$163+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BIL
Sep 28 — Oct 51
Round-trip
1 adult, Economy
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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
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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
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Cheapest flights from San Diego to BillingsExplore 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 August 29, 2026.
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 August 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 9/179:03 pm -
1 stop18h 18m
Mon 10/510:20 pm -
1 stop19h 39m
Deal found 8/26![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Thu 9/179:03 pm -
1 stop18h 18m
Mon 9/215:22 pm -
1 stop24h 37m
Deal found 8/25![Multiple Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 9/179:03 pm -
1 stop18h 18m
Fri 10/910:22 pm -
1 stop19h 27m
Deal found 8/26![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 9/109:03 pm -
1 stop18h 18m
Mon 9/145:22 pm -
1 stop24h 37m
Deal found 8/26![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Sun 9/139:03 pm -
1 stop18h 29m
Mon 10/510:20 pm -
1 stop19h 39m
Deal found 8/26![Multiple Airlines logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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.
Tue 10/276:27 pm -
1 stop15h 58m
Sun 11/15:12 pm -
1 stop18h 01m
Deal found 8/28![Alaska Airlines logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Thu 10/2212:10 pm -
1 stop10h 40m
Sun 10/257:32 pm -
1 stop15h 34m
Deal found 8/24![Alaska Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:05 pm -
1 stop17h 02m
Mon 11/303:44 pm -
1 stop24h 05m
Deal found 8/28![Multiple Airlines logo]()
$348
Best flights from San Diego to BillingsDiscover carefully curated flight deals from San Diego to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
Discover carefully curated flight deals from San Diego to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 10/198:28 pm -
1 stop13h 57m
Tue 10/2712:05 pm -
1 stop6h 47m
Deal found 8/26![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 8/25. 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 11/196:15 am -
1 stop5h 03m
Tue 12/16:21 pm -
1 stop6h 36m
Deal found 8/25![Delta logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 10/276:27 pm -
1 stop15h 58m
Sun 11/15:12 pm -
1 stop18h 01m
Deal found 8/29![Alaska Airlines logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Thu 10/2212:10 pm -
1 stop10h 40m
Sun 10/257:32 pm -
1 stop15h 34m
Deal found 8/24![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 8/28. 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.
Thu 11/269:43 am -
1 stop6h 56m
Fri 11/275:35 am -
1 stop4h 13m
Deal found 8/28![Delta logo]()
$391
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 11/1910:54 am -
2 stops10h 49m
Tue 12/13:44 pm -
1 stop22h 32m
Deal found 8/27![Alaska Airlines logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Thu 12/37:00 am -
1 stop7h 08m
Mon 12/72:03 pm -
1 stop6h 49m
Deal found 8/24![Alaska Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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.
Sat 10/106:53 am -
1 stop7h 11m
Tue 10/133:44 pm -
2 stops21h 39m
Deal found 8/26![Alaska Airlines logo]()
$391
Last-minute flights from San Diego to BillingsDiscover last-minute flight deals from San Diego to Billings. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Billings. Data last updated August 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 9/109:03 pm -
1 stop18h 18m
Mon 9/145:22 pm -
1 stop24h 37m
Deal found 8/26![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Sun 9/139:03 pm -
1 stop18h 29m
Mon 10/510:20 pm -
1 stop19h 39m
Deal found 8/26![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Sun 9/139:03 pm -
1 stop18h 29m
Fri 10/910:22 pm -
1 stop19h 27m
Deal found 8/26![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 9/179:03 pm -
1 stop18h 18m
Mon 10/510:20 pm -
1 stop19h 39m
Deal found 8/26![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Thu 9/179:03 pm -
1 stop18h 18m
Mon 9/215:22 pm -
1 stop24h 37m
Deal found 8/25![Multiple Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 9/179:03 pm -
1 stop18h 18m
Fri 10/910:22 pm -
1 stop19h 27m
Deal found 8/26![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Sun 9/209:03 pm -
1 stop18h 29m
Fri 10/210:22 pm -
1 stop19h 37m
Deal found 8/26![Multiple Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Wed 9/233:50 pm -
1 stop18h 50m
Wed 9/306:14 am -
1 stop6h 31m
Deal found 8/25![Alaska Airlines logo]()
$338
One-way flights from San Diego to BillingsSearch for one-way flight options from San Diego to Billings. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
Search for one-way flight options from San Diego to Billings. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Thu 11/266:05 pm -
1 stop17h 02m
Deal found 8/27![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Mon 12/76:22 pm -
1 stop19h 50m
Deal found 8/27![Multiple Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Tue 12/16:22 pm -
1 stop20h 46m
Deal found 8/25![Multiple Airlines logo]()
$180
This Delta deal was found by Cheapflights users on 8/25. 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 9/235:01 pm -
1 stop4h 33m
Deal found 8/25![Delta logo]()
$186
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 12/18:37 pm -
2 stops17h 31m
Deal found 8/25![Alaska Airlines logo]()
$188
This Priceline deal was found by Cheapflights users on 8/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:05 am -
2 stops9h 44m
Deal found 8/25![Alaska Airlines logo]()
$189
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 12/79:59 pm -
2 stops14h 24m
Deal found 8/27![Alaska Airlines logo]()
$205
This Delta deal was found by Cheapflights users on 8/28. 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 10/246:15 am -
1 stop5h 03m
Deal found 8/28![Delta logo]()
$206
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 9/1612:37 pm -
1 stop7h 23m
Deal found 8/28![United Airlines logo]()
$211
This deal was found by Cheapflights users on 8/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:45 am -
1 stop5h 44m
Deal found 8/27![United Airlines logo]()
$231
Find 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 August 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (Kiwi.com) |
One-way from | $163 (Kiwi.com) |
Popular in | March |
Cheapest in | November |
Average price | $454 |
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 7,457,451 searches. Data last updated August 29, 2026.
Use the filters below to find and compare flights from San Diego to Billings that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Mon 10/19
8:28 pm-11:25 am
1 stop13h 57m
Billings Logan Intl
Tue 10/27
12:05 pm-5:52 pm
1 stop6h 47m
$333
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Tue 10/27
6:27 pm-11:25 am
1 stop15h 58m
Billings Logan Intl
Sun 11/1
5:12 pm-10:13 am
1 stop18h 01m
$338
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Thu 10/22
12:10 pm-11:50 pm
1 stop10h 40m
Billings Logan Intl
Sun 10/25
7:32 pm-10:06 am
1 stop15h 34m
$343
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Thu 11/19
6:15 am-12:18 pm
1 stop5h 03m
Billings Logan Intl
Tue 12/1
6:21 pm-11:57 pm
1 stop6h 36m
$371
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Thu 11/19
10:54 am-10:43 pm
2 stops10h 49m
Billings Logan Intl
Tue 12/1
3:44 pm-1:16 pm
1 stop22h 32m
$380
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Thu 12/3
7:00 am-3:08 pm
1 stop7h 08m
Billings Logan Intl
Mon 12/7
2:03 pm-7:52 pm
1 stop6h 49m
$388
Quickest round-trip
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Thu 11/26
9:43 am-5:39 pm
1 stop6h 56m
Billings Logan Intl
Fri 11/27
5:35 am-8:48 am
1 stop4h 13m
$391
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Sat 10/10
6:53 am-3:04 pm
1 stop7h 11m
Billings Logan Intl
Tue 10/13
3:44 pm-12:23 pm
2 stops21h 39m
$391
Cheapest one-way
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Mon 12/7
6:22 pm-3:12 pm
1 stop19h 50m
$165
Quickest one-way
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Wed 9/23
5:01 pm-10:34 pm
1 stop4h 33m
$186
Showing 1-10 of 15 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 FlightHub the most. FlightHub 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.
SAN-BIL
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, November is the cheapest month in which you can book a flight from San Diego to Billings (average of $304). Flying from San Diego to Billings in March is currently the most expensive (average of $566). 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.
How much does it cost to fly round-trip from San Diego to Billings?
Airfare is below average for this route at the moment.
San Diego to Billings flights typically cost between $390 and $414 in September.The cheapest round-trip price found within the last 5 days was $218 on Multiple Airlines (Sep 17-Oct 5).
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 August 29, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited 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.
Boarding
8.1
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
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Complete your trip
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Popular flights
Alternative routes for San Diego to Billings
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Other flights to Billings
Explore flights to Billings departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 29, 2026.
Complete your trip
Complete your trip to Billings by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Billings by cabin class
Find flights from San Diego to Billings, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Billings flights
Browse other San Diego and Billings flight options. Last updated on August 29, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on August 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated August 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$252 | Average$410 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$254 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$282 | Average$348 | FlexibilityNo cancel fee | On-time75% |