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Cheap flights from Boise to St. Louis from $185

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 - 11:27 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
$298Frontier
Thu, Sep 17 - Sun, Sep 20
Alaska Airlines Logo
7:00 am - 5:10 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
9h 10m2 stops Sacramento Intl Portland
Alaska Airlines Logo
6:29 am - 8:20 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
14h 51m2 stops Seattle/Tacoma Intl San Diego
$313Alaska Airlines
Tue, Sep 22 - Tue, Sep 29
Alaska Airlines Logo
6:23 am - 2:21 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
6h 58m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:29 am - 8:20 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
14h 51m2 stops Seattle/Tacoma Intl San Diego
$321Alaska Airlines
Tue, Sep 22 - Tue, Sep 29
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
8:00 am - 12:18 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
5h 18m1 stop Salt Lake City
$467Delta
Thu, Oct 1 - Mon, Oct 5
Delta Logo
2:50 pm - 11:16 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
7h 26m1 stop Minneapolis St Paul
Delta Logo
6:15 am - 1:44 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
8h 29m1 stop Minneapolis St Paul
$483Delta
Thu, Sep 10 - Sun, Sep 13
Southwest Logo
4:55 pm - 11:55 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
6h 00m1 stop Phoenix Sky Harbor Intl
Southwest Logo
2:20 pm - 10:40 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
9h 20m2 stops Chicago Midway Denver Intl
$488Southwest
Thu, Sep 10 - Mon, Sep 14
Southwest Logo
4:55 pm - 11:55 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
6h 00m1 stop Phoenix Sky Harbor Intl
Southwest Logo
6:45 am - 2:45 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
9h 00m2 stops Denver Intl Sacramento Intl
$511Southwest
Thu, Sep 10 - Sun, Sep 13
United Airlines Logo
5:00 am - 3:38 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
9h 38m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
5:30 pm - 10:53 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
6h 23m1 stop Chicago O'Hare Intl
$564United Airlines
Thu, Sep 10 - Mon, Sep 14
United Airlines Logo
5:00 am - 3:38 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
9h 38m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
8:42 am - 3:31 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
7h 49m1 stop San Francisco
$578United Airlines
Thu, Sep 10 - Sun, Sep 13
Delta Logo
5:15 am - 12:17 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
6h 02m1 stop Minneapolis St Paul
Delta Logo
6:13 am - 12:34 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
7h 21m1 stop Minneapolis St Paul
$634Delta
Mon, Nov 23 - Sat, Nov 28

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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 22
BOI7:00 amBoise Air Term. Gowen Fld
9h 10m
2 stops
STL5:10 pmLambert-St Louis
Sep 29
STL6:29 amLambert-St Louis
14h 51m
2 stops
BOI8:20 pmBoise Air Term. Gowen Fld
$313
Alaska Airlines
Sep 22
BOI6:23 amBoise Air Term. Gowen Fld
6h 58m
1 stop
STL2:21 pmLambert-St Louis
Sep 29
STL6:29 amLambert-St Louis
14h 51m
2 stops
BOI8:20 pmBoise Air Term. Gowen Fld
$321
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
$369

American Airlines flights from Boise to St. Louis

Our best American Airlines deals on Boise to St. Louis flight tickets
American Airlines
Oct 1
BOI3:21 pmBoise Air Term. Gowen Fld
8h 06m
1 stop
STL12:27 amLambert-St Louis
Oct 5
STL5:40 amLambert-St Louis
6h 44m
1 stop
BOI11:24 amBoise Air Term. Gowen Fld
$369
American Airlines
Sep 30
BOI1:52 pmBoise Air Term. Gowen Fld
9h 35m
2 stops
STL12:27 amLambert-St Louis
Oct 7
STL8:03 amLambert-St Louis
9h 56m
1 stop
BOI4:59 pmBoise Air Term. Gowen Fld
$374
American Airlines
Sep 30
BOI1:52 pmBoise Air Term. Gowen Fld
9h 35m
2 stops
STL12:27 amLambert-St Louis
Oct 7
STL5:40 amLambert-St Louis
8h 42m
2 stops
BOI1:22 pmBoise Air Term. Gowen Fld
$380

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

Thu 9/17

2:50 pm-11:27 am

1 stop19h 37m

Lambert-St Louis

Sun 9/20

12:27 pm-1:55 pm

1 stop26h 28m

$298

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Tue 9/22

7:00 am-5:10 pm

2 stops9h 10m

Lambert-St Louis

Tue 9/29

6:29 am-8:20 pm

2 stops14h 51m

$313

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Tue 9/22

6:23 am-2:21 pm

1 stop6h 58m

Lambert-St Louis

Tue 9/29

6:29 am-8:20 pm

2 stops14h 51m

$321

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 10/1

7:19 pm-8:40 am

2 stops12h 21m

Lambert-St Louis

Mon 10/5

8:00 am-12:18 pm

1 stop5h 18m

$467

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 9/10

2:50 pm-11:16 pm

1 stop7h 26m

Lambert-St Louis

Sun 9/13

6:15 am-1:44 pm

1 stop8h 29m

$483

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 9/10

4:55 pm-11:55 pm

1 stop6h 00m

Lambert-St Louis

Mon 9/14

2:20 pm-10:40 pm

2 stops9h 20m

$488

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 9/10

4:55 pm-11:55 pm

1 stop6h 00m

Lambert-St Louis

Sun 9/13

6:45 am-2:45 pm

2 stops9h 00m

$511

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 9/10

5:00 am-3:38 pm

2 stops9h 38m

Lambert-St Louis

Mon 9/14

5:30 pm-10:53 pm

1 stop6h 23m

$564

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 9/10

5:00 am-3:38 pm

2 stops9h 38m

Lambert-St Louis

Sun 9/13

8:42 am-3:31 pm

1 stop7h 49m

$578
Quickest round-trip

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Mon 11/23

5:15 am-12:17 pm

1 stop6h 02m

Lambert-St Louis

Sat 11/28

6:13 am-12:34 pm

1 stop7h 21m

$634

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 $394 to $489.
The lowest price recently found on this route was $298.

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

$185

Fastest flight time

4h 51m

Direct flights

None
The best one-way flight to St. Louis from Boise in the past 72 hours is $185. The best round-trip flight deal from Boise to St. Louis found on momondo in the last 72 hours is $298.
The fastest flight from Boise to St. Louis takes 4h 51m
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 51m.

  • 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
DeltaPriceFrom $260Free CancellationRating
7.8
8,540 reviews
Search Delta flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
10,135 reviews
Search United Airlines flights
SouthwestPriceFrom $347Free CancellationRating
8.0
4,201 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
Hermann
Alton
Florissant
Collinsville
O'Fallon
Farmington
Clayton
Fenton
Festus
Wentzville
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

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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