App
Customer Support
EUR
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from Seoul to Casper Starting at €1,024

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
      • ICN06:00 pm
        18h 29m
        2 stops
        CPR08:29 pm
        Thu, Mar 6|Seoul - Casper|United Airlines
        CPR06:10 pm
        30h 5m
        2 stops
        ICN03:15 pm
        Sun, Mar 9|Casper - Seoul|United Airlines
        €1,024€4,820
        79% OFF
        79% OFF
        €4,820€1,024

        Choose United Airlines flights from Seoul to Casper. The one-way connecting flight with United Airlines departs from Incheon International Airport on Thu, Mar 6-Sun, Mar 9, arriving at Casper Airport. One-way Prices start from €1,024 including taxes and charges.

      • ICN04:10 pm
        22h 4m
        2 stops
        CPR10:14 pm
        Thu, Mar 6|Seoul - Casper|Korean Air
        CPR11:39 am
        37h 16m
        2 stops
        ICN03:55 pm
        Sun, Mar 9|Casper - Seoul|United Airlines
        €1,315€4,820
        73% OFF
        73% OFF
        €4,820€1,315

        Choose Korean Air flights from Seoul to Casper. The one-way connecting flight with Korean Air departs from Incheon International Airport on Thu, Mar 6-Sun, Mar 9, arriving at Casper Airport. One-way Prices start from €1,315 including taxes and charges.

      • ICN08:10 am
        22h 29m
        2 stops
        CPR02:39 pm
        Thu, Mar 6|Seoul - Casper|Jeju Air
        CPR03:18 pm
        40h 12m
        2 stops
        GMP10:30 pm
        Sun, Mar 9|Casper - Seoul|United Airlines
        €1,453€4,820
        70% OFF
        70% OFF
        €4,820€1,453

        Choose Jeju Air flights from Seoul to Casper. The one-way connecting flight with Jeju Air departs from Incheon International Airport on Thu, Mar 6-Sun, Mar 9, arriving at Casper Airport. One-way Prices start from €1,453 including taxes and charges.

      • ICN06:15 pm
        19h 59m
        2 stops
        CPR10:14 pm
        Thu, Mar 6|Seoul - Casper|Asiana Airlines
        CPR06:10 pm
        43h 10m
        2 stops
        ICN04:20 am
        Sun, Mar 9|Casper - Seoul|United Airlines
        €1,501
        €1,501

        Choose Asiana Airlines flights from Seoul to Casper. The one-way connecting flight with Asiana Airlines departs from Incheon International Airport on Thu, Mar 6-Sun, Mar 9, arriving at Casper Airport. One-way Prices start from €1,501 including taxes and charges.

      • ICN04:50 pm
        20h 21m
        2 stops
        CPR10:11 pm
        Sun, Mar 30|Seoul - Casper|United Airlines
        CPR06:20 pm
        29h 40m
        2 stops
        ICN03:00 pm
        Sun, Apr 6|Casper - Seoul|United Airlines
        €1,513
        €1,513

        Choose United Airlines flights from Seoul to Casper. The one-way connecting flight with United Airlines departs from Incheon International Airport on Sun, Mar 30-Sun, Apr 6, arriving at Casper Airport. One-way Prices start from €1,513 including taxes and charges.

      • GMP07:45 am
        22h 54m
        2 stops
        CPR02:39 pm
        Thu, Mar 6|Seoul - Casper|All Nippon Airways
        CPR06:10 pm
        37h 20m
        2 stops
        GMP10:30 pm
        Thu, Mar 13|Casper - Seoul|United Airlines
        €2,119
        €2,119

        Choose All Nippon Airways flights from Seoul to Casper. The one-way connecting flight with All Nippon Airways departs from Gimpo International Airport on Thu, Mar 6-Thu, Mar 13, arriving at Casper Airport. One-way Prices start from €2,119 including taxes and charges.

      • ICN10:35 am
        22h 4m
        2 stops
        CPR05:39 pm
        Sun, Mar 30|Seoul - Casper|Jeju Air
        CPR11:26 am
        36h 34m
        2 stops
        ICN03:00 pm
        Sun, Apr 6|Casper - Seoul|United Airlines
        €2,509
        €2,509

        Choose Jeju Air flights from Seoul to Casper. The one-way connecting flight with Jeju Air departs from Incheon International Airport on Sun, Mar 30-Sun, Apr 6, arriving at Casper Airport. One-way Prices start from €2,509 including taxes and charges.

      • ICN12:10 am
        37h 1m
        2 stops
        CPR10:11 pm
        Sun, Mar 30|Seoul - Casper|Turkish Airlines
        CPR11:26 am
        53h 24m
        2 stops
        ICN07:50 am
        Sun, Apr 6|Casper - Seoul|United Airlines
        €2,899
        €2,899

        Choose Turkish Airlines flights from Seoul to Casper. The one-way connecting flight with Turkish Airlines departs from Incheon International Airport on Sun, Mar 30-Sun, Apr 6, arriving at Casper Airport. One-way Prices start from €2,899 including taxes and charges.

      • ICN09:00 am
        28h 11m
        2 stops
        CPR10:11 pm
        Sun, Mar 30|Seoul - Casper|All Nippon Airways
        CPR11:26 am
        43h 39m
        2 stops
        ICN10:05 pm
        Sun, Apr 6|Casper - Seoul|United Airlines
        €3,312
        €3,312

        Choose All Nippon Airways flights from Seoul to Casper. The one-way connecting flight with All Nippon Airways departs from Incheon International Airport on Sun, Mar 30-Sun, Apr 6, arriving at Casper Airport. One-way Prices start from €3,312 including taxes and charges.

      • ICN09:00 am
        20h 35m
        2 stops
        CPR02:35 pm
        Sun, Mar 30|Seoul - Casper|Asiana Airlines
        CPR06:20 pm
        29h 40m
        2 stops
        ICN03:00 pm
        Sun, Apr 6|Casper - Seoul|United Airlines
        €3,663
        €3,663

        Choose Asiana Airlines flights from Seoul to Casper. The one-way connecting flight with Asiana Airlines departs from Incheon International Airport on Sun, Mar 30-Sun, Apr 6, arriving at Casper Airport. One-way Prices start from €3,663 including taxes and charges.

      • SEL01:00 pm
        3h 5m
        Nonstop
        CPR02:00 pm
        Sat, Mar 1|Seoul - Casper|United Airlines
        Find More Flights
        Find More Flights

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

Seoul to Casper Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. KE041

    Korean Air

    04:40 pm

    ICN

    10.0h

    10:40 am

    SEA

    SMTWTFS
    Search

  2. AS602

    Alaska Airlines

    01:09 pm

    SEA

    2.7h

    04:49 pm

    DEN

    SMTWTFS

  3. UA5347

    United Airlines

    09:00 pm

    DEN

    1.2h

    10:12 pm

    CPR

    SMTWTFS

  4. UA892

    United Airlines

    06:00 pm

    ICN

    9.6h

    11:35 am

    SFO

    SMTWTFS
    Search

  5. UA566

    United Airlines

    04:10 pm

    SFO

    2.5h

    07:39 pm

    DEN

    SMTWTFS

  6. UA5347

    United Airlines

    09:00 pm

    DEN

    1.2h

    10:12 pm

    CPR

    SMTWTFS

  7. UA892

    United Airlines

    06:00 pm

    ICN

    9.6h

    11:35 am

    SFO

    SMTWTFS
    Search

  8. UA1791

    United Airlines

    01:46 pm

    SFO

    2.7h

    05:30 pm

    DEN

    SMTWTFS

  9. UA5802

    United Airlines

    07:00 pm

    DEN

    1.2h

    08:12 pm

    CPR

    SMTWTFS

  10. OZ272

    Asiana Airlines

    06:20 pm

    ICN

    10.2h

    12:30 pm

    SEA

    SMTWTFS
    Search

  11. AS602

    Alaska Airlines

    01:09 pm

    SEA

    2.7h

    04:49 pm

    DEN

    SMTWTFS

  12. UA5347

    United Airlines

    09:00 pm

    DEN

    1.2h

    10:12 pm

    CPR

    SMTWTFS

  13. 7C1101

    Jeju Air

    08:30 am

    ICN

    2.5h

    11:00 am

    NRT

    SMTWTFS
    Search

  14. UA142

    United Airlines

    05:30 pm

    NRT

    9.7h

    12:10 pm

    DEN

    SMTWTFS

  15. UA4797

    United Airlines

    01:32 pm

    DEN

    1.1h

    02:40 pm

    CPR

    SMTWTFS

  16. OZ1085

    Asiana Airlines

    08:40 am

    GMP

    2.1h

    10:45 am

    HND

    SMTWTFS
    Search

  17. UA142

    United Airlines

    05:30 pm

    NRT

    9.7h

    12:10 pm

    DEN

    SMTWTFS

  18. UA4797

    United Airlines

    01:32 pm

    DEN

    1.1h

    02:40 pm

    CPR

    SMTWTFS

  19. OZ102

    Asiana Airlines

    09:00 am

    ICN

    2.3h

    11:20 am

    NRT

    SMTWTFS
    Search

  20. UA142

    United Airlines

    05:30 pm

    NRT

    9.7h

    12:10 pm

    DEN

    SMTWTFS

  21. UA4797

    United Airlines

    01:32 pm

    DEN

    1.1h

    02:40 pm

    CPR

    SMTWTFS

  22. 7C1103

    Jeju Air

    10:35 am

    ICN

    2.3h

    12:55 pm

    NRT

    SMTWTFS
    Search

  23. UA142

    United Airlines

    05:30 pm

    NRT

    9.7h

    12:10 pm

    DEN

    SMTWTFS

  24. UA5294

    United Airlines

    03:52 pm

    DEN

    1.2h

    05:04 pm

    CPR

    SMTWTFS

  25. OZ104

    Asiana Airlines

    12:40 pm

    ICN

    2.3h

    02:55 pm

    NRT

    SMTWTFS
    Search

  26. UA142

    United Airlines

    05:30 pm

    NRT

    9.7h

    12:10 pm

    DEN

    SMTWTFS

  27. UA4797

    United Airlines

    01:32 pm

    DEN

    1.1h

    02:40 pm

    CPR

    SMTWTFS

  28. UA806

    United Airlines

    12:45 pm

    ICN

    9.6h

    06:20 am

    SFO

    SMTWTFS
    Search

  29. UA501

    United Airlines

    08:31 am

    SFO

    2.8h

    12:16 pm

    DEN

    SMTWTFS

  30. UA4797

    United Airlines

    01:32 pm

    DEN

    1.1h

    02:40 pm

    CPR

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Seoul to Casper?

We monitor flight fares to help you find the best deals effortlessly

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 Seoul (SEL) to Casper (CPR) the cheapest?

    Airlines adjust prices for flights from Seoul to Casper based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Seoul (SEL) to Casper (CPR) cost?

    According to Trip.com's data, the lowest price is around €1,626.

  • What is the transportation method from the main airport to downtown in Casper?

    • The distance from Casper Airport to downtown is about 12 km. It takes about 30 minutes by taxi.

How to find a cheap flight from Seoul to Casper

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seoul to Casper. Book your flights at the right time and save more.
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 | Seoul to Casper

Off-season for travelNovember
Peak season for travelDecember
Flight distance9,572.6 km
Popular airlineJeju Air

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.