$126+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BIL
Jun 24 — Jul 11
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 May 25, 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 May 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Mon 6/224:17 pm
SAN
- BIL
1 stop19h 56m
Multiple Airlines
Mon 6/2910:00 am
BIL
- SAN
1 stop23h 48m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/49:43 am
SAN
- BIL
1 stop22h 27m
Multiple Airlines
Mon 6/810:00 am
BIL
- SAN
1 stop23h 48m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/264:17 pm
SAN
- BIL
1 stop21h 26m
Multiple Airlines
Tue 6/302:03 pm
BIL
- SAN
1 stop26h 49m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/194:17 pm
SAN
- BIL
1 stop21h 26m
Multiple Airlines
Fri 6/2610:00 am
BIL
- SAN
1 stop23h 48m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 5/20. 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 7/155:01 pm
SAN
- BIL
1 stop4h 49m
Delta
Tue 7/2111:50 am
BIL
- SAN
1 stop7h 16m
Delta
Deal found 5/20![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:45 am
SAN
- BIL
1 stop7h 03m
Delta
Mon 9/145:20 am
BIL
- SAN
1 stop4h 21m
Delta
Deal found 5/24![Delta logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:38 pm
SAN
- BIL
1 stop24h 05m
Multiple Airlines
Sun 6/75:35 pm
BIL
- SAN
1 stop20h 08m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 5/21. 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 8/76:35 am
SAN
- BIL
1 stop7h 54m
United Airlines
Tue 8/115:00 am
BIL
- SAN
1 stop5h 05m
United Airlines
Deal found 5/21![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 5/21. 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 7/185:01 pm
SAN
- BIL
1 stop4h 52m
Delta
Sat 7/255:20 am
BIL
- SAN
1 stop4h 21m
Delta
Deal found 5/21![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 5/23. 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.
Thu 8/135:02 pm
SAN
- BIL
1 stop4h 33m
Delta
Thu 8/205:10 am
BIL
- SAN
2 stops8h 19m
Delta
Deal found 5/23![Delta logo]()
$392
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 May 25, 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 May 25, 2026.
This Delta deal was found by Cheapflights users on 5/21. 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 7/155:01 pm
SAN
- BIL
1 stop4h 49m
Delta
Tue 7/2111:50 am
BIL
- SAN
1 stop5h 06m
Delta
Deal found 5/21![Delta logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 5/25. 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.
Fri 7/38:35 pm
SAN
- BIL
1 stop15h 30m
Alaska Airlines
Mon 7/207:22 pm
BIL
- SAN
1 stop14h 48m
Alaska Airlines
Deal found 5/25![Alaska Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:35 am
SAN
- BIL
1 stop7h 54m
United Airlines
Mon 6/224:10 pm
BIL
- SAN
1 stop7h 15m
United Airlines
Deal found 5/25![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:45 am
SAN
- BIL
1 stop7h 03m
Delta
Mon 9/145:20 am
BIL
- SAN
1 stop4h 21m
Delta
Deal found 5/24![Delta logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:18 am
SAN
- BIL
1 stop5h 47m
Alaska Airlines
Tue 7/77:22 pm
BIL
- SAN
1 stop14h 48m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 5/23. 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.
Thu 8/135:02 pm
SAN
- BIL
1 stop4h 33m
Delta
Thu 8/205:10 am
BIL
- SAN
2 stops8h 19m
Delta
Deal found 5/23![Delta logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:52 am
SAN
- BIL
2 stops11h 59m
Alaska Airlines
Tue 7/2111:45 am
BIL
- SAN
2 stops9h 38m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:00 am
SAN
- BIL
2 stops9h 53m
Delta
Sat 8/86:33 pm
BIL
- SAN
1 stop5h 19m
Delta
Deal found 5/24![Delta logo]()
$450
This Delta deal was found by Cheapflights users on 5/21. 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 7/105:01 pm
SAN
- BIL
1 stop4h 49m
Delta
Tue 7/145:20 am
BIL
- SAN
2 stops8h 19m
Delta
Deal found 5/21![Delta logo]()
$464
Last-minute flights from San Diego to BillingsDiscover last-minute flight deals from San Diego to Billings. Data last updated May 25, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Billings. Data last updated May 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/22. 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.
Wed 6/35:01 pm
SAN
- BIL
1 stop4h 51m
Delta
Sat 6/66:19 pm
BIL
- SAN
1 stop4h 36m
Delta
Deal found 5/22![Delta logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/49:43 am
SAN
- BIL
1 stop22h 27m
Multiple Airlines
Mon 6/810:00 am
BIL
- SAN
1 stop23h 48m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:38 pm
SAN
- BIL
1 stop24h 05m
Multiple Airlines
Sun 6/75:35 pm
BIL
- SAN
1 stop20h 08m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 6/58:04 pm
SAN
- BIL
1 stop16h 17m
Alaska Airlines
Mon 6/87:21 pm
BIL
- SAN
1 stop16h 01m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/194:17 pm
SAN
- BIL
1 stop21h 26m
Multiple Airlines
Fri 6/2610:00 am
BIL
- SAN
1 stop23h 48m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:35 am
SAN
- BIL
1 stop7h 54m
United Airlines
Mon 6/224:10 pm
BIL
- SAN
1 stop7h 15m
United Airlines
Deal found 5/25![United Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Mon 6/224:17 pm
SAN
- BIL
1 stop19h 56m
Multiple Airlines
Mon 6/2910:00 am
BIL
- SAN
1 stop23h 48m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/264:17 pm
SAN
- BIL
1 stop21h 26m
Multiple Airlines
Tue 6/302:03 pm
BIL
- SAN
1 stop26h 49m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:35 am
SAN
- BIL
1 stop5h 47m
United Airlines
Mon 6/295:00 am
BIL
- SAN
1 stop5h 05m
United Airlines
Deal found 5/25![United Airlines logo]()
$467
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 May 25, 2026.
Search for one-way flight options from San Diego to Billings. Find affordable one-way fares based on user searches. Data last updated May 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:51 pm
SAN
- BIL
1 stop11h 19m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$126
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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 8/139:27 pm
SAN
- BIL
2 stops16h 36m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$274
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 May 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Kiwi.com) |
One-way from | $126 (Kiwi.com) |
Popular in | September |
Cheapest in | August |
Average price | $383 |
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 May 25, 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
Quickest round-trip
San DiegoBillings
SAN - BIL
SANBIL
San Diego
Wed 7/15
5:01 pm-10:50 pm
1 stop4h 49m
Billings Logan Intl
Tue 7/21
11:50 am-3:56 pm
1 stop5h 06m
$361
San DiegoBillings
SAN - BIL
SANBIL
San Diego
Fri 9/11
9:45 am-5:48 pm
1 stop7h 03m
Billings Logan Intl
Mon 9/14
5:20 am-8:41 am
1 stop4h 21m
$364
San DiegoBillings
SAN - BIL
SANBIL
San Diego
Thu 8/13
5:02 pm-10:35 pm
1 stop4h 33m
Billings Logan Intl
Thu 8/20
5:10 am-12:29 pm
2 stops8h 19m
$392
San DiegoBillings
SAN - BIL
SANBIL
San Diego
Fri 7/3
8:35 pm-1:05 pm
1 stop15h 30m
Billings Logan Intl
Mon 7/20
7:22 pm-9:10 am
1 stop14h 48m
$400
San DiegoBillings
SAN - BIL
SANBIL
San Diego
Fri 6/19
6:35 am-3:29 pm
1 stop7h 54m
Billings Logan Intl
Mon 6/22
4:10 pm-10:25 pm
1 stop7h 15m
$415
San DiegoBillings
SAN - BIL
SANBIL
San Diego
Sat 7/4
6:18 am-1:05 pm
1 stop5h 47m
Billings Logan Intl
Tue 7/7
7:22 pm-9:10 am
1 stop14h 48m
$425
San DiegoBillings
SAN - BIL
SANBIL
San Diego
Wed 8/5
7:00 am-5:53 pm
2 stops9h 53m
Billings Logan Intl
Sat 8/8
6:33 pm-10:52 pm
1 stop5h 19m
$450
San DiegoBillings
SAN - BIL
SANBIL
San Diego
Fri 7/10
5:01 pm-10:50 pm
1 stop4h 49m
Billings Logan Intl
Tue 7/14
5:20 am-12:39 pm
2 stops8h 19m
$464
San DiegoBillings
SAN - BIL
SANBIL
San Diego
Wed 7/15
10:52 am-11:51 pm
2 stops11h 59m
Billings Logan Intl
Tue 7/21
11:45 am-8:23 pm
2 stops9h 38m
$467
Cheapest one-way
Quickest one-way
San DiegoBillings
SAN - BIL
SANBIL
San Diego
Thu 8/13
9:27 pm-3:03 pm
2 stops16h 36m
$274
Sorted 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 May.
| 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, August is the cheapest month in which you can book a flight from San Diego to Billings (average of $288). Flying from San Diego to Billings in September is currently the most expensive (average of $558). 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?
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 May 25, 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
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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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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 May 25, 2026.
Complete your trip
Complete your trip to Billings by adding a car rental and/or hotel reservation to your travel itinerary.
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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 May 25, 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 May 25, 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 2,558,603 searches. Data last updated May 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$254 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$391 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$282 | Average$334 | FlexibilityNo cancel fee | On-time75% |