App
Customer Support
PHP
Find Bookings
Trip.com
>
Cheap Flights
>
Thailand
>
Udon Thani
>
Flights from Siem Reap to Udon Thani
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

Flights from Siem Reap to Udon Thani Starting at PHP 5,371

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

  • One way
  • Round-trip
      • SAI20:45
        22h 45m
        1 stop
        UTH19:30
        Mon, Feb 17|Siem Reap - Udon Thani|Thai AirAsia
        PHP 5,371PHP 7,201
        25% OFF
        25% OFF
        PHP 7,201PHP 5,371

        Choose Thai AirAsia flights from Siem Reap to Udon Thani. The one-way connecting flight with Thai AirAsia departs from Siem Reap Angkor International Airport on Mon, Feb 17, arriving at Udonthani Airport. One-way Prices start from PHP 5,371 including taxes and charges.

      • SAI20:45
        10h 20m
        1 stop
        UTH07:05
        Sun, Feb 16|Siem Reap - Udon Thani|Thai AirAsia
        PHP 5,411PHP 7,201
        25% OFF
        25% OFF
        PHP 7,201PHP 5,411

        Choose Thai AirAsia flights from Siem Reap to Udon Thani. The one-way connecting flight with Thai AirAsia departs from Siem Reap Angkor International Airport on Sun, Feb 16, arriving at Udonthani Airport. One-way Prices start from PHP 5,411 including taxes and charges.

      • SAI20:45
        22h 45m
        1 stop
        UTH19:30
        Fri, Feb 14|Siem Reap - Udon Thani|Thai AirAsia
        PHP 5,523PHP 7,201
        23% OFF
        23% OFF
        PHP 7,201PHP 5,523

        Choose Thai AirAsia flights from Siem Reap to Udon Thani. The one-way connecting flight with Thai AirAsia departs from Siem Reap Angkor International Airport on Fri, Feb 14, arriving at Udonthani Airport. One-way Prices start from PHP 5,523 including taxes and charges.

      • SAI20:45
        22h 15m
        1 stop
        UTH19:00
        Fri, Feb 7|Siem Reap - Udon Thani|Thai AirAsia
        PHP 5,571
        PHP 5,571

        Choose Thai AirAsia flights from Siem Reap to Udon Thani. The one-way connecting flight with Thai AirAsia departs from Siem Reap Angkor International Airport on Fri, Feb 7, arriving at Udonthani Airport. One-way Prices start from PHP 5,571 including taxes and charges.

      • SAI20:45
        22h 45m
        1 stop
        UTH19:30
        Wed, Feb 12|Siem Reap - Udon Thani|Thai AirAsia
        PHP 5,579
        PHP 5,579

        Choose Thai AirAsia flights from Siem Reap to Udon Thani. The one-way connecting flight with Thai AirAsia departs from Siem Reap Angkor International Airport on Wed, Feb 12, arriving at Udonthani Airport. One-way Prices start from PHP 5,579 including taxes and charges.

      • SAI20:45
        11h 25m
        1 stop
        UTH08:10
        Sat, Feb 8|Siem Reap - Udon Thani|Thai AirAsia
        PHP 6,113
        PHP 6,113

        Choose Thai AirAsia flights from Siem Reap to Udon Thani. The one-way connecting flight with Thai AirAsia departs from Siem Reap Angkor International Airport on Sat, Feb 8, arriving at Udonthani Airport. One-way Prices start from PHP 6,113 including taxes and charges.

      • SAI20:45
        22h 45m
        1 stop
        UTH19:30
        Sat, Feb 22|Siem Reap - Udon Thani|Thai AirAsia
        PHP 6,273
        PHP 6,273

        Choose Thai AirAsia flights from Siem Reap to Udon Thani. The one-way connecting flight with Thai AirAsia departs from Siem Reap Angkor International Airport on Sat, Feb 22, arriving at Udonthani Airport. One-way Prices start from PHP 6,273 including taxes and charges.

      • SAI16:35
        15h 35m
        1 stop
        UTH08:10
        Mon, Feb 10|Siem Reap - Udon Thani|Thai AirAsia
        PHP 6,297
        PHP 6,297

        Choose Thai AirAsia flights from Siem Reap to Udon Thani. The one-way connecting flight with Thai AirAsia departs from Siem Reap Angkor International Airport on Mon, Feb 10, arriving at Udonthani Airport. One-way Prices start from PHP 6,297 including taxes and charges.

      • SAI16:35
        15h 55m
        1 stop
        UTH08:30
        Mon, Feb 24|Siem Reap - Udon Thani|Thai AirAsia
        PHP 6,345
        PHP 6,345

        Choose Thai AirAsia flights from Siem Reap to Udon Thani. The one-way connecting flight with Thai AirAsia departs from Siem Reap Angkor International Airport on Mon, Feb 24, arriving at Udonthani Airport. One-way Prices start from PHP 6,345 including taxes and charges.

      • SAI16:35
        26h 25m
        1 stop
        UTH19:00
        Wed, Mar 5|Siem Reap - Udon Thani|Thai AirAsia
        PHP 6,369
        PHP 6,369

        Choose Thai AirAsia flights from Siem Reap to Udon Thani. The one-way connecting flight with Thai AirAsia departs from Siem Reap Angkor International Airport on Wed, Mar 5, arriving at Udonthani Airport. One-way Prices start from PHP 6,369 including taxes and charges.

      • REP01:00 pm
        3h 5m
        Nonstop
        UTH02:00 pm
        Thu, Feb 13|Siem Reap - Udon Thani|Thai AirAsia
        Find More Flights
        Find More Flights

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

Siem Reap to Udon Thani flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. PG924

    Bangkok Airways

    09:40

    SAI

    1.3h

    11:00

    BKK

    SMTWTFS
    Search

  2. FD3350

    Thai AirAsia

    18:20

    DMK

    1.3h

    19:35

    UTH

    -MTWT-S

  3. TG589

    Thai Airways

    09:50

    SAI

    1.1h

    10:55

    BKK

    SMTWTFS
    Search

  4. DD310

    Nokair Airline

    19:25

    DMK

    1.1h

    20:30

    UTH

    ---WTFS

  5. TG589

    Thai Airways

    09:50

    SAI

    1.1h

    10:55

    BKK

    SMTWTFS
    Search

  6. TG008

    Thai Airways

    19:45

    BKK

    1.2h

    20:55

    UTH

    SMTWTFS

  7. TG589

    Thai Airways

    09:50

    SAI

    1.1h

    10:55

    BKK

    SMTWTFS
    Search

  8. FD4352

    Thai AirAsia

    18:35

    BKK

    1.3h

    19:50

    UTH

    SMTWTFS

  9. TG589

    Thai Airways

    09:50

    SAI

    1.1h

    10:55

    BKK

    SMTWTFS
    Search

  10. FD3350

    Thai AirAsia

    18:20

    DMK

    1.3h

    19:35

    UTH

    -MTWT-S

  11. TG589

    Thai Airways

    09:50

    SAI

    1.1h

    10:55

    BKK

    SMTWTFS
    Search

  12. TG004

    Thai Airways

    12:15

    BKK

    1.2h

    13:25

    UTH

    SMTWTFS

  13. FD611

    Thai AirAsia

    11:55

    SAI

    1.1h

    13:00

    DMK

    SMTWTFS
    Search

  14. DD310

    Nokair Airline

    19:25

    DMK

    1.1h

    20:30

    UTH

    ---WTFS

  15. FD619

    Thai AirAsia

    20:45

    SAI

    1.2h

    21:55

    DMK

    SMT-TFS
    Search

  16. FD4350

    Thai AirAsia

    07:15

    BKK

    1.3h

    08:30

    UTH

    SMTWTFS

  17. FD619

    Thai AirAsia

    20:45

    SAI

    1.2h

    21:55

    DMK

    SMT-TFS
    Search

  18. SL600

    Thai Lion Air

    07:55

    DMK

    1.1h

    09:00

    UTH

    -----F-

  19. FD619

    Thai AirAsia

    20:45

    SAI

    1.2h

    21:55

    DMK

    SMT-TFS
    Search

  20. DD300

    Nokair Airline

    06:00

    DMK

    1.1h

    07:05

    UTH

    -MTWT-S
Find more flights and airlines

Find the best time to fly from Siem Reap to Udon Thani

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.

FAQ

  • When are flight tickets from Siem Reap (REP) to Udon Thani (UTH) the cheapest?

    Airlines adjust prices for flights from Siem Reap to Udon Thani 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 Siem Reap (REP) to Udon Thani (UTH) cost?

    According to Trip.com's data, the lowest price is around PHP 15,091.

How to find a cheap flight from Siem Reap to Udon Thani

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 Siem Reap to Udon Thani. 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 Information from Siem Reap to Udon Thani

Cheapest nonstop flight pricePHP 5,371
Off-season for travelJanuary
Peak season for travelApril
Flight distance455.52 km
Popular airlineThai AirAsia

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.