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$248+ Cheap flights from San Diego to Billings (SAN - BIL)

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BIL
Dec 25 — Jan 11
Thu 12/25
Thu 1/1
1 adult, Economy
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Cheap flight deals from San Diego to Billings

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Billings (BIL). 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 November 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$248
(American Airlines)

Popular in

February

Cheapest in

April

Average price

$321
Provider with most accurate pricing for San Diego-Billings Logan Intl flight deals.
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Provider most trusted by Cheapflights users for San Diego-Billings Logan Intl flights.
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From San Diego to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from San Diego to Billings

Cheapest flights from San Diego to Billings
Explore the most affordable flight options available from San Diego to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 25, 2025.

This Delta deal was found by Cheapflights users on 11/22. 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.
Thu 12/115:31 pmSAN - BIL
1 stop5h 52mDelta
Thu 12/186:25 amBIL - SAN
1 stop7h 44mDelta
Deal found 11/22$330
This Delta deal was found by Cheapflights users on 11/23. 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 12/122:12 pmSAN - BIL
1 stop8h 36mDelta
Thu 12/185:14 amBIL - SAN
1 stop4h 41mDelta
Deal found 11/23$380
This Alaska Airlines deal was found by Cheapflights users on 11/24. 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 12/94:25 pmSAN - BIL
1 stop6h 43mAlaska Airlines
Sat 12/136:00 amBIL - SAN
2 stops15h 18mAlaska Airlines
Deal found 11/24$414
This Kiwi.com deal was found by Cheapflights users on 11/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:21 pmSAN - BIL
1 stop20h 17mMultiple Airlines
Mon 12/2910:14 amBIL - SAN
1 stop26h 57mMultiple Airlines
Deal found 11/24$426
This Alaska Airlines deal was found by Cheapflights users on 11/23. 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.
Thu 12/114:25 pmSAN - BIL
1 stop6h 43mAlaska Airlines
Thu 12/186:00 amBIL - SAN
2 stops11h 23mAlaska Airlines
Deal found 11/23$430
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/911:02 amSAN - BIL
2 stops9h 19mUnited Airlines
Sat 12/1310:54 amBIL - SAN
2 stops10h 54mUnited Airlines
Deal found 11/24$431
This Alaska Airlines deal was found by Cheapflights users on 11/23. 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 12/1210:01 pmSAN - BIL
2 stops15h 55mAlaska Airlines
Thu 12/1811:35 amBIL - SAN
2 stops9h 01mAlaska Airlines
Deal found 11/23$474

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Billings 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 November 25, 2025.
Use the filters below to find and compare flights from San Diego to Billings that are best for you.

Fly from

San Diego

Fly to

Billings

Route

Depart

Return

Price

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Sat 1/17

4:00 pm-10:33 pm

1 stop5h 33m

Billings Logan Intl

Wed 1/21

6:54 am-11:48 am

1 stop5h 54m

$248

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Wed 1/14

5:35 pm-11:06 am

2 stops16h 31m

Billings Logan Intl

Sun 1/18

11:47 am-8:43 pm

2 stops9h 56m

$266

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Wed 1/14

6:15 am-2:55 pm

1 stop7h 40m

Billings Logan Intl

Sun 1/18

3:35 pm-8:11 pm

1 stop5h 36m

$266

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Sat 1/17

10:35 am-11:36 pm

2 stops12h 01m

Billings Logan Intl

Wed 1/21

7:00 am-3:29 pm

1 stop9h 29m

$279

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Thu 2/12

6:15 am-11:38 pm

1 stop16h 23m

Billings Logan Intl

Mon 2/16

2:04 pm-3:46 pm

1 stop26h 42m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Compare providers for flights from San Diego to Billings

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 San Diego to Billings in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust 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 San Diego-Billings flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Billings flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Billings flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Billings flights, Cheapflights users trust eDreams the most. eDreams 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 San Diego-Billings 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 San Diego to Billings

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

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

Currently, May is the cheapest month in which you can book a flight from San Diego to Billings (average of $122). Flying from San Diego to Billings in September is currently the most expensive (average of $273). 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.

What is the cheapest time of day to fly from SAN to BIL?

Find hourly flight availability from San Diego to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 25, 2025.

It’s optimal to fly from San Diego to Billings in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated November 25, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from San Diego to Billings. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,340 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Alaska Airlines
8.0
Very good
11,340 reviews
Alaska Airlines
8.0
Very good
11,340 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,340 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
United Airlines
7.4
Good
9,043 reviews
Alaska Airlines
8.0
Very good
11,340 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

Related info for your journey

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

    For as low as $248, American Airlines can have you in Billings from San Diego in 5h 33m. The distance from San Diego to Billings is about 1013 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Diego to Billings round-trip?

    Currently priced at $219, Alaska Airlines will fly you from San Diego to Billings and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $236 and $252, respectively. Alaska Airlines is currently priced 48% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from San Diego to Billings (average of $122). Flying from San Diego to Billings in September is currently the most expensive (average of $273). 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

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Top 3 airlines flying from San Diego to Billings

Discover the top 3 airlines that operate flights from San Diego to Billings. 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 November 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$219Average$329FlexibilityNo cancel feeOn-time75%
DeltaCheapest$236Average$297FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$252Average$392FlexibilityNo cancel feeOn-time69%

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