Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from New York LaGuardia Airport to Rock Springs from $338

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Rock Springs departing on 9/18. 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

Find the cheapest flights from New York LaGuardia Airport to Rock Springs

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:59 pm - 10:21 pm
LGA
-
RKS
7h 22m
1 stop
United Airlines Logo
2:22 pm - 11:24 pm
RKS
-
LGA
7h 02m
1 stop
$338United Airlines
Fri, Sep 18 - Mon, Sep 21
United Airlines Logo
4:59 pm - 10:21 pm
LGA
-
RKS
7h 22m
1 stop
United Airlines Logo
2:22 pm - 11:27 pm
RKS
-
LGA
7h 05m
1 stop
$438United Airlines
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
7:29 am - 1:47 pm
LGA
-
RKS
8h 18m
1 stop
United Airlines Logo
5:05 am - 9:50 pm
RKS
-
LGA
14h 45m
2 stops
$444United Airlines
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
2:25 pm - 10:21 pm
LGA
-
RKS
9h 56m
2 stops
United Airlines Logo
5:05 am - 8:25 pm
RKS
-
LGA
13h 20m
2 stops
$449United Airlines
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
4:59 pm - 10:21 pm
LGA
-
RKS
7h 22m
1 stop
United Airlines Logo
2:22 pm - 11:27 pm
RKS
-
LGA
7h 05m
1 stop
$499United Airlines
Wed, Oct 7 - Sat, Oct 10
United Airlines Logo
8:05 am - 10:21 pm
LGA
-
RKS
16h 16m
2 stops
United Airlines Logo
2:22 pm - 11:24 pm
RKS
-
LGA
7h 02m
1 stop
$524United Airlines
Fri, Sep 18 - Mon, Sep 21
United Airlines Logo
7:20 am - 10:21 pm
LGA
-
RKS
17h 01m
2 stops
United Airlines Logo
5:05 am - 11:30 pm
RKS
-
LGA
16h 25m
2 stops
$684United Airlines
Fri, Sep 18 - Mon, Sep 21

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 New York LaGuardia Airport to Rock Springs

Our best United Airlines deals on New York LaGuardia Airport to Rock Springs flight tickets
United Airlines
Sep 9
LGA4:59 pmNew York LaGuardia
7h 22m
1 stop
RKS10:21 pmRock Springs Sweetwater County
Sep 12
RKS2:22 pmRock Springs Sweetwater County
7h 05m
1 stop
LGA11:27 pmNew York LaGuardia
$438
United Airlines
Sep 9
LGA7:29 amNew York LaGuardia
8h 18m
1 stop
RKS1:47 pmRock Springs Sweetwater County
Sep 12
RKS5:05 amRock Springs Sweetwater County
14h 45m
2 stops
LGA9:50 pmNew York LaGuardia
$444
United Airlines
Sep 9
LGA2:25 pmNew York LaGuardia
9h 56m
2 stops
RKS10:21 pmRock Springs Sweetwater County
Sep 12
RKS5:05 amRock Springs Sweetwater County
13h 20m
2 stops
LGA8:25 pmNew York LaGuardia
$449

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport to Rock Springs 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 July 5, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to Rock Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

New YorkRock Springs

LGA - RKS

LGARKS

New York LaGuardia

Fri 9/18

4:59 pm-10:21 pm

1 stop7h 22m

Rock Springs Sweetwater County

Mon 9/21

2:22 pm-11:24 pm

1 stop7h 02m

$338

New YorkRock Springs

LGA - RKS

LGARKS

New York LaGuardia

Wed 9/9

4:59 pm-10:21 pm

1 stop7h 22m

Rock Springs Sweetwater County

Sat 9/12

2:22 pm-11:27 pm

1 stop7h 05m

$438

New YorkRock Springs

LGA - RKS

LGARKS

New York LaGuardia

Wed 9/9

7:29 am-1:47 pm

1 stop8h 18m

Rock Springs Sweetwater County

Sat 9/12

5:05 am-9:50 pm

2 stops14h 45m

$444

New YorkRock Springs

LGA - RKS

LGARKS

New York LaGuardia

Wed 9/9

2:25 pm-10:21 pm

2 stops9h 56m

Rock Springs Sweetwater County

Sat 9/12

5:05 am-8:25 pm

2 stops13h 20m

$449

New YorkRock Springs

LGA - RKS

LGARKS

New York LaGuardia

Wed 10/7

4:59 pm-10:21 pm

1 stop7h 22m

Rock Springs Sweetwater County

Sat 10/10

2:22 pm-11:27 pm

1 stop7h 05m

$499

New YorkRock Springs

LGA - RKS

LGARKS

New York LaGuardia

Fri 9/18

8:05 am-10:21 pm

2 stops16h 16m

Rock Springs Sweetwater County

Mon 9/21

2:22 pm-11:24 pm

1 stop7h 02m

$524

New YorkRock Springs

LGA - RKS

LGARKS

New York LaGuardia

Fri 9/18

7:20 am-10:21 pm

2 stops17h 01m

Rock Springs Sweetwater County

Mon 9/21

5:05 am-11:30 pm

2 stops16h 25m

$684
Cheapest one-way

New YorkRock Springs

LGA - RKS

LGARKS

New York LaGuardia

Fri 7/17

6:29 pm-1:31 pm

1 stop21h 02m

$406
Quickest one-way

New YorkRock Springs

LGA - RKS

LGARKS

New York LaGuardia

Thu 8/13

4:59 pm-10:21 pm

1 stop7h 22m

$418

New YorkRock Springs

LGA - RKS

LGARKS

New York LaGuardia

Thu 8/13

9:10 am-10:21 pm

2 stops15h 11m

$429

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

See travel insights to Rock Springs from

How to get the cheapest flight ticket from New York LaGuardia Airport to Rock Springs

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 New York LaGuardia to Rock Springs Sweetwater County?

United Airlines is the most popular carrier operating from New York LaGuardia to Rock Springs Sweetwater County

When to book flights from New York LaGuardia Airport to Rock Springs

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to Rock Springs according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New York LaGuardia Airport to Rock Springs (LGA to RKS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Rock Springs

Fastest flight time

7h 22m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Rock Springs takes 7h 22m
There are no direct flights from New York LaGuardia Airport to Rock Springs. There are no popular flight routes from New York LaGuardia Airport to Rock Springs.
Search flight deals

Frequently asked questions about flying from New York LaGuardia Airport to Rock Springs

  • How far is New York LaGuardia to Rock Springs Sweetwater County by plane?

    The distance between New York LaGuardia and Rock Springs Sweetwater County is about 1823.9 mi. A reasonable flight in good conditions will take 7h 22m.

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

    Prices for flights from New York LaGuardia Airport to Rock Springs Sweetwater County Airport are updated daily.

  • How old do you have to be to fly from New York LaGuardia Airport to Rock Springs Sweetwater County 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 New York LaGuardia Airport to Rock Springs Sweetwater County Airport.

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

    The travel and health documents required for your trip to Rock Springs Sweetwater County 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 Rock Springs Sweetwater County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 New York to Rock Springs?

It is quick and easy to find New York to Rock Springs flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Rock Springs that suits you.

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

All flight searches from New York to Rock Springs on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between New York and Rock Springs by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from New York to Rock Springs now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rock Springs and let you know when they change.

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
Tue 8/4
Tue 8/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States