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$305+ Cheap flights from Butte to San Diego (BTM - SAN)

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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
BTM — SAN
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Butte to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Butte (BTM) to San Diego (SAN). 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 January 15, 2026.

Round-trip from

$305
(Delta)
From Butte Silver Bow Co to San Diego
Search Deals

Find flight deals from Butte to San Diego

Cheapest flights from Butte to San Diego
Explore the most affordable flight options available from Butte to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:10 pm
BTM
-
SAN
1 stop6h 38m
Delta
Tue 2/39:55 am
SAN
-
BTM
1 stop6h 16m
Delta
Deal found 1/14$305
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/236:10 pm
BTM
-
SAN
1 stop6h 38m
Delta
Mon 1/269:55 am
SAN
-
BTM
1 stop6h 16m
Delta
Deal found 1/14$395
This United Airlines deal was found by Cheapflights users on 1/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/249:14 am
BTM
-
SAN
1 stop6h 50m
United Airlines
Tue 1/274:10 pm
SAN
-
BTM
1 stop5h 35m
United Airlines
Deal found 1/12$420
This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:00 am
BTM
-
SAN
1 stop5h 53m
United Airlines
Tue 5/264:10 pm
SAN
-
BTM
1 stop5h 12m
United Airlines
Deal found 1/15$436
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/309:14 am
BTM
-
SAN
1 stop6h 50m
United Airlines
Tue 2/34:00 pm
SAN
-
BTM
2 stops29h 45m
United Airlines
Deal found 1/14$462
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/236:10 pm
BTM
-
SAN
2 stops29h 37m
Delta
Tue 1/279:55 am
SAN
-
BTM
1 stop6h 16m
Delta
Deal found 1/14$478
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/279:14 am
BTM
-
SAN
1 stop6h 50m
United Airlines
Sat 1/316:00 pm
SAN
-
BTM
2 stops27h 45m
United Airlines
Deal found 1/14$517

Cheapflights Fare Finder

 
Customize your flight search to find flights from Butte to San Diego 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 January 15, 2026.
Use the filters below to find and compare flights from Butte to San Diego that are best for you.

Fly from

Butte

Fly to

San Diego

Route

Depart

Return

Price

ButteSan Diego

BTM - SAN

BTMSAN

Butte Silver Bow Co

Fri 1/30

6:10 pm-11:48 pm

1 stop6h 38m

San Diego

Tue 2/3

9:55 am-5:11 pm

1 stop6h 16m

$305

ButteSan Diego

BTM - SAN

BTMSAN

Butte Silver Bow Co

Tue 1/27

9:14 am-3:04 pm

1 stop6h 50m

San Diego

Sat 1/31

4:10 pm-10:45 pm

1 stop5h 35m

$420

ButteSan Diego

BTM - SAN

BTMSAN

Butte Silver Bow Co

Thu 5/21

10:00 am-11:44 pm

2 stops14h 44m

San Diego

Tue 5/26

4:10 pm-10:22 pm

1 stop5h 12m

$453

ButteSan Diego

BTM - SAN

BTMSAN

Butte Silver Bow Co

Fri 1/30

9:14 am-3:04 pm

1 stop6h 50m

San Diego

Tue 2/3

4:00 pm-10:45 pm

2 stops29h 45m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Best time to book a flight from Butte to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Butte 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 Butte to San Diego

What is the cheapest month to book a flight from Butte to San Diego?

Currently, May is the cheapest month in which you can book a flight from Butte to San Diego (average of $110). Flying from Butte to San Diego in January is currently the most expensive (average of $176). 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 San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated January 15, 2026.
Get a feel of what it's like to fly with United Airlines from Butte to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,163 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,163 reviews
United Airlines
7.4
Good
9,163 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Butte to San Diego. 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 Butte to San Diego?

    For as low as $305, Delta can have you in San Diego from Butte in 6h 38m. There are 946 mi between Butte and San Diego. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Butte to San Diego round-trip?

    According to our current data, United Airlines ($324), offers the cheapest pricing from Butte to San Diego.

  • Can I find deals for flights from Butte to San Diego that include hotel bookings?

    Yes. In addition to deals on Butte to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Butte to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Butte to San Diego.

  • Can I find deals for business class flights from Butte to San Diego?

    Yes. Cheapflights offers flight deals from Butte to San Diego 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 Butte to San Diego?

    Currently, May is the cheapest month in which you can book a flight from Butte to San Diego (average of $110). Flying from Butte to San Diego in January is currently the most expensive (average of $176). 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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Top airline flying from Butte to San Diego

Discover the top airline that operate flights from Butte to San Diego. 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$324Average$509FlexibilityNo cancel feeOn-time69%

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