$308+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — RKS
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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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
Best
Last-minute
One-way
Cheapest flights from Sky Harbor Intl to Rock SpringsExplore 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 September 11, 2026.
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 September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/74:31 pm -
1 stop5h 49m
Sat 11/145:00 am -
1 stop4h 43m
Deal found 9/9![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 9/2410:26 am -
2 stops10h 55m
Mon 9/282:22 pm -
1 stop6h 10m
Deal found 9/9![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/210:26 am -
2 stops10h 55m
Sun 10/45:05 am -
2 stops10h 55m
Deal found 9/7![United Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/105:41 pm -
1 stop4h 39m
Sat 11/145:00 am -
1 stop4h 43m
Deal found 9/9![United Airlines logo]()
$388
Best flights from Sky Harbor Intl to Rock SpringsDiscover carefully curated flight deals from Sky Harbor Intl to Rock Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Rock Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 9/2410:26 am -
2 stops10h 55m
Mon 9/282:22 pm -
1 stop6h 10m
Deal found 9/9![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/24:29 pm -
1 stop4h 52m
Sun 10/45:05 am -
2 stops10h 55m
Deal found 9/7![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/107:00 am -
2 stops15h 20m
Sat 11/142:23 pm -
1 stop7h 19m
Deal found 9/9![United Airlines logo]()
$394
Last-minute flights from Sky Harbor Intl to Rock SpringsDiscover last-minute flight deals from Sky Harbor Intl to Rock Springs. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Rock Springs. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 9/2410:26 am -
2 stops10h 55m
Mon 9/282:22 pm -
1 stop6h 10m
Deal found 9/9![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/210:26 am -
2 stops10h 55m
Sun 10/45:05 am -
2 stops10h 55m
Deal found 9/7![United Airlines logo]()
$357
One-way flights from Sky Harbor Intl to Rock SpringsSearch for one-way flight options from Sky Harbor Intl to Rock Springs. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Sky Harbor Intl to Rock Springs. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sun 9/134:49 pm -
1 stop4h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$503
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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $308 (United Airlines) |
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 7,457,451 searches. Data last updated September 11, 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
Cheapest round-trip
PhoenixRock Springs
PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County
PHXRKS
Phoenix Sky Harbor Intl
Thu 9/24
10:26 am-10:21 pm
2 stops10h 55m
Rock Springs Sweetwater County
Mon 9/28
2:22 pm-7:32 pm
1 stop6h 10m
$344
PhoenixRock Springs
PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County
PHXRKS
Phoenix Sky Harbor Intl
Fri 10/2
4:29 pm-10:21 pm
1 stop4h 52m
Rock Springs Sweetwater County
Sun 10/4
5:05 am-3:00 pm
2 stops10h 55m
$344
PhoenixRock Springs
PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County
PHXRKS
Phoenix Sky Harbor Intl
Tue 11/10
7:00 am-10:20 pm
2 stops15h 20m
Rock Springs Sweetwater County
Sat 11/14
2:23 pm-9:42 pm
1 stop7h 19m
$394
Quickest round-trip
PhoenixRock Springs
PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County
PHXRKS
Phoenix Sky Harbor Intl
Sun 9/13
4:49 pm-10:21 pm
1 stop4h 32m
Rock Springs Sweetwater County
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$503
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
PHX-RKS
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 September 11, 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.
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
Traveling to a place near Rock Springs?
Book flights to Rock Springs if you plan to visit one of these locationsGreen River
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Sky Harbor Intl and Rock Springs flights
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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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$330 | FlexibilityNo cancel fee | On-time69% |