PHX - RKS

$364 Find Cheap Flights from Phoenix to Rock Springs - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$364
Typical prices: $328-$552
United Airlines
Wed 10/10Sun 10/14
PHX - RKS • 1 stop
When to travel
October
Cheapest • 15% price drop
October
Most popular
Good to know
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Good to know
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Cheap Flights from Phoenix to Rock Springs (PHX-RKS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Phoenix to Rock Springs

Sat, Oct 10 - Wed, Oct 14
United Airlines Logo
7:30 am - 1:42 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
5h 12m1 stop Denver Intl
United Airlines Logo
2:22 pm - 10:45 pmRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
9h 23m2 stops Denver Intl Los Angeles
$364United Airlines
Sat, Oct 10 - Wed, Oct 14
United Airlines Logo
10:26 am - 10:21 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
10h 55m2 stops Los Angeles Denver Intl
United Airlines Logo
2:22 pm - 10:45 pmRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
9h 23m2 stops Denver Intl Los Angeles
$369United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
5:41 pm - 10:20 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
4h 39m1 stop Denver Intl
United Airlines Logo
5:00 am - 9:43 amRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
4h 43m1 stop Denver Intl
$428United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
8:10 am - 1:44 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
5h 34m1 stop Denver Intl
United Airlines Logo
2:23 pm - 9:42 pmRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
7h 19m1 stop Denver Intl
$428United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
5:41 pm - 10:20 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
4h 39m1 stop Denver Intl
United Airlines Logo
5:00 am - 7:43 pmRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
14h 43m2 stops Denver Intl San Francisco
$434United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
7:00 am - 10:20 pmPHX  Phoenix Sky Harbor Intl-RKS Rock Springs Sweetwater County
15h 20m2 stops Los Angeles Denver Intl
United Airlines Logo
2:23 pm - 9:42 pmRKS  Rock Springs Sweetwater County-PHX Phoenix Sky Harbor Intl
7h 19m1 stop Denver Intl
$434United Airlines
Booking Insights

Price, demand and travel trends for Phoenix Sky Harbor Intl Airport to Rock Springs flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Phoenix Sky Harbor Intl Airport to Rock Springs?

Round-trip flights from Phoenix Sky Harbor Intl Airport to Rock Springs typically range from $328 to $552. The lowest price found in the past 5 days was $364, on United Airlines.

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Key details for Phoenix Sky Harbor Intl Airport to Rock Springs flights

Low season

January

Cheapest flight

$364
The most popular month to fly with an average 8% increase in travelers.
Round-trip flight from Phoenix Sky Harbor Intl Airport to Rock Springs

When to book flights from Phoenix to Rock Springs

Are your dates flexible? Find out the best times to travel from Phoenix to Rock Springs based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Phoenix Sky Harbor Intl Airport to Rock Springs flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Phoenix Sky Harbor Intl Airport to Rock Springs?

    Only Economy Class is available on flights from Phoenix Sky Harbor Intl Airport to Rock Springs.

  • Do I need a passport to fly from Phoenix Sky Harbor Intl Airport to Rock Springs?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Phoenix Sky Harbor Intl Airport to Rock Springs flight?

    Round-trip flights from Phoenix Sky Harbor Intl Airport to Rock Springs range from $328 to $552, with an average of $388 over the past 12 months. Anything below $328 counts as a good deal.

  • Have flight prices from Phoenix Sky Harbor Intl Airport to Rock Springs changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $364 to $561. That means the highest observed fare was about 54% higher than the lowest one.

  • Which airports can I use when flying from Phoenix Sky Harbor Intl Airport to Rock Springs?

    Flights from Phoenix Sky Harbor Intl Airport to Rock Springs usually depart from Phoenix Sky Harbor Intl (PHX) and arrive at Rock Springs Sweetwater County (RKS).

  • Which airports do connecting flights from Phoenix Sky Harbor Intl Airport to Rock Springs pass through?

    Most connecting flights from Phoenix Sky Harbor Intl Airport to Rock Springs pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Phoenix Sky Harbor Intl Airport to Rock Springs?

    Yes. Flexible dates can save you up to 57% on flights from Phoenix Sky Harbor Intl Airport to Rock Springs. Friday is the cheapest departure day at $328 round-trip on average, while Sunday is the most expensive at $758, a difference of $430.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Phoenix Sky Harbor Intl Airport and Rock Springs?

    Rock Springs is 1 hour ahead of Phoenix Sky Harbor Intl Airport (Mountain Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Phoenix Sky Harbor Intl Airport to Rock Springs flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Sunday. On this route, Friday flights average $328, about $430 less than Sunday fares (57% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Phoenix Sky Harbor Intl Airport to Rock Springs trip for October. Fares historically average $328 round-trip in that month - typically $430 less than the most expensive month, which is March (based on the last 12 months).

More options for your flight from Phoenix to Rock Springs

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