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Cheap flights from Oregon to Rock Springs from $318

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 7/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
4:15 pm - 10:23 pm
PDX
-
RKS
5h 08m
1 stop
United Airlines Logo
2:16 pm - 9:15 pm
RKS
-
PDX
7h 59m
1 stop
$318United Airlines
Tue, Jul 7 - Tue, Jul 14
United Airlines Logo
5:00 am - 1:30 pm
PDX
-
RKS
7h 30m
1 stop
United Airlines Logo
5:25 am - 1:14 pm
RKS
-
PDX
8h 49m
1 stop
$378United Airlines
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
5:00 am - 1:30 pm
PDX
-
RKS
7h 30m
1 stop
United Airlines Logo
2:05 pm - 10:45 pm
RKS
-
PDX
9h 40m
2 stops
$384United Airlines
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
4:15 pm - 10:23 pm
PDX
-
RKS
5h 08m
1 stop
United Airlines Logo
5:05 am - 9:47 am
RKS
-
PDX
5h 42m
1 stop
$397United Airlines
Tue, Jul 7 - Fri, Jul 17
United Airlines Logo
5:00 am - 1:31 pm
PDX
-
RKS
7h 31m
1 stop
United Airlines Logo
2:16 pm - 9:15 pm
RKS
-
PDX
7h 59m
1 stop
$401United Airlines
Sat, Jul 4 - Sat, Jul 11
United Airlines Logo
4:15 pm - 10:23 pm
PDX
-
RKS
5h 08m
1 stop
United Airlines Logo
2:16 pm - 12:50 am
RKS
-
PDX
11h 34m
2 stops
$402United Airlines
Tue, Jul 7 - Tue, Jul 14
United Airlines Logo
8:35 am - 10:23 pm
PDX
-
RKS
12h 48m
2 stops
United Airlines Logo
2:16 pm - 9:15 pm
RKS
-
PDX
7h 59m
1 stop
$417United Airlines
Sat, Jul 4 - Sat, Jul 11
United Airlines Logo
2:07 pm - 10:21 pm
MFR
-
RKS
7h 14m
2 stops
United Airlines Logo
2:22 pm - 9:08 pm
RKS
-
MFR
7h 46m
1 stop
$429United Airlines
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
5:15 am - 10:23 pm
PDX
-
RKS
16h 08m
3 stops
United Airlines Logo
5:05 am - 9:47 am
RKS
-
PDX
5h 42m
1 stop
$434United Airlines
Sat, Jul 11 - Sat, Jul 18
United Airlines Logo
8:35 am - 10:23 pm
PDX
-
RKS
12h 48m
2 stops
United Airlines Logo
5:05 am - 9:47 am
RKS
-
PDX
5h 42m
1 stop
$448United Airlines
Sat, Jul 11 - Sat, Jul 18

United Airlines flights from Oregon to Rock Springs

Our best United Airlines deals on Oregon to Rock Springs flight tickets
United Airlines
Jul 7
PDX4:15 pmPortland
5h 08m
1 stop
RKS10:23 pmRock Springs Sweetwater County
Jul 14
RKS2:16 pmRock Springs Sweetwater County
7h 59m
1 stop
PDX9:15 pmPortland
$318
United Airlines
Sep 9
PDX5:00 amPortland
7h 30m
1 stop
RKS1:30 pmRock Springs Sweetwater County
Sep 12
RKS5:25 amRock Springs Sweetwater County
8h 49m
1 stop
PDX1:14 pmPortland
$378
United Airlines
Sep 9
PDX5:00 amPortland
7h 30m
1 stop
RKS1:30 pmRock Springs Sweetwater County
Sep 12
RKS2:05 pmRock Springs Sweetwater County
9h 40m
2 stops
PDX10:45 pmPortland
$384

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 May 20, 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

Cheapest round-trip

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Tue 7/7

4:15 pm-10:23 pm

1 stop5h 08m

Rock Springs Sweetwater County

Tue 7/14

2:16 pm-9:15 pm

1 stop7h 59m

$318

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Wed 9/9

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Sat 9/12

5:25 am-1:14 pm

1 stop8h 49m

$378

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Wed 9/9

5:00 am-1:30 pm

1 stop7h 30m

Rock Springs Sweetwater County

Sat 9/12

2:05 pm-10:45 pm

2 stops9h 40m

$384
Quickest round-trip

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Tue 7/7

4:15 pm-10:23 pm

1 stop5h 08m

Rock Springs Sweetwater County

Fri 7/17

5:05 am-9:47 am

1 stop5h 42m

$397

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Sat 7/4

5:00 am-1:31 pm

1 stop7h 31m

Rock Springs Sweetwater County

Sat 7/11

2:16 pm-9:15 pm

1 stop7h 59m

$401

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Tue 7/7

4:15 pm-10:23 pm

1 stop5h 08m

Rock Springs Sweetwater County

Tue 7/14

2:16 pm-12:50 am

2 stops11h 34m

$402

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Sat 7/4

8:35 am-10:23 pm

2 stops12h 48m

Rock Springs Sweetwater County

Sat 7/11

2:16 pm-9:15 pm

1 stop7h 59m

$417

MedfordRock Springs

MFR - RKS

MFRRKS

Medford

Sat 8/29

2:07 pm-10:21 pm

2 stops7h 14m

Rock Springs Sweetwater County

Tue 9/1

2:22 pm-9:08 pm

1 stop7h 46m

$429

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Sat 7/11

5:15 am-10:23 pm

3 stops16h 08m

Rock Springs Sweetwater County

Sat 7/18

5:05 am-9:47 am

1 stop5h 42m

$434

PortlandRock Springs

PDX - RKS

PDXRKS

Portland

Sat 7/11

8:35 am-10:23 pm

2 stops12h 48m

Rock Springs Sweetwater County

Sat 7/18

5:05 am-9:47 am

1 stop5h 42m

$448

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

What is the cheapest airline that flies from Oregon to Rock Springs Sweetwater County?

United Airlines is the most popular carrier operating from Oregon to Rock Springs Sweetwater County

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 08m

Direct flights

None
The fastest flight from Oregon to Rock Springs takes 5h 08m
There are no direct flights from Oregon to Rock Springs. There are no popular flight routes from Oregon to Rock Springs.
Search flight deals

Frequently asked questions about flying from Oregon to Rock Springs

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

  • 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.

Best airlines flying from Oregon to Rock Springs

Compare and see reviews for airlines that fly from Oregon to Rock Springs with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $298Free CancellationRating
7.4
9,737 reviews
Search United Airlines flights

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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