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$69+ Cheap flights from Seattle to Bellingham (SEA - BLI)

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLI
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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Cheap flight deals from Seattle to Bellingham

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Bellingham (BLI). 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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$151
(CheapTickets)

One-way from

$69
(Alaska Airlines)

Popular in

April

Cheapest in

May

Average price

$288
Provider with most accurate pricing for Seattle/Tacoma Intl-Bellingham flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Bellingham flights.
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From Seattle/Tacoma Intl to Bellingham
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One-way flight from Seattle/Tacoma Intl to Bellingham
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Seattle to Bellingham

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

This CheapTickets deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2511:04 pmSEA - BLI
Nonstop0h 55mHawaiian Airlines
Sun 6/18:00 amBLI - SEA
Nonstop0h 51mHawaiian Airlines
Deal found 4/10$151
This Trip.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2511:20 amSEA - BLI
Nonstop0h 59mMultiple Airlines
Sun 6/14:05 pmBLI - SEA
Nonstop0h 53mMultiple Airlines
Deal found 4/10$153
This Trip.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/259:16 pmSEA - BLI
Nonstop0h 55mAlaska Airlines
Sun 6/18:00 amBLI - SEA
Nonstop0h 51mAlaska Airlines
Deal found 4/9$156

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Bellingham 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 2,558,603 searches. Data last updated April 11, 2025.
Use the filters below to find and compare flights from Seattle to Bellingham that are best for you.

Fly from

Seattle

Fly to

Bellingham

Route

Depart

Return

Price

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sun 5/25

11:04 pm-11:59 pm

Nonstop0h 55m

Bellingham

Sun 6/1

8:00 am-8:51 am

Nonstop0h 51m

$151

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sun 5/25

11:20 am-12:19 pm

Nonstop0h 59m

Bellingham

Sun 6/1

4:05 pm-4:58 pm

Nonstop0h 53m

$153

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sun 5/25

9:16 pm-10:11 pm

Nonstop0h 55m

Bellingham

Sun 6/1

8:00 am-8:51 am

Nonstop0h 51m

$156

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Tue 6/17

2:30 pm-3:25 pm

Nonstop0h 55m

$69

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Mon 4/28

8:56 pm-1:42 pm

1 stop16h 46m

$106

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Compare providers for flights from Seattle to Bellingham

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Bellingham in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Bellingham flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Bellingham flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Bellingham flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Bellingham flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Bellingham flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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
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 Seattle to Bellingham

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Bellingham (average of $317). Flying from Seattle to Bellingham in November is currently the most expensive (average of $469). 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 SEA to BLI?

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

It’s optimal to fly from Seattle to Bellingham in the morning. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Seattle to Bellingham

Explore weekly flight availability from Seattle to Bellingham. 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 April 11, 2025.

The most flights from SEA to BLI are scheduled on a Monday (11 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 Bellingham by month

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

In terms of precipitation, rainfall in Bellingham ranges from 1.1 - 5.8 inches per month. November is typically the wettest month, when rainfall can reach 5.8 in. July is typically the driest time to visit Bellingham when rainfall is around 1.1 in.

Temperature in Bellingham by month

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

If weather is an important factor for your trip to Bellingham, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Bellingham

Get insights into the airlines that provide service to Bellingham. 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 Bellingham. Reviews last updated April 11, 2025.
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,366 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

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

  • What airports do I use to fly from Seattle to Bellingham?

    Booking a flight from Seattle/Tacoma Intl (SEA) to Bellingham (BLI) is your only option if you wish to fly from Seattle to Bellingham. On a typical day, there are 10 flights from Seattle/Tacoma Intl to Bellingham, all of which are around 0h 51m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Seattle/Tacoma Intl to Bellingham.

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

    Hawaiian Airlines, at $151, was found to be the cheapest airline from Seattle to Bellingham. An alternate airline flying to your destination would be Alaska Airlines. Users have found that Hawaiian Airlines is 25% cheaper than the other options available to this destination.

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

    Consider American Airlines (73%), Qatar Airways (70%) or Japan Airlines (69%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Bellingham.

  • 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.

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

    Currently, February is the cheapest month in which you can book a flight from Seattle to Bellingham (average of $317). Flying from Seattle to Bellingham in November is currently the most expensive (average of $469). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Mount Vernon
Blaine
Burlington
Ferndale

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Top airline flying from Seattle to Bellingham

Discover the top airline that operate flights from Seattle to Bellingham. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$136Average$236FlexibilityNo cancel feeOn-time75%

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