Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boise to St. Louis from $135

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.
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
2:05 pm - 9:40 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
8h 35m1 stop Phoenix Sky Harbor Intl
$264Southwest
Tue, Nov 3 - Tue, Nov 10
American Airlines Logo
2:41 pm - 11:42 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
8h 01m1 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
$269American Airlines
Wed, Oct 21 - Wed, Nov 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 - 3:50 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
8h 25m2 stops Dallas Love Field Phoenix Sky Harbor Intl
$270Southwest
Tue, Nov 3 - Tue, Nov 10
American Airlines Logo
2:02 pm - 11:42 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
8h 40m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
American Airlines Logo
7:26 am - 12:37 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
6h 11m1 stop Chicago O'Hare Intl
$274American Airlines
Wed, Oct 21 - Wed, Nov 11
Alaska Airlines Logo
4:18 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
6h 41m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 3:23 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
9h 21m1 stop Seattle/Tacoma Intl
$288Alaska Airlines
Wed, Oct 28 - Thu, Oct 29
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
$348United Airlines
Thu, Oct 29 - Fri, Oct 30
Delta Logo
6:35 pm - 12:46 amBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
5h 11m1 stop Salt Lake City
Delta Logo
7:30 am - 12:17 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
5h 47m1 stop Salt Lake City
$369Delta
Wed, Dec 30 - Wed, Jan 6
United Airlines Logo
2:45 pm - 8:59 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
5h 14m1 stop Denver Intl
United Airlines Logo
8:30 am - 4:54 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
9h 24m1 stop San Francisco
$369United Airlines
Wed, Jan 6 - Wed, Jan 13
Alaska Airlines Logo
4:18 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
6h 41m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 3:23 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
9h 21m1 stop Seattle/Tacoma Intl
$369Alaska Airlines
Wed, Oct 28 - Thu, Oct 29
Delta Logo
8:59 am - 11:26 pmBOI  Boise Air Term. Gowen Fld-STL Lambert-St Louis
13h 27m2 stops Seattle/Tacoma Intl Minneapolis St Paul
Delta Logo
2:28 pm - 10:24 pmSTL  Lambert-St Louis-BOI Boise Air Term. Gowen Fld
8h 56m2 stops Salt Lake City Seattle/Tacoma Intl
$438Delta
Sat, Dec 5 - Thu, Dec 10

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Boise to St. Louis

Our best United Airlines deals on Boise to St. Louis flight tickets
United Airlines
Oct 29
BOI5:00 amBoise Air Term. Gowen Fld
9h 43m
2 stops
STL3:43 pmLambert-St Louis
Oct 30
STL1:40 pmLambert-St Louis
5h 23m
1 stop
BOI6:03 pmBoise Air Term. Gowen Fld
$348
United Airlines
Oct 28
BOI5:00 amBoise Air Term. Gowen Fld
9h 43m
2 stops
STL3:43 pmLambert-St Louis
Oct 29
STL1:40 pmLambert-St Louis
5h 23m
1 stop
BOI6:03 pmBoise Air Term. Gowen Fld
$383
United Airlines
Oct 28
BOI5:00 amBoise Air Term. Gowen Fld
9h 43m
2 stops
STL3:43 pmLambert-St Louis
Oct 29
STL7:30 amLambert-St Louis
11h 33m
2 stops
BOI6:03 pmBoise Air Term. Gowen Fld
$489

Delta flights from Boise to St. Louis

Our best Delta deals on Boise to St. Louis flight tickets
Delta
Dec 5
BOI8:59 amBoise Air Term. Gowen Fld
13h 27m
2 stops
STL11:26 pmLambert-St Louis
Dec 10
STL2:28 pmLambert-St Louis
8h 56m
2 stops
BOI10:24 pmBoise Air Term. Gowen Fld
$438
Delta
Oct 16
BOI6:49 pmBoise Air Term. Gowen Fld
4h 55m
1 stop
STL12:44 amLambert-St Louis
Oct 23
STL2:22 pmLambert-St Louis
10h 37m
2 stops
BOI11:59 pmBoise Air Term. Gowen Fld
$469
Delta
Nov 11
BOI11:32 amBoise Air Term. Gowen Fld
5h 09m
1 stop
STL5:41 pmLambert-St Louis
Nov 14
STL3:30 pmLambert-St Louis
5h 51m
1 stop
BOI8:21 pmBoise Air Term. Gowen Fld
$686

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Tue 11/3

5:45 am-12:30 pm

1 stop5h 45m

Lambert-St Louis

Tue 11/10

2:05 pm-9:40 pm

1 stop8h 35m

$264

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Wed 10/21

2:41 pm-11:42 pm

1 stop8h 01m

Lambert-St Louis

Wed 11/11

6:00 am-1:51 pm

1 stop8h 51m

$269

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Tue 11/3

5:45 am-12:30 pm

1 stop5h 45m

Lambert-St Louis

Tue 11/10

8:25 am-3:50 pm

2 stops8h 25m

$270

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Wed 10/21

2:02 pm-11:42 pm

2 stops8h 40m

Lambert-St Louis

Wed 11/11

7:26 am-12:37 pm

1 stop6h 11m

$274

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Wed 10/28

4:18 pm-11:59 pm

1 stop6h 41m

Lambert-St Louis

Thu 10/29

7:02 am-3:23 pm

1 stop9h 21m

$288

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

Fri 10/30

1:40 pm-6:03 pm

1 stop5h 23m

$348
Quickest round-trip

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Wed 12/30

6:35 pm-12:46 am

1 stop5h 11m

Lambert-St Louis

Wed 1/6

7:30 am-12:17 pm

1 stop5h 47m

$369

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Wed 1/6

2:45 pm-8:59 pm

1 stop5h 14m

Lambert-St Louis

Wed 1/13

8:30 am-4:54 pm

1 stop9h 24m

$369

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Wed 10/28

4:18 pm-11:59 pm

1 stop6h 41m

Lambert-St Louis

Thu 10/29

7:02 am-3:23 pm

1 stop9h 21m

$369

BoiseSt. Louis

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

BOISTL

Boise Air Term. Gowen Fld

Sat 12/5

8:59 am-11:26 pm

2 stops13h 27m

Lambert-St Louis

Thu 12/10

2:28 pm-10:24 pm

2 stops8h 56m

$438

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $422 to $575.
The lowest price recently found on this route was $264.

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

$135

Fastest flight time

4h 55m

Direct flights

None
The best one-way flight to St. Louis from Boise in the past 72 hours is $135. The best round-trip flight deal from Boise to St. Louis found on momondo in the last 72 hours is $264.
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
DeltaPriceFrom $316Free CancellationRating
7.8
8,592 reviews
Search Delta flights
SouthwestPriceFrom $355Free CancellationRating
8.0
4,193 reviews
Search Southwest flights
United AirlinesPriceFrom $355Free CancellationRating
7.4
10,227 reviews
Search United Airlines flights
American AirlinesPriceFrom $372Free CancellationRating
7.0
12,077 reviews
Search American Airlines 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
St. Peters
Maryland Heights
Alton
Collinsville
Florissant
Hermann
Clayton
O'Fallon
Farmington
Fenton
Festus
Edwardsville
Wentzville
Eureka
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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 10/20
Tue 10/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States