Latest deals
FAQs
Reviews
Price Alerts

Cheap flights from Missouri to Rock Springs from $646

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Rock Springs

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:42 pm - 10:24 pmSTL  Lambert-St Louis-RKS Rock Springs Sweetwater County
5h 42m1 stop Denver Intl
United Airlines Logo
5:30 am - 1:21 pmRKS  Rock Springs Sweetwater County-STL Lambert-St Louis
6h 51m1 stop Denver Intl
$646United Airlines
Mon, Feb 1 - Tue, Feb 2
United Airlines Logo
1:17 pm - 10:24 pmSTL  Lambert-St Louis-RKS Rock Springs Sweetwater County
10h 07m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
2:23 pm - 8:38 pmRKS  Rock Springs Sweetwater County-STL Lambert-St Louis
5h 15m1 stop Denver Intl
$652United Airlines
Mon, Feb 1 - Tue, Feb 2
United Airlines Logo
3:03 pm - 10:24 pmSTL  Lambert-St Louis-RKS Rock Springs Sweetwater County
8h 21m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
5:30 am - 4:18 pmRKS  Rock Springs Sweetwater County-STL Lambert-St Louis
9h 48m2 stops Denver Intl Chicago O'Hare Intl
$657United Airlines
Mon, Feb 1 - Tue, Feb 2

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 Missouri to Rock Springs

Our best United Airlines deals on Missouri to Rock Springs flight tickets
United Airlines
Feb 1
STL5:42 pmLambert-St Louis
5h 42m
1 stop
RKS10:24 pmRock Springs Sweetwater County
Feb 2
RKS5:30 amRock Springs Sweetwater County
6h 51m
1 stop
STL1:21 pmLambert-St Louis
$646
United Airlines
Feb 1
STL1:17 pmLambert-St Louis
10h 07m
2 stops
RKS10:24 pmRock Springs Sweetwater County
Feb 2
RKS2:23 pmRock Springs Sweetwater County
5h 15m
1 stop
STL8:38 pmLambert-St Louis
$652
United Airlines
Feb 1
STL3:03 pmLambert-St Louis
8h 21m
2 stops
RKS10:24 pmRock Springs Sweetwater County
Feb 2
RKS5:30 amRock Springs Sweetwater County
9h 48m
2 stops
STL4:18 pmLambert-St Louis
$657

momondo Fare Finder

 
Use the filters below to find and compare flights from Missouri to Rock Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisRock Springs

STL Lambert-St Louis - RKS Rock Springs Sweetwater County

STLRKS

Lambert-St Louis

Mon 2/1

5:42 pm-10:24 pm

1 stop5h 42m

Rock Springs Sweetwater County

Tue 2/2

5:30 am-1:21 pm

1 stop6h 51m

$646

St. LouisRock Springs

STL Lambert-St Louis - RKS Rock Springs Sweetwater County

STLRKS

Lambert-St Louis

Mon 2/1

1:17 pm-10:24 pm

2 stops10h 07m

Rock Springs Sweetwater County

Tue 2/2

2:23 pm-8:38 pm

1 stop5h 15m

$652

St. LouisRock Springs

STL Lambert-St Louis - RKS Rock Springs Sweetwater County

STLRKS

Lambert-St Louis

Mon 2/1

3:03 pm-10:24 pm

2 stops8h 21m

Rock Springs Sweetwater County

Tue 2/2

5:30 am-4:18 pm

2 stops9h 48m

$657

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Missouri to Rock Springs flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Rock Springs

Best Price Found

$646

Fastest flight time

5h 44m

Direct flights

None
The best flight deal from Missouri to Rock Springs found on momondo in the last 72 hours is $646
The fastest flight from Missouri to Rock Springs takes 5h 44m
There are no direct flights from Missouri to Rock Springs. There are no popular flight routes from Missouri to Rock Springs.
Search flight deals

Frequently asked questions about flying from Missouri to Rock Springs

  • When did momondo last update prices for flights from Missouri to Rock Springs Sweetwater County Airport?

    Prices for flights from Missouri to Rock Springs Sweetwater County Airport were last updated today.

  • How many operators does momondo search for flights from Missouri to Rock Springs Sweetwater County Airport?

  • How old do you have to be to fly from Missouri to Rock Springs Sweetwater County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Rock Springs Sweetwater County Airport.

  • What documentation or ID do you need to fly to Rock Springs Sweetwater County Airport?

    The required travel and health documents for your Rock Springs Sweetwater County Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Rock Springs Sweetwater County Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Missouri to Rock Springs

Compare and see reviews for airlines that fly from Missouri to Rock Springs with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $298Free CancellationRating
7.3
10,463 reviews
Search United Airlines flights

Frequently asked questions about flying from Missouri to Rock Springs

  • How do I get Price Alerts for flights from Missouri to Rock Springs?

    Confirm your travel details to search for the latest offers for flights from Missouri to Rock Springs. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Missouri to Rock Springs with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Rock Springs?

Book flights to Rock Springs if you plan to visit one of these locations
Green River

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Rock Springs?

Finding the right flight to Rock Springs from Missouri is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Rock Springs quick and easy, saving you time and money.

Can I find flights from Missouri to Rock Springs with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Missouri to Rock Springs flights to just show those with flexible booking policies.

How can momondo help me find flights from Missouri to Rock Springs?

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 Rock Springs from Missouri.

I’m not ready to book a flight from Missouri to Rock Springs right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Missouri to Rock Springs flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Rock Springs 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
Thu 12/3
Thu 12/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States