Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Khon Kaen

$1,356 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 9/23. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United States to Khon Kaen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
1:58 pm - 8:00 am
SFO
-
KKC
28h 02m
2 stops
Air Canada Logo
7:05 pm - 3:21 pm
KKC
-
SFO
34h 16m
2 stops
$1,356Air Canada
Wed, Sep 23 - Sun, Sep 27
Multiple Airlines Logo
1:00 pm - 8:00 am
SFO
-
KKC
29h 00m
2 stops
Multiple Airlines Logo
7:05 pm - 7:20 am
KKC
-
SFO
26h 15m
2 stops
$1,428Multiple Airlines
Sat, Jul 4 - Tue, Jul 21
Multiple Airlines Logo
1:15 am - 6:35 pm
SFO
-
KKC
27h 20m
2 stops
Multiple Airlines Logo
7:05 pm - 7:20 am
KKC
-
SFO
26h 15m
2 stops
$1,595Multiple Airlines
Tue, Jun 30 - Mon, Jul 13
Multiple Airlines Logo
1:15 am - 3:10 pm
SFO
-
KKC
23h 55m
2 stops
Multiple Airlines Logo
7:05 pm - 7:20 am
KKC
-
SFO
26h 15m
2 stops
$1,617Multiple Airlines
Tue, Jun 30 - Wed, Jul 15

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 May 20, 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

San FranciscoKhon Kaen

SFO - KKC

SFOKKC

San Francisco

Wed 9/23

1:58 pm-8:00 am

2 stops28h 02m

Khon Kaen

Sun 9/27

7:05 pm-3:21 pm

2 stops34h 16m

$1,356

San FranciscoKhon Kaen

SFO - KKC

SFOKKC

San Francisco

Sat 7/4

1:00 pm-8:00 am

2 stops29h 00m

Khon Kaen

Tue 7/21

7:05 pm-7:20 am

2 stops26h 15m

$1,428

San FranciscoKhon Kaen

SFO - KKC

SFOKKC

San Francisco

Tue 6/30

1:15 am-6:35 pm

2 stops27h 20m

Khon Kaen

Mon 7/13

7:05 pm-7:20 am

2 stops26h 15m

$1,595
Quickest round-trip

San FranciscoKhon Kaen

SFO - KKC

SFOKKC

San Francisco

Tue 6/30

1:15 am-3:10 pm

2 stops23h 55m

Khon Kaen

Wed 7/15

7:05 pm-7:20 am

2 stops26h 15m

$1,617

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 23h to fly from United States to Khon Kaen if you fly out of San Francisco (the most popular airport in United States) and into Udon Thani (the most popular airport in Khon Kaen). If you’re flying out of Boston and into Udon Thani, then the flight time is around 24h.

Cheap Khon Kaen flight deals and tips

Summary info about Khon Kaen flight prices, duration and airlines

Best Round-Trip Price

$1,356

Fastest flight time

28h 02m
The best round-trip flight price to Khon Kaen from United States in the last 72 hours is $1,356 (San Francisco to Khon Kaen).
Search Deals
The fastest flight to Khon Kaen from United States takes 28h 02m (San Francisco to Khon Kaen).
Search Deals

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 $52 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 $38. This is 59% 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 May 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.

An easier way to manage your Khon Kaen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 6/19
Fri 6/26
By creating a price alert you accept our terms of use and privacy policy.

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 $1,356
Denver Intl to Khon Kaen Flightsfrom $4,620