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$109+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLI
ago. 2 — ago. 91
sáb. 8/2
sáb. 8/9
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 julio 28, 2025.

Round-trip from

$117
(Hawaiian Airlines)

One-way from

$109
(Hawaiian Airlines)

Popular in

May

Cheapest in

October

Average price

$190

Good one-way deal

$129 or less
From Seattle/Tacoma Intl to Bellingham
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One-way flight from Seattle/Tacoma Intl to Bellingham
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Highest demand for flights based on searches. 18% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($12 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 one-way flight from Seattle/Tacoma Intl to Bellingham.
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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 julio 28, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 7/26. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/2411:15 pmSEA - BLI
Nonstop0h 56mHawaiian Airlines
sáb. 9/273:47 pmBLI - SEA
Nonstop0h 56mHawaiian Airlines
Deal found 7/26$117
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/242:08 pmSEA - BLI
Nonstop0h 59mAlaska Airlines
dom. 8/315:20 amBLI - SEA
Nonstop0h 53mAlaska Airlines
Deal found 7/27$148
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/196:40 pmSEA - BLI
2 stops23h 29mMultiple Airlines
vie. 8/229:51 amBLI - SEA
2 stops25h 07mMultiple Airlines
Deal found 7/27$647

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 julio 28, 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

mié. 9/24

11:15 pm-12:11 am

Nonstop0h 56m

Bellingham

sáb. 9/27

3:47 pm-4:43 pm

Nonstop0h 56m

$117

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

dom. 8/24

2:08 pm-3:07 pm

Nonstop0h 59m

Bellingham

dom. 8/31

5:20 am-6:13 am

Nonstop0h 53m

$148

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

mar. 8/19

6:40 pm-6:09 pm

2 stops23h 29m

Bellingham

vie. 8/22

9:51 am-10:58 am

2 stops25h 07m

$647

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

mar. 8/26

11:15 pm-12:11 am

Nonstop0h 56m

$109

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

lun. 8/25

11:29 am-12:28 pm

Nonstop0h 59m

$129

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

lun. 8/4

5:30 pm-1:21 pm

2 stops19h 51m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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 $462). 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 julio 28, 2025.

It’s optimal to fly from Seattle to Bellingham in the morning. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight at noon.

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 julio 28, 2025.

The most flights from SEA to BLI are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

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 julio 28, 2025.
Read reviews from past customers who have flown Alaska Airlines and Hawaiian Airlines from Seattle to Bellingham. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 13 flights from Seattle/Tacoma Intl to Bellingham, all of which are around 0h 55m 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.

  • How popular is this Seattle to Bellingham flight route?

    The Seattle/Tacoma Intl to Bellingham flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Hawaiian Airlines, at $117, 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 45% cheaper than the other options available to this destination.

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

    Consider American Airlines (86%), Qatar Airways (82%) or Japan Airlines (79%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Bellingham.

  • What are the cheapest flights from Seattle to Bellingham?

    On average you can expect to pay $179 for a flight from Seattle to Bellingham. The cheapest flight overall is $88 while the most popular route, (Seattle/Tacoma Intl - Bellingham) is currently priced at $117.

  • 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 $462). 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 Bellingham?

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

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Alternative routes for Seattle to Bellingham

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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 julio 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$137Average$238FlexibilityNo cancel feeOn-time75%

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