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Cheap flights from Oregon to Rock Springs from $328

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Rock Springs departing on 5/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Oregon to Rock Springs

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 1:30 pm
PDX
-
RKS
7h 30m
1 stop
United Airlines Logo
2:16 pm - 9:15 pm
RKS
-
PDX
7h 59m
1 stop
$328United Airlines
Sun, May 17 - Sun, Jun 7
United Airlines Logo
5:00 am - 1:30 pm
PDX
-
RKS
7h 30m
1 stop
United Airlines Logo
5:05 am - 8:54 pm
RKS
-
PDX
16h 49m
2 stops
$334United Airlines
Tue, May 19 - Wed, Jun 3
United Airlines Logo
5:00 am - 1:30 pm
PDX
-
RKS
7h 30m
1 stop
United Airlines Logo
5:15 am - 9:48 am
RKS
-
PDX
5h 33m
1 stop
$336United Airlines
Fri, Apr 10 - Sun, Apr 12
United Airlines Logo
7:15 am - 10:15 pm
PDX
-
RKS
14h 00m
2 stops
United Airlines Logo
5:05 am - 8:54 pm
RKS
-
PDX
16h 49m
2 stops
$339United Airlines
Tue, May 19 - Wed, Jun 3
United Airlines Logo
5:30 am - 10:15 pm
PDX
-
RKS
15h 45m
3 stops
United Airlines Logo
1:46 pm - 10:48 pm
RKS
-
PDX
10h 02m
2 stops
$344United Airlines
Tue, May 19 - Sat, Jun 6
United Airlines Logo
5:00 am - 1:30 pm
MFR
-
RKS
7h 30m
1 stop
United Airlines Logo
2:15 pm - 9:37 pm
RKS
-
MFR
8h 22m
1 stop
$348United Airlines
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
5:00 am - 1:30 pm
MFR
-
RKS
7h 30m
1 stop
United Airlines Logo
2:15 pm - 11:14 pm
RKS
-
MFR
9h 59m
2 stops
$354United Airlines
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
5:00 am - 1:30 pm
PDX
-
RKS
7h 30m
1 stop
United Airlines Logo
5:15 am - 9:48 am
RKS
-
PDX
5h 33m
1 stop
$356United Airlines
Thu, Apr 9 - Sun, Apr 12
United Airlines Logo
5:00 am - 1:30 pm
PDX
-
RKS
7h 30m
1 stop
United Airlines Logo
2:16 pm - 9:15 pm
RKS
-
PDX
7h 59m
1 stop
$363United Airlines
Mon, May 18 - Tue, Jun 2
United Airlines Logo
5:00 am - 1:30 pm
PDX
-
RKS
7h 30m
1 stop
United Airlines Logo
2:15 pm - 12:41 am
RKS
-
PDX
11h 26m
2 stops
$364United Airlines
Thu, Apr 9 - Mon, Apr 13

United Airlines flights from Oregon to Rock Springs

Our best United Airlines deals on Oregon to Rock Springs flight tickets
United Airlines
May 17
PDX5:00 amPortland
7h 30m
1 stop
RKS1:30 pmRock Springs Sweetwater County
Jun 7
RKS2:16 pmRock Springs Sweetwater County
7h 59m
1 stop
PDX9:15 pmPortland
$328
United Airlines
May 19
PDX5:00 amPortland
7h 30m
1 stop
RKS1:30 pmRock Springs Sweetwater County
Jun 3
RKS5:05 amRock Springs Sweetwater County
16h 49m
2 stops
PDX8:54 pmPortland
$334
United Airlines
Apr 10
PDX5:00 amPortland
7h 30m
1 stop
RKS1:30 pmRock Springs Sweetwater County
Apr 12
RKS5:15 amRock Springs Sweetwater County
5h 33m
1 stop
PDX9:48 amPortland
$336

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Rock Springs that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 5, 2026.
Use the filters below to find and compare flights from Oregon to Rock Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Sun 5/17

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Sun 6/7

2:16 pm-9:15 pm

1 stop7h 59m

$328

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Tue 5/19

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Wed 6/3

5:05 am-8:54 pm

2 stops16h 49m

$334

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Fri 4/10

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Sun 4/12

5:15 am-9:48 am

1 stop5h 33m

$336

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Tue 5/19

7:15 am-10:15 pm

2 stops14h 00m

Rock Springs Sweetwater County

Wed 6/3

5:05 am-8:54 pm

2 stops16h 49m

$339

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Tue 5/19

5:30 am-10:15 pm

3 stops15h 45m

Rock Springs Sweetwater County

Sat 6/6

1:46 pm-10:48 pm

2 stops10h 02m

$344

MedfordRock Springs

MFR - RKS

MFRRKS

Medford

Tue 4/21

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Sat 4/25

2:15 pm-9:37 pm

1 stop8h 22m

$348

MedfordRock Springs

MFR - RKS

MFRRKS

Medford

Tue 4/21

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Sat 4/25

2:15 pm-11:14 pm

2 stops9h 59m

$354

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Thu 4/9

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Sun 4/12

5:15 am-9:48 am

1 stop5h 33m

$356

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Mon 5/18

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Tue 6/2

2:16 pm-9:15 pm

1 stop7h 59m

$363

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Thu 4/9

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Mon 4/13

2:15 pm-12:41 am

2 stops11h 26m

$364

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Rock Springs from

How to get the cheapest flight ticket from Oregon 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

How long does it take to fly to Rock Springs?

Flight times from Oregon to Rock Springs vary, but if you’re flying out of Portland and flying into Rock Springs (one of the most popular routes), then the duration is 5h on average. Another popular route from Oregon to Rock Springs is flying from Medford to Rock Springs, which will take roughly 7h 30m. Keep in mind that layovers or delays could extend your travel time.

Cheap Oregon to Rock Springs flight deals and tips

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

Fastest flight time

5h 00m

Direct flights

None
The fastest flight from Oregon to Rock Springs takes 5h 00m
There are no direct flights from Oregon to Rock Springs. There are no popular flight routes from Oregon to Rock Springs.
Search flight deals

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

    Prices for flights from Oregon to Rock Springs Sweetwater County Airport are updated daily.

  • How old do you have to be to fly from Oregon 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 Oregon to Rock Springs Sweetwater County Airport.

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

    The travel and health documents you'll need for your trip to Rock Springs Sweetwater County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Rock Springs Sweetwater County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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 Oregon to Rock Springs?

Finding the right flight to Rock Springs from Oregon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Rock Springs quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Rock Springs from Oregon which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Oregon to Rock Springs flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Oregon to Rock Springs flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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