the flight from Bellingham to Seattle?

    A quick flight from Bellingham to Seattle can take about 54m. Alaska Airlines provides one of the quickest options available for as low as C$ 311. The distance from Bellingham to Seattle is about 150 km. Generally, flights for this route are direct.

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

    Consider American Airlines (82%), SkyWest Airlines (78%) or Qatar Airways (78%) when booking your flight. These represent the most reliable airlines when flying from Bellingham to Seattle.

  • What are the cheapest flights from Bellingham to Seattle?

    Looking at all options, your cheapest flight can be booked for C$ 523. While the most popular route (Bellingham - Seattle/Tacoma Intl) can be booked for C$ 459 on average, our data indicates C$ 949 when flying from Bellingham to Seattle.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bellingham to Seattle 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Kent
Tukwila
Mukilteo
Ellensburg
Renton
Lynnwood
Cashmere
Tacoma
Marysville
Federal Way
Kirkland
Leavenworth

Browse thousands of different options on Cheapflights for your next trip

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When you search for this flight from Bellingham to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Yes, Cheapflights offers price alerts on Bellingham to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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