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

Currently priced at $249, 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. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $307 and $579, respectively. These flights start at 53% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Grand Junction to St. Louis one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $181. American Airlines flights start at $186 while deals on United Airlines start at $206 one-way.

What is the cheapest day to fly from Grand Junction to St. Louis?

Travelers seeking maximum savings on their Grand Junction to St. Louis flight should consider departing on Sunday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest day to fly round-trip from Grand Junction to St. Louis?

Thursday is generally a great day to depart. Flying on this day could help you save up to 38%.

What is the cheapest month to fly from Grand Junction to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, January can be a great choice for travel to St. Louis. Flights to St. Louis from Grand Junction in January are about $535 on average during January, but can be found for as low as $309.

What is the cheapest time of day to fly from GJT to STL?

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from Grand Junction to St. Louis by exploring options for tickets in the afternoon.

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.

$181+ Flights from Grand Junction to St. Louis

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Cheap flight deals from Grand Junction to St. Louis

Round-trip from	$249 (American Airlines)
One-way from	$181 (Delta)
Popular in	August
Cheapest in	January
Average price	$501

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. 10% potential increase in price ($65 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 3, 2025.

Thu 9/411:46 amGJT - STL

1 stop5h 14mAmerican Airlines

Tue 9/93:59 pmSTL - GJT

1 stop6h 10mAmerican Airlines

Deal found 7/3

$249

Wed 7/161:45 pmGJT - STL

1 stop7h 05mUnited Airlines

Sun 7/205:15 amSTL - GJT

1 stop6h 38mUnited Airlines

Deal found 7/1

$307

Fri 9/56:50 pmGJT - STL

2 stops13h 04mDelta

Wed 9/101:26 pmSTL - GJT

2 stops10h 17mDelta

Deal found 7/3

$579

Best flights from Grand Junction to St. Louis
Discover carefully curated flight deals from Grand Junction to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Thu 9/411:46 amGJT - STL

1 stop5h 14mAmerican Airlines

Tue 9/93:59 pmSTL - GJT

1 stop6h 10mAmerican Airlines

Deal found 7/3

$249

Wed 7/161:45 pmGJT - STL

1 stop7h 05mUnited Airlines

Sun 7/205:15 amSTL - GJT

1 stop6h 38mUnited Airlines

Deal found 7/1

$307

Fri 9/56:50 pmGJT - STL

2 stops13h 04mDelta

Wed 9/101:26 pmSTL - GJT

2 stops10h 17mDelta

Deal found 7/3

$579

Last-minute flights from Grand Junction to St. Louis
Discover last-minute flight deals from Grand Junction to St. Louis. Data last updated July 3, 2025 and is based on user searches.

Tue 7/86:50 pmGJT - STL

1 stop4h 48mDelta

Sat 7/125:00 pmSTL - GJT

1 stop6h 33mDelta

Deal found 7/1

$815

Tue 7/81:45 pmGJT - STL

1 stop6h 00mUnited Airlines

Fri 7/114:45 pmSTL - GJT

1 stop4h 45mUnited Airlines

Deal found 7/1

$842

Tue 7/86:50 pmGJT - STL

2 stops12h 32mDelta

Sat 7/125:00 pmSTL - GJT

1 stop6h 33mDelta

Deal found 7/1

$960

Tue 7/156:09 amGJT - STL

2 stops11h 24mAmerican Airlines

Thu 7/315:30 amSTL - GJT

1 stop5h 21mAmerican Airlines

Deal found 7/2

$374

Wed 7/161:45 pmGJT - STL

1 stop7h 05mUnited Airlines

Sun 7/205:15 amSTL - GJT

1 stop6h 38mUnited Airlines

Deal found 7/1

$307

One-way flights from Grand Junction to St. Louis
Search for one-way flight options from Grand Junction to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Fri 8/156:54 pmGJT - STL

1 stop4h 44mDelta

Deal found 7/1

$181

Fri 8/1511:45 amGJT - STL

2 stops10h 29mAmerican Airlines

Deal found 7/1

$186

Sun 11/95:30 amGJT - STL

2 stops7h 50mUnited Airlines

Deal found 7/3

$206

Sun 11/91:16 pmGJT - STL

3 stops21h 54mMultiple Airlines

Deal found 7/3

$347

Cheapflights Fare Finder

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

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Thu 9/4

11:46 am-6:00 pm

1 stop5h 14m

Lambert-St Louis

Tue 9/9

3:59 pm-9:09 pm

1 stop6h 10m

$249

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Wed 7/16

1:45 pm-9:50 pm

1 stop7h 05m

Lambert-St Louis

Sun 7/20

5:15 am-10:53 am

1 stop6h 38m

$307

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Fri 9/5

6:50 pm-8:54 am

2 stops13h 04m

Lambert-St Louis

Wed 9/10

1:26 pm-10:43 pm

2 stops10h 17m

$579

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Fri 8/15

6:54 pm-12:38 am

1 stop4h 44m

$181

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Fri 8/15

11:45 am-11:14 pm

2 stops10h 29m

$186

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Sun 11/9

5:30 am-2:20 pm

2 stops7h 50m

$206

Grand JunctionSt. Louis

GJT - STL

GJTSTL

Grand Junction Regnl

Sun 11/9

1:16 pm-12:10 pm

3 stops21h 54m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 a feel of what it's like to fly with Delta, 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.

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Grand Junction to St. Louis round-trip?
Currently priced at $249, 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. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $307 and $579, respectively. These flights start at 53% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Grand Junction to St. Louis one-way?
To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $181. American Airlines flights start at $186 while deals on United Airlines start at $206 one-way.
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

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Top airline flying from Grand Junction to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$325	Average$498	FlexibilityNo cancel fee	On-time69%

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$181+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Grand Junction to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Grand Junction to St. Louis

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Grand Junction to St. Louis

Cheapest flights from Grand Junction to St. LouisExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

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

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.

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?

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

Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Delta, 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.

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.

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

What are the cheapest airlines to fly from Grand Junction to St. Louis one-way?

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

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

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

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

Traveling to a place near Grand Junction?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Grand Junction to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Grand Junction to St. Louis

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Book with Flexibility

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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 July 3, 2025.