$89+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BIL
Nov 12 — Nov 191
Round-trip
1 adult, Economy
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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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Best
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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 October 13, 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 October 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Wed 11/258:50 am -
1 stop11h 31m
Mon 11/3010:57 am -
1 stop21h 23m
Deal found 10/11![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/2211:26 am -
1 stop28h 41m
Mon 11/3010:57 am -
1 stop21h 23m
Deal found 10/12![Multiple Airlines logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 11/197:00 am -
1 stop6h 52m
Tue 12/13:32 pm -
1 stop20h 55m
Deal found 10/9![Alaska Airlines logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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 12/36:15 am -
1 stop15h 43m
Mon 12/73:32 pm -
1 stop22h 35m
Deal found 10/12![Alaska Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Mon 11/96:45 am -
1 stop5h 44m
Mon 11/165:00 am -
1 stop5h 10m
Deal found 10/12![United Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 10/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/234:25 pm -
1 stop5h 34m
Wed 12/307:34 am -
1 stop4h 59m
Deal found 10/10![American Airlines logo]()
$412
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 October 13, 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 October 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Wed 11/258:50 am -
1 stop11h 31m
Mon 11/3010:57 am -
2 stops32h 13m
Deal found 10/11![Multiple Airlines logo]()
$219
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 11/197:00 am -
1 stop6h 52m
Tue 12/13:32 pm -
1 stop20h 55m
Deal found 10/9![Alaska Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/2211:26 am -
1 stop28h 41m
Mon 11/3010:57 am -
1 stop21h 23m
Deal found 10/12![Multiple Airlines logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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 12/36:15 am -
1 stop15h 43m
Mon 12/73:32 pm -
1 stop22h 35m
Deal found 10/13![Alaska Airlines logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 10/10. 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 2/258:50 pm -
2 stops17h 18m
Sun 2/283:44 pm -
1 stop19h 17m
Deal found 10/10![Alaska Airlines logo]()
$388
Last-minute flights from San Diego to BillingsDiscover last-minute flight deals from San Diego to Billings. Data last updated October 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Billings. Data last updated October 13, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Mon 11/96:45 am -
1 stop5h 44m
Mon 11/165:00 am -
1 stop5h 10m
Deal found 10/12![United Airlines logo]()
$391
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 11/197:00 am -
1 stop6h 52m
Tue 12/13:32 pm -
1 stop20h 55m
Deal found 10/9![Alaska Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/2211:26 am -
1 stop28h 41m
Mon 11/3010:57 am -
1 stop21h 23m
Deal found 10/12![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Wed 11/258:50 am -
1 stop11h 31m
Mon 11/3010:57 am -
1 stop21h 23m
Deal found 10/11![Multiple Airlines logo]()
$200
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 October 13, 2026.
Search for one-way flight options from San Diego to Billings. Find affordable one-way fares based on user searches. Data last updated October 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/10. 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.
Wed 12/233:44 pm -
1 stop23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 10/10. 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 12/226:22 pm -
2 stops44h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$146
This deal was found by Cheapflights users on 10/10. 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![United Airlines logo]()
$251
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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 10/246:53 am -
1 stop7h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Alaska Airlines logo]()
$255
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Sat 10/2412:40 pm -
2 stops9h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![United Airlines logo]()
$315
This American Airlines deal was found by Cheapflights users on 10/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:57 am -
2 stops10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![American Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 10/203:14 pm -
3 stops46h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$801
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 October 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $200 (Kiwi.com) |
One-way from | $89 (Kiwi.com) |
Popular in | March |
Cheapest in | November |
Average price | $476 |
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 October 13, 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
Wed 12/23
4:41 pm-4:04 pm
2 stops22h 23m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$154
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Wed 11/25
8:50 am-9:21 pm
1 stop11h 31m
Billings Logan Intl
Mon 11/30
10:57 am-6:10 pm
2 stops32h 13m
$219
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Tue 12/22
6:22 pm-2:07 pm
1 stop18h 45m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$230
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Thu 11/26
6:45 am-1:29 pm
1 stop5h 44m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$251
Quickest round-trip
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Tue 10/20
5:01 pm-10:25 pm
1 stop4h 24m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$255
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Sat 10/24
12:20 pm-9:12 pm
1 stop7h 52m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$255
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Sat 10/24
6:53 am-3:04 pm
1 stop7h 11m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$255
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Sun 11/22
11:26 am-5:07 pm
1 stop28h 41m
Billings Logan Intl
Mon 11/30
10:57 am-7:20 am
1 stop21h 23m
$273
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Sat 10/24
12:40 pm-10:53 pm
2 stops9h 13m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$315
San DiegoBillings
SAN San Diego - BIL Billings Logan Intl
SANBIL
San Diego
Thu 11/19
7:00 am-2:52 pm
1 stop6h 52m
Billings Logan Intl
Tue 12/1
3:32 pm-11:27 am
1 stop20h 55m
$378
Showing 1-10 of 12 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 October.
| 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
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 October 13, 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
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
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.
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
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Complete your trip
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Alternative routes for San Diego to Billings
See prices for flight routes from nearby airports that may be better suited for you.
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 October 13, 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 October 13, 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 October 13, 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 October 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$282 | Average$334 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$323 | Average$390 | FlexibilityNo cancel fee | On-timeN/A |