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Cheap flight deals from Chicago to Rock Springs Starting at VND 7,352,351

Whether you’re going for a one-way or round-trip to Rock Springs, we’ve got you covered! Check out these different flight options from Chicago below.

  • Round-trip
      • MDW07:05
        7h 27m
        1 stop
        RKS13:32
        Wed, Mar 5|Chicago - Rock Springs|Frontier Airlines
        RKS14:20
        8h 57m
        1 stop
        MDW00:17
        Tue, Mar 11|Rock Springs - Chicago|United Airlines
        VND 7,352,351VND 9,875,671
        26% OFF
        26% OFF
        VND 9,875,671VND 7,352,351

        Choose Frontier Airlines flights from Chicago to Rock Springs. The one-way connecting flight with Frontier Airlines departs from Midway International Airport on Wed, Mar 5-Tue, Mar 11, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from VND 7,352,351 including taxes and charges.

      • MDW06:40
        7h 57m
        1 stop
        RKS13:37
        Wed, Mar 26|Chicago - Rock Springs|Frontier Airlines
        RKS05:20
        18h 22m
        1 stop
        ORD00:42
        Wed, Apr 2|Rock Springs - Chicago|United Airlines
        VND 7,495,420VND 9,875,671
        24% OFF
        24% OFF
        VND 9,875,671VND 7,495,420

        Choose Frontier Airlines flights from Chicago to Rock Springs. The one-way connecting flight with Frontier Airlines departs from Midway International Airport on Wed, Mar 26-Wed, Apr 2, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from VND 7,495,420 including taxes and charges.

      • MDW07:05
        15h 55m
        1 stop
        RKS22:00
        Wed, Feb 26|Chicago - Rock Springs|Frontier Airlines
        RKS14:22
        8h 55m
        1 stop
        MDW00:17
        Tue, Mar 4|Rock Springs - Chicago|United Airlines
        VND 7,648,958VND 9,875,671
        23% OFF
        23% OFF
        VND 9,875,671VND 7,648,958

        Choose Frontier Airlines flights from Chicago to Rock Springs. The one-way connecting flight with Frontier Airlines departs from Midway International Airport on Wed, Feb 26-Tue, Mar 4, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from VND 7,648,958 including taxes and charges.

      • ORD06:50
        7h 42m
        1 stop
        RKS13:32
        Tue, Feb 25|Chicago - Rock Springs|Frontier Airlines
        RKS14:22
        22h 3m
        1 stop
        ORD13:25
        Mon, Mar 3|Rock Springs - Chicago|United Airlines
        VND 7,935,096
        VND 7,935,096

        Choose Frontier Airlines flights from Chicago to Rock Springs. The one-way connecting flight with Frontier Airlines departs from O'Hare International Airport on Tue, Feb 25-Mon, Mar 3, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from VND 7,935,096 including taxes and charges.

      • MDW07:05
        15h 55m
        1 stop
        RKS22:00
        Wed, Feb 19|Chicago - Rock Springs|Frontier Airlines
        RKS05:20
        17h 57m
        1 stop
        MDW00:17
        Tue, Feb 25|Rock Springs - Chicago|United Airlines
        VND 7,987,438
        VND 7,987,438

        Choose Frontier Airlines flights from Chicago to Rock Springs. The one-way connecting flight with Frontier Airlines departs from Midway International Airport on Wed, Feb 19-Tue, Feb 25, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from VND 7,987,438 including taxes and charges.

      • ORD08:45
        5h 47m
        1 stop
        RKS13:32
        Wed, Mar 5|Chicago - Rock Springs|United Airlines
        RKS14:20
        6h 8m
        1 stop
        ORD21:28
        Tue, Mar 11|Rock Springs - Chicago|United Airlines
        VND 8,071,186
        VND 8,071,186

        Choose United Airlines flights from Chicago to Rock Springs. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Wed, Mar 5-Tue, Mar 11, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from VND 8,071,186 including taxes and charges.

      • ORD07:00
        7h 32m
        1 stop
        RKS13:32
        Sat, Mar 1|Chicago - Rock Springs|United Airlines
        RKS14:20
        6h 8m
        1 stop
        ORD21:28
        Fri, Mar 7|Rock Springs - Chicago|United Airlines
        VND 8,078,165
        VND 8,078,165

        Choose United Airlines flights from Chicago to Rock Springs. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Sat, Mar 1-Fri, Mar 7, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from VND 8,078,165 including taxes and charges.

      • ORD14:35
        8h 25m
        1 stop
        RKS22:00
        Mon, Mar 3|Chicago - Rock Springs|United Airlines
        RKS05:20
        4h 59m
        1 stop
        ORD11:19
        Sun, Mar 9|Rock Springs - Chicago|United Airlines
        VND 8,140,975
        VND 8,140,975

        Choose United Airlines flights from Chicago to Rock Springs. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Mon, Mar 3-Sun, Mar 9, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from VND 8,140,975 including taxes and charges.

      • ORD07:00
        7h 32m
        1 stop
        RKS13:32
        Thu, Feb 27|Chicago - Rock Springs|United Airlines
        RKS14:22
        6h 5m
        1 stop
        ORD21:27
        Wed, Mar 5|Rock Springs - Chicago|United Airlines
        VND 8,182,849
        VND 8,182,849

        Choose United Airlines flights from Chicago to Rock Springs. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Thu, Feb 27-Wed, Mar 5, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from VND 8,182,849 including taxes and charges.

      • ORD08:45
        5h 47m
        1 stop
        RKS13:32
        Tue, Feb 25|Chicago - Rock Springs|United Airlines
        RKS14:22
        7h 16m
        1 stop
        ORD22:38
        Mon, Mar 3|Rock Springs - Chicago|United Airlines
        VND 8,193,318
        VND 8,193,318

        Choose United Airlines flights from Chicago to Rock Springs. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Tue, Feb 25-Mon, Mar 3, arriving at Rock Springs-Sweetwater County Airport. One-way Prices start from VND 8,193,318 including taxes and charges.

      • CHI01:00 pm
        3h 5m
        Nonstop
        RKS02:00 pm
        Thu, Feb 20|Chicago - Rock Springs|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Chicago to Rock Springs flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93173

    Frontier Airlines

    06:00

    ORD

    3.0h

    07:57

    DEN

    SMTWTFS
    Search

  2. UA5094

    United Airlines

    21:00

    DEN

    1.2h

    22:13

    RKS

    SMTWTFS

  3. F93173

    Frontier Airlines

    06:00

    ORD

    3.0h

    07:57

    DEN

    SMTWTFS
    Search

  4. UA5081

    United Airlines

    12:15

    DEN

    1.3h

    13:32

    RKS

    SMTWTFS

  5. UA711

    United Airlines

    07:00

    ORD

    2.9h

    08:53

    DEN

    SMTWTFS
    Search

  6. UA5081

    United Airlines

    12:15

    DEN

    1.3h

    13:32

    RKS

    SMTWTFS

  7. F92209

    Frontier Airlines

    07:15

    MDW

    2.8h

    09:05

    DEN

    SMTWTFS
    Search

  8. UA5094

    United Airlines

    21:00

    DEN

    1.2h

    22:13

    RKS

    SMTWTFS

  9. F92209

    Frontier Airlines

    07:15

    MDW

    2.8h

    09:05

    DEN

    SMTWTFS
    Search

  10. UA5081

    United Airlines

    12:15

    DEN

    1.3h

    13:32

    RKS

    SMTWTFS

  11. UA1599

    United Airlines

    08:45

    ORD

    2.9h

    10:41

    DEN

    SMTWTFS
    Search

  12. UA5081

    United Airlines

    12:15

    DEN

    1.3h

    13:32

    RKS

    SMTWTFS

  13. F91596

    Frontier Airlines

    11:10

    ORD

    2.2h

    14:23

    ATL

    S-T-TFS
    Search

  14. F93293

    Frontier Airlines

    16:29

    ATL

    3.7h

    18:09

    DEN

    SMTWTFS

  15. UA5094

    United Airlines

    21:00

    DEN

    1.2h

    22:13

    RKS

    SMTWTFS

  16. UA1588

    United Airlines

    14:35

    ORD

    2.9h

    16:30

    DEN

    SMTWTFS
    Search

  17. UA5094

    United Airlines

    21:00

    DEN

    1.2h

    22:13

    RKS

    SMTWTFS

  18. UA1946

    United Airlines

    16:06

    ORD

    2.9h

    17:59

    DEN

    SMTWTFS
    Search

  19. UA5094

    United Airlines

    21:00

    DEN

    1.2h

    22:13

    RKS

    SMTWTFS

  20. F91483

    Frontier Airlines

    17:25

    ORD

    3.0h

    19:22

    DEN

    ----T-S
    Search

  21. UA5094

    United Airlines

    21:00

    DEN

    1.2h

    22:13

    RKS

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Chicago to Rock Springs?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Rock Springs from Chicago have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Chicago (CHI) to Rock Springs (RKS) the cheapest?

    Airlines adjust prices for flights from Chicago to Rock Springs based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Chicago (CHI) to Rock Springs (RKS) cost?

    According to Trip.com's data, the lowest price is around VND 9,390,539.

  • How many airports are there in Rock Springs (RKS)?

    There are 1 airport(s) near Rock Springs (RKS): Rock Springs-Sweetwater County Airport.

How to find a cheap flight from Chicago to Rock Springs

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Chicago to Rock Springs

Off-season for travelDecember
Peak season for travelDecember
Flight distance1,773.53 km
Popular airlineFrontier Airlines

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