Which airports can I use when flying from Portland to Rock Springs?

Flights from Portland to Rock Springs usually depart from Portland (PDX) and arrive at Rock Springs Sweetwater County (RKS).

What cabin classes can I book on flights from Portland to Rock Springs?

Only Economy Class is available on flights from Portland to Rock Springs.

Which airports do connecting flights from Portland to Rock Springs pass through?

Most connecting flights from Portland 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 Portland to Rock Springs?

Yes. Flexible dates can save you up to 63% on flights from Portland to Rock Springs. Wednesday is the cheapest departure day at $318 round-trip on average, while Monday is the most expensive at $843, a difference of $525. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from Portland 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.

Have flight prices from Portland to Rock Springs changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $428 to $1,220. That means the highest observed fare was about 3x higher than the lowest one.

What is the time difference between Portland and Rock Springs?

Rock Springs is 1 hour ahead of Portland (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

How much is a round-trip flight from Portland to Rock Springs?

Round-trip flights from Portland to Rock Springs typically range from $318 to $843. The lowest price found in the past 5 days was $428, on United Airlines.

Which airline is the cheapest to fly from Portland to Rock Springs?

United Airlines ($428) offered the cheapest round-trip ticket from Portland to Rock Springs in the last 5 days.

What is the cheapest layover airport when flying from Portland to Rock Springs?

Flights via Denver Intl (DEN) offer the most affordable fares, with an average round-trip price of $414. Based on KAYAK data over the past 3 months.

When flying from Portland to Rock Springs which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for Portland to Rock Springs layovers at 3h 18m over the past 3 months.

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Cheapest round-trip

$428

Typical prices: $318-$843

United Airlines

Tue 1/30Fri 2/2

PDX - RKS • 1 stop

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Cheap Flights from Portland to Rock Springs (PDX-RKS)

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

Round-trip

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Recent round-trip flight deals from Portland to Rock Springs

Sat, Jan 30 - Wed, Feb 3

1:21 pm - 10:24 pmPDX Portland-RKS Rock Springs Sweetwater County

8h 03m1 stop Denver Intl

5:30 am - 9:40 amRKS Rock Springs Sweetwater County-PDX Portland

5h 10m1 stop Denver Intl

$428United Airlines

Sat, Jan 30 - Tue, Feb 2

4:32 pm - 10:24 pmPDX Portland-RKS Rock Springs Sweetwater County

4h 52m1 stop Denver Intl

5:30 am - 9:40 amRKS Rock Springs Sweetwater County-PDX Portland

5h 10m1 stop Denver Intl

$428United Airlines

Sat, Jan 30 - Wed, Feb 3

7:00 am - 10:24 pmPDX Portland-RKS Rock Springs Sweetwater County

14h 24m2 stops San Francisco Denver Intl

2:23 pm - 9:15 pmRKS Rock Springs Sweetwater County-PDX Portland

7h 52m1 stop Denver Intl

$434United Airlines

Sat, Jan 30 - Tue, Feb 2

5:30 am - 10:24 pmPDX Portland-RKS Rock Springs Sweetwater County

15h 54m2 stops San Francisco Denver Intl

5:30 am - 1:27 pmRKS Rock Springs Sweetwater County-PDX Portland

8h 57m1 stop Denver Intl

$434United Airlines

Booking Insights

Price, demand and travel trends for Portland to Rock Springs flights

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

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How much is a round-trip flight from Portland to Rock Springs? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland to Rock Springs departing in january.

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Cheapest flight	$428

Round-trip flight from Portland to Rock Springs

When to book flights from Portland to Rock Springs

Are your dates flexible? Find out the best times to travel from Portland 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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Portland to Rock Springs?
Only Economy Class is available on flights from Portland to Rock Springs.
Do I need a passport to fly from Portland 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.
Have flight prices from Portland to Rock Springs changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $428 to $1,220. That means the highest observed fare was about 3x higher than the lowest one.
Which airports can I use when flying from Portland to Rock Springs?
Flights from Portland to Rock Springs usually depart from Portland (PDX) and arrive at Rock Springs Sweetwater County (RKS).
Which airports do connecting flights from Portland to Rock Springs pass through?
Most connecting flights from Portland 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 Portland to Rock Springs?
Yes. Flexible dates can save you up to 63% on flights from Portland to Rock Springs. Wednesday is the cheapest departure day at $318 round-trip on average, while Monday is the most expensive at $843, a difference of $525.

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 Portland and Rock Springs?
Rock Springs is 1 hour ahead of Portland (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average $318, about $525 less than Monday fares (62% savings) based on the last 12 months.

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PDX - RKS

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Everything you should know

Cheap Flights from Portland to Rock Springs (PDX-RKS)

Recent round-trip flight deals from Portland to Rock Springs

Recent one-way flight deals from Portland to Rock Springs

Price, demand and travel trends for Portland to Rock Springs flights

How much is a round-trip flight from Portland to Rock Springs?

Which airline is the cheapest to fly from Portland to Rock Springs?

What is the cheapest layover airport when flying from Portland to Rock Springs?

When flying from Portland to Rock Springs which airport offers the shortest layover?

Key details for Portland to Rock Springs flights

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When to book flights from Portland to Rock Springs

Your Portland to Rock Springs flight questions, answered

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