$249 Cheap United flights Dallas (DFW) to Rock Springs (RKS)

Finding cheap one-way United Airlines flights from DFW to RKS from $249 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $238 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the cheapest months to travel to Rock Springs with United Airlines. You could also find great deals on one-way and return tickets in February.

Begin your search one to three months before your departure to find cheap fares on United Airlines flights from Dallas-Fort Worth Intl. Airport (DFW) to Sweetwater County Airport (RKS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Simply enter your dates, hit search and check “Nonstop” on Expedia to browse any direct flights from DFW to RKS with United Airlines or another carrier.

To find the earliest departure from DFW to RKS with United Airlines, filter your search by “Early Morning” and “Morning.” Booking an early flight generally means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Board a United Airlines flight from Dallas-Fort Worth Intl. Airport (DFW) to Rock Springs, and you’ll probably touch down at Sweetwater County Airport (RKS). This is the airline’s main hub in this destination.

Depart from DFW to RKS with United Airlines and you’ll enjoy a range of perks including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you can also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your fare type, a fee generally applies if you change or cancel your flight more than 24 hours after it’s confirmed. To secure plane tickets with more flexibility, select our “Changes included” or “No cancel fee” filter while looking for flights. For additional information on canceling or changing your reservation, head to “Trips,” select your flight and tick “Manage Booking.”