HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis to Boise (STL - BOI) from $84

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — BOI
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Lambert-St Louis to Boise Air Term. Gowen Fld are usually found in January or February, booked 68 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap 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 May 28, 2024.

Popular in

March

Cheapest in

January

Round-trip from

$311

One-way from

$97
High demand for flights, 28% potential price rise
Search Deals
Best time to find cheap flights, 26% potential price drop
Search Deals
From Lambert-St Louis to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Lambert-St Louis to Boise Air Term. Gowen Fld
Search Deals

What is the cheapest day to fly round-trip from St. Louis to Boise?

Users have found that flying from St. Louis to Boise on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from St. Louis to Boise?

Find a great deal and save up to 138% by booking at least 18 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Boise within the next two weeks, with the cheapest ticket starting at $379.

What is the cheapest month to fly from St. Louis to Boise?

Flights from St. Louis to Boise lean towards being more expensive in March. Prices are generally better when you fly from St. Louis to Boise in January, with the cheapest ticket starting at $298.

When is the cheapest time to fly from St. Louis to Boise (STL - BOI)?

When flying from St. Louis to Boise, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 11% versus a flight in the afternoon.

Cheap Spirit Airlines flights from St. Louis to Boise

Explore cheap flight options specifically provided by Spirit Airlines for the route between St. Louis and Boise. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Take a peek at the cheapest Spirit Airlines flights we've detected traveling from St. Louis to Boise. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 6/191:55 pmSTL - BOI
1 stop7h 15mSpirit Airlines
Tue 6/259:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Deal found 5/26$126
Mon 9/163:02 pmSTL - BOI
1 stop26h 28mSpirit Airlines
Sat 9/2110:59 pmBOI - STL
1 stop17h 29mSpirit Airlines
Deal found 5/27$170
Mon 9/164:31 pmSTL - BOI
2 stops30h 38mSpirit Airlines
Sat 9/218:40 pmBOI - STL
1 stop19h 48mSpirit Airlines
Deal found 5/27$195
Mon 9/164:31 pmSTL - BOI
3 stops30h 38mSpirit Airlines
Sat 9/2110:59 pmBOI - STL
1 stop17h 29mSpirit Airlines
Deal found 5/27$222
Mon 6/242:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Sun 6/309:13 pmBOI - STL
1 stop15h 38mSpirit Airlines
Deal found 5/27$235
Tue 9/310:34 amSTL - BOI
2 stops35h 11mSpirit Airlines
Sun 9/810:59 pmBOI - STL
1 stop14h 13mSpirit Airlines
Deal found 5/27$262
Tue 6/253:23 pmSTL - BOI
3 stops29h 47mSpirit Airlines
Tue 7/29:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Deal found 5/26$268
Tue 9/38:00 amSTL - BOI
1 stop15h 09mSpirit Airlines
Sun 9/810:59 pmBOI - STL
1 stop14h 13mSpirit Airlines
Deal found 5/27$270
Mon 7/12:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Wed 7/101:05 pmBOI - STL
2 stops27h 24mSpirit Airlines
Deal found 5/27$273

Cheap American Airlines flights from St. Louis to Boise

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Boise. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
To aid your search, here are some of the cheapest American Airlines flights we've found from St. Louis to Boise. Deals are refreshing constantly so come back soon for more options.
Mon 7/15:27 amSTL - BOI
1 stop6h 33mAmerican Airlines
Tue 7/912:51 amBOI - STL
1 stop7h 38mAmerican Airlines
Deal found 5/27$302
Fri 7/125:22 amSTL - BOI
1 stop6h 34mAmerican Airlines
Thu 7/1812:51 amBOI - STL
1 stop7h 38mAmerican Airlines
Deal found 5/28$412
Mon 7/112:44 pmSTL - BOI
2 stops11h 32mAmerican Airlines
Tue 7/912:51 amBOI - STL
1 stop7h 38mAmerican Airlines
Deal found 5/27$545
Thu 7/45:27 amSTL - BOI
2 stops12h 07mAmerican Airlines
Sun 7/712:51 amBOI - STL
1 stop7h 38mAmerican Airlines
Deal found 5/27$577
Mon 7/112:44 pmSTL - BOI
2 stops11h 32mAmerican Airlines
Tue 7/912:51 amBOI - STL
1 stop7h 38mAmerican Airlines
Deal found 5/28$580
Wed 7/176:04 amSTL - BOI
2 stops9h 45mAmerican Airlines
Sat 7/2012:51 amBOI - STL
1 stop7h 38mAmerican Airlines
Deal found 5/28$651
Fri 6/2112:44 pmSTL - BOI
2 stops11h 32mAmerican Airlines
Sun 6/233:33 pmBOI - STL
1 stop6h 24mAmerican Airlines
Deal found 5/27$702
Fri 7/123:18 pmSTL - BOI
2 stops10h 43mAmerican Airlines
Thu 7/1812:51 amBOI - STL
1 stop7h 38mAmerican Airlines
Deal found 5/28$797

Cheap St. Louis to Boise flights in May & June 2024

Find cheap flight options from St. Louis to Boise specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on May 28, 2024.
These are some of the best deals we've found on flights to Boise in 2024 at this time. Check back soon for alternative fares.
Wed 6/191:55 pmSTL - BOI
1 stop7h 15mSpirit Airlines
Tue 6/259:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Deal found 5/26$126
Mon 6/242:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Sun 6/309:13 pmBOI - STL
1 stop15h 38mSpirit Airlines
Deal found 5/27$235
Tue 6/252:21 pmSTL - BOI
1 stop9h 34mMultiple Airlines
Tue 7/29:13 pmBOI - STL
1 stop14h 52mMultiple Airlines
Deal found 5/26$243
Tue 6/253:23 pmSTL - BOI
3 stops29h 47mSpirit Airlines
Tue 7/29:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Deal found 5/26$268
Fri 6/283:07 pmSTL - BOI
1 stop6h 16mSpirit Airlines
Sun 6/307:19 pmBOI - STL
1 stop17h 32mSpirit Airlines
Deal found 5/27$281
Thu 6/277:55 amSTL - BOI
1 stop5h 15mDelta
Thu 7/41:50 pmBOI - STL
1 stop8h 52mDelta
Deal found 5/28$334
Mon 6/2412:15 pmSTL - BOI
3 stops29h 24mMultiple Airlines
Sun 6/309:13 pmBOI - STL
1 stop15h 38mMultiple Airlines
Deal found 5/27$337
Tue 6/257:00 amSTL - BOI
2 stops16h 05mAlaska Airlines
Tue 7/23:59 pmBOI - STL
1 stop7h 00mAlaska Airlines
Deal found 5/26$347
Fri 6/213:07 pmSTL - BOI
1 stop6h 16mSpirit Airlines
Sun 6/237:19 pmBOI - STL
1 stop17h 32mSpirit Airlines
Deal found 5/27$352

St. Louis to Boise 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Boise in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
These are some of the best deals we've found on flights to Boise in 2024 at this time. Check back soon for alternative fares.
Wed 6/191:55 pmSTL - BOI
1 stop7h 15mSpirit Airlines
Tue 6/259:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Deal found 5/26$126
Mon 9/163:02 pmSTL - BOI
1 stop26h 28mSpirit Airlines
Sat 9/2110:59 pmBOI - STL
1 stop17h 29mSpirit Airlines
Deal found 5/27$170
Mon 9/164:31 pmSTL - BOI
2 stops30h 38mSpirit Airlines
Sat 9/218:40 pmBOI - STL
1 stop19h 48mSpirit Airlines
Deal found 5/27$195
Mon 9/164:31 pmSTL - BOI
3 stops30h 38mSpirit Airlines
Sat 9/2110:59 pmBOI - STL
1 stop17h 29mSpirit Airlines
Deal found 5/27$222
Mon 6/242:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Sun 6/309:13 pmBOI - STL
1 stop15h 38mSpirit Airlines
Deal found 5/27$235
Tue 6/252:21 pmSTL - BOI
1 stop9h 34mMultiple Airlines
Tue 7/29:13 pmBOI - STL
1 stop14h 52mMultiple Airlines
Deal found 5/26$243
Wed 7/174:02 pmSTL - BOI
1 stop20h 21mMultiple Airlines
Sun 7/216:06 pmBOI - STL
1 stop20h 00mMultiple Airlines
Deal found 5/28$259
Tue 9/310:34 amSTL - BOI
2 stops35h 11mSpirit Airlines
Sun 9/810:59 pmBOI - STL
1 stop14h 13mSpirit Airlines
Deal found 5/27$262
Tue 6/253:23 pmSTL - BOI
3 stops29h 47mSpirit Airlines
Tue 7/29:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Deal found 5/26$268

St. Louis to Boise flights leaving soon

Find last-minute flight options from St. Louis to Boise for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Have a look at some of the flights available from St. Louis to Boise departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sat 6/111:39 amSTL - BOI
2 stops22h 26mMultiple Airlines
Sat 6/89:13 pmBOI - STL
3 stops18h 58mMultiple Airlines
Deal found 5/28$380
Sun 6/212:15 pmSTL - BOI
3 stops33h 10mMultiple Airlines
Tue 6/49:15 pmBOI - STL
1 stop14h 50mMultiple Airlines
Deal found 5/28$397
Sun 6/211:09 amSTL - BOI
2 stops9h 51mMultiple Airlines
Tue 6/49:15 pmBOI - STL
1 stop14h 50mMultiple Airlines
Deal found 5/28$457
Sun 6/27:01 amSTL - BOI
1 stop6h 44mMultiple Airlines
Tue 6/49:15 pmBOI - STL
1 stop14h 50mMultiple Airlines
Deal found 5/28$517
Sat 6/112:15 pmSTL - BOI
3 stops32h 45mMultiple Airlines
Sat 6/89:13 pmBOI - STL
3 stops18h 58mMultiple Airlines
Deal found 5/28$533
Sun 6/212:15 pmSTL - BOI
3 stops33h 10mMultiple Airlines
Tue 6/49:15 pmBOI - STL
3 stops16h 35mMultiple Airlines
Deal found 5/28$617
Sat 6/19:05 amSTL - BOI
1 stop5h 05mUnited Airlines
Sat 6/85:00 amBOI - STL
1 stop6h 46mUnited Airlines
Deal found 5/28$662
Sat 6/12:36 pmSTL - BOI
1 stop9h 24mAlaska Airlines
Sat 6/87:35 amBOI - STL
2 stops10h 06mAlaska Airlines
Deal found 5/28$795
Sat 6/15:31 pmSTL - BOI
1 stop6h 06mUnited Airlines
Sat 6/85:00 amBOI - STL
2 stops10h 25mUnited Airlines
Deal found 5/27$809

One-way flights to Boise from St. Louis

Search for one-way flight options from St. Louis to Boise. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Users traveling one-way from St. Louis to Boise can select one of these great deals. Those needing a return flight from St. Louis to Boise can use the search form above.
Wed 6/51:55 pmSTL - BOI
1 stop7h 15mSpirit Airlines
Deal found 5/27$84
Mon 6/242:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Deal found 5/27$97
Sun 6/96:05 pmSTL - BOI
2 stops27h 18mMultiple Airlines
Deal found 5/27$182
Sun 6/912:00 pmSTL - BOI
3 stops33h 23mMultiple Airlines
Deal found 5/27$199
Mon 6/242:29 pmSTL - BOI
2 stops10h 21mDelta
Deal found 5/28$202
Wed 6/512:15 pmSTL - BOI
3 stops33h 08mMultiple Airlines
Deal found 5/27$290
Wed 6/56:11 amSTL - BOI
2 stops8h 39mDelta
Deal found 5/27$327
Sun 6/94:02 pmSTL - BOI
1 stop7h 27mDelta
Deal found 5/27$353

Find flights from St. Louis to Boise within your budget

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 2,740,132 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$126 - $472

Route

Depart

Return

Price

Lambert-St LouisBoise Air Term. Gowen Fld

STL - BOI

STLBOI

Lambert-St Louis

Wed 6/19

1 stop7h 15m

Boise Air Term. Gowen Fld

Tue 6/25

1 stop14h 52m

$126

Lambert-St LouisBoise Air Term. Gowen Fld

STL - BOI

STLBOI

Lambert-St Louis

Mon 9/16

1 stop26h 28m

Boise Air Term. Gowen Fld

Sat 9/21

1 stop17h 29m

$170

Lambert-St LouisBoise Air Term. Gowen Fld

STL - BOI

STLBOI

Lambert-St Louis

Mon 9/16

2 stops30h 38m

Boise Air Term. Gowen Fld

Sat 9/21

1 stop19h 48m

$195

Lambert-St LouisBoise Air Term. Gowen Fld

STL - BOI

STLBOI

Lambert-St Louis

Tue 6/25

1 stop9h 34m

Boise Air Term. Gowen Fld

Tue 7/2

1 stop14h 52m

$243

Lambert-St LouisBoise Air Term. Gowen Fld

STL - BOI

STLBOI

Lambert-St Louis

Wed 7/17

1 stop20h 21m

Boise Air Term. Gowen Fld

Sun 7/21

1 stop20h 00m

$259

Lambert-St LouisBoise Air Term. Gowen Fld

STL - BOI

STLBOI

Lambert-St Louis

Mon 7/1

1 stop6h 33m

Boise Air Term. Gowen Fld

Tue 7/9

1 stop7h 38m

$302

Lambert-St LouisBoise Air Term. Gowen Fld

STL - BOI

STLBOI

Lambert-St Louis

Wed 11/13

2 stops9h 29m

Boise Air Term. Gowen Fld

Wed 11/20

1 stop5h 47m

$318

Lambert-St LouisBoise Air Term. Gowen Fld

STL - BOI

STLBOI

Lambert-St Louis

Tue 6/25

2 stops16h 05m

Boise Air Term. Gowen Fld

Tue 7/2

1 stop7h 00m

$347

Lambert-St LouisBoise Air Term. Gowen Fld

STL - BOI

STLBOI

Lambert-St Louis

Fri 7/12

1 stop6h 28m

Boise Air Term. Gowen Fld

Fri 7/19

2 stops17h 21m

$472

Flights are sorted by cheapest first

Deals found on 5/26

When is the best time to book a flight from St. Louis to Boise?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Boise. Price data was last updated on May 24, 2024.
The price you pay for your flight from St. Louis to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from St. Louis to Boise?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Boise. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Boise flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.
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.

Temperature and rainfall in Boise by month

Plan your trip to Boise by taking into account the average temperature and rainfall totals by month.

BOI

Temperature

30.2 - 75.2 °F

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 May 28, 2024.
See what other customers who have flown with Spirit Airlines, American Airlines and Delta from St. Louis to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,194 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,476 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,799 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,316 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Spirit Airlines
6.4
Okay
8,617 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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.

  • Can I find flights from St. Louis to Boise for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Boise for under $200. The cheapest flight booked recently is on Spirit Airlines for just $126, but on average you can expect to pay $264.

  • Are there last-minute flights available from St. Louis to Boise for under $400?

    There are currently 10+ open flights from St. Louis to Boise within the next 7 days for less than $400.

  • What are the cheapest airlines flying from St. Louis to Boise round-trip?

    According to our current data, Spirit Airlines ($126), American Airlines ($302), and Delta ($318) offers the cheapest pricing from St. Louis to Boise. Spirit Airlines is priced at 72% lower than the current average price of a flight leaving 3 months from now.

  • What does STL to BOI mean?

    Great question - STL to BOI just means Lambert-St Louis Airport to Boise Air Term. Gowen Fld Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from St. Louis to Boise that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Boise flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Boise with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Boise flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Boise that include hotel bookings?

    Yes. In addition to deals on St. Louis to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Boise.

  • Can I find deals for business class flights from St. Louis to Boise?

    Yes. Cheapflights offers flight deals from St. Louis to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Boise that allow pets onboard?

    Many airlines flying from St. Louis to Boise offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Boise?

    Yes, you can often find last-minute deals on St. Louis to Boise flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Boise flight deals updated?

    The St. Louis to Boise flight deals you see on this page were last updated on 5/28.

  • What are the most popular airlines that fly from St. Louis to Boise?

    Before booking your flight from St. Louis to Boise check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

  • When is the best time to book a flight from St. Louis to Boise?

    Currently, December is the cheapest month in which you can book a flight from St. Louis to Boise (average of $311). Flying from St. Louis to Boise in June is currently the most expensive (average of $452). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Boise
See prices for flight routes from nearby airports that may be better suited for you.

St. Louis to Jackson flights
St. Louis to Spokane flights
Kansas City to Jackson flights
Kansas City to Boise flights
Kansas City to Spokane flights
Springfield to Jackson flights
Springfield to Spokane flights
St. Louis to Idaho Falls flights
Kansas City to Idaho Falls flights
Springfield to Boise flights
Springfield to Idaho Falls flights
St. Louis to West Yellowstone flights
Kansas City to West Yellowstone flights
St. Louis to Pocatello flights
Kansas City to Hailey flights
Joplin to Spokane flights
St. Louis to Lewiston flights
Columbia to Spokane flights
Kansas City to Pocatello flights
Springfield to West Yellowstone flights
Joplin to Jackson flights
Columbia to West Yellowstone flights
Columbia to Jackson flights

Top 5 airlines flying from St. Louis to Boise

Discover the top 5 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 2,740,132 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$193Average$239FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$296Average$464FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$304Average$388FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$316Average$513FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$319Average$528FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Denver to Las Vegas flights
Las Vegas to Orlando flights
New York to New Jersey flights
Phoenix to Boston flights
Dallas to Salt Lake City flights
Boston to Toronto flights
New Orleans to Orlando flights
Dallas to San Diego flights
Boston to Pittsburgh flights
San Diego to Phoenix flights
Cincinnati to Orlando flights
St. Louis to Mumbai flights

Search flights from St. Louis to Boise by cabin class

Find flights from St. Louis to Boise, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Boise?

Deals for St. Louis to Boise flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Boise?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Boise by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to Boise with no change fees?

Need flexible booking options for your flight to Boise from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Boise become cheaper?

Of course! You can now track prices for flights from St. Louis to Boise and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines