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Cheap flights from Boise to St. Louis from $176

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:50 pm - 11:32 amBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
19h 42m1 stop Las Vegas Harry Reid Intl
Frontier Logo
12:17 pm - 1:55 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
26h 38m1 stop Las Vegas Harry Reid Intl
$297Frontier
Mon, Sep 28 - Wed, Oct 7
Frontier Logo
2:50 pm - 11:27 amBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
19h 37m1 stop Las Vegas Harry Reid Intl
Frontier Logo
12:27 pm - 1:55 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
26h 28m1 stop Las Vegas Harry Reid Intl
$310Frontier
Thu, Sep 17 - Thu, Sep 24
Frontier Logo
2:50 pm - 11:32 amBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
19h 42m1 stop Las Vegas Harry Reid Intl
Frontier Logo
12:17 pm - 1:55 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
26h 38m1 stop Las Vegas Harry Reid Intl
$311Frontier
Fri, Sep 25 - Wed, Sep 30
Southwest Logo
3:50 pm - 12:40 amBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
7h 50m1 stop Las Vegas Harry Reid Intl
Southwest Logo
5:05 am - 11:20 amSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
7h 15m1 stop Phoenix Sky Harbor Intl
$369Southwest
Mon, Sep 28 - Mon, Oct 5
Southwest Logo
3:50 pm - 12:40 amBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
7h 50m1 stop Las Vegas Harry Reid Intl
Southwest Logo
9:55 pm - 11:20 amSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
14h 25m2 stops Los Angeles Los Angeles Sacramento Intl
$380Southwest
Mon, Sep 28 - Mon, Oct 5
Southwest Logo
4:45 pm - 11:25 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
5h 40m1 stop Phoenix Sky Harbor Intl
Southwest Logo
8:40 am - 2:10 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
6h 30m1 stop Sacramento Intl
$391Southwest
Fri, Oct 30 - Sat, Nov 14
United Airlines Logo
5:30 pm - 11:44 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
5h 14m1 stop Denver Intl
United Airlines Logo
6:00 am - 11:28 amSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
6h 28m1 stop Chicago O'Hare Intl
$423United Airlines
Wed, Sep 30 - Sun, Oct 4
Delta Logo
7:19 pm - 8:40 amBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
12h 21m2 stops Seattle/Tacoma Intl Minneapolis St Paul
Delta Logo
7:45 am - 6:33 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
11h 48m2 stops Salt Lake City Seattle/Tacoma Intl
$433Delta
Mon, Sep 28 - Wed, Oct 7
United Airlines Logo
5:00 am - 3:43 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
9h 43m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
1:40 pm - 6:03 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
5h 23m1 stop Denver Intl
$434United Airlines
Thu, Oct 29 - Sun, Nov 1
Delta Logo
10:34 am - 11:21 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
11h 47m2 stops Seattle/Tacoma Intl Minneapolis St Paul
Delta Logo
6:21 am - 5:14 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
11h 53m2 stops Minneapolis St Paul Seattle/Tacoma Intl
$434Delta
Thu, Oct 29 - Sun, Nov 1

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Alaska Airlines flights from Boise to St. Louis

Our best Alaska Airlines deals on Boise to St. Louis flight tickets
Alaska Airlines
Sep 20
BOI6:23 amBoise Air Term. Gowen Fld
6h 58m
1 stop
STL2:21 pmLambert-St Louis
Sep 21
STL6:08 pmLambert-St Louis
6h 47m
1 stop
BOI11:55 pmBoise Air Term. Gowen Fld
$443
Alaska Airlines
Sep 10
BOI2:16 pmBoise Air Term. Gowen Fld
8h 43m
1 stop
STL11:59 pmLambert-St Louis
Sep 14
STL6:29 amLambert-St Louis
7h 06m
1 stop
BOI12:35 pmBoise Air Term. Gowen Fld
$483
Alaska Airlines
Sep 25
BOI5:52 pmBoise Air Term. Gowen Fld
14h 32m
2 stops
STL9:24 amLambert-St Louis
Sep 29
STL6:29 amLambert-St Louis
14h 51m
2 stops
BOI8:20 pmBoise Air Term. Gowen Fld
$494

Delta flights from Boise to St. Louis

Our best Delta deals on Boise to St. Louis flight tickets
Delta
Sep 28
BOI7:19 pmBoise Air Term. Gowen Fld
12h 21m
2 stops
STL8:40 amLambert-St Louis
Oct 7
STL7:45 amLambert-St Louis
11h 48m
2 stops
BOI6:33 pmBoise Air Term. Gowen Fld
$433
Delta
Oct 29
BOI10:34 amBoise Air Term. Gowen Fld
11h 47m
2 stops
STL11:21 pmLambert-St Louis
Nov 1
STL6:21 amLambert-St Louis
11h 53m
2 stops
BOI5:14 pmBoise Air Term. Gowen Fld
$434
Delta
Oct 1
BOI7:19 pmBoise Air Term. Gowen Fld
12h 21m
2 stops
STL8:40 amLambert-St Louis
Oct 5
STL3:52 pmLambert-St Louis
9h 06m
2 stops
BOI11:58 pmBoise Air Term. Gowen Fld
$453

momondo Fare Finder

 
Use the filters below to find and compare flights from Boise to St. Louis that are best for you.

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Price

Cheapest round-trip

BoiseSt. Louis

BOI Boise Air Term. Gowen Fld - STL Lambert-St Louis

BOISTL

Boise Air Term. Gowen Fld

Mon 9/28

2:50 pm-11:32 am

1 stop19h 42m

Lambert-St Louis

Wed 10/7

12:17 pm-1:55 pm

1 stop26h 38m

$297

BoiseSt. Louis

BOI Boise Air Term. Gowen Fld - STL Lambert-St Louis

BOISTL

Boise Air Term. Gowen Fld

Thu 9/17

2:50 pm-11:27 am

1 stop19h 37m

Lambert-St Louis

Thu 9/24

12:27 pm-1:55 pm

1 stop26h 28m

$310

BoiseSt. Louis

BOI Boise Air Term. Gowen Fld - STL Lambert-St Louis

BOISTL

Boise Air Term. Gowen Fld

Fri 9/25

2:50 pm-11:32 am

1 stop19h 42m

Lambert-St Louis

Wed 9/30

12:17 pm-1:55 pm

1 stop26h 38m

$311

BoiseSt. Louis

BOI Boise Air Term. Gowen Fld - STL Lambert-St Louis

BOISTL

Boise Air Term. Gowen Fld

Mon 9/28

3:50 pm-12:40 am

1 stop7h 50m

Lambert-St Louis

Mon 10/5

5:05 am-11:20 am

1 stop7h 15m

$369

BoiseSt. Louis

BOI Boise Air Term. Gowen Fld - STL Lambert-St Louis

BOISTL

Boise Air Term. Gowen Fld

Mon 9/28

3:50 pm-12:40 am

1 stop7h 50m

Lambert-St Louis

Mon 10/5

9:55 pm-11:20 am

2 stops14h 25m

$380

BoiseSt. Louis

BOI Boise Air Term. Gowen Fld - STL Lambert-St Louis

BOISTL

Boise Air Term. Gowen Fld

Fri 10/30

4:45 pm-11:25 pm

1 stop5h 40m

Lambert-St Louis

Sat 11/14

8:40 am-2:10 pm

1 stop6h 30m

$391
Quickest round-trip

BoiseSt. Louis

BOI Boise Air Term. Gowen Fld - STL Lambert-St Louis

BOISTL

Boise Air Term. Gowen Fld

Wed 9/30

5:30 pm-11:44 pm

1 stop5h 14m

Lambert-St Louis

Sun 10/4

6:00 am-11:28 am

1 stop6h 28m

$423

BoiseSt. Louis

BOI Boise Air Term. Gowen Fld - STL Lambert-St Louis

BOISTL

Boise Air Term. Gowen Fld

Mon 9/28

7:19 pm-8:40 am

2 stops12h 21m

Lambert-St Louis

Wed 10/7

7:45 am-6:33 pm

2 stops11h 48m

$433

BoiseSt. Louis

BOI Boise Air Term. Gowen Fld - STL Lambert-St Louis

BOISTL

Boise Air Term. Gowen Fld

Thu 10/29

5:00 am-3:43 pm

2 stops9h 43m

Lambert-St Louis

Sun 11/1

1:40 pm-6:03 pm

1 stop5h 23m

$434

BoiseSt. Louis

BOI Boise Air Term. Gowen Fld - STL Lambert-St Louis

BOISTL

Boise Air Term. Gowen Fld

Thu 10/29

10:34 am-11:21 pm

2 stops11h 47m

Lambert-St Louis

Sun 11/1

6:21 am-5:14 pm

2 stops11h 53m

$434

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Boise to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boise and St. Louis?

Prices are currently low for flights on this route.

Typical prices usually range from $425 to $489.
The lowest price recently found on this route was $297.

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

In general, February is the cheapest month to fly from Boise to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of April is another great option to travel to St. Louis, with average flight prices from Boise averaging around $413.

How have Boise to St. Louis flight prices changed over time?

When to book flights from Boise to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to St. Louis (BOI to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to St. Louis

Best Price Found

$176

Fastest flight time

4h 55m

Direct flights

None
The best one-way flight to St. Louis from Boise in the past 72 hours is $176. The best round-trip flight deal from Boise to St. Louis found on momondo in the last 72 hours is $297.
The fastest flight from Boise to St. Louis takes 4h 55m
There are no direct flights from Boise to St. Louis. There are no popular flight routes from Boise to St. Louis.
Search flight deals

Frequently asked questions about flying from Boise to St. Louis

  • How far is Boise Air Term. Gowen Fld to Lambert-St Louis by plane?

    The distance between Boise Air Term. Gowen Fld and Lambert-St Louis is about 1389.5 mi. By plane, this route typically takes 4h 55m.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Lambert-St Louis Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Lambert-St Louis Airport are updated daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boise to St. Louis?

Best airlines flying from Boise to St. Louis

Compare and see reviews for airlines that fly from Boise to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $283Free CancellationRating
7.4
10,159 reviews
Search United Airlines flights
DeltaPriceFrom $316Free CancellationRating
7.8
8,549 reviews
Search Delta flights
SouthwestPriceFrom $347Free CancellationRating
8.0
4,198 reviews
Search Southwest flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Maryland Heights
St. Peters
Alton
Florissant
Collinsville
Hermann
O'Fallon
Clayton
Farmington
Fenton
Festus
Wentzville
Eureka
Edwardsville
Litchfield
Grafton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Boise to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Boise.

Can I find flights from Boise to St. Louis with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. Louis from Boise which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boise to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Boise.

I’m not ready to book a flight from Boise to St. Louis right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boise to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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