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Cheap flights from Bellingham to Seattle from C$ 122

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SEA
3 Aug — 10 Aug1
1 adult

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 29 July 2025.

Round-trip from

C$ 188

One-way from

C$ 122

Popular in

December

Cheapest in

February

Average price

C$ 436

Good round-trip deal

C$ 477 or less

Good one-way deal

C$ 292 or less
Hawaiian Airlines
  • Hawaiian Airlines
  • 16/10-23/10
  • Nonstop
  • 1h 50m total
  • Bellingham to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 9/10
  • Nonstop
  • 0h 57m total
  • Bellingham to Seattle
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Highest demand for flights based on searches. 12% potential increase in price (C$ 65 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 19 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Bellingham to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Bellingham to Seattle/Tacoma Intl.
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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 29 July 2025.

Thu 16/101:02 p.m.BLI - SEA
Nonstop0h 56mHawaiian Airlines
Thu 23/102:40 p.m.SEA - BLI
Nonstop0h 54mHawaiian Airlines
Deal found 27/7C$ 188
Wed 27/81:08 p.m.BLI - SEA
Nonstop0h 58mAlaska Airlines
Wed 3/92:08 p.m.SEA - BLI
Nonstop0h 59mAlaska Airlines
Deal found 27/7C$ 258

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 29 July 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

Thu 16/10

1:02 p.m.-1:58 p.m.

Nonstop0h 56m

Seattle/Tacoma Intl

Thu 23/10

2:40 p.m.-3:34 p.m.

Nonstop0h 54m

C$ 188

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Wed 7/1

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

Nonstop0h 49m

Seattle/Tacoma Intl

Sun 11/1

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

Nonstop0h 51m

C$ 189

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Thu 9/10

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

Nonstop0h 57m

C$ 122

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

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 29 July 2025.

It’s optimal to fly from Bellingham to Seattle in the afternoon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Bellingham to Seattle

Explore weekly flight availability from Bellingham to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 July 2025.

The most flights from BLI to SEA are scheduled on a Monday (15 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 29 July 2025.
Read through reviews of airlines operating flights from Bellingham to Seattle, such as Alaska Airlines and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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, 572 users have taken a look at flights from Bellingham to Seattle/Tacoma Intl.

  • What are the cheapest airlines flying from Bellingham to Seattle round-trip?

    Hawaiian Airlines, at C$ 188, was found to be the cheapest airline from Bellingham to Seattle. An alternate airline flying to your destination would be Alaska Airlines. You may be able to fly from Bellingham to Seattle for 46% less than the average price by searching for these airlines.

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

    Consider American Airlines (92%), Japan Airlines (87%) or SkyWest Airlines (83%) 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$ 141. While the most popular route (Bellingham - Seattle/Tacoma Intl) can be booked for C$ 464 on average our data indicates C$ 843 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
Marysville
Bothell
Renton
Olympia
Lynnwood

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

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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.

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