HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rock Springs

$398+ Cheap flights from Sky Harbor Intl (PHX) to Rock Springs (RKS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — RKS
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
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 February 23, 2026.

This United Airlines deal was found by Cheapflights users on 2/21. 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 2/285:36 pm
PHX
-
RKS
1 stop4h 37m
United Airlines
Wed 3/42:10 pm
RKS
-
PHX
1 stop8h 40m
United Airlines
Deal found 2/21$398
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Tue 3/107:23 am
PHX
-
RKS
1 stop5h 10m
United Airlines
Sat 3/142:10 pm
RKS
-
PHX
1 stop7h 11m
United Airlines
Deal found 2/23$434
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Fri 7/34:21 pm
PHX
-
RKS
1 stop4h 54m
United Airlines
Mon 7/65:05 am
RKS
-
PHX
1 stop4h 55m
United Airlines
Deal found 2/23$501

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 February 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$434
(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

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 February 23, 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

Sky Harbor Intl

Fly to

Rock Springs

Route

Depart

Return

Price

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Tue 3/10

7:23 am-1:33 pm

1 stop5h 10m

Rock Springs Sweetwater County

Sat 3/14

2:10 pm-8:21 pm

1 stop7h 11m

$434

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Fri 7/3

4:21 pm-10:15 pm

1 stop4h 54m

Rock Springs Sweetwater County

Mon 7/6

5:05 am-9:00 am

1 stop4h 55m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

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 February.
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 February 23, 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
9,344 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,344 reviews
United Airlines
7.4
Good
9,344 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $434, United Airlines can have you in Rock Springs from Phoenix Sky Harbor Intl Airport in 5h 10m. The distance between Phoenix Sky Harbor Intl Airport and Rock Springs is about 586 mi.

  • What is the cheapest airline to fly from Phoenix Sky Harbor Intl Airport to Rock Springs round-trip?

    Currently priced at $308, United Airlines will fly you from Phoenix Sky Harbor Intl Airport to Rock Springs and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

  • 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

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 February 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$308Average$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.
Site
©2026 Cheapflights