$156 Cheap Flights from Bellingham (BLI) to San Antonio (SAT)

View $156 flight on Sun, Jan 18, 2026Opens in a new window

Popular airlines from Bellingham, WA (BLI-Bellingham Intl.) to San Antonio International Airport (SAT)

Cheap Flights from Bellingham to San Antonio (BLI-SAT)

Prices were available within the past 7 days and start at $156 for one-way flights and $318 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Jun 2 - Tue, Jun 16
BLI
Bellingham
SAT
San Antonio
$318 Roundtrip, found 3 days ago
$318
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Jun 2 from Bellingham to San Antonio, returning Tue, Jun 16, priced at $318 found 3 days ago
Alaska Airlines
Thu, Jul 9 - Tue, Jul 21
BLI
Bellingham
SAT
San Antonio
$375 Roundtrip, found 3 days ago
$375
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Jul 9 from Bellingham to San Antonio, returning Tue, Jul 21, priced at $375 found 3 days ago
Alaska Airlines
Sun, Feb 1 - Sat, Feb 28
BLI
Bellingham
SAT
San Antonio
$381 Roundtrip, found 1 day ago
$381
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Feb 1 from Bellingham to San Antonio, returning Sat, Feb 28, priced at $381 found 1 day ago
American Airlines
Tue, Jun 30 - Tue, Jul 7
BLI
Bellingham
SAT
San Antonio
$417 Roundtrip, found 4 days ago
$417
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jun 30 from Bellingham to San Antonio, returning Tue, Jul 7, priced at $417 found 4 days ago
Alaska Airlines
Tue, Jun 2 - Tue, Jun 9
BLI
Bellingham
SAT
San Antonio
$418 Roundtrip, found 4 days ago
$418
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Jun 2 from Bellingham to San Antonio, returning Tue, Jun 9, priced at $418 found 4 days ago
Alaska Airlines
Tue, Jun 2 - Sun, Jun 21
BLI
Bellingham
SAT
San Antonio
$421 Roundtrip, found 3 days ago
$421
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Jun 2 from Bellingham to San Antonio, returning Sun, Jun 21, priced at $421 found 3 days ago
Alaska Airlines
Wed, Jun 10 - Wed, Jun 24
BLI
Bellingham
SAT
San Antonio
$428 Roundtrip, found 3 days ago
$428
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Jun 10 from Bellingham to San Antonio, returning Wed, Jun 24, priced at $428 found 3 days ago
American Airlines
Tue, Jul 28 - Tue, Aug 4
BLI
Bellingham
SAT
San Antonio
$434 Roundtrip, found 4 days ago
$434
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jul 28 from Bellingham to San Antonio, returning Tue, Aug 4, priced at $434 found 4 days ago
Alaska Airlines
Tue, Jun 23 - Tue, Jul 7
BLI
Bellingham
SAT
San Antonio
$441 Roundtrip, found 3 days ago
$441
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Jun 23 from Bellingham to San Antonio, returning Tue, Jul 7, priced at $441 found 3 days ago
Alaska Airlines
Sun, Feb 1 - Sat, Feb 28
BLI
Bellingham
SAT
San Antonio
$464 Roundtrip, found 1 day ago
$464
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Feb 1 from Bellingham to San Antonio, returning Sat, Feb 28, priced at $464 found 1 day ago

Frequently asked questions

How much does a flight from Bellingham Intl. Airport (BLI) to San Antonio Intl. Airport (SAT) cost?
Lock in a cheap one-way flight from $156 or cheap return flight from $318 from Bellingham Intl. Airport (BLI) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Bellingham Intl. Airport (BLI) to San Antonio Intl. Airport (SAT)?
Traveling in June may help you find better deals, as it's the cheapest month for flights between BLI and SAT. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Bellingham Intl. Airport (BLI) to San Antonio Intl. Airport (SAT)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BLI to SAT flight.
How many flights per day from Bellingham Intl. Airport (BLI) to San Antonio Intl. Airport (SAT)?
There are no daily direct flights departing from Bellingham Intl. Airport (BLI) to San Antonio Intl. Airport (SAT). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BLI to SAT?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bellingham Intl. Airport (BLI) to San Antonio Intl. Airport (SAT)?
To arrive at San Antonio Intl. Airport (SAT) on schedule, book a flight that takes off from Bellingham Intl. Airport (BLI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bellingham Intl. Airport (BLI) to San Antonio Intl. Airport (SAT) last-minute?
Last-minute fares from BLI to SAT are typically more expensive. To secure the best prices, start looking for flights early. That being said, if you're flexible with your travel plans, you may find a cheap fare right before your trip.
Is it cheaper to book a BLI to SAT flight and hotel package?
Securing a BLI to SAT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bellingham Intl. Airport (BLI) to San Antonio Intl. Airport (SAT)?
If you reserved your BLI to SAT flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Bellingham Intl.
Destination airport
San Antonio Intl.
Roundtrip price
$318
Distance
1837 mi

Book with confidence

Bellingham to San Antonio Flights

The cheapest times to fly from Bellingham to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bellingham to San Antonio are during the month of June. You can find some of the cheapest flights from Bellingham to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bellingham to San Antonio

Sunday is one of the best days to book for cheap flights from Bellingham to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bellingham to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bellingham to San Antonio in 2026. You can also book with separate airlines for your outbound and return journeys, from $156 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bellingham to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bellingham to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Bellingham to San Antonio Flights

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*Available to One Key members.