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

For as low as $448, United Airlines can have you in Rock Springs from Phoenix Sky Harbor Intl Airport in 4h 39m. 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.

In terms of precipitation, rainfall in Rock Springs ranges from 0.5 - 1.2 inches per month. May is typically the wettest month, when rainfall can reach 1.2 in. January is typically the driest time to visit Rock Springs when rainfall is around 0.5 in.

If weather is an important factor for your trip to Rock Springs, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

What is the cheapest time of day to fly from PHX to RKS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Phoenix Sky Harbor Intl Airport to Rock Springs as you normally would.

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.

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.

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.

$373+ Cheap Flights from Phoenix Sky Harbor Intl Airport to Rock Springs

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Cheap flight deals from Sky Harbor Intl to Rock Springs

Cheapest

Best

Last-minute

One-way

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 October 25, 2026.

Sat 11/144:31 pm -

1 stop5h 49m

Thu 11/192:23 pm -

1 stop8h 30m

Deal found 10/24

$448

Sat 11/1411:21 am -

2 stops10h 59m

Tue 11/175:00 am -

2 stops16h 25m

Deal found 10/24

$459

Tue 11/105:41 pm -

1 stop4h 39m

Sat 11/145:00 am -

1 stop4h 43m

Deal found 10/21

$463

Thu 11/128:10 am -

1 stop5h 38m

Thu 11/195:00 am -

2 stops10h 32m

Deal found 10/24

$464

Sat 11/145:41 pm -

1 stop4h 39m

Fri 11/202:23 pm -

1 stop8h 30m

Deal found 10/24

$493

Mon 11/94:31 pm -

1 stop5h 49m

Sat 11/212:23 pm -

1 stop7h 19m

Deal found 10/24

$508

Tue 11/108:00 am -

2 stops14h 20m

Fri 11/202:23 pm -

1 stop8h 30m

Deal found 10/24

$514

Sun 11/156:20 am -

1 stop16h 00m

Sun 11/225:00 am -

1 stop4h 43m

Deal found 10/24

$552

Best flights from Sky Harbor Intl to Rock Springs
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 October 25, 2026.

Tue 11/105:41 pm -

1 stop4h 39m

Sat 11/145:00 am -

1 stop4h 43m

Deal found 10/20

$448

Sat 11/144:31 pm -

1 stop5h 49m

Thu 11/192:23 pm -

1 stop8h 30m

Deal found 10/24

$448

Fri 11/132:50 pm -

1 stop7h 30m

Mon 11/162:23 pm -

1 stop5h 32m

Deal found 10/24

$463

Mon 11/94:31 pm -

1 stop5h 49m

Sun 11/225:00 am -

2 stops13h 56m

Deal found 10/24

$469

Last-minute flights from Sky Harbor Intl to Rock Springs
Discover last-minute flight deals from Sky Harbor Intl to Rock Springs. Data last updated October 25, 2026 and is based on user searches.

Mon 11/94:31 pm -

1 stop5h 49m

Sat 11/212:23 pm -

1 stop7h 19m

Deal found 10/24

$508

Tue 11/105:41 pm -

1 stop4h 39m

Sat 11/145:00 am -

1 stop4h 43m

Deal found 10/21

$463

Tue 11/108:00 am -

2 stops14h 20m

Fri 11/202:23 pm -

1 stop8h 30m

Deal found 10/24

$514

Thu 11/128:10 am -

1 stop5h 38m

Thu 11/195:00 am -

2 stops10h 32m

Deal found 10/24

$464

Sat 11/144:31 pm -

1 stop5h 49m

Mon 11/162:23 pm -

1 stop7h 14m

Deal found 10/24

$448

Sat 11/147:00 am -

2 stops15h 20m

Wed 11/185:00 am -

1 stop4h 49m

Deal found 10/24

$454

Sat 11/1411:21 am -

2 stops10h 59m

Tue 11/175:00 am -

2 stops16h 25m

Deal found 10/24

$459

Sat 11/145:41 pm -

1 stop4h 39m

Fri 11/202:23 pm -

1 stop8h 30m

Deal found 10/24

$493

Sun 11/156:20 am -

1 stop16h 00m

Sun 11/225:00 am -

1 stop4h 43m

Deal found 10/24

$552

Find flight deals from Sky Harbor Intl to Rock Springs

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$448 (United Airlines)
One-way from	$373 (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

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 Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Wed 11/4

2:28 pm-10:20 pm

2 stops7h 52m

Rock Springs Sweetwater County

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$379

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Sun 11/29

7:00 am-10:20 pm

2 stops15h 20m

Rock Springs Sweetwater County

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$431

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Tue 11/10

5:41 pm-10:20 pm

1 stop4h 39m

Rock Springs Sweetwater County

Sat 11/14

5:00 am-9:43 am

1 stop4h 43m

$448

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Sat 11/14

4:31 pm-10:20 pm

1 stop5h 49m

Rock Springs Sweetwater County

Thu 11/19

2:23 pm-10:53 pm

1 stop8h 30m

$448

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Fri 11/13

2:50 pm-10:20 pm

1 stop7h 30m

Rock Springs Sweetwater County

Mon 11/16

2:23 pm-7:55 pm

1 stop5h 32m

$463

PhoenixRock Springs

PHX Phoenix Sky Harbor Intl - RKS Rock Springs Sweetwater County

PHXRKS

Phoenix Sky Harbor Intl

Mon 11/9

4:31 pm-10:20 pm

1 stop5h 49m

Rock Springs Sweetwater County

Sun 11/22

5:00 am-6:56 pm

2 stops13h 56m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Sorted by cheapest first

Compare providers for flights from Sky Harbor Intl to Rock Springs

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 October.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy2 stars	Trust 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.

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

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

7.3

Good

10,436 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.3

Good

10,436 reviews

United Airlines

7.3

Good

10,436 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

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 $448, United Airlines can have you in Rock Springs from Phoenix Sky Harbor Intl Airport in 4h 39m. 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

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Top airline flying from Sky Harbor Intl to Rock Springs

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$308	Average$328	FlexibilityNo cancel fee	On-time69%

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$373+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.

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

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sky Harbor Intl to Rock Springs

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 October 25, 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 October 25, 2026.

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 October 25, 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 October 25, 2026.

Last-minute flights from Sky Harbor Intl to Rock SpringsDiscover last-minute flight deals from Sky Harbor Intl to Rock Springs. Data last updated October 25, 2026 and is based on user searches.

Discover last-minute flight deals from Sky Harbor Intl to Rock Springs. Data last updated October 25, 2026 and is based on user searches.

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 October 25, 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 October 25, 2026.

Find flight deals from Sky Harbor Intl to Rock Springs

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Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Rock Springs that are best for you.

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 October.

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.

Reviews of airlines servicing Rock Springs

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.

Related info for your journey

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

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

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

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

How can I 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?

Traveling to a place near Rock Springs?

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Alternative routes for Sky Harbor Intl to Rock Springs

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Complete your trip

Complete your trip to Rock Springs by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Sky Harbor Intl to Rock Springs by cabin class

Find flights from Sky Harbor Intl to Rock Springs, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Sky Harbor Intl and Rock Springs flights

Browse other Sky Harbor Intl and Rock Springs flight options. Last updated on October 25, 2026.

Other flights from Sky Harbor Intl

Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Rock Springs

Explore flights to Rock Springs departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.

Top airline flying from Sky Harbor Intl to Rock Springs

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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 October 25, 2026.

Best flights from Sky Harbor Intl to Rock Springs
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 October 25, 2026.

Last-minute flights from Sky Harbor Intl to Rock Springs
Discover last-minute flight deals from Sky Harbor Intl to Rock Springs. Data last updated October 25, 2026 and is based on user searches.

One-way flights from Sky Harbor Intl to Rock Springs
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 October 25, 2026.