$258+ Cheap flights from St. Louis to Billings (STL - 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BIL
Jul 13 — Jul 201
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis 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 St. Louis to Billings
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Cheapest flights from St. Louis to BillingsExplore the most affordable flight options available from St. Louis to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
Explore the most affordable flight options available from St. Louis to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:10 pm
STL
- BIL
1 stop15h 00m
Multiple Airlines
Mon 8/1710:00 am
BIL
- STL
1 stop7h 15m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:10 pm
STL
- BIL
1 stop15h 00m
Multiple Airlines
Mon 8/1710:00 am
BIL
- STL
1 stop7h 15m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:10 pm
STL
- BIL
1 stop15h 00m
Multiple Airlines
Fri 8/1410:00 am
BIL
- STL
1 stop7h 15m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:34 pm
STL
- BIL
1 stop6h 56m
Delta
Sat 8/155:20 am
BIL
- STL
1 stop7h 18m
Delta
Deal found 6/13![Delta logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:10 pm
STL
- BIL
1 stop15h 00m
Multiple Airlines
Fri 8/1410:00 am
BIL
- STL
1 stop7h 15m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:10 pm
STL
- BIL
1 stop15h 00m
Multiple Airlines
Sun 8/165:53 pm
BIL
- STL
2 stops23h 22m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:40 pm
STL
- BIL
1 stop5h 20m
United Airlines
Sat 8/2910:30 am
BIL
- STL
2 stops10h 30m
United Airlines
Deal found 6/10![United Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:41 pm
STL
- BIL
2 stops26h 22m
Multiple Airlines
Mon 8/1710:00 am
BIL
- STL
1 stop7h 15m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:34 pm
STL
- BIL
1 stop6h 56m
Delta
Thu 8/136:25 pm
BIL
- STL
1 stop5h 16m
Delta
Deal found 6/13![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:10 pm
STL
- BIL
1 stop15h 00m
Multiple Airlines
Sun 8/165:53 pm
BIL
- STL
2 stops23h 22m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$382
Best flights from St. Louis to BillingsDiscover carefully curated flight deals from St. Louis to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
Discover carefully curated flight deals from St. Louis to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 pm
STL
- BIL
1 stop6h 53m
Delta
Sat 8/295:20 am
BIL
- STL
1 stop7h 18m
Delta
Deal found 6/10![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:40 pm
STL
- BIL
1 stop5h 20m
United Airlines
Sat 8/2910:30 am
BIL
- STL
2 stops10h 30m
United Airlines
Deal found 6/10![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:34 pm
STL
- BIL
1 stop6h 56m
Delta
Tue 8/186:25 pm
BIL
- STL
1 stop5h 16m
Delta
Deal found 6/13![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 10/284:30 pm
STL
- BIL
1 stop7h 11m
United Airlines
Sat 10/315:00 am
BIL
- STL
1 stop6h 43m
United Airlines
Deal found 6/8![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:34 pm
STL
- BIL
1 stop6h 56m
Delta
Thu 8/136:25 pm
BIL
- STL
1 stop5h 16m
Delta
Deal found 6/13![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:48 pm
STL
- BIL
1 stop5h 29m
United Airlines
Thu 7/94:10 pm
BIL
- STL
1 stop6h 47m
United Airlines
Deal found 6/11![United Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:34 pm
STL
- BIL
1 stop6h 56m
Delta
Sun 8/306:33 pm
BIL
- STL
1 stop5h 08m
Delta
Deal found 6/10![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Mon 7/64:48 pm
STL
- BIL
1 stop5h 29m
United Airlines
Sat 7/116:00 pm
BIL
- STL
1 stop4h 47m
United Airlines
Deal found 6/8![United Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:10 am
STL
- BIL
1 stop5h 25m
United Airlines
Fri 7/316:00 pm
BIL
- STL
1 stop4h 57m
United Airlines
Deal found 6/11![United Airlines logo]()
$459
Last-minute flights from St. Louis to BillingsDiscover last-minute flight deals from St. Louis to Billings. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Billings. Data last updated June 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/133:57 pm
STL
- BIL
1 stop5h 05m
Delta
Sun 6/286:40 pm
BIL
- STL
1 stop5h 03m
Delta
Deal found 6/9![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/134:45 pm
STL
- BIL
1 stop7h 06m
United Airlines
Sun 6/286:00 pm
BIL
- STL
1 stop4h 57m
United Airlines
Deal found 6/11![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 6/164:48 pm
STL
- BIL
1 stop5h 29m
United Airlines
Tue 6/236:00 pm
BIL
- STL
1 stop4h 57m
United Airlines
Deal found 6/8![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:48 pm
STL
- BIL
1 stop5h 29m
United Airlines
Thu 7/94:10 pm
BIL
- STL
1 stop6h 47m
United Airlines
Deal found 6/11![United Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Mon 7/64:48 pm
STL
- BIL
1 stop5h 29m
United Airlines
Sat 7/116:00 pm
BIL
- STL
1 stop4h 47m
United Airlines
Deal found 6/8![United Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 7/74:48 pm
STL
- BIL
1 stop5h 29m
United Airlines
Tue 7/142:25 pm
BIL
- STL
1 stop5h 18m
United Airlines
Deal found 6/9![United Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Fri 7/105:10 am
STL
- BIL
1 stop5h 26m
United Airlines
Wed 7/156:00 pm
BIL
- STL
1 stop4h 57m
United Airlines
Deal found 6/8![United Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/251:18 pm
STL
- BIL
2 stops10h 36m
United Airlines
Fri 7/316:00 pm
BIL
- STL
1 stop4h 57m
United Airlines
Deal found 6/11![United Airlines logo]()
$523
One-way flights from St. Louis to BillingsSearch for one-way flight options from St. Louis to Billings. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
Search for one-way flight options from St. Louis to Billings. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:29 pm
STL
- BIL
1 stop5h 43m
Delta
Deal found 6/9![Delta logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:21 pm
STL
- BIL
3 stops48h 31m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/298:00 am
STL
- BIL
2 stops10h 16m
United Airlines
Deal found 6/9![United Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 6/8. 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 7/25:36 pm
STL
- BIL
1 stop6h 59m
Delta
Deal found 6/8![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:59 pm
STL
- BIL
2 stops20h 23m
United Airlines
Deal found 6/11![United Airlines logo]()
$528
Find flight deals from St. Louis to Billings
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 June 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $258 (Kiwi.com) |
One-way from | $258 (Delta) |
Popular in | July |
Cheapest in | March |
Average price | $514 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 June 13, 2026.
Use the filters below to find and compare flights from St. Louis to Billings that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisBillings
STL - BIL
STLBIL
Lambert-St Louis
Sat 8/22
5:00 pm-10:53 pm
1 stop6h 53m
Billings Logan Intl
Sat 8/29
5:20 am-1:38 pm
1 stop7h 18m
$319
St. LouisBillings
STL - BIL
STLBIL
Lambert-St Louis
Mon 8/10
5:34 pm-11:30 pm
1 stop6h 56m
Billings Logan Intl
Tue 8/18
6:25 pm-12:41 am
1 stop5h 16m
$319
St. LouisBillings
STL - BIL
STLBIL
Lambert-St Louis
Sat 8/22
4:40 pm-9:00 pm
1 stop5h 20m
Billings Logan Intl
Sat 8/29
10:30 am-10:00 pm
2 stops10h 30m
$359
St. LouisBillings
STL - BIL
STLBIL
Lambert-St Louis
Fri 8/7
5:34 pm-11:30 pm
1 stop6h 56m
Billings Logan Intl
Thu 8/13
6:25 pm-12:41 am
1 stop5h 16m
$379
St. LouisBillings
STL - BIL
STLBIL
Lambert-St Louis
Fri 8/21
5:34 pm-11:30 pm
1 stop6h 56m
Billings Logan Intl
Sun 8/30
6:33 pm-12:41 am
1 stop5h 08m
$399
St. LouisBillings
STL - BIL
STLBIL
Lambert-St Louis
Wed 10/28
4:30 pm-10:41 pm
1 stop7h 11m
Billings Logan Intl
Sat 10/31
5:00 am-12:43 pm
1 stop6h 43m
$409
St. LouisBillings
STL - BIL
STLBIL
Lambert-St Louis
Fri 7/3
4:48 pm-9:17 pm
1 stop5h 29m
Billings Logan Intl
Thu 7/9
4:10 pm-11:57 pm
1 stop6h 47m
$420
Quickest round-trip
St. LouisBillings
STL - BIL
STLBIL
Lambert-St Louis
Mon 7/6
4:48 pm-9:17 pm
1 stop5h 29m
Billings Logan Intl
Sat 7/11
6:00 pm-11:47 pm
1 stop4h 47m
$456
St. LouisBillings
STL - BIL
STLBIL
Lambert-St Louis
Sat 7/25
5:10 am-9:35 am
1 stop5h 25m
Billings Logan Intl
Fri 7/31
6:00 pm-11:57 pm
1 stop4h 57m
$459
Cheapest one-way
Quickest one-way
St. LouisBillings
STL - BIL
STLBIL
Lambert-St Louis
Sat 8/29
3:29 pm-8:12 pm
1 stop5h 43m
$258
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from St. Louis 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 St. Louis to Billings in June.
| 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 St. Louis-Billings flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Billings flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Billings flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-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 St. Louis-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 St. Louis to Billings
Have a flexible travel schedule? Discover the best time to fly to Billings from St. Louis with our price prediction graph.
STL-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 St. Louis 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 June 13, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from St. Louis to Billings by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from St. Louis 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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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 June 13, 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 St. Louis to Billings, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Billings flights
Browse other St. Louis and Billings flight options. Last updated on June 13, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on June 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from St. Louis to Billings
Discover the top 3 airlines that operate flights from St. Louis 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 June 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$322 | Average$425 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$332 | Average$440 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$386 | Average$431 | FlexibilityNo cancel fee | On-time71% |