$139+ Cheap flights from Seattle to Bellingham (SEA - BLI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLI
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Bellingham with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Bellingham
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Best
Last-minute
One-way
Cheapest flights from Seattle to BellinghamExplore 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 October 30, 2026.
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 October 30, 2026.
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:50 pm -
Nonstop1h 01m
Wed 12/97:31 pm -
Nonstop0h 57m
Deal found 10/27![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 12/212:22 pm -
Nonstop1h 04m
Sun 12/67:31 pm -
Nonstop0h 57m
Deal found 10/29![Alaska Airlines logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/27:57 pm -
1 stop3h 01m
Sat 12/58:31 am -
1 stop3h 09m
Deal found 10/30![Alaska Airlines logo]()
$277
This Expedia deal was found by Cheapflights users on 10/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:23 pm -
Nonstop1h 03m
Sun 11/297:24 pm -
Nonstop0h 58m
Deal found 10/28![Alaska Airlines logo]()
$307
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2710:55 pm -
Nonstop0h 55m
Mon 12/77:31 pm -
Nonstop0h 57m
Deal found 10/30![Alaska Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 11/3010:55 pm -
Nonstop0h 55m
Fri 12/47:31 pm -
Nonstop0h 57m
Deal found 10/28![Alaska Airlines logo]()
$337
This Priceline deal was found by Cheapflights users on 10/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:23 am -
1 stop4h 15m
Sat 11/287:24 pm -
Nonstop0h 58m
Deal found 10/29![Alaska Airlines logo]()
$347
Best flights from Seattle to BellinghamDiscover carefully curated flight deals from Seattle to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Seattle to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/212:22 pm -
Nonstop1h 04m
Sun 12/67:31 pm -
Nonstop0h 57m
Deal found 10/30![Alaska Airlines logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/27:57 pm -
1 stop3h 01m
Sat 12/58:31 am -
1 stop3h 09m
Deal found 10/30![Alaska Airlines logo]()
$277
This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/258:47 am -
1 stop3h 05m
Fri 1/2912:32 pm -
1 stop6h 08m
Deal found 10/30![Alaska Airlines logo]()
$278
Last-minute flights from Seattle to BellinghamDiscover last-minute flight deals from Seattle to Bellingham. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bellingham. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:13 pm -
1 stop11h 34m
Mon 11/98:59 pm -
2 stops45h 34m
Deal found 10/30![Multiple Airlines logo]()
$417
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:50 pm -
Nonstop0h 55m
Mon 11/167:29 pm -
Nonstop0h 57m
Deal found 10/28![Alaska Airlines logo]()
$397
This Trip.com deal was found by Cheapflights users on 10/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:51 pm -
1 stop4h 39m
Sun 11/151:58 pm -
Nonstop0h 57m
Deal found 10/27![Alaska Airlines logo]()
$434
This Expedia deal was found by Cheapflights users on 10/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:23 pm -
Nonstop1h 03m
Sun 11/297:24 pm -
Nonstop0h 58m
Deal found 10/28![Alaska Airlines logo]()
$307
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2710:55 pm -
Nonstop0h 55m
Mon 12/77:31 pm -
Nonstop0h 57m
Deal found 10/30![Alaska Airlines logo]()
$317
This Priceline deal was found by Cheapflights users on 10/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:23 am -
1 stop4h 15m
Sat 11/287:24 pm -
Nonstop0h 58m
Deal found 10/29![Alaska Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 11/3010:55 pm -
Nonstop0h 55m
Fri 12/47:31 pm -
Nonstop0h 57m
Deal found 10/28![Alaska Airlines logo]()
$337
One-way flights from Seattle to BellinghamSearch for one-way flight options from Seattle to Bellingham. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Seattle to Bellingham. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Priceline deal was found by Cheapflights users on 10/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:59 pm -
1 stop3h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Alaska Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/286:33 pm -
1 stop14h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:48 pm -
2 stops36h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$213
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:50 pm -
Nonstop0h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:18 am -
2 stops9h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$359
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/283:54 pm -
2 stops6h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Alaska Airlines logo]()
$396
Find 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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Alaska Airlines) |
One-way from | $139 (Priceline) |
Popular in | December |
Cheapest in | November |
Average price | $306 |
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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Seattle to Bellingham that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBellingham
SEA Seattle/Tacoma Intl - BLI Bellingham
SEABLI
Seattle/Tacoma Intl
Wed 11/25
8:59 pm-11:59 pm
1 stop3h 00m
Bellingham
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
Quickest round-trip
SeattleBellingham
SEA Seattle/Tacoma Intl - BLI Bellingham
SEABLI
Seattle/Tacoma Intl
Thu 1/28
4:26 pm-5:21 pm
Nonstop0h 55m
Bellingham
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
SeattleBellingham
SEA Seattle/Tacoma Intl - BLI Bellingham
SEABLI
Seattle/Tacoma Intl
Wed 12/2
12:22 pm-1:26 pm
Nonstop1h 04m
Bellingham
Sun 12/6
7:31 pm-8:28 pm
Nonstop0h 57m
$222
SeattleBellingham
SEA Seattle/Tacoma Intl - BLI Bellingham
SEABLI
Seattle/Tacoma Intl
Wed 12/2
7:57 pm-10:58 pm
1 stop3h 01m
Bellingham
Sat 12/5
8:31 am-11:40 am
1 stop3h 09m
$277
SeattleBellingham
SEA Seattle/Tacoma Intl - BLI Bellingham
SEABLI
Seattle/Tacoma Intl
Mon 1/25
8:47 am-11:52 am
1 stop3h 05m
Bellingham
Fri 1/29
12:32 pm-6:40 pm
1 stop6h 08m
$278
SeattleBellingham
SEA Seattle/Tacoma Intl - BLI Bellingham
SEABLI
Seattle/Tacoma Intl
Wed 11/25
1:52 pm-10:41 am
2 stops20h 49m
Bellingham
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
SeattleBellingham
SEA Seattle/Tacoma Intl - BLI Bellingham
SEABLI
Seattle/Tacoma Intl
Wed 11/4
10:50 pm-11:45 pm
Nonstop0h 55m
Bellingham
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
SeattleBellingham
SEA Seattle/Tacoma Intl - BLI Bellingham
SEABLI
Seattle/Tacoma Intl
Thu 1/28
9:59 am-9:22 am
3 stops23h 23m
Bellingham
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$361
SeattleBellingham
SEA Seattle/Tacoma Intl - BLI Bellingham
SEABLI
Seattle/Tacoma Intl
Wed 11/4
4:27 pm-8:47 am
3 stops40h 20m
Bellingham
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$437
Sorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
SEA-BLI
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
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 October 30, 2026.
Read reviews from past customers who have flown Alaska 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.
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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.
Traveling to a place near Bellingham?
Book flights to Bellingham if you plan to visit one of these locationsMount Vernon
Ferndale
Blaine
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Other flights to Bellingham
Explore flights to Bellingham departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Complete your trip
Complete your trip to Bellingham by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Seattle to Bellingham, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Bellingham flights
Browse other Seattle and Bellingham flight options. Last updated on October 30, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$197 | Average$237 | FlexibilityNo cancel fee | On-time75% |