Earn point on your loyalty program!arrow arc left

Cheap flights from Harlingen (HRL) to Udon Thani (UTH)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Harlingen (HRL) to Udon Thani (UTH)

How to find the cheapest flight from Harlingen (HRL) to Udon Thani (UTH)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Harlingen (HRL) to Udon Thani (UTH)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Harlingen (HRL) to Udon Thani (UTH)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Harlingen to Udon Thani in March , April 2026

16 Mar - 30 Apr $ 3,143.00
HRL
Harlingen
Sun Country Airlines
3 STOPS
UTH
Udon Thani
UTH
Udon Thani
Sun Country Airlines
3 STOPS
HRL
Harlingen
Pick dates
16 Mar - 30 Apr $ 3,146.00
HRL
Harlingen
Sun Country Airlines
3 STOPS
UTH
Udon Thani
UTH
Udon Thani
Sun Country Airlines
3 STOPS
HRL
Harlingen
Pick dates
16 Mar - 30 Apr $ 3,159.00
HRL
Harlingen
Sun Country Airlines
3 STOPS
UTH
Udon Thani
UTH
Udon Thani
Sun Country Airlines
3 STOPS
HRL
Harlingen
Pick dates

Last minute flights from Harlingen to Udon Thani

16 Mar - 02 Apr $ 3,397.00
HRL
Harlingen
Sun Country Airlines
3 STOPS
UTH
Udon Thani
UTH
Udon Thani
Sun Country Airlines
3 STOPS
HRL
Harlingen
Pick dates
16 Mar - 02 Apr $ 3,400.00
HRL
Harlingen
Sun Country Airlines
3 STOPS
UTH
Udon Thani
UTH
Udon Thani
Sun Country Airlines
3 STOPS
HRL
Harlingen
Pick dates
16 Mar - 02 Apr $ 3,402.00
HRL
Harlingen
Sun Country Airlines
3 STOPS
UTH
Udon Thani
UTH
Udon Thani
Sun Country Airlines
3 STOPS
HRL
Harlingen
Pick dates

One-way flights to Udon Thani from Harlingen

8:23 PM - 8:30 AM
Thai Vietjet
3 Stops
49h 17m
HRL - UTH
$ 1,751
Kiwi
Pick dates
8:23 PM - 7:05 AM
Thai AirAsia
3 Stops
47h 47m
HRL - UTH
$ 1,754
Kiwi
Pick dates
8:23 PM - 6:55 AM
Thai Airways
3 Stops
47h 37m
HRL - UTH
$ 1,767
Kiwi
Pick dates

How to find the cheapest flight from Harlingen (HRL) to Udon Thani (UTH)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Harlingen (HRL) to Udon Thani (UTH)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Harlingen (HRL) to Udon Thani (UTH)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.