$328+ Cheap flights from Oregon to Rock Springs (RKS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — RKS
Jan 17 — Jan 241
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Oregon to Rock Springs
Cheapest flights from Oregon to Rock SpringsExplore the most affordable flight options available from Oregon to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
Explore the most affordable flight options available from Oregon to Rock Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1911:59 pmPDX - RKS
2 stops36h 29mUnited Airlines
Sat 12/272:18 pmRKS - PDX
1 stop9h 40mUnited Airlines
Deal found 12/17![United Airlines logo]()
$1,252
Find flight deals from Oregon to Rock Springs
Keep the following information in mind while searching for Oregon to Rock Springs flight deals. Data was last updated December 18, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $328 (United Airlines) |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Oregon to Rock Springs that are best for you.
Fly from
Oregon
Fly to
Rock Springs
Route
Depart
Return
Price
PortlandRock Springs
PDX - RKS
PDXRKS
Portland
Wed 2/18
3:50 pm-10:13 pm
1 stop5h 23m
Rock Springs Sweetwater County
Sat 2/21
5:15 am-9:42 am
1 stop5h 27m
$328
PortlandRock Springs
PDX - RKS
PDXRKS
Portland
Wed 1/28
3:45 pm-10:15 pm
1 stop5h 30m
Rock Springs Sweetwater County
Sat 1/31
2:08 pm-9:12 pm
1 stop8h 04m
$328
MedfordRock Springs
MFR - RKS
MFRRKS
Medford
Tue 1/27
5:00 am-1:28 pm
1 stop7h 28m
Rock Springs Sweetwater County
Sat 1/31
5:15 am-1:19 pm
1 stop9h 04m
$328
Best time to book a flight from Oregon to Rock Springs
Have a flexible travel schedule? Discover the best time to fly to Rock Springs from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Oregon to Rock Springs
What is the cheapest time of day to fly from OR to RKS?
Find hourly flight availability from Oregon to Rock Springs. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.
When flying from Oregon to Rock Springs, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 26% versus a flight at noon.