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Cheap flights from Bellingham to Seattle from C$ 113

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — SEA
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

C$ 212

One-way from

C$ 113

Popular in

December

Cheapest in

February

Average price

C$ 341

Good round-trip deal

C$ 456 or less

Good one-way deal

C$ 268 or less
Alaska Airlines
  • Alaska Airlines
  • 20/5-27/5
  • Nonstop
  • 1h 45m total
  • Bellingham to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 1/6
  • Nonstop
  • 0h 51m total
  • Bellingham to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 76 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 21 potential savings vs. average RT price).
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Average for round-trip flights in March 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 25 March 2025.

Tue 20/512:59 p.m.BLI - SEA
Nonstop0h 50mAlaska Airlines
Tue 27/59:16 p.m.SEA - BLI
Nonstop0h 55mAlaska Airlines
Deal found 24/3C$ 212
Sun 6/41:01 p.m.BLI - SEA
Nonstop0h 51mHawaiian Airlines
Thu 10/44:45 p.m.SEA - BLI
Nonstop0h 50mHawaiian Airlines
Deal found 24/3C$ 842

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 25 March 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

Tue 20/5

12:59 p.m.-1:49 p.m.

Nonstop0h 50m

Seattle/Tacoma Intl

Tue 27/5

9:16 p.m.-10:11 p.m.

Nonstop0h 55m

C$ 212

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sun 6/4

1:01 p.m.-1:52 p.m.

Nonstop0h 51m

Seattle/Tacoma Intl

Thu 10/4

4:45 p.m.-5:35 p.m.

Nonstop0h 50m

C$ 842

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sun 1/6

8:00 a.m.-8:51 a.m.

Nonstop0h 51m

C$ 113

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Thu 8/5

2:51 p.m.-3:49 p.m.

Nonstop0h 58m

C$ 126

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

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$ 261). 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 25 March 2025.

It’s optimal to fly from Bellingham to Seattle in the afternoon. By choosing this option you can save up to 28% 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 25 March 2025.

The most flights from BLI to SEA are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 25 March 2025.
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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, 706 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?

    Alaska Airlines, at C$ 212, was found to be the cheapest airline from Bellingham to Seattle. An alternate airline flying to your destination would be Hawaiian Airlines. You may be able to fly from Bellingham to Seattle for 41% less than the average price by searching for these airlines.

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

    Consider Hawaiian Airlines (69%), SkyWest Airlines (68%) or Alaska Airlines (68%) 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$ 157. While the most popular route (Bellingham - Seattle/Tacoma Intl) can be booked for C$ 642 on average our data indicates C$ 755 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$ 261). 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 Bellingham?

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

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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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