$97 Cheap Flights from Siem Reap to Udon Thani
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Flights from Siem Reap to Udon Thani
Cheap flight deals from Siem Reap to Udon Thani Starting at $97
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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SAI 8:45 PM22h 45m1 stopsUTH 7:30 PMSiem Reap - Udon Thani | Fri, Mar 21 | Thai AirAsia
UTH 8:40 AM11h 20m1 stopsSAI 8:00 PMUdon Thani - Siem Reap | Fri, Mar 28 | Thai AirAsia$218 $40746% OFF46% OFF$407 $218 -
SAI 8:45 PM22h 45m1 stopsUTH 7:30 PMSiem Reap - Udon Thani | Tue, Mar 18 | Thai AirAsia
UTH 8:40 AM11h 20m1 stopsSAI 8:00 PMUdon Thani - Siem Reap | Tue, Mar 25 | Thai AirAsia$220 $40746% OFF46% OFF$407 $220
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SAI 8:45 PM11h 25m1 stopsUTH 8:10 AMSiem Reap - Udon Thani | Sat, Mar 22 | Thai AirAsia
UTH 8:40 AM11h 20m1 stopsSAI 8:00 PMUdon Thani - Siem Reap | Sat, Mar 29 | Thai AirAsia$226 $40745% OFF45% OFF$407 $226
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SAI 4:35 PM26h 25m1 stopsUTH 7:00 PMSiem Reap - Udon Thani | Sun, Mar 23 | Thai AirAsia
UTH 8:00 AM6h 30m1 stopsSIN 2:30 PMUdon Thani - Siem Reap | Sun, Mar 30 | Thai AirAsia$23143% OFF$407 $231
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SAI 3:15 PM5h 45m1 stopsUTH 9:00 PMSiem Reap - Udon Thani | Sun, Mar 30 | Thai AirAsia
UTH 4:45 PM18h 25m1 stopsSIN 11:10 AMUdon Thani - Siem Reap | Sun, Apr 6 | Thai AirAsia$23143% OFF$407 $231
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SAI 3:15 PM5h 15m1 stopsUTH 8:30 PMSiem Reap - Udon Thani | Mon, Mar 31 | Thai AirAsia
UTH 7:35 AM6h 55m1 stopsSIN 2:30 PMUdon Thani - Siem Reap | Thu, Apr 3 | Nokair Airline$23842% OFF$407 $238
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SAI 9:35 AM22h 35m1 stopsUTH 8:10 AMSiem Reap - Udon Thani | Tue, Mar 18 | Bangkok Airways
UTH 8:40 AM9h 45m1 stopsSAI 6:25 PMUdon Thani - Siem Reap | Tue, Mar 25 | Thai AirAsia$31223% OFF$407 $312 -
SAI 9:35 AM22h 35m1 stopsUTH 8:10 AMSiem Reap - Udon Thani | Sat, Mar 22 | Bangkok Airways
UTH 8:40 AM9h 45m1 stopsSAI 6:25 PMUdon Thani - Siem Reap | Sat, Mar 29 | Thai AirAsia$35513% OFF$407 $355
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SAI 9:50 AM22h 10m1 stopsUTH 8:00 AMSiem Reap - Udon Thani | Tue, Mar 18 | Thai Airways
UTH 2:10 PM18h 35m1 stopsSAI 8:45 AMUdon Thani - Siem Reap | Tue, Mar 25 | Thai Airways$35912% OFF$407 $359 -
SAI 9:50 AM22h 10m1 stopsUTH 8:00 AMSiem Reap - Udon Thani | Fri, Mar 21 | Thai Airways
UTH 8:30 PM12h 15m1 stopsSAI 8:45 AMUdon Thani - Siem Reap | Fri, Mar 28 | Thai Airways$3709% OFF$407 $370
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REP 1:00 PM17h 25m1 stopsUTH Invalid DateSiem Reap - Udon Thani | Tue, Mar 18 | Normal Airline
UTH 3:00 PM6hNonstopREP 4:00 PMUdon Thani - Siem Reap | Thu, Mar 20 | Normal AirlineFind More FlightsFind More Flights
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SAI 8:45 PM23h 55m1 stopsUTH 8:40 PMSiem Reap - Udon Thani | Wed, Mar 19 | Thai AirAsia$97 $12925% OFF25% OFF$129 $97
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SAI 3:15 PM17h 15m1 stopsUTH 8:30 AMSiem Reap - Udon Thani | Wed, Apr 2 | Thai AirAsia$104 $12920% OFF20% OFF$129 $104
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SAI 3:15 PM17h 15m1 stopsUTH 8:30 AMSiem Reap - Udon Thani | Tue, Apr 1 | Thai AirAsia$113 $12913% OFF13% OFF$129 $113
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SAI 11:45 AM20h 25m1 stopsUTH 8:10 AMSiem Reap - Udon Thani | Tue, Mar 25 | Thai AirAsia$11611% OFF$129 $116
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SAI 8:45 PM11h 25m1 stopsUTH 8:10 AMSiem Reap - Udon Thani | Fri, Mar 28 | Thai AirAsia$11610% OFF$129 $116
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SAI 3:15 PM17h 15m1 stopsUTH 8:30 AMSiem Reap - Udon Thani | Thu, Apr 3 | Thai AirAsia$11610% OFF$129 $116
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SAI 4:35 PM14h 30m1 stopsUTH 7:05 AMSiem Reap - Udon Thani | Sat, Mar 29 | Thai AirAsia$11710% OFF$129 $117
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SAI 8:45 PM10h 20m1 stopsUTH 7:05 AMSiem Reap - Udon Thani | Sun, Mar 23 | Thai AirAsia$11710% OFF$129 $117
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SAI 3:15 PM17h 45m1 stopsUTH 9:00 AMSiem Reap - Udon Thani | Mon, Mar 31 | Thai AirAsia$1179% OFF$129 $117
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SAI 4:35 PM15h 35m1 stopsUTH 8:10 AMSiem Reap - Udon Thani | Sun, Mar 16 | Thai AirAsia$1189% OFF$129 $118
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REP 1:00 PM17h 25m1 stopsUTH Invalid DateSiem Reap - Udon Thani | Tue, Mar 18 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Frequently Asked Questions
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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 $273.
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.
Be flexible with your travel dates to get the cheapest Siem Reap to Udon Thani ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Siem Reap to Udon Thani for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $97 for a one-way ticket on Wed, Mar 19.
Compare cheap Siem Reap to Udon Thani flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Siem Reap to Udon Thani. The most affordable airline currently operating on this route is Thai AirAsia.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Siem Reap to Udon Thani route to track ticket prices effortlessly—no need to check manually every day.
Don't miss out on cheap Siem Reap to Udon Thani flight deals and promo codes.
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Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Siem Reap to Udon Thani to access exclusive deals just for you.
Flight Info | Siem Reap to Udon Thani
| Cheapest nonstop flight price | $97 |
|---|---|
| Off-season for travel | February |
| Peak season for travel | May |
| Flight distance | 455.52 km |
| Popular airline | Thai AirAsia |
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