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Cheap flights from Boise to St. Louis from $146

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 - 11:17 amBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
19h 27m1 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
$307Frontier
Thu, Sep 10 - Sun, Sep 13
Frontier Logo
2:50 pm - 11:17 amBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
19h 27m1 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
$318Frontier
Thu, Sep 10 - Sun, Sep 13
Southwest Logo
4:45 pm - 11:20 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
5h 35m1 stop Phoenix Sky Harbor Intl
Southwest Logo
6:20 pm - 1:00 amSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
7h 40m1 stop Las Vegas Harry Reid Intl
$364Southwest
Thu, Oct 1 - Mon, Oct 5
Frontier Logo
2:50 pm - 11:17 amBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
19h 27m1 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
$368Frontier
Thu, Sep 10 - Sun, Sep 13
United Airlines Logo
12:26 pm - 7:41 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
6h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
4:39 pm - 10:33 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
6h 54m1 stop Denver Intl
$369United Airlines
Sat, Oct 3 - Tue, Oct 6
United Airlines Logo
10:36 am - 4:34 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
4h 58m1 stop Denver Intl
United Airlines Logo
4:40 pm - 9:45 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
6h 05m1 stop Denver Intl
$369United Airlines
Sat, Sep 5 - Wed, Sep 9
Southwest Logo
12:45 pm - 11:25 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
9h 40m2 stops San Jose Los Angeles
Southwest Logo
5:05 am - 11:20 amSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
7h 15m1 stop Phoenix Sky Harbor Intl
$374Southwest
Thu, Oct 1 - Mon, Oct 5
Delta Logo
10:37 am - 11:26 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
11h 49m2 stops Seattle/Tacoma Intl Minneapolis St Paul
Delta Logo
7:08 am - 6:37 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
12h 29m2 stops Salt Lake City Seattle/Tacoma Intl
$383Delta
Fri, Dec 4 - Mon, Dec 7
Southwest Logo
12:45 pm - 11:25 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
9h 40m2 stops San Jose Los Angeles
Southwest Logo
9:55 pm - 11:20 amSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
14h 25m2 stops Los Angeles Sacramento Intl
$385Southwest
Thu, Oct 1 - Mon, Oct 5
Delta Logo
10:38 am - 11:18 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
11h 40m2 stops Seattle/Tacoma Intl Minneapolis St Paul
Delta Logo
3:45 pm - 11:52 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
9h 07m2 stops Minneapolis St Paul Seattle/Tacoma Intl
$408Delta
Thu, Jan 28 - Sun, Jan 31

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Frontier flights from Boise to St. Louis

Our best Frontier deals on Boise to St. Louis flight tickets
Frontier
Sep 10
BOI2:50 pmBoise Air Term. Gowen Fld
19h 27m
1 stop
STL11:17 amLambert-St Louis
Sep 13
STL12:27 pmLambert-St Louis
26h 28m
1 stop
BOI1:55 pmBoise Air Term. Gowen Fld
$307
Frontier
Sep 10
BOI2:50 pmBoise Air Term. Gowen Fld
19h 27m
1 stop
STL11:17 amLambert-St Louis
Sep 13
STL12:27 pmLambert-St Louis
26h 28m
1 stop
BOI1:55 pmBoise Air Term. Gowen Fld
$318
Frontier
Sep 10
BOI2:50 pmBoise Air Term. Gowen Fld
19h 27m
1 stop
STL11:17 amLambert-St Louis
Sep 13
STL12:27 pmLambert-St Louis
26h 28m
1 stop
BOI1:55 pmBoise Air Term. Gowen Fld
$368

Southwest flights from Boise to St. Louis

Our best Southwest deals on Boise to St. Louis flight tickets
Southwest
Oct 1
BOI4:45 pmBoise Air Term. Gowen Fld
5h 35m
1 stop
STL11:20 pmLambert-St Louis
Oct 5
STL6:20 pmLambert-St Louis
7h 40m
1 stop
BOI1:00 amBoise Air Term. Gowen Fld
$364
Southwest
Oct 1
BOI12:45 pmBoise Air Term. Gowen Fld
9h 40m
2 stops
STL11:25 pmLambert-St Louis
Oct 5
STL9:55 pmLambert-St Louis
14h 25m
2 stops
BOI11:20 amBoise Air Term. Gowen Fld
$385
Southwest
Oct 3
BOI11:25 amBoise Air Term. Gowen Fld
7h 30m
2 stops
STL7:55 pmLambert-St Louis
Oct 6
STL4:05 pmLambert-St Louis
8h 05m
2 stops
BOI11:10 pmBoise Air Term. Gowen Fld
$404

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 9/10

2:50 pm-11:17 am

1 stop19h 27m

Lambert-St Louis

Sun 9/13

12:27 pm-1:55 pm

1 stop26h 28m

$307

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 9/10

2:50 pm-11:17 am

1 stop19h 27m

Lambert-St Louis

Sun 9/13

12:27 pm-1:55 pm

1 stop26h 28m

$318

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 10/1

4:45 pm-11:20 pm

1 stop5h 35m

Lambert-St Louis

Mon 10/5

6:20 pm-1:00 am

1 stop7h 40m

$364

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 9/10

2:50 pm-11:17 am

1 stop19h 27m

Lambert-St Louis

Sun 9/13

12:27 pm-1:55 pm

1 stop26h 28m

$368

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Sat 10/3

12:26 pm-7:41 pm

1 stop6h 15m

Lambert-St Louis

Tue 10/6

4:39 pm-10:33 pm

1 stop6h 54m

$369
Quickest round-trip

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Sat 9/5

10:36 am-4:34 pm

1 stop4h 58m

Lambert-St Louis

Wed 9/9

4:40 pm-9:45 pm

1 stop6h 05m

$369

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 10/1

12:45 pm-11:25 pm

2 stops9h 40m

Lambert-St Louis

Mon 10/5

5:05 am-11:20 am

1 stop7h 15m

$374

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Fri 12/4

10:37 am-11:26 pm

2 stops11h 49m

Lambert-St Louis

Mon 12/7

7:08 am-6:37 pm

2 stops12h 29m

$383

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 10/1

12:45 pm-11:25 pm

2 stops9h 40m

Lambert-St Louis

Mon 10/5

9:55 pm-11:20 am

2 stops14h 25m

$385

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 1/28

10:38 am-11:18 pm

2 stops11h 40m

Lambert-St Louis

Sun 1/31

3:45 pm-11:52 pm

2 stops9h 07m

$408

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 $404 to $550.
The lowest price recently found on this route was $307.

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

$146

Fastest flight time

4h 56m

Direct flights

None
The best one-way flight to St. Louis from Boise in the past 72 hours is $146. The best round-trip flight deal from Boise to St. Louis found on momondo in the last 72 hours is $307.
The fastest flight from Boise to St. Louis takes 4h 56m
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 56m.

  • 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
8,515 reviews
Search Delta flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
10,113 reviews
Search United Airlines flights
SouthwestPriceFrom $347Free CancellationRating
8.0
4,214 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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