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Cheap flights from Grand Junction to St. Louis from $309

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Grand Junction to St. Louis departing on 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Grand Junction to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:44 pm - 11:43 pm
GJT
-
STL
5h 59m
1 stop
American Airlines Logo
5:43 am - 10:25 am
STL
-
GJT
5h 42m
1 stop
$329American Airlines
Thu, Sep 24 - Sat, Oct 3
American Airlines Logo
4:44 pm - 11:43 pm
GJT
-
STL
5h 59m
1 stop
American Airlines Logo
3:34 pm - 9:57 pm
STL
-
GJT
7h 23m
1 stop
$329American Airlines
Thu, Sep 24 - Sat, Oct 3
United Airlines Logo
1:40 pm - 8:46 pm
GJT
-
STL
6h 06m
1 stop
United Airlines Logo
4:40 pm - 9:59 pm
STL
-
GJT
6h 19m
1 stop
$329United Airlines
Sat, Aug 22 - Sat, Sep 5
Delta Logo
6:53 pm - 12:41 am
GJT
-
STL
4h 48m
1 stop
Delta Logo
5:00 pm - 9:56 pm
STL
-
GJT
5h 56m
1 stop
$329Delta
Wed, Aug 26 - Sun, Sep 6
Delta Logo
7:41 am - 1:38 pm
GJT
-
STL
4h 57m
1 stop
Delta Logo
5:00 pm - 9:56 pm
STL
-
GJT
5h 56m
1 stop
$329Delta
Sat, Aug 29 - Sun, Sep 6
American Airlines Logo
4:42 pm - 11:42 pm
GJT
-
STL
6h 00m
1 stop
American Airlines Logo
5:42 am - 10:05 am
STL
-
GJT
5h 23m
1 stop
$329American Airlines
Fri, Sep 4 - Tue, Sep 8
Delta Logo
7:41 am - 1:38 pm
GJT
-
STL
4h 57m
1 stop
Delta Logo
5:00 pm - 9:56 pm
STL
-
GJT
5h 56m
1 stop
$329Delta
Fri, Aug 28 - Sun, Sep 6
United Airlines Logo
1:40 pm - 10:00 pm
GJT
-
STL
7h 20m
2 stops
United Airlines Logo
5:10 am - 8:49 am
STL
-
GJT
4h 39m
1 stop
$334United Airlines
Sat, Aug 22 - Sat, Sep 5
United Airlines Logo
3:12 pm - 8:46 pm
GJT
-
STL
4h 34m
1 stop
United Airlines Logo
4:40 pm - 9:59 pm
STL
-
GJT
6h 19m
1 stop
$349United Airlines
Fri, Aug 28 - Sat, Sep 5
American Airlines Logo
4:42 pm - 11:42 pm
GJT
-
STL
6h 00m
1 stop
American Airlines Logo
10:16 am - 4:11 pm
STL
-
GJT
6h 55m
1 stop
$360American Airlines
Fri, Aug 28 - Sat, Sep 5

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American Airlines flights from Grand Junction to St. Louis

Our best American Airlines deals on Grand Junction to St. Louis flight tickets
American Airlines
Sep 24
GJT4:44 pmGrand Junction Regnl
5h 59m
1 stop
STL11:43 pmLambert-St Louis
Oct 3
STL5:43 amLambert-St Louis
5h 42m
1 stop
GJT10:25 amGrand Junction Regnl
$329
American Airlines
Aug 28
GJT4:42 pmGrand Junction Regnl
6h 00m
1 stop
STL11:42 pmLambert-St Louis
Sep 5
STL10:16 amLambert-St Louis
6h 55m
1 stop
GJT4:11 pmGrand Junction Regnl
$360
American Airlines
Aug 12
GJT10:35 amGrand Junction Regnl
6h 30m
1 stop
STL6:05 pmLambert-St Louis
Aug 16
STL5:42 amLambert-St Louis
5h 23m
1 stop
GJT10:05 amGrand Junction Regnl
$379

United Airlines flights from Grand Junction to St. Louis

Our best United Airlines deals on Grand Junction to St. Louis flight tickets
United Airlines
Aug 28
GJT3:12 pmGrand Junction Regnl
4h 34m
1 stop
STL8:46 pmLambert-St Louis
Sep 5
STL4:40 pmLambert-St Louis
6h 19m
1 stop
GJT9:59 pmGrand Junction Regnl
$349
United Airlines
Aug 28
GJT6:07 pmGrand Junction Regnl
4h 33m
1 stop
STL11:40 pmLambert-St Louis
Sep 5
STL12:59 pmLambert-St Louis
8h 36m
2 stops
GJT8:35 pmGrand Junction Regnl
$354
United Airlines
Aug 15
GJT7:00 amGrand Junction Regnl
4h 40m
1 stop
STL12:40 pmLambert-St Louis
Aug 19
STL9:30 amLambert-St Louis
9h 01m
2 stops
GJT5:31 pmGrand Junction Regnl
$384

momondo Fare Finder

 
Customize your flight search to find flights from Grand Junction to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 1, 2026.
Use the filters below to find and compare flights from Grand Junction to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Thu 9/24

4:44 pm-11:43 pm

1 stop5h 59m

Lambert-St Louis

Sat 10/3

5:43 am-10:25 am

1 stop5h 42m

$329

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Thu 9/24

4:44 pm-11:43 pm

1 stop5h 59m

Lambert-St Louis

Sat 10/3

3:34 pm-9:57 pm

1 stop7h 23m

$329

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Sat 8/22

1:40 pm-8:46 pm

1 stop6h 06m

Lambert-St Louis

Sat 9/5

4:40 pm-9:59 pm

1 stop6h 19m

$329
Quickest round-trip

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Wed 8/26

6:53 pm-12:41 am

1 stop4h 48m

Lambert-St Louis

Sun 9/6

5:00 pm-9:56 pm

1 stop5h 56m

$329

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Sat 8/29

7:41 am-1:38 pm

1 stop4h 57m

Lambert-St Louis

Sun 9/6

5:00 pm-9:56 pm

1 stop5h 56m

$329

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Fri 9/4

4:42 pm-11:42 pm

1 stop6h 00m

Lambert-St Louis

Tue 9/8

5:42 am-10:05 am

1 stop5h 23m

$329

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Fri 8/28

7:41 am-1:38 pm

1 stop4h 57m

Lambert-St Louis

Sun 9/6

5:00 pm-9:56 pm

1 stop5h 56m

$329

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Sat 8/22

1:40 pm-10:00 pm

2 stops7h 20m

Lambert-St Louis

Sat 9/5

5:10 am-8:49 am

1 stop4h 39m

$334

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Fri 8/28

3:12 pm-8:46 pm

1 stop4h 34m

Lambert-St Louis

Sat 9/5

4:40 pm-9:59 pm

1 stop6h 19m

$349

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Fri 8/28

4:42 pm-11:42 pm

1 stop6h 00m

Lambert-St Louis

Sat 9/5

10:16 am-4:11 pm

1 stop6h 55m

$360

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Grand Junction 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 airline that flies from Grand Junction Regnl to Lambert-St Louis?

American Airlines and United Airlines are the most popular carriers operating from Grand Junction Regnl to Lambert-St Louis

When to book flights from Grand Junction to St. Louis

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

Cheap Grand Junction to St. Louis (GJT to STL) flight deals and tips

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

Fastest flight time

4h 33m

Direct flights

None
The fastest flight from Grand Junction to St. Louis takes 4h 33m
There are no direct flights from Grand Junction to St. Louis. There are no popular flight routes from Grand Junction to St. Louis.
Search flight deals

Frequently asked questions about flying from Grand Junction to St. Louis

  • How far is Grand Junction Regnl to Lambert-St Louis by plane?

    A flight from Grand Junction Regnl to Lambert-St Louis will travel around 985.7 mi. By plane, this route typically takes 4h 33m.

  • When did momondo last update prices for flights from Grand Junction Regnl Airport to Lambert-St Louis Airport?

    Prices for flights from Grand Junction Regnl Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Grand Junction Regnl Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Grand Junction Regnl Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Grand Junction Regnl Airport to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Grand Junction to St. Louis

Compare and see reviews for airlines that fly from Grand Junction to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,845 reviews
Search American Airlines flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
10,062 reviews
Search United 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
Hermann
St. Peters
Maryland Heights
Florissant
Collinsville
O'Fallon
Alton
Fenton
Farmington
Clayton
Wentzville
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Grand Junction to St. Louis. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Grand Junction to St. Louis flights to just show those with flexible booking policies.

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

Once all potential Grand Junction to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Grand Junction and alert you when they change.

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