$644 Cheap Flights to Udon Thani in 2025/26

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Find the cheapest flights from the United States to Udon Thani

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 pm - 1:40 pmBOS-UTH

29h 40m2 stops

2:10 pm - 7:05 pmUTH-BOS

39h 55m2 stops

$1,359Turkish Airlines

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dom., mar. 15 - jue., mar. 19

2:10 pm - 1:40 pmSFO-UTH

33h 30m2 stops

2:10 pm - 5:45 pmUTH-SFO

65h 35m2 stops

$1,439Turkish Airlines

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dom., mar. 15 - jue., mar. 19

Fly from

Route

Depart

Return

Price

BostonUdon Thani

BOS - UTH

BOSUTH

Boston Logan Intl

dom. 3/15

9:00 pm-1:40 pm

2 stops29h 40m

Udon Thani

jue. 3/19

2:10 pm-7:05 pm

2 stops39h 55m

$1,359

San FranciscoUdon Thani

SFO - UTH

SFOUTH

San Francisco

dom. 3/15

2:10 pm-1:40 pm

2 stops33h 30m

Udon Thani

jue. 3/19

2:10 pm-5:45 pm

2 stops65h 35m

$1,439

BostonUdon Thani

BOS - UTH

BOSUTH

Boston Logan Intl

mar. 12/9

6:05 pm-3:45 pm

3 stops33h 40m

$644

BostonUdon Thani

BOS - UTH

BOSUTH

Boston Logan Intl

mar. 12/9

8:45 pm-8:25 pm

2 stops35h 40m

$671

BostonUdon Thani

BOS - UTH

BOSUTH

Boston Logan Intl

lun. 12/8

12:30 am-8:50 pm

3 stops32h 20m

$1,190

BostonUdon Thani

BOS - UTH

BOSUTH

Boston Logan Intl

lun. 12/8

12:30 am-7:10 pm

2 stops30h 40m

$1,198

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Udon Thani flights insights and trends

Explore insights for your Udon Thani flight to craft the best travel plan

How long does it take to fly to Udon Thani?

If you’re flying from a popular airport in United States, such as Boston or San Francisco, and flying into Udon Thani, then you can expect flight times to average 29h 40m and 33h 30m, respectively.

Cheap Udon Thani flight deals and tips

Summary info about Udon Thani flight prices, duration and airlines

Best One-Way Price	$644
Best Round-Trip Price	$1,359
Fastest flight time	30h 40m

The best one-way flight price to Udon Thani from United States in the last 72 hours is $644 (Boston Logan Intl to Udon Thani).

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The best round-trip flight price to Udon Thani from United States in the last 72 hours is $1,359 (Boston Logan Intl to Udon Thani).

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The fastest flight to Udon Thani from United States takes 30h 40m (Boston Logan Intl to Udon Thani).

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Frequently asked questions about flying to Udon Thani

What is there to do in Udon Thani when it’s raining?

Users planning a flight to Udon Thani during the months of May, June, or July should anticipate rain. There are still things to do in Udon Thani even when it's raining, though. For those looking to get out of the rain and do a little shopping, check out Central Plaza Udon Thani.

Is there an alternative airport near Udon Thani?

Khon Kaen Airport, Loei Airport or Sakon Nakhon Airport can be an alternative airport used for travel to Udon Thani.

Is there a cheaper alternative to flying into Udon Thani?

Loei Airport has an average price of $33 per person and is typically the cheapest airport to fly into when visiting Udon Thani. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

What is the absolute cheapest flight to Udon Thani?

Users booking trips to Udon Thani from Bangkok found flights 44% cheaper than the average price of flights to Udon Thani. To find the cheapest price to Udon Thani from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Udon Thani Airport?

Prices for flights to Udon Thani Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Udon Thani Airport?

There are 5 operators available for flights to Udon Thani Airport as of October 2025.

How old do you have to be to fly to Udon Thani Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Udon Thani Airport.

What documentation or ID do you need to fly to Udon Thani Airport?

The necessary travel and health documents for your Udon Thani Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Udon Thani?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

Can I find flights to Udon Thani with flexible booking policies on momondo?

All flight searches to Udon Thani on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Udon Thani?

Once you have performed a search for flights to Udon Thani, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight to Udon Thani right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Udon Thani, momondo offers a useful price alert feature which will track prices for flights to Udon Thani and alert you when they change.