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 AZ to RKS?

When flying from Arizona to Rock Springs, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Rock Springs from Arizona?

Rock Springs Sweetwater County (RKS) is the airport you will fly into if you book a flight from Arizona to Rock Springs. It is only a 7.1 mi journey from Sweetwater County (RKS) to Rock Springs’s city center.

Can I find deals for flights from Arizona to Rock Springs that include hotel bookings?

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

How can I find direct flights from Arizona to Rock Springs?

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

Can I find deals for business class flights from Arizona to Rock Springs?

Yes. Cheapflights offers flight deals from Arizona 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.

$248+ Flights from Arizona to Rock Springs

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Find flight deals from Arizona to Rock Springs

Cheapest flights from Arizona to Rock Springs
Explore the most affordable flight options available from Arizona to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Tue 8/124:28 pmPHX - RKS

1 stop4h 45mUnited Airlines

Sat 8/161:48 pmRKS - PHX

1 stop4h 28mUnited Airlines

Deal found 7/28

$248

Last-minute flights from Arizona to Rock Springs
Discover last-minute flight deals from Arizona to Rock Springs. Data last updated July 28, 2025 and is based on user searches.

Tue 8/124:28 pmPHX - RKS

1 stop4h 45mUnited Airlines

Sat 8/161:48 pmRKS - PHX

1 stop4h 28mUnited Airlines

Deal found 7/28

$248

One-way flights from Arizona to Rock Springs
Search for one-way flight options from Arizona to Rock Springs. Find affordable one-way fares based on user searches. Data last updated July 28, 2025.

Sat 8/239:30 amPHX - RKS

1 stop26h 53mUnited Airlines

Deal found 7/26

$317

Cheapflights Fare Finder

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

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Tue 8/12

4:28 pm-10:13 pm

1 stop4h 45m

Rock Springs Sweetwater County

Sat 8/16

1:48 pm-5:16 pm

1 stop4h 28m

$248

PhoenixRock Springs

PHX - RKS

PHXRKS

Phoenix Sky Harbor Intl

Sat 8/23

9:30 am-1:23 pm

1 stop26h 53m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Best time to book a flight from Arizona to Rock Springs

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

Cheapflights Insights

Everything you need to know about your flight from Arizona to Rock Springs

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Rock Springs

Read reviews from past customers who have flown United Airlines from Arizona to Rock Springs. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,892 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,892 reviews

United Airlines

7.4

Good

8,892 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What airport do you fly into for flights to Rock Springs from Arizona?
Rock Springs Sweetwater County (RKS) is the airport you will fly into if you book a flight from Arizona to Rock Springs. It is only a 7.1 mi journey from Sweetwater County (RKS) to Rock Springs’s city center.
Can I find deals for flights from Arizona to Rock Springs that include hotel bookings?
Yes. In addition to deals on Arizona to Rock Springs flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Arizona to Rock Springs?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Arizona to Rock Springs.
Can I find deals for business class flights from Arizona to Rock Springs?
Yes. Cheapflights offers flight deals from Arizona 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

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Top airline flying from Arizona to Rock Springs

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$238	Average$383	FlexibilityNo cancel fee	On-time69%

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$248+ Cheap flights from Arizona 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Arizona to Rock Springs with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Arizona to Rock Springs

Cheapest flights from Arizona to Rock SpringsExplore the most affordable flight options available from Arizona to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Explore the most affordable flight options available from Arizona to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Arizona to Rock Springs that are best for you.

Best time to book a flight from Arizona to Rock Springs

Have a flexible travel schedule? Discover the best time to fly to Rock Springs from Arizona with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Arizona to Rock Springs

Reviews of airlines servicing Rock Springs

Read reviews from past customers who have flown United Airlines from Arizona to Rock Springs. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Arizona 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 Arizona?

Can I find deals for flights from Arizona to Rock Springs that include hotel bookings?

How can I find direct flights from Arizona to Rock Springs?

Can I find deals for business class flights from Arizona to Rock Springs?

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 Arizona to Rock Springs

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Arizona to Rock Springs

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Arizona to Rock Springs
Explore the most affordable flight options available from Arizona to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.