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$338+ Cheap flights from Santa Rosa to Bellingham (STS - 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
STS — BLI
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
1 adult, Economy
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Cheap flight deals from Santa Rosa to Bellingham

Cheapest flights from Santa Rosa to Bellingham
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 February 17, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/17. 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 3/107:57 pm
STS
-
BLI
1 stop15h 16m
Alaska Airlines
Tue 3/173:55 pm
BLI
-
STS
1 stop18h 35m
Alaska Airlines
Deal found 2/17$338
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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.
Tue 3/37:57 pm
STS
-
BLI
1 stop15h 16m
Alaska Airlines
Sat 3/711:53 am
BLI
-
STS
1 stop9h 59m
Alaska Airlines
Deal found 2/16$599
This Alaska Airlines deal was found by Cheapflights users on 2/13. 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 2/276:50 pm
STS
-
BLI
2 stops16h 23m
Alaska Airlines
Mon 3/24:19 pm
BLI
-
STS
1 stop7h 31m
Alaska Airlines
Deal found 2/13$603

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 February 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$338
(Alaska Airlines)

Popular in

February

Cheapest in

September

Average price

$648
Provider with most accurate pricing for Santa Rosa Sonoma County-Bellingham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Bellingham flights.
Search Deals
From Santa Rosa Sonoma County to Bellingham
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 2,558,603 searches. Data last updated February 17, 2026.
Use the filters below to find and compare flights from Santa Rosa to Bellingham that are best for you.

Fly from

Santa Rosa

Fly to

Bellingham

Route

Depart

Return

Price

Santa RosaBellingham

STS - BLI

STSBLI

Santa Rosa Sonoma County

Tue 3/10

7:57 pm-11:13 am

1 stop15h 16m

Bellingham

Tue 3/17

3:55 pm-10:30 am

1 stop18h 35m

$338

Santa RosaBellingham

STS - BLI

STSBLI

Santa Rosa Sonoma County

Tue 3/3

7:57 pm-11:13 am

1 stop15h 16m

Bellingham

Sat 3/7

11:53 am-9:52 pm

1 stop9h 59m

$599

Santa RosaBellingham

STS - BLI

STSBLI

Santa Rosa Sonoma County

Fri 2/27

6:50 pm-11:13 am

2 stops16h 23m

Bellingham

Mon 3/2

4:19 pm-11:50 pm

1 stop7h 31m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

  • 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.
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 Santa Rosa to Bellingham

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

Currently, January is the cheapest month in which you can book a flight from Santa Rosa to Bellingham (average of $68). Flying from Santa Rosa to Bellingham in November is currently the most expensive (average of $109). 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.

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 February 17, 2026.
Read through reviews of airlines operating flights from Santa Rosa to Bellingham, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,895 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,895 reviews
Alaska Airlines
8.0
Very good
11,895 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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.

  • How long is the flight from Santa Rosa to Bellingham?

    There are many flights that can get you from Santa Rosa to Bellingham in 15h 16m. Fly via Alaska Airlines to get the fastest option. Airlines will cover a distance of 710 mi.

  • What is the cheapest airline to fly from Santa Rosa to Bellingham round-trip?

    Alaska Airlines, at $282, was found to be the cheapest airline from Santa Rosa to Bellingham..

  • Can I find deals for flights from Santa Rosa to Bellingham that include hotel bookings?

    Yes. In addition to deals on Santa Rosa to Bellingham flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to Bellingham?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Bellingham.

  • Can I find deals for business class flights from Santa Rosa to Bellingham?

    Yes. Cheapflights offers flight deals from Santa Rosa 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 Santa Rosa to Bellingham?

    Currently, January is the cheapest month in which you can book a flight from Santa Rosa to Bellingham (average of $68). Flying from Santa Rosa to Bellingham in November is currently the most expensive (average of $109). 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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Top airline flying from Santa Rosa to Bellingham

Discover the top airline that operate flights from Santa Rosa 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 February 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$282Average$407FlexibilityNo cancel feeOn-time75%

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