$185+ Cheap flights from St. Louis to Boise (STL - BOI)
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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOI
Nov 2 — Nov 91
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Boise 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 Boise
Cheapest
Best
Last-minute
One-way
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 October 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 October 3, 2026.
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 am -
1 stop9h 11m
Thu 11/52:03 pm -
1 stop8h 53m
Deal found 10/1![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 9/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:35 pm -
2 stops8h 05m
Wed 11/116:20 am -
2 stops8h 00m
Deal found 9/30![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 9/28. 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.
Fri 10/305:50 pm -
1 stop8h 55m
Tue 11/35:45 am -
1 stop5h 45m
Deal found 9/28![Southwest logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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 11/56:00 am -
1 stop7h 25m
Sun 11/88:59 pm -
1 stop26h 00m
Deal found 10/1![Alaska Airlines logo]()
$396
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:40 am -
1 stop6h 44m
Fri 10/232:41 pm -
1 stop8h 01m
Deal found 10/1![American Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 11/56:00 am -
1 stop6h 25m
Sun 11/82:41 pm -
1 stop6h 18m
Deal found 9/30![American Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Thu 11/51:40 pm -
1 stop5h 23m
Sun 11/85:00 am -
2 stops9h 43m
Deal found 9/29![United Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop6h 25m
Wed 11/46:06 am -
1 stop6h 37m
Deal found 10/2![American Airlines logo]()
$447
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 October 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 October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/108:50 am -
1 stop5h 55m
Wed 11/1112:31 pm -
1 stop5h 52m
Deal found 9/30![United Airlines logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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 1/53:54 pm -
1 stop7h 28m
Wed 1/66:37 am -
1 stop7h 19m
Deal found 10/1![Alaska Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 am -
1 stop9h 11m
Thu 11/52:03 pm -
2 stops8h 52m
Deal found 10/1![American Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 9/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:35 pm -
2 stops8h 05m
Wed 11/116:20 am -
2 stops8h 00m
Deal found 9/30![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 9/28. 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 1/45:30 pm -
1 stop7h 25m
Mon 1/113:22 pm -
1 stop6h 56m
Deal found 9/28![Delta logo]()
$423
This Southwest deal was found by Cheapflights users on 9/28. 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.
Fri 10/3012:10 pm -
2 stops7h 55m
Tue 11/35:45 am -
1 stop5h 45m
Deal found 9/28![Southwest logo]()
$398
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop6h 25m
Wed 11/46:06 am -
2 stops9h 37m
Deal found 10/2![American Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 10/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1110:30 am -
2 stops14h 22m
Mon 2/155:40 am -
1 stop7h 51m
Deal found 10/2![Delta logo]()
$455
Last-minute flights from St. Louis to BoiseDiscover last-minute flight deals from St. Louis to Boise. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Boise. Data last updated October 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:40 am -
1 stop6h 44m
Fri 10/232:41 pm -
1 stop8h 01m
Deal found 10/1![American Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 am -
1 stop9h 11m
Thu 11/52:03 pm -
1 stop8h 53m
Deal found 10/1![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 9/28. 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.
Fri 10/305:50 pm -
1 stop8h 55m
Tue 11/35:45 am -
1 stop5h 45m
Deal found 9/28![Southwest logo]()
$392
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop6h 25m
Wed 11/46:06 am -
1 stop6h 37m
Deal found 10/2![American Airlines logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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 11/56:00 am -
1 stop7h 25m
Sun 11/88:59 pm -
1 stop26h 00m
Deal found 10/1![Alaska Airlines logo]()
$396
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 11/56:00 am -
1 stop6h 25m
Sun 11/82:41 pm -
1 stop6h 18m
Deal found 9/30![American Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Thu 11/51:40 pm -
1 stop5h 23m
Sun 11/85:00 am -
2 stops9h 43m
Deal found 9/29![United Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 9/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:35 pm -
2 stops8h 05m
Wed 11/116:20 am -
2 stops8h 00m
Deal found 9/30![Southwest logo]()
$379
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 October 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 October 3, 2026.
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:40 am -
1 stop9h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![American Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:30 am -
2 stops10h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$190
This CheapOair deal was found by Cheapflights users on 10/1. 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.
Thu 10/1512:16 pm -
1 stop26h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:59 pm -
3 stops45h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/282:59 pm -
2 stops28h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$297
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Mon 12/285:00 am -
1 stop7h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![American Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 10/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 am -
1 stop7h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 10/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:30 pm -
2 stops9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Southwest logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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 10/106:02 am -
1 stop7h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Alaska Airlines logo]()
$325
This Southwest deal was found by Cheapflights users on 9/28. 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.
Sat 10/101:50 pm -
2 stops9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Southwest logo]()
$330
This Delta deal was found by Cheapflights users on 9/30. 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.
Fri 10/95:35 pm -
1 stop7h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$340
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 10/811:35 am -
2 stops13h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$345
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 October 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Alaska Airlines) |
One-way from | $185 (American Airlines) |
Popular in | February |
Cheapest in | January |
Average price | $405 |
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 7,457,451 searches. Data last updated October 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 Lambert-St Louis - BOI Boise Air Term. Gowen Fld
STLBOI
Lambert-St Louis
Mon 12/28
2:59 pm-6:01 pm
2 stops28h 02m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$297
Quickest round-trip
St. LouisBoise
STL Lambert-St Louis - BOI Boise Air Term. Gowen Fld
STLBOI
Lambert-St Louis
Sat 10/17
6:00 am-11:28 am
1 stop6h 28m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$309
St. LouisBoise
STL Lambert-St Louis - BOI Boise Air Term. Gowen Fld
STLBOI
Lambert-St Louis
Fri 10/16
5:30 am-12:10 pm
1 stop7h 40m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$309
St. LouisBoise
STL Lambert-St Louis - BOI Boise Air Term. Gowen Fld
STLBOI
Lambert-St Louis
Sat 10/10
6:02 am-12:35 pm
1 stop7h 33m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$325
St. LouisBoise
STL Lambert-St Louis - BOI Boise Air Term. Gowen Fld
STLBOI
Lambert-St Louis
Sat 10/10
1:50 pm-10:40 pm
2 stops9h 50m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$330
St. LouisBoise
STL Lambert-St Louis - BOI Boise Air Term. Gowen Fld
STLBOI
Lambert-St Louis
Fri 10/9
5:40 am-11:24 am
1 stop6h 44m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$340
St. LouisBoise
STL Lambert-St Louis - BOI Boise Air Term. Gowen Fld
STLBOI
Lambert-St Louis
Thu 10/8
7:08 am-3:31 pm
1 stop9h 23m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$340
St. LouisBoise
STL Lambert-St Louis - BOI Boise Air Term. Gowen Fld
STLBOI
Lambert-St Louis
Fri 10/9
5:10 am-3:31 pm
2 stops11h 21m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$345
St. LouisBoise
STL Lambert-St Louis - BOI Boise Air Term. Gowen Fld
STLBOI
Lambert-St Louis
Tue 11/10
8:50 am-1:45 pm
1 stop5h 55m
Boise Air Term. Gowen Fld
Wed 11/11
12:31 pm-7:23 pm
1 stop5h 52m
$369
St. LouisBoise
STL Lambert-St Louis - BOI Boise Air Term. Gowen Fld
STLBOI
Lambert-St Louis
Tue 1/5
3:54 pm-10:22 pm
1 stop7h 28m
Boise Air Term. Gowen Fld
Wed 1/6
6:37 am-2:56 pm
1 stop7h 19m
$369
Showing 1-10 of 16 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 October.
| 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 Accuracy1 star | 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
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 October 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.
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
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.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
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Nampa
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Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 3, 2026.
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St. Louis and Boise flights
Browse other St. Louis and Boise flight options. Last updated on October 3, 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 October 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from St. Louis to Boise
Discover the top 4 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 7,457,451 searches. Data last updated October 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$207 | Average$430 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$402 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$336 | Average$512 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$350 | Average$444 | FlexibilityNo cancel fee | On-time69% |