HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Billings

$180+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BIL
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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.

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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$244
(Delta)

One-way from

$180
(Delta)

Popular in

February

Cheapest in

April

Average price

$448
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. 24% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 8, 2026.

This Delta deal was found by Cheapflights users on 1/8. 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 1/2911:00 amSAN - BIL
2 stops10h 31mDelta
Thu 2/511:50 amBIL - SAN
2 stops11h 52mDelta
Deal found 1/8$244
This Alaska Airlines deal was found by Cheapflights users on 1/8. 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 1/294:01 pmSAN - BIL
1 stop6h 35mAlaska Airlines
Thu 2/57:00 amBIL - SAN
1 stop11h 20mAlaska Airlines
Deal found 1/8$253
This Alaska Airlines deal was found by Cheapflights users on 1/7. 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 2/54:01 pmSAN - BIL
1 stop6h 35mAlaska Airlines
Sun 2/82:02 pmBIL - SAN
1 stop21h 05mAlaska Airlines
Deal found 1/7$289
This Delta deal was found by Cheapflights users on 1/8. 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 2/1210:59 amSAN - BIL
2 stops10h 27mDelta
Mon 2/165:10 amBIL - SAN
1 stop4h 38mDelta
Deal found 1/8$302
This Delta deal was found by Cheapflights users on 1/8. 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.
Wed 7/155:00 pmSAN - BIL
1 stop4h 27mDelta
Tue 7/215:45 amBIL - SAN
1 stop4h 14mDelta
Deal found 1/8$311
This Alaska Airlines deal was found by Cheapflights users on 1/7. 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 2/126:15 amSAN - BIL
1 stop16h 23mAlaska Airlines
Mon 2/163:32 pmBIL - SAN
2 stops30h 42mAlaska Airlines
Deal found 1/7$331

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 January 8, 2026.
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

Thu 1/29

11:00 am-10:31 pm

2 stops10h 31m

Billings Logan Intl

Thu 2/5

11:50 am-10:42 pm

2 stops11h 52m

$244

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Thu 1/29

4:01 pm-11:36 pm

1 stop6h 35m

Billings Logan Intl

Thu 2/5

7:00 am-5:20 pm

1 stop11h 20m

$253

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Thu 2/5

11:49 am-11:36 pm

1 stop10h 47m

Billings Logan Intl

Sun 2/8

2:02 pm-8:58 pm

1 stop7h 56m

$289

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Thu 2/12

10:59 am-10:26 pm

2 stops10h 27m

Billings Logan Intl

Mon 2/16

5:10 am-8:48 am

1 stop4h 38m

$302

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Mon 3/30

5:01 pm-10:29 pm

1 stop4h 28m

$180

San DiegoBillings

SAN - BIL

SANBIL

San Diego

Mon 3/30

9:18 pm-3:51 pm

2 stops41h 33m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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 January.
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.

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 January 8, 2026.
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
11,664 reviews

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,664 reviews
Alaska Airlines
8.0
Very good
11,664 reviews

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,027 reviews
Alaska Airlines
8.0
Very good
11,664 reviews

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,139 reviews
Alaska Airlines
8.0
Very good
11,664 reviews

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 $253, Delta can have you in Billings from San Diego in 6h 35m. 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 $198, 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 United Airlines and Alaska Airlines - these airlines can fly you to your destination from $252 and $282, respectively. Delta is currently priced 52% below the average price you’ll pay for this route.

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

    $110 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $128 and $168, 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, 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

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.
San Francisco to Bozeman flights
Los Angeles to Bozeman flights
Ontario to Bozeman flights
San Diego to Bozeman flights
Ontario to Helena flights
Santa Ana to Bozeman flights
Los Angeles to Helena flights
Santa Ana to Helena flights
San Francisco to Kalispell flights
Santa Ana to Butte flights
Burbank to Helena flights
San Diego to Kalispell flights
Long Beach to Helena flights
Los Angeles to Missoula flights
Santa Ana to Kalispell flights
San Jose to Bozeman flights
Oakland to Bozeman flights
Los Angeles to Kalispell flights
San Francisco to Missoula flights
Sacramento to Bozeman flights
Burbank to Bozeman flights
Las Vegas to Bozeman flights
Ontario to Kalispell flights
San Luis Obispo to Bozeman flights
Los Angeles to Billings flights
Reno to Bozeman flights
San Diego to Missoula flights
San Diego to Great Falls flights
Burbank to Kalispell flights
Sacramento to Kalispell flights
San Jose to Kalispell flights
Ontario to Missoula flights
Los Angeles to Butte flights
Ontario to Billings flights
Santa Ana to Missoula flights
San Francisco to Billings flights
Sacramento to Missoula flights
Oakland to Kalispell flights
Santa Barbara to Kalispell flights
San Jose to Missoula flights
Burbank to Missoula flights
Long Beach to Bozeman flights
Sacramento to Billings flights
Los Angeles to Great Falls flights
Monterey to Kalispell flights
Santa Barbara to Bozeman flights
Las Vegas to Kalispell flights
Palm Springs to Bozeman flights
Fresno to Bozeman 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$305FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$266Average$393FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$282Average$348FlexibilityNo cancel feeOn-time75%

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.