$133+ Cheap flights from St. Louis to Boise (STL - BOI)
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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOI
Aug 2 — Aug 91
Round-trip
1 adult, Economy
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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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Cheapest flights from St. Louis to BoiseExplore the most affordable flight options available from St. Louis to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
Explore the most affordable flight options available from St. Louis to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
This CheapOair deal was found by Cheapflights users on 7/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Tue 8/111:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Deal found 7/1![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 7/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:10 pm
STL
- BOI
1 stop16h 54m
Frontier
Thu 9/1712:59 pm
BOI
- STL
1 stop5h 16m
Frontier
Deal found 7/1![Frontier logo]()
$266
This CheapOair deal was found by Cheapflights users on 7/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Thu 8/61:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Deal found 7/3![Frontier logo]()
$296
This Expedia deal was found by Cheapflights users on 6/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:37 pm
STL
- BOI
1 stop7h 11m
Multiple Airlines
Tue 8/41:24 pm
BOI
- STL
1 stop4h 59m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$304
This Travelocity deal was found by Cheapflights users on 7/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:56 pm
STL
- BOI
1 stop14h 41m
Multiple Airlines
Sun 8/161:24 pm
BOI
- STL
1 stop4h 59m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$309
This Orbitz deal was found by Cheapflights users on 7/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:29 am
STL
- BOI
1 stop7h 06m
Multiple Airlines
Thu 9/2412:59 pm
BOI
- STL
1 stop5h 16m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$310
This CheapOair deal was found by Cheapflights users on 6/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Sun 8/21:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Deal found 6/30![Frontier logo]()
$318
This Booking.com deal was found by Cheapflights users on 7/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:46 pm
STL
- BOI
1 stop27h 11m
Multiple Airlines
Tue 10/64:19 pm
BOI
- STL
1 stop6h 40m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$358
Best flights from St. Louis to BoiseDiscover carefully curated flight deals from St. Louis to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
Discover carefully curated flight deals from St. Louis to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
This CheapOair deal was found by Cheapflights users on 7/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Sun 8/21:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Deal found 7/3![Frontier logo]()
$356
This Delta deal was found by Cheapflights users on 7/3. 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 8/146:20 am
STL
- BOI
1 stop8h 22m
Delta
Fri 8/216:45 pm
BOI
- STL
1 stop4h 56m
Delta
Deal found 7/3![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 11/177:00 am
STL
- BOI
1 stop8h 27m
Alaska Airlines
Wed 11/186:33 am
BOI
- STL
1 stop6h 42m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/11:38 pm
STL
- BOI
2 stops9h 27m
United Airlines
Sat 8/85:46 pm
BOI
- STL
1 stop5h 01m
United Airlines
Deal found 6/29![United Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 7/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:20 pm
STL
- BOI
2 stops8h 35m
Southwest
Tue 10/68:10 am
BOI
- STL
2 stops8h 35m
Southwest
Deal found 7/2![Southwest logo]()
$482
This Delta deal was found by Cheapflights users on 6/30. 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
- BOI
1 stop7h 25m
Delta
Sat 8/152:53 pm
BOI
- STL
1 stop6h 10m
Delta
Deal found 6/30![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/2. 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 9/245:10 am
STL
- BOI
2 stops11h 21m
United Airlines
Tue 9/2910:30 am
BOI
- STL
2 stops9h 51m
United Airlines
Deal found 7/2![United Airlines logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 9/2410:14 am
STL
- BOI
2 stops11h 06m
Alaska Airlines
Tue 9/298:03 am
BOI
- STL
2 stops11h 49m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 7/3. 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 11/171:08 pm
STL
- BOI
2 stops10h 34m
United Airlines
Wed 11/185:00 am
BOI
- STL
2 stops8h 30m
United Airlines
Deal found 7/3![United Airlines logo]()
$475
Last-minute flights from St. Louis to BoiseDiscover last-minute flight deals from St. Louis to Boise. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Boise. Data last updated July 3, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:10 am
STL
- BOI
1 stop5h 55m
Southwest
Sat 7/256:00 pm
BOI
- STL
1 stop6h 05m
Southwest
Deal found 7/2![Southwest logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:10 pm
STL
- BOI
2 stops18h 19m
Frontier
Tue 7/281:24 pm
BOI
- STL
1 stop28h 59m
Frontier
Deal found 6/29![Frontier logo]()
$359
This CheapOair deal was found by Cheapflights users on 6/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Sun 8/21:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Deal found 6/30![Frontier logo]()
$318
This Expedia deal was found by Cheapflights users on 6/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:37 pm
STL
- BOI
1 stop7h 11m
Multiple Airlines
Tue 8/41:24 pm
BOI
- STL
1 stop4h 59m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$304
This CheapOair deal was found by Cheapflights users on 6/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Tue 8/111:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Deal found 6/30![Frontier logo]()
$254
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/295:32 am
STL
- BOI
1 stop6h 47m
American Airlines
Tue 8/111:55 pm
BOI
- STL
2 stops9h 19m
American Airlines
Deal found 6/30![American Airlines logo]()
$368
This CheapOair deal was found by Cheapflights users on 7/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Thu 8/61:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Deal found 7/3![Frontier logo]()
$296
This Travelocity deal was found by Cheapflights users on 7/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:56 pm
STL
- BOI
1 stop14h 41m
Multiple Airlines
Sun 8/161:24 pm
BOI
- STL
1 stop4h 59m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$309
One-way flights from St. Louis to BoiseSearch for one-way flight options from St. Louis to Boise. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
Search for one-way flight options from St. Louis to Boise. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This CheapOair deal was found by Cheapflights users on 7/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Deal found 7/1![Frontier logo]()
$133
This CheapOair deal was found by Cheapflights users on 7/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Deal found 7/1![Frontier logo]()
$165
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:55 am
STL
- BOI
1 stop8h 25m
American Airlines
Deal found 6/29![American Airlines logo]()
$182
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/258:50 am
STL
- BOI
2 stops10h 08m
United Airlines
Deal found 6/30![United Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 9/910:35 am
STL
- BOI
2 stops29h 22m
Frontier
Deal found 7/3![Frontier logo]()
$190
This Southwest deal was found by Cheapflights users on 7/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:40 am
STL
- BOI
2 stops12h 05m
Southwest
Deal found 7/2![Southwest logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 9/1612:46 pm
STL
- BOI
3 stops51h 02m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/274:57 pm
STL
- BOI
2 stops20h 32m
Frontier
Deal found 6/29![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 9/1312:46 pm
STL
- BOI
1 stop27h 11m
Frontier
Deal found 7/3![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 9/108:10 pm
STL
- BOI
2 stops19h 47m
Frontier
Deal found 7/3![Frontier logo]()
$230
Find flight deals from St. Louis to Boise
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Boise (BOI). 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 July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $254 (CheapOair) |
One-way from | $133 (CheapOair) |
Popular in | February |
Cheapest in | January |
Average price | $506 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Boise 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 July 3, 2026.
Use the filters below to find and compare flights from St. Louis to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisBoise
STL - BOI
STLBOI
Lambert-St Louis
Mon 7/27
8:08 pm-12:29 pm
1 stop17h 21m
Boise Air Term. Gowen Fld
Sun 8/2
1:24 pm-7:23 pm
1 stop4h 59m
$356
Quickest round-trip
St. LouisBoise
STL - BOI
STLBOI
Lambert-St Louis
Fri 8/14
6:20 am-1:42 pm
1 stop8h 22m
Boise Air Term. Gowen Fld
Fri 8/21
6:45 pm-12:41 am
1 stop4h 56m
$363
St. LouisBoise
STL - BOI
STLBOI
Lambert-St Louis
Mon 8/10
5:34 pm-11:59 pm
1 stop7h 25m
Boise Air Term. Gowen Fld
Sat 8/15
2:53 pm-10:03 pm
1 stop6h 10m
$369
St. LouisBoise
STL - BOI
STLBOI
Lambert-St Louis
Tue 11/17
7:00 am-2:27 pm
1 stop8h 27m
Boise Air Term. Gowen Fld
Wed 11/18
6:33 am-2:15 pm
1 stop6h 42m
$413
St. LouisBoise
STL - BOI
STLBOI
Lambert-St Louis
Sat 8/1
1:38 pm-10:05 pm
2 stops9h 27m
Boise Air Term. Gowen Fld
Sat 8/8
5:46 pm-11:47 pm
1 stop5h 01m
$458
St. LouisBoise
STL - BOI
STLBOI
Lambert-St Louis
Thu 9/24
5:10 am-3:31 pm
2 stops11h 21m
Boise Air Term. Gowen Fld
Tue 9/29
10:30 am-9:21 pm
2 stops9h 51m
$464
St. LouisBoise
STL - BOI
STLBOI
Lambert-St Louis
Tue 11/17
1:08 pm-10:42 pm
2 stops10h 34m
Boise Air Term. Gowen Fld
Wed 11/18
5:00 am-2:30 pm
2 stops8h 30m
$475
St. LouisBoise
STL - BOI
STLBOI
Lambert-St Louis
Thu 9/24
10:14 am-8:20 pm
2 stops11h 06m
Boise Air Term. Gowen Fld
Tue 9/29
8:03 am-8:52 pm
2 stops11h 49m
$479
St. LouisBoise
STL - BOI
STLBOI
Lambert-St Louis
Thu 10/1
3:20 pm-10:55 pm
2 stops8h 35m
Boise Air Term. Gowen Fld
Tue 10/6
8:10 am-5:45 pm
2 stops8h 35m
$482
Cheapest one-way
Quickest one-way
St. LouisBoise
STL - BOI
STLBOI
Lambert-St Louis
Sun 12/13
7:55 pm-12:04 am
1 stop5h 09m
$182
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Boise
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 Boise in July.
| 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 | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Boise 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-Boise 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 Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from St. Louis with our price prediction graph.
STL-BOI
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 Boise
Prices
More
What is the cheapest month to book a flight from St. Louis to Boise?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Boise (average of $359). Flying from St. Louis to Boise in February 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 St. Louis to Boise?
What’s the top layover airport for flights from St. Louis to Boise?
Share of 1-stop round-trip flights from St. Louis to Boise chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from St. Louis to Boise on Cheapflights.
What’s the cheapest layover airport for flights from St. Louis to Boise?
Average round-trip fare for 1-stop flights from St. Louis to Boise, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $314.
What’s the fastest layover option from St. Louis to Boise?
Shortest average travel time for 1-stop one-way flights from St. Louis to Boise, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Seattle (SEA) have the shortest average one-way travel time for 1-stop routes: 8h 08m.
Which airport typically offers the quickest layover for flights from St. Louis to Boise?
Average layover duration for 1-stop one-way flights from St. Louis to Boise, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Seattle (SEA) offer the fastest connection on this route, with an average layover time of 1h 36m.
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated July 3, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from St. Louis to Boise. 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.
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Boise. 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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Top 3 airlines flying from St. Louis to Boise
Discover the top 3 airlines that operate flights from St. Louis to Boise. 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 July 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$240 | Average$402 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$296 | Average$466 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$338 | Average$440 | FlexibilityNo cancel fee | On-time69% |