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$349+ Cheap flights from Rock Springs to Knoxville (RKS - TYS)

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
RKS — TYS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Rock Springs to Knoxville

Cheapest flights from Rock Springs to Knoxville
Explore the most affordable flight options available from Rock Springs to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/151:56 pmRKS - TYS
1 stop6h 34mUnited Airlines
Sun 12/285:45 amTYS - RKS
2 stops18h 14mUnited Airlines
Deal found 12/11$774

Find flight deals from Rock Springs to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Rock Springs (RKS) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$349
(United Airlines)
Provider with most accurate pricing for Rock Springs Sweetwater County-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Rock Springs Sweetwater County-Knoxville McGhee Tyson flights.
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From Rock Springs Sweetwater County to Knoxville McGhee Tyson
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Rock Springs to Knoxville 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 12, 2025.
Use the filters below to find and compare flights from Rock Springs to Knoxville that are best for you.

Fly from

Rock Springs

Fly to

Knoxville

Route

Depart

Return

Price

Rock SpringsKnoxville

RKS - TYS

RKSTYS

Rock Springs Sweetwater County

Sat 2/7

5:15 am-7:27 pm

2 stops12h 12m

Knoxville McGhee Tyson

Wed 2/11

9:30 am-10:15 pm

2 stops14h 45m

$349

Rock SpringsKnoxville

RKS - TYS

RKSTYS

Rock Springs Sweetwater County

Thu 1/1

2:18 pm-10:15 am

2 stops17h 57m

Knoxville McGhee Tyson

Thu 1/8

11:40 am-10:15 pm

2 stops12h 35m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

  • Most accurate provider: When it comes to deals on Rock Springs-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rock Springs-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rock Springs-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rock Springs-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rock Springs-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rock Springs to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Rock Springs 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.

Related info for your journey

Find useful and relevant information for your journey from Rock Springs to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Rock Springs to Knoxville?

    For as low as $349, United Airlines can have you in Knoxville from Rock Springs in 12h 12m. The distance from Rock Springs to Knoxville is about 1403 mi.

  • Can I find deals for flights from Rock Springs to Knoxville that include hotel bookings?

    Yes. In addition to deals on Rock Springs to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rock Springs to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rock Springs to Knoxville.

  • Can I find deals for business class flights from Rock Springs to Knoxville?

    Yes. Cheapflights offers flight deals from Rock Springs to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Oak Ridge
Murphy

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