$348+ Cheap flights from Billings (BIL) to San José (SJO)
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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SJO
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Billings to San José 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 Billings to San José
Cheapest
Best
Last-minute
One-way
Cheapest flights from Billings to San JoséExplore the most affordable flight options available from Billings to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Billings to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 10/316:00 am -
1 stop31h 46m
Wed 11/113:54 pm -
2 stops21h 59m
Deal found 9/4![American Airlines logo]()
$560
This Delta deal was found by Cheapflights users on 9/4. 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.
Tue 10/136:16 am -
2 stops29h 44m
Wed 10/211:25 pm -
2 stops30h 50m
Deal found 9/4![Delta logo]()
$563
This Delta deal was found by Cheapflights users on 9/4. 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 10/146:06 am -
2 stops29h 54m
Wed 10/211:25 pm -
2 stops30h 50m
Deal found 9/4![Delta logo]()
$589
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:55 pm -
2 stops17h 30m
Wed 11/112:25 pm -
3 stops31h 49m
Deal found 9/8![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/6. 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 11/257:00 am -
2 stops27h 25m
Wed 12/28:45 am -
2 stops25h 48m
Deal found 9/6![United Airlines logo]()
$664
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/146:00 am -
1 stop8h 00m
Wed 10/216:00 am -
2 stops15h 12m
Deal found 9/4![American Airlines logo]()
$728
Best flights from Billings to San JoséDiscover carefully curated flight deals from Billings to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Billings to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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 1/145:45 am -
2 stops15h 20m
Thu 1/217:05 am -
2 stops13h 43m
Deal found 9/8![Delta logo]()
$563
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
2 stops14h 05m
Wed 11/113:54 pm -
2 stops29h 46m
Deal found 9/8![American Airlines logo]()
$622
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:00 am -
2 stops24h 25m
Wed 11/118:45 am -
2 stops14h 45m
Deal found 9/7![United Airlines logo]()
$645
This Delta deal was found by Cheapflights users on 9/4. 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.
Tue 10/136:16 am -
2 stops29h 44m
Wed 10/211:25 pm -
2 stops30h 50m
Deal found 9/4![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/4. 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 2/225:51 pm -
2 stops25h 48m
Tue 3/28:45 am -
2 stops26h 06m
Deal found 9/4![United Airlines logo]()
$645
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:25 pm -
2 stops17h 20m
Tue 1/197:05 am -
2 stops13h 43m
Deal found 9/7![Delta logo]()
$589
This Delta deal was found by Cheapflights users on 9/4. 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 10/146:06 am -
2 stops29h 54m
Wed 10/211:25 pm -
2 stops30h 50m
Deal found 9/4![Delta logo]()
$589
Last-minute flights from Billings to San JoséDiscover last-minute flight deals from Billings to San José. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Billings to San José. Data last updated September 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/4. 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.
Tue 10/136:16 am -
2 stops29h 44m
Wed 10/211:25 pm -
2 stops30h 50m
Deal found 9/4![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Tue 10/135:57 pm -
2 stops18h 24m
Wed 10/217:55 am -
3 stops29h 19m
Deal found 9/4![United Airlines logo]()
$748
This Delta deal was found by Cheapflights users on 9/4. 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 10/146:06 am -
2 stops29h 54m
Wed 10/211:25 pm -
2 stops30h 50m
Deal found 9/4![Delta logo]()
$589
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/146:00 am -
1 stop8h 00m
Wed 10/216:00 am -
2 stops15h 12m
Deal found 9/4![American Airlines logo]()
$728
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 10/316:00 am -
1 stop31h 46m
Wed 11/113:54 pm -
2 stops21h 59m
Deal found 9/4![American Airlines logo]()
$560
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:55 pm -
2 stops17h 30m
Wed 11/112:25 pm -
3 stops31h 49m
Deal found 9/8![United Airlines logo]()
$645
One-way flights from Billings to San JoséSearch for one-way flight options from Billings to San José. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Billings to San José. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 9/155:00 am -
2 stops38h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:42 pm -
3 stops44h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$522
Find flight deals from Billings to San José
Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to San José (SJO). 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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $560 (American Airlines) |
One-way from | $348 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Billings to San José 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 September 9, 2026.
Use the filters below to find and compare flights from Billings to San José that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BillingsSan José
BIL Billings Logan Intl - SJO San José Juan Santamaria Intl
BILSJO
Billings Logan Intl
Tue 9/15
5:00 am-7:37 pm
2 stops38h 37m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$348
BillingsSan José
BIL Billings Logan Intl - SJO San José Juan Santamaria Intl
BILSJO
Billings Logan Intl
Tue 9/15
3:42 pm-12:15 pm
3 stops44h 33m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$522
Quickest round-trip
BillingsSan José
BIL Billings Logan Intl - SJO San José Juan Santamaria Intl
BILSJO
Billings Logan Intl
Thu 1/14
5:45 am-10:05 pm
2 stops15h 20m
San José Juan Santamaria Intl
Thu 1/21
7:05 am-7:48 pm
2 stops13h 43m
$563
BillingsSan José
BIL Billings Logan Intl - SJO San José Juan Santamaria Intl
BILSJO
Billings Logan Intl
Tue 10/13
6:16 am-12:00 pm
2 stops29h 44m
San José Juan Santamaria Intl
Wed 10/21
1:25 pm-8:15 pm
2 stops30h 50m
$563
BillingsSan José
BIL Billings Logan Intl - SJO San José Juan Santamaria Intl
BILSJO
Billings Logan Intl
Tue 1/12
6:25 pm-12:45 pm
2 stops17h 20m
San José Juan Santamaria Intl
Tue 1/19
7:05 am-7:48 pm
2 stops13h 43m
$589
BillingsSan José
BIL Billings Logan Intl - SJO San José Juan Santamaria Intl
BILSJO
Billings Logan Intl
Wed 10/14
6:06 am-12:00 pm
2 stops29h 54m
San José Juan Santamaria Intl
Wed 10/21
1:25 pm-8:15 pm
2 stops30h 50m
$589
BillingsSan José
BIL Billings Logan Intl - SJO San José Juan Santamaria Intl
BILSJO
Billings Logan Intl
Sat 10/31
6:00 am-8:05 pm
2 stops14h 05m
San José Juan Santamaria Intl
Wed 11/11
3:54 pm-8:40 pm
2 stops29h 46m
$622
BillingsSan José
BIL Billings Logan Intl - SJO San José Juan Santamaria Intl
BILSJO
Billings Logan Intl
Sat 10/31
5:00 am-5:25 am
2 stops24h 25m
San José Juan Santamaria Intl
Wed 11/11
8:45 am-10:30 pm
2 stops14h 45m
$645
BillingsSan José
BIL Billings Logan Intl - SJO San José Juan Santamaria Intl
BILSJO
Billings Logan Intl
Mon 2/22
5:51 pm-8:39 pm
2 stops25h 48m
San José Juan Santamaria Intl
Tue 3/2
8:45 am-9:51 am
2 stops26h 06m
$645
Sorted by cheapest first
Compare providers for flights from Billings to San José
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 Billings to San José in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Billings-San José flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-San José flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-San José flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Billings-San José 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 Billings-San José 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 Billings to San José
Have a flexible travel schedule? Discover the best time to fly to San José from Billings with our price prediction graph.
BIL-SJO
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.
Reviews of airlines servicing San José
Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated September 9, 2026.
See what other customers who have flown with American Airlines from Billings to San José have to say. 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.
Entertainment
6.8
Overall
7.1
Crew
7.9
Comfort
7.2
Boarding
7.5
Food
6.4
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Entertainment
6.8
Overall
7.1
Crew
7.9
Comfort
7.2
Boarding
7.5
Food
6.4
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Related info for your journey
Find useful and relevant information for your journey from Billings to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San José?
Book flights to San José if you plan to visit one of these locationsAlajuela
Jacó
Heredia
Dominical
Manuel Antonio
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Complete your trip
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Billings and San José flights
Browse other Billings and San José flight options. Last updated on September 9, 2026.
Other flights from Billings
Browse through other flights departing from Billings. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
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Top airline flying from Billings to San José
Discover the top airline that operate flights from Billings to San José. 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 September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$741 | FlexibilityNo cancel fee | On-time71% |