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$290+ Cheap flights from Grand Junction to St. Louis (GJT - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
GJT — STL
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Grand Junction to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Grand Junction (GJT) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 16, 2025.

Round-trip from

$299
(United Airlines)

One-way from

$290
(American Airlines)

Popular in

May

Cheapest in

August

Average price

$356
From Grand Junction Regnl to Lambert-St Louis
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One-way flight from Grand Junction Regnl to Lambert-St Louis
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Highest demand for flights based on searches. 15% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Grand Junction to St. Louis

Cheapest flights from Grand Junction to St. Louis
Explore the most affordable flight options available from Grand Junction to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/301:35 pmGJT - STL
1 stop6h 11mUnited Airlines
sáb. 10/45:15 amSTL - GJT
1 stop5h 26mUnited Airlines
Deal found 9/15$299
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/251:16 pmGJT - STL
2 stops18h 50mMultiple Airlines
sáb. 9/274:58 pmSTL - GJT
1 stop20h 38mMultiple Airlines
Deal found 9/15$366
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/256:51 pmGJT - STL
1 stop4h 47mDelta
sáb. 9/275:30 pmSTL - GJT
1 stop6h 04mDelta
Deal found 9/15$389
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/255:30 amGJT - STL
2 stops9h 14mUnited Airlines
sáb. 9/2712:25 pmSTL - GJT
2 stops8h 47mUnited Airlines
Deal found 9/15$399
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1711:25 amGJT - STL
1 stop4h 08mUnited Airlines
lun. 9/224:40 pmSTL - GJT
1 stop4h 36mUnited Airlines
Deal found 9/14$444
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/176:02 amGJT - STL
2 stops11h 20mAmerican Airlines
lun. 9/227:16 amSTL - GJT
2 stops11h 52mAmerican Airlines
Deal found 9/14$454
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/207:00 amGJT - STL
2 stops9h 10mAmerican Airlines
lun. 12/225:17 amSTL - GJT
1 stop5h 47mAmerican Airlines
Deal found 9/14$544

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
Use the filters below to find and compare flights from Grand Junction to St. Louis that are best for you.

Fly from

Grand Junction

Fly to

St. Louis

Route

Depart

Return

Price

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

mar. 9/30

1:35 pm-8:46 pm

1 stop6h 11m

Lambert-St Louis

sáb. 10/4

5:15 am-9:41 am

1 stop5h 26m

$299

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

sáb. 2/28

1:20 pm-9:04 pm

1 stop6h 44m

Lambert-St Louis

mar. 3/3

2:45 pm-8:27 pm

1 stop6h 42m

$339

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

vie. 12/19

4:32 pm-10:21 pm

1 stop4h 49m

Lambert-St Louis

lun. 12/22

5:17 am-10:04 am

1 stop5h 47m

$514

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

vie. 12/19

4:32 pm-10:21 pm

1 stop4h 49m

$290

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

sáb. 12/20

1:24 pm-9:34 pm

1 stop7h 10m

$291

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

dom. 12/21

10:34 am-5:10 pm

1 stop5h 36m

$300

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

sáb. 12/20

12:17 pm-10:56 pm

2 stops9h 39m

$301

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

dom. 12/21

1:24 pm-10:08 pm

2 stops7h 44m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Grand Junction to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Grand Junction with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Grand Junction to St. Louis

What is the cheapest month to book a flight from Grand Junction to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Grand Junction to St. Louis (average of $311). Flying from Grand Junction to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Grand Junction to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated septiembre 16, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Grand Junction to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Grand Junction to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Grand Junction to St. Louis?

    United Airlines can get you from Grand Junction to St. Louis in just under 6h 11m. Your travel time can differ by up to . The distance between Grand Junction and St. Louis is about 974 mi.

  • What are the cheapest airlines flying from Grand Junction to St. Louis round-trip?

    Currently priced at $248, American Airlines will fly you from Grand Junction to St. Louis and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $318. These flights start at 48% lower than the current average price 3 months from now.

  • Can I find deals for flights from Grand Junction to St. Louis that include hotel bookings?

    Yes. In addition to deals on Grand Junction to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Grand Junction to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grand Junction to St. Louis.

  • Can I find deals for business class flights from Grand Junction to St. Louis?

    Yes. Cheapflights offers flight deals from Grand Junction to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Grand Junction to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Grand Junction to St. Louis (average of $311). Flying from Grand Junction to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

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

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Alternative routes for Grand Junction to St. Louis

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Top 2 airlines flying from Grand Junction to St. Louis

Discover the top 2 airlines that operate flights from Grand Junction to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$398FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$521FlexibilityNo cancel feeOn-time69%

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