Find flights
Deals
When to book
FAQs

Cheap flights from Bellingham to Seattle from C$ 108

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SEA
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Bellingham to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Bellingham (BLI) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 177

One-way from

C$ 108

Popular in

December

Cheapest in

February

Average price

C$ 358

Good round-trip deal

C$ 418 or less

Good one-way deal

C$ 1,235 or less
Alaska Airlines
  • Alaska Airlines
  • 24/1-30/1
  • Nonstop
  • 1h 40m total
  • Bellingham to Seattle
Search Deals
Hawaiian Airlines
  • Hawaiian Airlines
  • 25/10
  • Nonstop
  • 0h 57m total
  • Bellingham to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Bellingham to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Bellingham to Seattle/Tacoma Intl.
Search Deals

Find flight deals from Bellingham to Seattle

Cheapest flights from Bellingham to Seattle
Explore the most affordable flight options available from Bellingham to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Wed 22/104:14 p.m.BLI - SEA
Nonstop0h 57mHawaiian Airlines
Thu 20/1111:10 a.m.SEA - BLI
Nonstop1h 01mHawaiian Airlines
Deal found 11/9C$ 190
Sun 2/114:04 p.m.BLI - SEA
Nonstop0h 56mAlaska Airlines
Wed 5/1111:10 a.m.SEA - BLI
Nonstop1h 01mAlaska Airlines
Deal found 10/9C$ 261
Mon 13/104:14 p.m.BLI - SEA
Nonstop0h 57mHawaiian Airlines
Thu 16/1011:20 a.m.SEA - BLI
Nonstop1h 02mHawaiian Airlines
Deal found 11/9C$ 288
Thu 25/98:02 a.m.BLI - SEA
Nonstop0h 58mAlaska Airlines
Sun 28/911:26 a.m.SEA - BLI
Nonstop1h 02mAlaska Airlines
Deal found 11/9C$ 302
Thu 25/93:47 p.m.BLI - SEA
Nonstop0h 56mAlaska Airlines
Mon 29/911:15 p.m.SEA - BLI
Nonstop0h 56mAlaska Airlines
Deal found 10/9C$ 330
Tue 23/95:20 a.m.BLI - SEA
Nonstop0h 53mAlaska Airlines
Sat 27/98:49 p.m.SEA - BLI
Nonstop0h 56mAlaska Airlines
Deal found 10/9C$ 420
Wed 26/115:12 p.m.BLI - SEA
Nonstop0h 59mAlaska Airlines
Sun 30/1111:35 a.m.SEA - BLI
Nonstop1h 01mAlaska Airlines
Deal found 10/9C$ 448

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bellingham to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Bellingham to Seattle that are best for you.

Fly from

Bellingham

Fly to

Seattle

Route

Depart

Return

Price

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sat 24/1

12:58 p.m.-1:47 p.m.

Nonstop0h 49m

Seattle/Tacoma Intl

Fri 30/1

11:10 p.m.-12:01 a.m.

Nonstop0h 51m

C$ 177

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Wed 22/10

4:14 p.m.-5:11 p.m.

Nonstop0h 57m

Seattle/Tacoma Intl

Thu 20/11

11:10 a.m.-12:11 p.m.

Nonstop1h 01m

C$ 190

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sun 2/11

4:04 p.m.-5:00 p.m.

Nonstop0h 56m

Seattle/Tacoma Intl

Wed 5/11

11:10 a.m.-12:11 p.m.

Nonstop1h 01m

C$ 261

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Mon 13/10

4:14 p.m.-5:11 p.m.

Nonstop0h 57m

Seattle/Tacoma Intl

Thu 16/10

11:20 a.m.-12:22 p.m.

Nonstop1h 02m

C$ 288

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Mon 17/11

4:04 p.m.-5:00 p.m.

Nonstop0h 56m

Seattle/Tacoma Intl

Mon 17/11

11:10 p.m.-12:06 a.m.

Nonstop0h 56m

C$ 302

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Mon 2/3

3:30 p.m.-4:19 p.m.

Nonstop0h 49m

Seattle/Tacoma Intl

Fri 6/3

9:15 p.m.-10:05 p.m.

Nonstop0h 50m

C$ 302

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Mon 13/10

4:14 p.m.-5:11 p.m.

Nonstop0h 57m

Seattle/Tacoma Intl

Thu 16/10

11:20 a.m.-12:22 p.m.

Nonstop1h 02m

C$ 302

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Tue 23/9

5:20 a.m.-6:13 a.m.

Nonstop0h 53m

Seattle/Tacoma Intl

Sat 27/9

8:49 p.m.-9:45 p.m.

Nonstop0h 56m

C$ 420

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Wed 26/11

5:12 p.m.-6:11 p.m.

Nonstop0h 59m

Seattle/Tacoma Intl

Sun 30/11

11:35 a.m.-12:36 p.m.

Nonstop1h 01m

C$ 448

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sat 25/10

4:14 p.m.-5:11 p.m.

Nonstop0h 57m

C$ 108

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 16 results
1
2

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Bellingham to Seattle?

Currently, January is the cheapest month in which you can book a flight from Bellingham to Seattle (average of C$ 262). Flying from Bellingham to Seattle in December is currently the most expensive (average of C$ 353). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Bellingham to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

It’s optimal to fly from Bellingham to Seattle in the afternoon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the morning.

How much does it cost to fly round-trip from Bellingham to Seattle?

Related info for your journey

Find useful and relevant information for your journey from Bellingham to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Bellingham to Seattle flight route?

    Within the past month, 527 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 49m. Alaska Airlines provides one of the quickest options available for as low as C$ 177. 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 (97%), Japan Airlines (95%) or Qatar Airways (92%) 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$ 362. While the most popular route (Bellingham - Seattle/Tacoma Intl) can be booked for C$ 448 on average, our data indicates C$ 866 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.

  • What is the cheapest month to book a flight from Bellingham to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Bellingham to Seattle (average of C$ 262). Flying from Bellingham to Seattle in December is currently the most expensive (average of C$ 353). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Tukwila
Tacoma
Bothell
Cashmere
Renton
Olympia
Marysville
Lynnwood

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Bellingham to Seattle?

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.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Bellingham to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Bellingham to Seattle, users can toggle the no change fees filter when performing a flight search.

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.