Trip.com
>
Flights
>
Flights to Vietnam
>
Flights to Hanoi
>
Flights from Udon Thani to Hanoi

Find flight deals from Udon Thani to Hanoi for the next 3 months. Book one way flights from HK$675 or round trip flights from HK$1,417.

      • UTH 12:55
        7h 20m
        1 stop
        HAN 20:15
        Udon Thani - Hanoi | Sat, Jan 24 | Thai Lion Air
        HAN 09:15
        10h 40m
        1 stop
        UTH 19:55
        Hanoi - Udon Thani | Wed, Jan 28 | Thai AirAsia
        HK$1,417 HK$1,620
        12% OFF
        12% OFF
        HK$1,620 HK$1,417
      • UTH 09:40
        10h 35m
        1 stop
        HAN 20:15
        Udon Thani - Hanoi | Tue, Jan 20 | Thai Lion Air
        HAN 09:15
        10h 40m
        1 stop
        UTH 19:55
        Hanoi - Udon Thani | Sat, Jan 24 | Thai AirAsia
        HK$1,422 HK$1,620
        12% OFF
        12% OFF
        HK$1,620 HK$1,422
      • UTH 08:40
        11h 35m
        1 stop
        HAN 20:15
        Udon Thani - Hanoi | Fri, Jan 23 | Thai AirAsia
        HAN 09:15
        10h 15m
        1 stop
        UTH 19:30
        Hanoi - Udon Thani | Mon, Jan 26 | Thai AirAsia
        HK$1,427 HK$1,620
        12% OFF
        12% OFF
        HK$1,620 HK$1,427
      • UTH 08:40
        11h 35m
        1 stop
        HAN 20:15
        Udon Thani - Hanoi | Sat, Jan 24 | Thai AirAsia
        HAN 09:15
        10h 15m
        1 stop
        UTH 19:30
        Hanoi - Udon Thani | Wed, Jan 28 | Thai AirAsia
        HK$1,432
        12% OFF
        HK$1,620 HK$1,432
      • UTH 08:40
        11h 35m
        1 stop
        HAN 20:15
        Udon Thani - Hanoi | Tue, Jan 20 | Thai AirAsia
        HAN 09:15
        10h 15m
        1 stop
        UTH 19:30
        Hanoi - Udon Thani | Sat, Jan 24 | Thai AirAsia
        HK$1,432
        12% OFF
        HK$1,620 HK$1,432
      • UTH 08:40
        11h 35m
        1 stop
        HAN 20:15
        Udon Thani - Hanoi | Tue, Jan 27 | Thai AirAsia
        HAN 09:15
        10h 15m
        1 stop
        UTH 19:30
        Hanoi - Udon Thani | Fri, Jan 30 | Thai AirAsia
        HK$1,434
        11% OFF
        HK$1,620 HK$1,434
      • UTH 08:40
        11h 35m
        1 stop
        HAN 20:15
        Udon Thani - Hanoi | Mon, Jan 26 | Thai AirAsia
        HAN 09:15
        10h 15m
        1 stop
        UTH 19:30
        Hanoi - Udon Thani | Fri, Jan 30 | Thai AirAsia
        HK$1,434
        11% OFF
        HK$1,620 HK$1,434
      • UTH 08:40
        11h 35m
        1 stop
        HAN 20:15
        Udon Thani - Hanoi | Mon, Jan 12 | Thai AirAsia
        HAN 09:15
        9h 55m
        1 stop
        UTH 19:10
        Hanoi - Udon Thani | Wed, Jan 14 | Thai AirAsia
        HK$1,438
        11% OFF
        HK$1,620 HK$1,438
      • UTH 09:40
        10h 35m
        1 stop
        HAN 20:15
        Udon Thani - Hanoi | Fri, Jan 16 | Thai Lion Air
        HAN 09:15
        10h 40m
        1 stop
        UTH 19:55
        Hanoi - Udon Thani | Mon, Jan 19 | Thai AirAsia
        HK$1,440
        11% OFF
        HK$1,620 HK$1,440
      • UTH 08:40
        11h 35m
        1 stop
        HAN 20:15
        Udon Thani - Hanoi | Mon, Jan 19 | Thai AirAsia
        HAN 09:15
        10h 15m
        1 stop
        UTH 19:30
        Hanoi - Udon Thani | Fri, Jan 23 | Thai AirAsia
        HK$1,442
        11% OFF
        HK$1,620 HK$1,442
      • UTH 13:00
        17h 25m
        1 stop
        HAN Invalid Date
        Udon Thani - Hanoi | Fri, Dec 12 | Normal Airline
        HAN 15:00
        6h
        Nonstop
        UTH 16:00
        Hanoi - Udon Thani | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Udon Thani to Hanoi are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Udon Thani to Hanoi

The distance between Udon Thani and Hanoi is approximately 531.16 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight priceHK$675
Cheapest return ticket priceHK$1,417
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance531.16 km

When is the cheapest time to fly from Udon Thani to Hanoi?

The cheapest time for Udon Thani to Hanoi flights: Dec 14 to Dec 21 — one way flight prices from HK$674.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Udon Thani to Hanoi, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Udon Thani to Hanoi (UTH-HAN)?

    Based on Trip.com data, Thai Vietjet Air offers one-way fares as low as HK$675 on Cheapest nonstop routes (e.g. UTH to HAN on Tue, Dec 16), while Thai Lion Air offers Cheapest nonstop round-trips from HK$1,417 departing on Sat, Jan 24 and returning on Wed, Jan 28.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Udon Thani to Hanoi is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Udon Thani to Hanoi, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Dec 16, with one-way flights priced at just HK$675.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai Vietjet Air.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Hanoi travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Udon Thani to Hanoi is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Udon Thani to Hanoi on December 17, 2025 with Thai AirAsia, with prices starting at HK$1,460.
  • The time difference between Hanoi and Udon Thani is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights