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Flights to Udon Thani

$1,425 Cheap flights to Udon Thani

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Udon Thani departing on 6/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United States to Udon Thani

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:05 pm - 8:55 pm
BOS
-
UTH
34h 50m
2 stops
Multiple Airlines Logo
8:40 am - 2:10 pm
UTH
-
BOS
40h 30m
2 stops
$1,425Multiple Airlines
Mo, Jun 1 - Do, Jun 11
Multiple Airlines Logo
5:45 pm - 1:25 pm
BOS
-
UTH
32h 40m
3 stops
Multiple Airlines Logo
9:25 pm - 10:28 pm
UTH
-
BOS
36h 03m
3 stops
$1,687Multiple Airlines
Mo, Jun 1 - Do, Jun 11
Turkish Airlines Logo
6:45 pm - 1:25 pm
SFO
-
UTH
28h 40m
2 stops
Turkish Airlines Logo
1:55 pm - 10:50 am
UTH
-
SFO
34h 55m
2 stops
$1,697Turkish Airlines
Mo, Sep 21 - Do, Sep 24
Turkish Airlines Logo
6:45 pm - 1:25 pm
SFO
-
UTH
28h 40m
2 stops
Turkish Airlines Logo
1:55 pm - 10:50 am
UTH
-
SFO
34h 55m
2 stops
$1,717Turkish Airlines
Mo, Sep 21 - Do, Sep 24
Multiple Airlines Logo
9:50 pm - 8:55 pm
BOS
-
UTH
36h 05m
2 stops
Multiple Airlines Logo
5:50 pm - 2:40 pm
UTH
-
BOS
31h 50m
3 stops
$2,105Multiple Airlines
Mo, Jun 1 - Do, Jun 11
Turkish Airlines Logo
12:55 pm - 1:25 pm
SFO
-
UTH
34h 30m
2 stops
Turkish Airlines Logo
1:55 pm - 10:50 am
UTH
-
SFO
34h 55m
2 stops
$2,187Turkish Airlines
Mo, Sep 21 - Do, Sep 24
Turkish Airlines Logo
9:50 pm - 1:25 pm
BOS
-
UTH
28h 35m
2 stops
Turkish Airlines Logo
9:25 pm - 7:55 pm
UTH
-
BOS
57h 30m
2 stops
$2,605Turkish Airlines
So, Mai 3 - Do, Mai 7
Turkish Airlines Logo
9:50 pm - 8:10 am
BOS
-
UTH
47h 20m
2 stops
Turkish Airlines Logo
1:55 pm - 7:55 pm
UTH
-
BOS
41h 00m
2 stops
$2,665Turkish Airlines
So, Mai 3 - Do, Mai 7
Turkish Airlines Logo
9:50 pm - 1:25 pm
BOS
-
UTH
28h 35m
2 stops
Turkish Airlines Logo
9:25 pm - 7:55 pm
UTH
-
BOS
33h 30m
2 stops
$2,685Turkish Airlines
So, Mai 3 - Do, Mai 7
Turkish Airlines Logo
9:50 pm - 1:25 pm
BOS
-
UTH
52h 35m
2 stops
Turkish Airlines Logo
1:55 pm - 7:55 pm
UTH
-
BOS
65h 00m
2 stops
$3,475Turkish Airlines
Fr, Jun 5 - Di, Jun 9

momondo Fare Finder

 
Locate flights to Udon Thani that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on April 14, 2026.
Use the filters below to find and compare flights to Udon Thani that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

BostonUdon Thani

BOS - UTH

BOSUTH

Boston Logan Intl

Mo 6/1

11:05 pm-8:55 pm

2 stops34h 50m

Udon Thani

Do 6/11

8:40 am-2:10 pm

2 stops40h 30m

$1,425

BostonUdon Thani

BOS - UTH

BOSUTH

Boston Logan Intl

Mo 6/1

5:45 pm-1:25 pm

3 stops32h 40m

Udon Thani

Do 6/11

9:25 pm-10:28 pm

3 stops36h 03m

$1,687

San FranciscoUdon Thani

SFO - UTH

SFOUTH

San Francisco

Mo 9/21

6:45 pm-1:25 pm

2 stops28h 40m

Udon Thani

Do 9/24

1:55 pm-10:50 am

2 stops34h 55m

$1,697

San FranciscoUdon Thani

SFO - UTH

SFOUTH

San Francisco

Mo 9/21

6:45 pm-1:25 pm

2 stops28h 40m

Udon Thani

Do 9/24

1:55 pm-10:50 am

2 stops34h 55m

$1,717

BostonUdon Thani

BOS - UTH

BOSUTH

Boston Logan Intl

Mo 6/1

9:50 pm-8:55 pm

2 stops36h 05m

Udon Thani

Do 6/11

5:50 pm-2:40 pm

3 stops31h 50m

$2,105

San FranciscoUdon Thani

SFO - UTH

SFOUTH

San Francisco

Mo 9/21

12:55 pm-1:25 pm

2 stops34h 30m

Udon Thani

Do 9/24

1:55 pm-10:50 am

2 stops34h 55m

$2,187

BostonUdon Thani

BOS - UTH

BOSUTH

Boston Logan Intl

So 5/3

9:50 pm-1:25 pm

2 stops28h 35m

Udon Thani

Do 5/7

9:25 pm-7:55 pm

2 stops57h 30m

$2,605

BostonUdon Thani

BOS - UTH

BOSUTH

Boston Logan Intl

So 5/3

9:50 pm-8:10 am

2 stops47h 20m

Udon Thani

Do 5/7

1:55 pm-7:55 pm

2 stops41h 00m

$2,665
Quickest round-trip

BostonUdon Thani

BOS - UTH

BOSUTH

Boston Logan Intl

So 5/3

9:50 pm-1:25 pm

2 stops28h 35m

Udon Thani

Do 5/7

9:25 pm-7:55 pm

2 stops33h 30m

$2,685

BostonUdon Thani

BOS - UTH

BOSUTH

Boston Logan Intl

Fr 6/5

9:50 pm-1:25 pm

2 stops52h 35m

Udon Thani

Di 6/9

1:55 pm-7:55 pm

2 stops65h 00m

$3,475

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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Udon Thani flights insights and trends

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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 28h 35m and 34h 30m, respectively.

Cheap Udon Thani flight deals and tips

Summary info about Udon Thani flight prices, duration and airlines

Best Round-Trip Price

$1,425

Fastest flight time

28h 40m
The best round-trip flight price to Udon Thani from United States in the last 72 hours is $1,425 (Boston Logan Intl to Udon Thani).
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The fastest flight to Udon Thani from United States takes 28h 40m (San Francisco to Udon Thani).
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Frequently asked questions about flying to 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?

Khon Kaen Airport has an average price of $66 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 Chiang Mai found flights 48% 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 April 2026.

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.

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Find better results for your trip to Udon Thani

Popular flights to Udon Thani

Popular routes according to searches in the past day on momondo
San Francisco to Udon Thani Flightsfrom $1,717
Boston Logan Intl to Udon Thani Flightsfrom $2,685
Washington, D.C. to Udon Thani Flightsfrom $4,883