HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Billings

$123+ Cheap flights from San Diego to Billings (SAN - BIL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BIL
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Billings with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Diego to Billings Logan Intl are usually found in April or November, booked 18 days in advance, depart on a Tuesday or Friday and return on a Friday

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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$245
(Delta)

One-way from

$123
(Delta)

Popular in

February

Cheapest in

April

Average price

$284
Provider with most accurate pricing for San Diego-Billings Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Billings Logan Intl flights.
Search Deals
From San Diego to Billings Logan Intl
Search Deals
One-way flight from San Diego to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 29, 2025.

This Delta deal was found by Cheapflights users on 4/28. 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.
Sat 5/245:02 pmSAN - BIL
1 stop4h 47mDelta
Tue 5/275:59 pmBIL - SAN
1 stop6h 54mDelta
Deal found 4/28$245
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 5/266:32 pmSAN - BIL
2 stops17h 45mAlaska Airlines
Mon 6/27:24 pmBIL - SAN
1 stop5h 35mAlaska Airlines
Deal found 4/28$320
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/266:15 amSAN - BIL
1 stop14h 21mMultiple Airlines
Mon 6/210:21 pmBIL - SAN
1 stop9h 52mMultiple Airlines
Deal found 4/28$322
This United Airlines deal was found by Cheapflights users on 4/28. 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 10/1711:08 amSAN - BIL
2 stops8h 36mUnited Airlines
Sun 10/194:15 pmBIL - SAN
2 stops8h 21mUnited Airlines
Deal found 4/28$418

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 April 29, 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 5/24

5:02 pm-10:49 pm

1 stop4h 47m

Billings Logan Intl

Tue 5/27

5:59 pm-11:53 pm

1 stop6h 54m

$245

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Mon 5/26

6:32 pm-1:17 pm

2 stops17h 45m

Billings Logan Intl

Mon 6/2

7:24 pm-11:59 pm

1 stop5h 35m

$320

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Mon 5/26

6:15 am-9:36 pm

1 stop14h 21m

Billings Logan Intl

Mon 6/2

10:21 pm-7:13 am

1 stop9h 52m

$322

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Fri 10/17

11:08 am-8:44 pm

2 stops8h 36m

Billings Logan Intl

Sun 10/19

4:15 pm-11:36 pm

2 stops8h 21m

$418

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Sat 6/14

5:04 pm-11:11 pm

1 stop5h 07m

$123

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Sun 5/4

6:15 am-9:10 am

1 stop25h 55m

$170

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Mon 5/5

7:00 am-3:07 pm

1 stop7h 07m

$250

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Mon 5/5

10:00 am-10:02 pm

2 stops11h 02m

$256

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Sun 5/4

7:45 am-8:58 pm

2 stops12h 13m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 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 San Diego-Billings flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Billings flight deals on Cheapflights vs. FlightHub >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

How far ahead should I book a flight from San Diego to Billings?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Billings. Price data was last updated on April 25, 2025.

To ensure you get the cheapest price possible for a flight from San Diego to Billings, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from San Diego to Billings (average of $396). Flying from San Diego to Billings in June is currently the most expensive (average of $560). 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 April 29, 2025.

It’s optimal to fly from San Diego to Billings in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from San Diego to Billings?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Billings. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to Billings flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Billings by month

Plan your trip to Billings by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Billings ranges from 0.5 - 2.2 inches per month. May is typically the wettest month, when rainfall can reach 2.2 in. January is typically the driest time to visit Billings when rainfall is around 0.5 in.

Temperature in Billings by month

Plan your trip to Billings by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Billings, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

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 April 29, 2025.
Alaska Airlines
8.0
Very good
9,949 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,949 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Currently priced at $245, Delta will fly you from San Diego to Billings and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and United Airlines - these airlines can fly you to your destination from $320 and $418, respectively. Delta is currently priced 42% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Diego to Billings one-way?

    $123 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $250 and $256, respectively.

  • 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, February is the cheapest month in which you can book a flight from San Diego to Billings (average of $396). Flying from San Diego to Billings in June is currently the most expensive (average of $560). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Billings

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Kalispell flights
San Francisco to Bozeman flights
San Francisco to Kalispell flights
Los Angeles to Bozeman flights
San Diego to Kalispell flights
San Francisco to Missoula flights
Ontario to Kalispell flights
San Jose to Kalispell flights
Sacramento to Bozeman flights
Los Angeles to Missoula flights
San Diego to Bozeman flights
Ontario to Bozeman flights
San Diego to Missoula flights
San Jose to Bozeman flights
San Francisco to Billings flights
Santa Ana to Kalispell flights
Santa Ana to Missoula flights
Oakland to Kalispell flights
Las Vegas to Bozeman flights
Reno to Billings flights
Santa Ana to Bozeman flights
Sacramento to Kalispell flights
Burbank to Kalispell flights
Oakland to Bozeman flights
Oakland to Missoula flights
San Jose to Billings flights
Burbank to Bozeman flights
Las Vegas to Missoula flights
San Francisco to Helena flights
Los Angeles to Great Falls flights
Medford to Kalispell flights
San Francisco to Butte flights
Reno to Bozeman flights
Ontario to Missoula flights
Los Angeles to West Yellowstone flights
San Francisco to West Yellowstone flights
Fresno to Bozeman flights
San Jose to Missoula flights
Fresno to Kalispell flights
San Jose to Helena flights
Sacramento to Billings flights
Burbank to Helena flights
Los Angeles to Billings flights
Fresno to Missoula flights
Los Angeles to Helena flights
Long Beach to Bozeman flights
Santa Barbara to Bozeman flights
Palm Springs to Bozeman flights
Ontario to Helena flights

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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$219Average$344FlexibilityNo cancel feeOn-time75%
DeltaCheapest$236Average$369FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$266Average$416FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.