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.

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.

$286 Cheap Flights from Portland to Rock Springs in 2025/26

1 adult

0 bags

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5:00 am - 1:21 pmPDX-RKS

7h 21m1 stop

1:56 pm - 12:26 amRKS-PDX

11h 30m2 stops

$286United Airlines

Find Deal

Thu, Nov 20 - Sun, Nov 23

5:15 am - 1:30 pmPDX-RKS

7h 15m1 stop

2:05 pm - 10:38 pmRKS-PDX

9h 33m1 stop

$308United Airlines

Find Deal

Sat, Mar 7 - Tue, Mar 10

5:15 am - 1:30 pmPDX-RKS

7h 15m1 stop

2:05 pm - 12:34 amRKS-PDX

11h 29m2 stops

$314United Airlines

Find Deal

Sat, Mar 7 - Tue, Mar 10

4:02 pm - 9:59 pmPDX-RKS

4h 57m1 stop

1:56 pm - 10:56 pmRKS-PDX

10h 00m1 stop

$323United Airlines

Find Deal

Thu, Nov 20 - Sun, Nov 23

6:00 am - 9:59 pmPDX-RKS

14h 59m3 stops

1:56 pm - 10:56 pmRKS-PDX

10h 00m1 stop

$364United Airlines

Find Deal

Thu, Nov 20 - Sun, Nov 23

5:00 am - 1:21 pmPDX-RKS

7h 21m1 stop

1:56 pm - 9:38 amRKS-PDX

20h 42m1 stop

$407United Airlines

Find Deal

Fri, Nov 21 - Sun, Nov 23

5:15 am - 1:30 pmPDX-RKS

7h 15m1 stop

2:05 pm - 12:37 pmRKS-PDX

23h 32m3 stops

$412United Airlines

Find Deal

Sat, Mar 7 - Tue, Mar 10

6:00 am - 9:59 pmPDX-RKS

14h 59m3 stops

1:56 pm - 12:26 amRKS-PDX

11h 30m2 stops

$414United Airlines

Find Deal

Thu, Nov 20 - Sun, Nov 23

4:02 pm - 9:59 pmPDX-RKS

4h 57m1 stop

1:56 pm - 10:53 amRKS-PDX

21h 57m2 stops

$518United Airlines

Find Deal

Fri, Nov 21 - Sun, Nov 23

3:54 pm - 1:21 pmPDX-RKS

20h 27m2 stops

1:56 pm - 12:26 amRKS-PDX

11h 30m2 stops

$585United Airlines

Find Deal

Fri, Nov 21 - Sun, Nov 23

United Airlines flights from Portland to Rock Springs

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

United Airlines

Nov 20

PDX5:00 amPortland

7h 21m

1 stop

RKS1:21 pmRock Springs Sweetwater County

Nov 23

RKS1:56 pmRock Springs Sweetwater County

11h 30m

2 stops

PDX12:26 amPortland

$286

Find similar

United Airlines

Mar 7

PDX5:15 amPortland

7h 15m

1 stop

RKS1:30 pmRock Springs Sweetwater County

Mar 10

RKS2:05 pmRock Springs Sweetwater County

9h 33m

1 stop

PDX10:38 pmPortland

$308

Find similar

United Airlines

Mar 7

PDX5:15 amPortland

7h 15m

1 stop

RKS1:30 pmRock Springs Sweetwater County

Mar 10

RKS2:05 pmRock Springs Sweetwater County

11h 29m

2 stops

PDX12:34 amPortland

$314

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Thu 11/20

5:00 am-1:21 pm

1 stop7h 21m

Rock Springs Sweetwater County

Sun 11/23

1:56 pm-12:26 am

2 stops11h 30m

$286

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Sat 3/7

5:15 am-1:30 pm

1 stop7h 15m

Rock Springs Sweetwater County

Tue 3/10

2:05 pm-10:38 pm

1 stop9h 33m

$308

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Sat 3/7

5:15 am-1:30 pm

1 stop7h 15m

Rock Springs Sweetwater County

Tue 3/10

2:05 pm-12:34 am

2 stops11h 29m

$314

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Thu 11/20

4:02 pm-9:59 pm

1 stop4h 57m

Rock Springs Sweetwater County

Sun 11/23

1:56 pm-10:56 pm

1 stop10h 00m

$323

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Thu 11/20

6:00 am-9:59 pm

3 stops14h 59m

Rock Springs Sweetwater County

Sun 11/23

1:56 pm-10:56 pm

1 stop10h 00m

$364

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Fri 11/21

5:00 am-1:21 pm

1 stop7h 21m

Rock Springs Sweetwater County

Sun 11/23

1:56 pm-9:38 am

1 stop20h 42m

$407

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Sat 3/7

5:15 am-1:30 pm

1 stop7h 15m

Rock Springs Sweetwater County

Tue 3/10

2:05 pm-12:37 pm

3 stops23h 32m

$412

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Thu 11/20

6:00 am-9:59 pm

3 stops14h 59m

Rock Springs Sweetwater County

Sun 11/23

1:56 pm-12:26 am

2 stops11h 30m

$414

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Fri 11/21

4:02 pm-9:59 pm

1 stop4h 57m

Rock Springs Sweetwater County

Sun 11/23

1:56 pm-10:53 am

2 stops21h 57m

$518

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Fri 11/21

3:54 pm-1:21 pm

2 stops20h 27m

Rock Springs Sweetwater County

Sun 11/23

1:56 pm-12:26 am

2 stops11h 30m

$585

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

Direct flights	None

There are no direct flights from Portland to Rock Springs. There are no popular flight routes from Portland to Rock Springs.

Search flight deals

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 57m.
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.

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.

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.