When did momondo last update prices for flights from Portland Airport to Rock Springs Sweetwater County Airport?

Prices for flights from Portland Airport to Rock Springs Sweetwater County Airport were last updated today.

How old do you have to be to fly from Portland Airport to Rock Springs Sweetwater County Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Rock Springs Sweetwater County Airport.

What documentation or ID do you need to fly to Rock Springs Sweetwater County Airport?

The required travel and health documents for your Rock Springs Sweetwater County Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Rock Springs Sweetwater County Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$487 Discover Cheap Flights from Portland to Rock Springs in 2025

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Cheap round-trip flights

These are some of the best round-trip flight deals from Portland to Rock Springs that have been recently found on momondo from popular airlines, departing in the coming months.

6:43 pm - 10:01 pmPDX-RKS

26h 18m1 stop

2:05 pm - 10:35 pmRKS-PDX

9h 30m1 stop

$1,023United Airlines

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Fri, Jun 20 - Mon, Jun 23

7:40 am - 1:30 pmPDX-RKS

28h 50m2 stops

2:05 pm - 10:35 pmRKS-PDX

9h 30m1 stop

$1,197United Airlines

Find Deal

Fri, Jun 20 - Mon, Jun 23

United Airlines flights from Portland to Rock Springs

Our best United Airlines deals on Portland to Rock Springs flight tickets

United Airlines

Jun 20

PDX6:43 pmPortland

26h 18m

1 stop

RKS10:01 pmRock Springs Sweetwater County

Jun 23

RKS2:05 pmRock Springs Sweetwater County

9h 30m

1 stop

PDX10:35 pmPortland

$1,023

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United Airlines

Jun 20

PDX7:40 amPortland

28h 50m

2 stops

RKS1:30 pmRock Springs Sweetwater County

Jun 23

RKS2:05 pmRock Springs Sweetwater County

9h 30m

1 stop

PDX10:35 pmPortland

$1,197

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How to get the cheapest flight ticket from Portland to Rock Springs

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Rock Springs?

The cheapest day to depart from Portland to Rock Springs is on a Friday when prices can be found for as low as $646. Flights from Portland to Rock Springs on a Friday will generally be more expensive and average around $646. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

When to book flights from Portland to Rock Springs

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Rock Springs according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Rock Springs (PDX to RKS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Rock Springs

Best Price Found	$1,023
Fastest flight time	26h 18m
Direct flights	None
Airports in Rock Springs	1 airport

The best flight deal from Portland to Rock Springs found on momondo in the last 72 hours is $1,023

The fastest flight from Portland to Rock Springs takes 26h 18m

There are no direct flights from Portland to Rock Springs. Popular non-direct route for this connection is Portland Airport - Rock Springs Sweetwater County Airport.

There is 1 airport near Rock Springs: Rock Springs Sweetwater County (RKS)

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How far is Portland to Rock Springs Sweetwater County by plane?
Portland and Rock Springs Sweetwater County are 725.7 mi apart from one another. By plane, this route typically takes 26h 18m.
When did momondo last update prices for flights from Portland Airport to Rock Springs Sweetwater County Airport?
Prices for flights from Portland Airport to Rock Springs Sweetwater County Airport were last updated today.
How old do you have to be to fly from Portland Airport to Rock Springs Sweetwater County Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Rock Springs Sweetwater County Airport.
What documentation or ID do you need to fly to Rock Springs Sweetwater County Airport?
The required travel and health documents for your Rock Springs Sweetwater County Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Rock Springs Sweetwater County Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from Portland to Rock Springs?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rock Springs from Portland.

Can I find flights from Portland to Rock Springs with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Rock Springs from Portland with this policy.

How can momondo help me find flights from Portland to Rock Springs?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Rock Springs from Portland.

I’m not ready to book a flight from Portland to Rock Springs right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Rock Springs from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.