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Santa Rosa

$373+ Cheap flights from Bellingham to Santa Rosa (BLI - STS)

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — STS
Mar 12 — Mar 191
Thu 3/12
Thu 3/19
1 adult, Economy
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Cheap flight deals from Bellingham to Santa Rosa

Cheapest flights from Bellingham to Santa Rosa
Explore the most affordable flight options available from Bellingham to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 10, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:56 pm
BLI
-
STS
1 stop6h 14m
Alaska Airlines
Mon 8/247:12 am
STS
-
BLI
1 stop16h 53m
Alaska Airlines
Deal found 2/9$373
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 7/156:00 am
BLI
-
STS
1 stop4h 10m
Alaska Airlines
Sat 7/187:15 pm
STS
-
BLI
1 stop3h 36m
Alaska Airlines
Deal found 2/8$378
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 2/2211:53 am
BLI
-
STS
1 stop11h 57m
Alaska Airlines
Thu 2/266:50 pm
STS
-
BLI
2 stops16h 23m
Alaska Airlines
Deal found 2/6$678

Find flight deals from Bellingham to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Bellingham (BLI) to Santa Rosa (STS). 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 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$373
(Alaska Airlines)

Popular in

January

Cheapest in

July

Average price

$290
Provider with most accurate pricing for Bellingham-Santa Rosa Sonoma County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bellingham-Santa Rosa Sonoma County flights.
Search Deals
From Bellingham to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($34 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 Bellingham to Santa Rosa 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 10, 2026.
Use the filters below to find and compare flights from Bellingham to Santa Rosa that are best for you.

Fly from

Bellingham

Fly to

Santa Rosa

Route

Depart

Return

Price

BellinghamSanta Rosa

BLI - STS

BLISTS

Bellingham

Wed 7/15

6:00 am-10:10 am

1 stop4h 10m

Santa Rosa Sonoma County

Sat 7/18

11:02 am-12:09 am

1 stop13h 07m

$373

BellinghamSanta Rosa

BLI - STS

BLISTS

Bellingham

Sun 2/22

11:53 am-11:50 pm

1 stop11h 57m

Santa Rosa Sonoma County

Thu 2/26

6:50 pm-11:13 am

2 stops16h 23m

$678

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Compare providers for flights from Bellingham to Santa Rosa

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 Bellingham to Santa Rosa in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Bellingham-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bellingham-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bellingham-Santa Rosa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bellingham-Santa Rosa 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 Bellingham-Santa Rosa 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 Bellingham to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Bellingham 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 Bellingham to Santa Rosa

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

Currently, July is the cheapest month in which you can book a flight from Bellingham to Santa Rosa (average of $78). Flying from Bellingham to Santa Rosa in November is currently the most expensive (average of $222). 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 Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. 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 Santa Rosa. Reviews last updated February 10, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines from Bellingham to Santa Rosa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,871 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
8.0
Very good
11,871 reviews
Alaska Airlines
8.0
Very good
11,871 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Find useful and relevant information for your journey from Bellingham to Santa Rosa. 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 Bellingham to Santa Rosa?

    There are many flights that can get you from Bellingham to Santa Rosa in 4h 10m. 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 Bellingham to Santa Rosa round-trip?

    Alaska Airlines, at $274, was found to be the cheapest airline from Bellingham to Santa Rosa..

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Bellingham to Santa Rosa (average of $78). Flying from Bellingham to Santa Rosa in November is currently the most expensive (average of $222). 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 Santa Rosa?

Book flights to Santa Rosa if you plan to visit one of these locations
Fort Bragg
Ukiah

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Top airline flying from Bellingham to Santa Rosa

Discover the top airline that operate flights from Bellingham to Santa Rosa. 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 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$274Average$313FlexibilityNo cancel feeOn-time75%

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