$226+ Cheap flights from Santa Rosa to Bellingham (STS - 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
STS — BLI
Sep 18 — Sep 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Santa Rosa 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Santa Rosa to Bellingham
Cheapest
Best
Last-minute
One-way
Cheapest flights from Santa Rosa to BellinghamExplore the most affordable flight options available from Santa Rosa to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
Explore the most affordable flight options available from Santa Rosa to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Tue 11/107:00 am -
1 stop6h 18m
Fri 11/131:58 pm -
2 stops19h 50m
Deal found 8/19![Alaska Airlines logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 10/317:00 am -
1 stop6h 37m
Wed 11/48:33 am -
2 stops25h 15m
Deal found 8/14![Alaska Airlines logo]()
$394
This Expedia deal was found by Cheapflights users on 8/16. 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.
Tue 10/67:00 am -
1 stop6h 37m
Sun 10/112:17 pm -
1 stop7h 39m
Deal found 8/16![Alaska Airlines logo]()
$406
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 9/25:34 pm -
1 stop6h 25m
Sun 9/67:30 am -
1 stop9h 26m
Deal found 8/18![Alaska Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Sun 10/187:00 am -
1 stop6h 37m
Thu 10/227:18 pm -
2 stops48h 07m
Deal found 8/16![Alaska Airlines logo]()
$555
Best flights from Santa Rosa to BellinghamDiscover carefully curated flight deals from Santa Rosa to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
Discover carefully curated flight deals from Santa Rosa to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 10/315:06 pm -
1 stop6h 47m
Wed 11/412:46 pm -
1 stop20h 26m
Deal found 8/14![Alaska Airlines logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Tue 11/107:00 am -
1 stop6h 18m
Fri 11/138:33 am -
1 stop24h 39m
Deal found 8/19![Alaska Airlines logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 9/25:34 pm -
1 stop6h 25m
Sun 9/67:30 am -
1 stop9h 26m
Deal found 8/18![Alaska Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 10/187:00 am -
1 stop6h 37m
Thu 10/227:18 pm -
2 stops48h 07m
Deal found 8/18![Alaska Airlines logo]()
$555
This Booking.com deal was found by Cheapflights users on 8/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:03 am -
1 stop16h 41m
Sat 9/197:26 pm -
1 stop26h 33m
Deal found 8/18![Alaska Airlines logo]()
$593
Last-minute flights from Santa Rosa to BellinghamDiscover last-minute flight deals from Santa Rosa to Bellingham. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Bellingham. Data last updated August 19, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 9/25:34 pm -
1 stop6h 25m
Sun 9/67:30 am -
1 stop9h 26m
Deal found 8/18![Alaska Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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.
Fri 9/45:34 pm -
1 stop6h 25m
Mon 9/77:19 pm -
1 stop26h 40m
Deal found 8/15![Alaska Airlines logo]()
$948
This Booking.com deal was found by Cheapflights users on 8/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:16 am -
2 stops17h 28m
Sat 9/197:26 pm -
1 stop26h 33m
Deal found 8/18![Alaska Airlines logo]()
$561
One-way flights from Santa Rosa to BellinghamSearch for one-way flight options from Santa Rosa to Bellingham. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
Search for one-way flight options from Santa Rosa to Bellingham. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This Priceline deal was found by Cheapflights users on 8/19. 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 9/225:00 pm -
1 stop5h 31m
Deal found 8/19![Alaska Airlines logo]()
$226
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:25 am -
2 stops11h 24m
Deal found 8/19![American Airlines logo]()
$231
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 9/216:47 pm -
2 stops27h 44m
Deal found 8/18![Alaska Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 11/118:40 am -
3 stops28h 38m
Deal found 8/19![Multiple Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Mon 9/211:40 pm -
3 stops34h 04m
Deal found 8/19![Multiple Airlines logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Tue 9/225:34 pm -
3 stops44h 07m
Deal found 8/19![Multiple Airlines logo]()
$555
Find flight deals from Santa Rosa to Bellingham
Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) 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 August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $390 (Alaska Airlines) |
One-way from | $226 (Priceline) |
Popular in | July |
Cheapest in | March |
Average price | $513 |
Cheapflights Fare Finder
Customize your flight search to find flights from Santa Rosa 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 August 19, 2026.
Use the filters below to find and compare flights from Santa Rosa to Bellingham that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Santa RosaBellingham
STS Santa Rosa Sonoma County - BLI Bellingham
STSBLI
Santa Rosa Sonoma County
Sat 10/31
5:06 pm-11:53 pm
1 stop6h 47m
Bellingham
Wed 11/4
12:46 pm-9:12 am
1 stop20h 26m
$402
Santa RosaBellingham
STS Santa Rosa Sonoma County - BLI Bellingham
STSBLI
Santa Rosa Sonoma County
Tue 11/10
7:00 am-1:18 pm
1 stop6h 18m
Bellingham
Fri 11/13
8:33 am-9:12 am
1 stop24h 39m
$402
Quickest round-trip
Santa RosaBellingham
STS Santa Rosa Sonoma County - BLI Bellingham
STSBLI
Santa Rosa Sonoma County
Wed 9/2
5:34 pm-11:59 pm
1 stop6h 25m
Bellingham
Sun 9/6
7:30 am-4:56 pm
1 stop9h 26m
$427
Santa RosaBellingham
STS Santa Rosa Sonoma County - BLI Bellingham
STSBLI
Santa Rosa Sonoma County
Sun 10/18
7:00 am-1:37 pm
1 stop6h 37m
Bellingham
Thu 10/22
7:18 pm-7:25 pm
2 stops48h 07m
$555
Santa RosaBellingham
STS Santa Rosa Sonoma County - BLI Bellingham
STSBLI
Santa Rosa Sonoma County
Thu 9/17
7:03 am-11:44 pm
1 stop16h 41m
Bellingham
Sat 9/19
7:26 pm-9:59 pm
1 stop26h 33m
$593
Cheapest one-way
Santa RosaBellingham
STS Santa Rosa Sonoma County - BLI Bellingham
STSBLI
Santa Rosa Sonoma County
Wed 11/11
5:23 pm-11:45 pm
1 stop6h 22m
$226
Quickest one-way
Santa RosaBellingham
STS Santa Rosa Sonoma County - BLI Bellingham
STSBLI
Santa Rosa Sonoma County
Tue 9/22
5:00 pm-10:31 pm
1 stop5h 31m
$226
Santa RosaBellingham
STS Santa Rosa Sonoma County - BLI Bellingham
STSBLI
Santa Rosa Sonoma County
Mon 9/21
6:47 pm-10:31 pm
2 stops27h 44m
$269
Santa RosaBellingham
STS Santa Rosa Sonoma County - BLI Bellingham
STSBLI
Santa Rosa Sonoma County
Wed 11/11
8:40 am-1:18 pm
3 stops28h 38m
$518
Santa RosaBellingham
STS Santa Rosa Sonoma County - BLI Bellingham
STSBLI
Santa Rosa Sonoma County
Mon 9/21
1:40 pm-11:44 pm
3 stops34h 04m
$548
Showing 1-10 of 11 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Santa Rosa-Bellingham flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Bellingham flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Bellingham flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Santa Rosa-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 Santa Rosa-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 Santa Rosa to Bellingham
Have a flexible travel schedule? Discover the best time to fly to Bellingham from Santa Rosa with our price prediction graph.
STS-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.
Related info for your journey
Find useful and relevant information for your journey from Santa Rosa 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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Bellingham flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Santa Rosa
Popular flights