HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rock Springs

$268+ Cheap flights from Sky Harbor Intl (PHX) to Rock Springs (RKS)

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — RKS
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sky Harbor Intl to Rock Springs with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Sky Harbor Intl to Rock Springs

Cheapest flights from Sky Harbor Intl to Rock Springs
Explore the most affordable flight options available from Sky Harbor Intl to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 11/146:20 am
PHX
-
RKS
1 stop7h 24m
United Airlines
Tue 11/172:23 pm
RKS
-
PHX
1 stop5h 32m
United Airlines
Deal found 7/26$388
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 7/254:25 pm
PHX
-
RKS
1 stop4h 58m
United Airlines
Sun 7/265:05 am
RKS
-
PHX
1 stop4h 55m
United Airlines
Deal found 7/24$428

Find flight deals from Sky Harbor Intl to Rock Springs

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Rock Springs (RKS). 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$388
(United Airlines)

One-way from

$268
(United Airlines)
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Rock Springs Sweetwater County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Rock Springs Sweetwater County flights.
Search Deals
From Phoenix Sky Harbor Intl to Rock Springs Sweetwater County
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Rock Springs Sweetwater County
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Rock Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Sat 11/14

6:20 am-1:44 pm

1 stop7h 24m

Rock Springs Sweetwater County

Tue 11/17

2:23 pm-7:55 pm

1 stop5h 32m

$388
Cheapest one-way
Quickest one-way

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Sat 8/22

4:49 pm-10:21 pm

1 stop4h 32m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Sorted by cheapest first

Compare providers for flights from Sky Harbor Intl to Rock Springs

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Rock Springs in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Rock Springs flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Rock Springs flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Rock Springs flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Rock Springs flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Rock Springs flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sky Harbor Intl to Rock Springs

Have a flexible travel schedule? Discover the best time to fly to Rock Springs from Sky Harbor Intl 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.

Reviews of airlines servicing Rock Springs

Get insights into the airlines that provide service to Rock Springs. 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 Rock Springs. Reviews last updated July 27, 2026.
Peruse reviews from past customers who have flown with United Airlines from Phoenix Sky Harbor Intl Airport to Rock Springs to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,041 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,041 reviews
United Airlines
7.4
Good
10,041 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Rock Springs. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Rock Springs from Phoenix Sky Harbor Intl?

    Located just 7.1 mi from the city center, Rock Springs Sweetwater County is the airport most travelers will use when flying to Rock Springs from Phoenix Sky Harbor Intl. Booking flights from Phoenix Sky Harbor Intl to Sweetwater County (RKS) should be relatively easy as there are 0 daily inbound flights from Phoenix Sky Harbor Intl from 1 airline.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Rock Springs?

    For as low as $388, United Airlines can have you in Rock Springs from Phoenix Sky Harbor Intl Airport in 7h 24m. The distance between Phoenix Sky Harbor Intl Airport and Rock Springs is about 586 mi.

  • Can I find deals for flights from Sky Harbor Intl to Rock Springs that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Rock Springs flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Rock Springs?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Rock Springs.

  • Can I find deals for business class flights from Sky Harbor Intl to Rock Springs?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Rock Springs by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Rock Springs?

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

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 Sky Harbor Intl to Rock Springs

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Denver flights
Sky Harbor Intl to Salt Lake City flights
Sky Harbor Intl to Jackson flights
Sky Harbor Intl to Cody flights

Top airline flying from Sky Harbor Intl to Rock Springs

Discover the top airline that operate flights from Sky Harbor Intl to Rock Springs. 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$348FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.