$247 Cheap Flights from San Diego (SAN) to Butte (BTM)

View $247 flight on Mon, Mar 2, 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Butte, MT (BTM-Bert Mooney)

Cheap Flights from San Diego to Butte (SAN-BTM)

Prices were available within the past 7 days and start at $247 for one-way flights and $254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, May 8 - Mon, May 11
SAN
San Diego
BTM
Butte
$254 Roundtrip, found 1 hour ago
$254
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, May 8 from San Diego to Butte, returning Mon, May 11, priced at $254 found 1 hour ago
Delta
Tue, Apr 7 - Sat, Apr 11
SAN
San Diego
BTM
Butte
$279 Roundtrip, found 2 hours ago
$279
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Apr 7 from San Diego to Butte, returning Sat, Apr 11, priced at $279 found 2 hours ago
United
Fri, Apr 10 - Mon, Apr 13
SAN
San Diego
BTM
Butte
$280 Roundtrip, found 2 hours ago
$280
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Apr 10 from San Diego to Butte, returning Mon, Apr 13, priced at $280 found 2 hours ago
United
Fri, May 8 - Mon, May 11
SAN
San Diego
BTM
Butte
$289 Roundtrip, found 1 hour ago
$289
Roundtrip
found 1 hour ago
Select United flight, departing Fri, May 8 from San Diego to Butte, returning Mon, May 11, priced at $289 found 1 hour ago
United
Fri, Apr 3 - Mon, Apr 6
SAN
San Diego
BTM
Butte
$302 Roundtrip, found 1 hour ago
$302
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Apr 3 from San Diego to Butte, returning Mon, Apr 6, priced at $302 found 1 hour ago
Delta
Thu, Nov 13 - Mon, Nov 17
SAN
San Diego
BTM
Butte
$304 Roundtrip, found 3 days ago
$304
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Nov 13 from San Diego to Butte, returning Mon, Nov 17, priced at $304 found 3 days ago
Delta
Tue, Mar 31 - Sat, Apr 4
SAN
San Diego
BTM
Butte
$314 Roundtrip, found 2 hours ago
$314
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Mar 31 from San Diego to Butte, returning Sat, Apr 4, priced at $314 found 2 hours ago
Delta
Fri, May 8 - Mon, May 11
SAN
San Diego
BTM
Butte
$324 Roundtrip, found 1 hour ago
$324
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, May 8 from San Diego to Butte, returning Mon, May 11, priced at $324 found 1 hour ago
Delta
Tue, May 5 - Fri, May 8
SAN
San Diego
BTM
Butte
$333 Roundtrip, found 2 hours ago
$333
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, May 5 from San Diego to Butte, returning Fri, May 8, priced at $333 found 2 hours ago
Delta
Wed, Nov 12 - Wed, Nov 19
SAN
San Diego
BTM
Butte
$349 Roundtrip, found 2 days ago
$349
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Nov 12 from San Diego to Butte, returning Wed, Nov 19, priced at $349 found 2 days ago

Alternative airports near Butte

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bert Mooney BTM. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $405
BTM
Bert Mooney
CheapestClosest
Average driving time to city center8 min
Flights from $405
Flights from San Diego (SAN) to Butte (BTM)
Origin airport
San Diego Intl.
Destination airport
Bert Mooney
Airlines serving
Delta, United
Roundtrip price
$254
Distance
946 mi

San Diego to Butte Flights

The cheapest times to fly from San Diego to Butte

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 San Diego to Butte are during the month of May. You can find some of the cheapest flights from San Diego to Butte with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Butte

Sunday is one of the best days to book for cheap flights from San Diego to Butte: 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 San Diego to Butte

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 San Diego to Butte in 2025. You can also book with separate airlines for your outbound and return journeys, from $247 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 San Diego to Butte 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 San Diego to Butte 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.

 

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Bert Mooney Airport (BTM) cost?
Snag a cheap one-way flight from $247 or cheap return flight from $254 from San Diego Intl. Airport (SAN) to Bert Mooney Airport (BTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to Bert Mooney Airport (BTM)?
May is the least expensive month to fly from SAN to BTM. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Bert Mooney Airport (BTM)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from SAN to BTM. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from San Diego Intl. Airport (SAN) to Bert Mooney Airport (BTM)?
Nonstop flights from San Diego Intl. Airport (SAN) to Bert Mooney Airport (BTM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SAN to BTM?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Bert Mooney Airport (BTM)?
To touch down at Bert Mooney Airport (BTM) on time, choose a flight that takes off from San Diego Intl. Airport (SAN) 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 San Diego Intl. Airport (SAN) to Bert Mooney Airport (BTM) last-minute?
Booking your ticket from SAN to BTM right before your journey is generally more expensive. But if you're flexible with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SAN to BTM flight and hotel package?
Opting for a SAN to BTM flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our impressive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Bert Mooney Airport (BTM)?
If you booked your SAN to BTM flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. 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.

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*Available to One Key members.