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Cheap flights from Boise to St. Louis from $154

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
9:51 pm - 1:47 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
14h 56m1 stop Las Vegas Harry Reid Intl
Frontier Logo
2:47 pm - 8:56 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
7h 09m1 stop Las Vegas Harry Reid Intl
$296Frontier
Thu, Dec 3 - Fri, Dec 11
Southwest Logo
5:45 am - 12:30 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
5h 45m1 stop Phoenix Sky Harbor Intl
Southwest Logo
8:25 am - 2:15 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
6h 50m1 stop San Diego
$360Southwest
Thu, Dec 3 - Thu, Dec 10
Delta Logo
6:45 pm - 12:40 amBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
4h 55m1 stop Salt Lake City
Delta Logo
7:08 am - 12:24 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
6h 16m1 stop Salt Lake City
$369Delta
Mon, Nov 9 - Mon, Nov 16
American Airlines Logo
2:41 pm - 9:59 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
6h 18m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 1:51 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
8h 51m1 stop Dallas/Fort Worth
$369American Airlines
Tue, Nov 10 - Thu, Nov 12
American Airlines Logo
1:24 pm - 10:15 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
7h 51m1 stop Chicago O'Hare Intl
American Airlines Logo
6:00 am - 1:51 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
8h 51m1 stop Dallas/Fort Worth
$369American Airlines
Mon, Nov 16 - Wed, Nov 18
Southwest Logo
5:45 am - 12:30 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
5h 45m1 stop Phoenix Sky Harbor Intl
Southwest Logo
3:55 pm - 10:55 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
8h 00m2 stops Dallas Love Field Denver Intl
$370Southwest
Thu, Dec 3 - Fri, Dec 11
Alaska Airlines Logo
3:01 pm - 2:56 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
22h 55m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:04 pm - 10:20 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
8h 16m1 stop Seattle/Tacoma Intl
$414Alaska Airlines
Tue, Feb 9 - Thu, Feb 11
United Airlines Logo
12:31 pm - 7:23 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
5h 52m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 1:45 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
8h 45m2 stops Chicago O'Hare Intl Denver Intl
$494United Airlines
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
10:34 am - 11:24 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
11h 50m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
4:39 pm - 10:59 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
7h 20m1 stop Denver Intl
$604United Airlines
Wed, Oct 28 - Thu, Oct 29
Delta Logo
5:30 am - 12:21 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
5h 51m1 stop Minneapolis St Paul
Delta Logo
7:08 am - 12:24 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
6h 16m1 stop Salt Lake City
$769Delta
Tue, Nov 24 - Sun, Nov 29

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Frontier flights from Boise to St. Louis

Our best Frontier deals on Boise to St. Louis flight tickets
Frontier
Dec 3
BOI9:51 pmBoise Air Term. Gowen Fld
14h 56m
1 stop
STL1:47 pmLambert-St Louis
Dec 11
STL2:47 pmLambert-St Louis
7h 09m
1 stop
BOI8:56 pmBoise Air Term. Gowen Fld
$296
Frontier
Dec 23
BOI6:56 pmBoise Air Term. Gowen Fld
19h 01m
1 stop
STL2:57 pmLambert-St Louis
Dec 27
STL3:52 pmLambert-St Louis
27h 09m
1 stop
BOI6:01 pmBoise Air Term. Gowen Fld
$581
Frontier
Nov 25
BOI7:55 pmBoise Air Term. Gowen Fld
19h 25m
1 stop
STL4:20 pmLambert-St Louis
Nov 28
STL5:15 pmLambert-St Louis
26h 45m
1 stop
BOI7:00 pmBoise Air Term. Gowen Fld
$739

Southwest flights from Boise to St. Louis

Our best Southwest deals on Boise to St. Louis flight tickets
Southwest
Dec 3
BOI5:45 amBoise Air Term. Gowen Fld
5h 45m
1 stop
STL12:30 pmLambert-St Louis
Dec 10
STL8:25 amLambert-St Louis
6h 50m
1 stop
BOI2:15 pmBoise Air Term. Gowen Fld
$360
Southwest
Dec 3
BOI5:45 amBoise Air Term. Gowen Fld
5h 45m
1 stop
STL12:30 pmLambert-St Louis
Dec 10
STL6:25 amLambert-St Louis
8h 50m
2 stops
BOI2:15 pmBoise Air Term. Gowen Fld
$370
Southwest
Dec 3
BOI5:45 amBoise Air Term. Gowen Fld
10h 40m
2 stops
STL5:25 pmLambert-St Louis
Dec 11
STL3:55 pmLambert-St Louis
8h 00m
2 stops
BOI10:55 pmBoise Air Term. Gowen Fld
$385

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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Route

Depart

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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 12/3

9:51 pm-1:47 pm

1 stop14h 56m

Lambert-St Louis

Fri 12/11

2:47 pm-8:56 pm

1 stop7h 09m

$296

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 12/3

5:45 am-12:30 pm

1 stop5h 45m

Lambert-St Louis

Thu 12/10

8:25 am-2:15 pm

1 stop6h 50m

$360
Quickest round-trip

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Mon 11/9

6:45 pm-12:40 am

1 stop4h 55m

Lambert-St Louis

Mon 11/16

7:08 am-12:24 pm

1 stop6h 16m

$369

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Tue 11/10

2:41 pm-9:59 pm

1 stop6h 18m

Lambert-St Louis

Thu 11/12

6:00 am-1:51 pm

1 stop8h 51m

$369

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Mon 11/16

1:24 pm-10:15 pm

1 stop7h 51m

Lambert-St Louis

Wed 11/18

6:00 am-1:51 pm

1 stop8h 51m

$369

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Thu 12/3

5:45 am-12:30 pm

1 stop5h 45m

Lambert-St Louis

Fri 12/11

3:55 pm-10:55 pm

2 stops8h 00m

$370

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Tue 2/9

3:01 pm-2:56 pm

1 stop22h 55m

Lambert-St Louis

Thu 2/11

3:04 pm-10:20 pm

1 stop8h 16m

$414

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Tue 10/27

12:31 pm-7:23 pm

1 stop5h 52m

Lambert-St Louis

Sat 10/31

6:00 am-1:45 pm

2 stops8h 45m

$494

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Wed 10/28

10:34 am-11:24 pm

2 stops11h 50m

Lambert-St Louis

Thu 10/29

4:39 pm-10:59 pm

1 stop7h 20m

$604

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Tue 11/24

5:30 am-12:21 pm

1 stop5h 51m

Lambert-St Louis

Sun 11/29

7:08 am-12:24 pm

1 stop6h 16m

$769

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 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

$154

Fastest flight time

5h 23m

Direct flights

None
The best one-way flight to St. Louis from Boise in the past 72 hours is $154. The best round-trip flight deal from Boise to St. Louis found on momondo in the last 72 hours is $296.
The fastest flight from Boise to St. Louis takes 5h 23m
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 5h 23m.

  • 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 $316Free CancellationRating
7.8
8,653 reviews
Search Delta flights
SouthwestPriceFrom $347Free CancellationRating
7.9
4,215 reviews
Search Southwest flights
United AirlinesPriceFrom $355Free CancellationRating
7.4
10,365 reviews
Search United Airlines flights
American AirlinesPriceFrom $372Free CancellationRating
7.0
12,169 reviews
Search American Airlines flights

  • Southwest Flights From Boise to St. Louis

    Southwest flies from Boise to St. Louis around 3 times per week, with 4,215 momondo users rating the airline 7.9/10. The cheapest Southwest deal from Boise to St. Louis in the last 72 hours was $347 (round-trip), much lower than the average airfare cost of $539 for Southwest flights on this route.

Traveling to a place near St. Louis?

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