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Cheap flights from Arizona to Rock Springs from $268

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Arizona to Rock Springs departing on 9/25. 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 Arizona to Rock Springs

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:20 am - 1:30 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
7h 10m1 stop Denver Intl
United Airlines Logo
2:05 pm - 9:39 pmRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
7h 34m1 stop Denver Intl
$388United Airlines
Sat, Dec 26 - Thu, Dec 31
United Airlines Logo
4:31 pm - 10:20 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
5h 49m1 stop Denver Intl
United Airlines Logo
2:23 pm - 7:55 pmRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
5h 32m1 stop Denver Intl
$388United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
2:50 pm - 10:20 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
7h 30m1 stop Denver Intl
United Airlines Logo
5:00 am - 9:43 amRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
4h 43m1 stop Denver Intl
$388United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
3:19 pm - 10:21 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
6h 02m1 stop Denver Intl
United Airlines Logo
2:35 pm - 8:24 pmRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
6h 49m1 stop Denver Intl
$390United Airlines
Mon, Aug 31 - Sun, Sep 6
United Airlines Logo
4:31 pm - 10:20 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
5h 49m1 stop Denver Intl
United Airlines Logo
5:00 am - 2:05 pmRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
9h 05m2 stops Denver Intl San Francisco
$394United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
3:19 pm - 10:21 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
6h 02m1 stop Denver Intl
United Airlines Logo
5:05 am - 2:55 pmRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
10h 50m2 stops Denver Intl Los Angeles Los Angeles
$395United Airlines
Mon, Aug 31 - Sun, Sep 6

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United Airlines flights from Arizona to Rock Springs

Our best United Airlines deals on Arizona to Rock Springs flight tickets
United Airlines
Nov 3
PHX2:50 pmPhoenix Sky Harbor Intl
7h 30m
1 stop
RKS10:20 pmRock Springs Sweetwater County
Nov 7
RKS5:00 amRock Springs Sweetwater County
4h 43m
1 stop
PHX9:43 amPhoenix Sky Harbor Intl
$388
United Airlines
Aug 31
PHX3:19 pmPhoenix Sky Harbor Intl
6h 02m
1 stop
RKS10:21 pmRock Springs Sweetwater County
Sep 6
RKS2:35 pmRock Springs Sweetwater County
6h 49m
1 stop
PHX8:24 pmPhoenix Sky Harbor Intl
$390
United Airlines
Nov 3
PHX4:31 pmPhoenix Sky Harbor Intl
5h 49m
1 stop
RKS10:20 pmRock Springs Sweetwater County
Nov 7
RKS5:00 amRock Springs Sweetwater County
9h 05m
2 stops
PHX2:05 pmPhoenix Sky Harbor Intl
$394

momondo Fare Finder

 
Customize your flight search to find flights from Arizona 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 August 11, 2026.
Use the filters below to find and compare flights from Arizona to Rock Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Sat 12/26

6:20 am-1:30 pm

1 stop7h 10m

Rock Springs Sweetwater County

Thu 12/31

2:05 pm-9:39 pm

1 stop7h 34m

$388
Quickest round-trip

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Tue 11/3

4:31 pm-10:20 pm

1 stop5h 49m

Rock Springs Sweetwater County

Sat 11/7

2:23 pm-7:55 pm

1 stop5h 32m

$388

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Tue 11/3

2:50 pm-10:20 pm

1 stop7h 30m

Rock Springs Sweetwater County

Sat 11/7

5:00 am-9:43 am

1 stop4h 43m

$388

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Mon 8/31

3:19 pm-10:21 pm

1 stop6h 02m

Rock Springs Sweetwater County

Sun 9/6

2:35 pm-8:24 pm

1 stop6h 49m

$390

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Tue 11/3

4:31 pm-10:20 pm

1 stop5h 49m

Rock Springs Sweetwater County

Sat 11/7

5:00 am-2:05 pm

2 stops9h 05m

$394

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Mon 8/31

3:19 pm-10:21 pm

1 stop6h 02m

Rock Springs Sweetwater County

Sun 9/6

5:05 am-2:55 pm

2 stops10h 50m

$395
Cheapest one-way
Quickest one-way

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Fri 9/25

7:30 am-1:42 pm

1 stop5h 12m

$268

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Fri 9/25

8:00 am-10:21 pm

2 stops13h 21m

$319

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Fri 9/25

4:15 pm-10:21 pm

3 stops29h 06m

$432

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Rock Springs from

How to get the cheapest flight ticket from Arizona 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 Arizona to Rock Springs Sweetwater County?

United Airlines is the most popular carrier operating from Arizona to Rock Springs Sweetwater County

Cheap Arizona to Rock Springs flight deals and tips

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

Fastest flight time

4h 32m

Direct flights

None
The fastest flight from Arizona to Rock Springs takes 4h 32m
There are no direct flights from Arizona to Rock Springs. There are no popular flight routes from Arizona to Rock Springs.
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Frequently asked questions about flying from Arizona to Rock Springs

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

    Prices for flights from Arizona to Rock Springs Sweetwater County Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Arizona to Rock Springs Sweetwater County 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 Arizona 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.

Best airlines flying from Arizona to Rock Springs

Compare and see reviews for airlines that fly from Arizona to Rock Springs with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $258Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights

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 Arizona to Rock Springs?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Arizona to Rock Springs. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Rock Springs from Arizona which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Arizona to Rock Springs flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Rock Springs from Arizona. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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