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Cheap flights from Portland to Rock Springs from $358

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Rock Springs

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:05 pm - 10:21 pmPDX  Portland-RKS Rock Springs Sweetwater County
5h 16m1 stop Denver Intl
United Airlines Logo
2:22 pm - 9:10 pmRKS  Rock Springs Sweetwater County-PDX Portland
7h 48m1 stop Denver Intl
$358United Airlines
Fri, Oct 16 - Tue, Oct 20
United Airlines Logo
5:00 am - 1:42 pmPDX  Portland-RKS Rock Springs Sweetwater County
7h 42m1 stop Denver Intl
United Airlines Logo
2:22 pm - 10:57 pmRKS  Rock Springs Sweetwater County-PDX Portland
9h 35m2 stops Denver Intl San Francisco
$364United Airlines
Fri, Oct 16 - Tue, Oct 20
United Airlines Logo
1:21 pm - 10:24 pmPDX  Portland-RKS Rock Springs Sweetwater County
8h 03m1 stop Denver Intl
United Airlines Logo
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
United Airlines Logo
12:40 pm - 10:01 pmPDX  Portland-RKS Rock Springs Sweetwater County
8h 21m1 stop Denver Intl
United Airlines Logo
5:25 am - 9:40 amRKS  Rock Springs Sweetwater County-PDX Portland
5h 15m1 stop Denver Intl
$428United Airlines
Sat, Jan 30 - Tue, Feb 2
United Airlines Logo
7:00 am - 10:24 pmPDX  Portland-RKS Rock Springs Sweetwater County
14h 24m2 stops San Francisco Denver Intl
United Airlines Logo
5:30 am - 9:40 amRKS  Rock Springs Sweetwater County-PDX Portland
5h 10m1 stop Denver Intl
$434United Airlines
Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
4:05 pm - 10:01 pmPDX  Portland-RKS Rock Springs Sweetwater County
4h 56m1 stop Denver Intl
United Airlines Logo
5:25 am - 6:20 pmRKS  Rock Springs Sweetwater County-PDX Portland
13h 55m2 stops Denver Intl San Francisco
$434United Airlines
Sat, Jan 30 - Tue, Feb 2

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United Airlines flights from Portland to Rock Springs

Our best United Airlines deals on Portland to Rock Springs flight tickets
United Airlines
Oct 16
PDX4:05 pmPortland
5h 16m
1 stop
RKS10:21 pmRock Springs Sweetwater County
Oct 20
RKS2:22 pmRock Springs Sweetwater County
7h 48m
1 stop
PDX9:10 pmPortland
$358
United Airlines
Oct 16
PDX5:00 amPortland
7h 42m
1 stop
RKS1:42 pmRock Springs Sweetwater County
Oct 20
RKS2:22 pmRock Springs Sweetwater County
9h 35m
2 stops
PDX10:57 pmPortland
$364
United Airlines
Jan 30
PDX12:40 pmPortland
8h 21m
1 stop
RKS10:01 pmRock Springs Sweetwater County
Feb 2
RKS5:25 amRock Springs Sweetwater County
5h 15m
1 stop
PDX9:40 amPortland
$428

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandRock Springs

PDX Portland - RKS Rock Springs Sweetwater County

PDXRKS

Portland

Fri 10/16

4:05 pm-10:21 pm

1 stop5h 16m

Rock Springs Sweetwater County

Tue 10/20

2:22 pm-9:10 pm

1 stop7h 48m

$358

PortlandRock Springs

PDX Portland - RKS Rock Springs Sweetwater County

PDXRKS

Portland

Fri 10/16

5:00 am-1:42 pm

1 stop7h 42m

Rock Springs Sweetwater County

Tue 10/20

2:22 pm-10:57 pm

2 stops9h 35m

$364

PortlandRock Springs

PDX Portland - RKS Rock Springs Sweetwater County

PDXRKS

Portland

Sat 1/30

1:21 pm-10:24 pm

1 stop8h 03m

Rock Springs Sweetwater County

Wed 2/3

5:30 am-9:40 am

1 stop5h 10m

$428

PortlandRock Springs

PDX Portland - RKS Rock Springs Sweetwater County

PDXRKS

Portland

Sat 1/30

12:40 pm-10:01 pm

1 stop8h 21m

Rock Springs Sweetwater County

Tue 2/2

5:25 am-9:40 am

1 stop5h 15m

$428

PortlandRock Springs

PDX Portland - RKS Rock Springs Sweetwater County

PDXRKS

Portland

Sat 1/30

7:00 am-10:24 pm

2 stops14h 24m

Rock Springs Sweetwater County

Wed 2/3

5:30 am-9:40 am

1 stop5h 10m

$434

PortlandRock Springs

PDX Portland - RKS Rock Springs Sweetwater County

PDXRKS

Portland

Sat 1/30

4:05 pm-10:01 pm

1 stop4h 56m

Rock Springs Sweetwater County

Tue 2/2

5:25 am-6:20 pm

2 stops13h 55m

$434

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

$358

Fastest flight time

4h 55m

Direct flights

None
The best flight deal from Portland to Rock Springs found on momondo in the last 72 hours is $358
The fastest flight from Portland to Rock Springs takes 4h 55m
There are no direct flights from Portland to Rock Springs. There are no popular flight routes from Portland to Rock Springs.
Search flight deals

Frequently asked questions about flying from Portland to Rock Springs

  • 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 4h 55m.

  • 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 many operators does momondo search for flights from Portland Airport to Rock Springs Sweetwater County Airport?

  • 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.

  • What is the most popular airline from Portland to Rock Springs?

Best airlines flying from Portland to Rock Springs

Compare and see reviews for airlines that fly from Portland to Rock Springs with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $298Free CancellationRating
7.4
10,276 reviews
Search United Airlines flights

Frequently asked questions about flying from Portland to Rock Springs

  • How do I get Price Alerts for flights from Portland to Rock Springs?

    Confirm your travel details to search for the latest offers for flights from Portland to Rock Springs. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Portland to Rock Springs with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Rock Springs?

Book flights to Rock Springs if you plan to visit one of these locations
Green River

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.

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