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Cheap flights from Rock Springs (RKS) to Phoenix

RKS — PHX
Jun 26 — Jul 31
Fri 6/26
Fri 7/3
1 adult, Economy
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Find flight deals from Rock Springs to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from Rock Springs (RKS) to Phoenix (PH1). 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 May 27, 2026.

Popular in

July

Cheapest in

February

Average price

$438
Highest demand for flights based on searches. 15% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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Best time to book a flight from Rock Springs to Phoenix

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

What is the cheapest month to book a flight from Rock Springs to Phoenix?

Currently, October is the cheapest month in which you can book a flight from Rock Springs to Phoenix (average of $238). Flying from Rock Springs to Phoenix in July is currently the most expensive (average of $438). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated May 27, 2026.
Peruse reviews from past customers who have flown with United Airlines from Rock Springs to Phoenix 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
9,751 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,751 reviews
United Airlines
7.4
Good
9,751 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Rock Springs to Phoenix. 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 from for flights from Rock Springs to Phoenix?

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

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

    United Airlines, at $249, was found to be the cheapest airline from Rock Springs to Phoenix.. United Airlines is 29% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Rock Springs to Phoenix?

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

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

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

  • What is the cheapest month to book a flight from Rock Springs to Phoenix?

    Currently, October is the cheapest month in which you can book a flight from Rock Springs to Phoenix (average of $238). Flying from Rock Springs to Phoenix in July is currently the most expensive (average of $438). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Rock Springs to Phoenix

Discover the top airline that operate flights from Rock Springs to Phoenix. 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 May 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$249Average$329FlexibilityNo cancel feeOn-time69%

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