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Flights to Khon Kaen

$1,511 Cheap flights to Khon Kaen

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Khon Kaen departing on 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from the United States to Khon Kaen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:00 am - 3:10 pm
SFO
-
KKC
24h 10m
2 stops
Multiple Airlines Logo
8:30 am - 8:35 pm
KKC
-
SFO
26h 05m
2 stops
$1,511Multiple Airlines
Tue, Jul 28 - Thu, Aug 13
Multiple Airlines Logo
1:25 am - 6:35 pm
SFO
-
KKC
27h 10m
2 stops
Multiple Airlines Logo
7:05 pm - 7:20 am
KKC
-
SFO
26h 15m
2 stops
$1,586Multiple Airlines
Thu, Jul 16 - Fri, Jul 24
Multiple Airlines Logo
3:40 pm - 3:10 pm
DEN
-
KKC
33h 30m
3 stops
Multiple Airlines Logo
7:05 pm - 12:38 pm
KKC
-
DEN
31h 33m
3 stops
$1,878Multiple Airlines
Sun, Nov 8 - Sun, Nov 29
Multiple Airlines Logo
12:27 pm - 11:35 am
SFO
-
KKC
33h 08m
3 stops
Multiple Airlines Logo
3:40 pm - 1:35 pm
KKC
-
SFO
59h 55m
2 stops
$2,118Multiple Airlines
Wed, Jul 29 - Thu, Aug 13
Multiple Airlines Logo
12:27 pm - 11:35 am
SFO
-
KKC
33h 08m
3 stops
Multiple Airlines Logo
3:40 pm - 2:50 pm
KKC
-
SFO
37h 10m
3 stops
$2,369Multiple Airlines
Wed, Jul 29 - Thu, Aug 13
Multiple Airlines Logo
3:53 pm - 11:25 am
DEN
-
KKC
29h 32m
2 stops
Multiple Airlines Logo
9:10 pm - 6:13 pm
KKC
-
DEN
35h 03m
2 stops
$2,513Multiple Airlines
Sun, Nov 8 - Sun, Nov 29
Multiple Airlines Logo
3:40 pm - 3:10 pm
DEN
-
KKC
33h 30m
3 stops
Multiple Airlines Logo
9:10 pm - 12:38 pm
KKC
-
DEN
29h 28m
2 stops
$2,559Multiple Airlines
Sun, Nov 8 - Sun, Nov 29
Multiple Airlines Logo
11:40 am - 11:35 am
SFO
-
KKC
33h 55m
3 stops
Multiple Airlines Logo
7:05 pm - 1:35 pm
KKC
-
SFO
32h 30m
2 stops
$2,688Multiple Airlines
Fri, Jul 17 - Fri, Jul 24
Multiple Airlines Logo
11:40 am - 11:35 am
SFO
-
KKC
33h 55m
3 stops
Multiple Airlines Logo
3:40 pm - 1:50 pm
KKC
-
SFO
36h 10m
3 stops
$4,386Multiple Airlines
Fri, Jul 17 - Fri, Jul 24

momondo Fare Finder

 
Locate flights to Khon Kaen 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 July 2, 2026.
Use the filters below to find and compare flights to Khon Kaen that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San FranciscoKhon Kaen

SFO - KKC

SFOKKC

San Francisco

Tue 7/28

1:00 am-3:10 pm

2 stops24h 10m

Khon Kaen

Thu 8/13

8:30 am-8:35 pm

2 stops26h 05m

$1,511

San FranciscoKhon Kaen

SFO - KKC

SFOKKC

San Francisco

Thu 7/16

1:25 am-6:35 pm

2 stops27h 10m

Khon Kaen

Fri 7/24

7:05 pm-7:20 am

2 stops26h 15m

$1,586

DenverKhon Kaen

DEN - KKC

DENKKC

Denver Intl

Sun 11/8

3:40 pm-3:10 pm

3 stops33h 30m

Khon Kaen

Sun 11/29

7:05 pm-12:38 pm

3 stops31h 33m

$1,878

San FranciscoKhon Kaen

SFO - KKC

SFOKKC

San Francisco

Wed 7/29

12:27 pm-11:35 am

3 stops33h 08m

Khon Kaen

Thu 8/13

3:40 pm-1:35 pm

2 stops59h 55m

$2,118

San FranciscoKhon Kaen

SFO - KKC

SFOKKC

San Francisco

Wed 7/29

12:27 pm-11:35 am

3 stops33h 08m

Khon Kaen

Thu 8/13

3:40 pm-2:50 pm

3 stops37h 10m

$2,369

DenverKhon Kaen

DEN - KKC

DENKKC

Denver Intl

Sun 11/8

3:53 pm-11:25 am

2 stops29h 32m

Khon Kaen

Sun 11/29

9:10 pm-6:13 pm

2 stops35h 03m

$2,513

DenverKhon Kaen

DEN - KKC

DENKKC

Denver Intl

Sun 11/8

3:40 pm-3:10 pm

3 stops33h 30m

Khon Kaen

Sun 11/29

9:10 pm-12:38 pm

2 stops29h 28m

$2,559

San FranciscoKhon Kaen

SFO - KKC

SFOKKC

San Francisco

Fri 7/17

11:40 am-11:35 am

3 stops33h 55m

Khon Kaen

Fri 7/24

7:05 pm-1:35 pm

2 stops32h 30m

$2,688

San FranciscoKhon Kaen

SFO - KKC

SFOKKC

San Francisco

Fri 7/17

11:40 am-11:35 am

3 stops33h 55m

Khon Kaen

Fri 7/24

3:40 pm-1:50 pm

3 stops36h 10m

$4,386

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Khon Kaen from

Khon Kaen flights insights and trends

Explore insights for your Khon Kaen flight to craft the best travel plan

How long does it take to fly to Khon Kaen?

On average, it takes 24h to fly from United States to Khon Kaen if you fly out of Boston (the most popular airport in United States) and into Udon Thani (the most popular airport in Khon Kaen). If you’re flying out of San Francisco and into Udon Thani, then the flight time is around 47h 25m.

Cheap Khon Kaen flight deals and tips

Summary info about Khon Kaen flight prices, duration and airlines

Best Round-Trip Price

$1,511

Fastest flight time

24h 10m
The best round-trip flight price to Khon Kaen from United States in the last 5 days is $1,511 (San Francisco to Khon Kaen).
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The fastest flight to Khon Kaen from United States takes 24h 10m (San Francisco to Khon Kaen).
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Frequently asked questions about flying to Khon Kaen

Is there an alternative airport near Khon Kaen?

Finding an alternative and possibly cheaper destination airport near Khon Kaen is possible. If you are planning a flight to Khon Kaen, consider booking flights to Khon Kaen Airport (4 mi from Khon Kaen city center), Roi Et Airport (66 mi from Khon Kaen city center), Buri Ram Airport (89 mi from Khon Kaen city center) or Sakon Nakhon Airport (99 mi from Khon Kaen city center).

Is there a cheaper alternative to flying into Khon Kaen?

Sakon Nakhon Airport has an average price of $82 per person and is typically the cheapest airport to fly into when visiting Khon Kaen. 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 Khon Kaen?

The best deal found on momondo in the last two weeks was a flight to Khon Kaen from Bangkok for $29. This is 70% cheaper than most flight deals to Khon Kaen. To find the cheapest price to Khon Kaen from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Khon Kaen Airport?

Prices for flights to Khon Kaen Airport refresh daily.

How many operators does momondo search for flights to Khon Kaen Airport?

As of July 2026, there are 4 operators available to choose from for flights to Khon Kaen Airport.

How old do you have to be to fly to Khon Kaen Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Khon Kaen Airport.

What documentation or ID do you need to fly to Khon Kaen Airport?

The required travel and health documents for your Khon Kaen Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Khon Kaen Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Khon Kaen?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Khon Kaen. Millions of users trust and use momondo every year so you are in good company.

Can I find flights to Khon Kaen with flexible booking policies on momondo?

momondo does allow users to show only those flights to Khon Kaen which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Khon Kaen?

momondo helps you find the best flight to Khon Kaen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Khon Kaen. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Khon Kaen

Popular flights to Khon Kaen

Popular routes according to searches in the past day on momondo
San Francisco to Khon Kaen Flightsfrom $1,715
Denver Intl to Khon Kaen Flightsfrom $1,963