$86 Cheap Flights from Udon Thani (UTH) to Chiang Rai (CEI)

View $86 flight on Fri, Aug 15, 2025Opens in a new window

Popular airlines from Udon Thani (UTH-Udon Thani Intl.) to Chiang Rai Intl. Airport (CEI)

Cheap Flights from Udon Thani to Chiang Rai (UTH-CEI)

Prices were available within the past 7 days and start at $86 for one-way flights and $158 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Nok Air
Mon, Sep 22 - Mon, Sep 29
UTH
Udon Thani
CEI
Chiang Rai
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day ago
Select Nok Air flight, departing Mon, Sep 22 from Udon Thani to Chiang Rai, returning Mon, Sep 29, priced at $158 found 1 day ago
Flights from Udon Thani (UTH) to Chiang Rai (CEI)
Origin airport
Udon Thani Intl.
Destination airport
Chiang Rai Intl.
Airlines serving
Nok Air
Roundtrip price
$157
Distance
260 mi

Udon Thani to Chiang Rai Flights

The cheapest times to fly from Udon Thani to Chiang Rai

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Udon Thani to Chiang Rai are during the month of September. You can find some of the cheapest flights from Udon Thani to Chiang Rai with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Udon Thani to Chiang Rai

Sunday is one of the best days to book for cheap flights from Udon Thani to Chiang Rai: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Udon Thani to Chiang Rai

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Udon Thani to Chiang Rai in 2025. You can also book with separate airlines for your outbound and return journeys, from $86 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Udon Thani to Chiang Rai flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Udon Thani to Chiang Rai airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Udon Thani Intl. Airport (UTH) to Chiang Rai Intl. Airport (CEI) cost?
Lock in a cheap one-way flight from $86 or cheap return flight from $158 from Udon Thani Intl. Airport (UTH) to Chiang Rai Intl. Airport (CEI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Udon Thani Intl. Airport (UTH) to Chiang Rai Intl. Airport (CEI)?
The cheapest month to fly from UTH to CEI is September, when there's less demand. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Udon Thani Intl. Airport (UTH) to Chiang Rai Intl. Airport (CEI)?
To find the cheapest airline that'll fly you from UTH to CEI, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Udon Thani Intl. Airport (UTH) to Chiang Rai Intl. Airport (CEI)?
There aren't any daily direct flights departing from Udon Thani Intl. Airport (UTH) to Chiang Rai Intl. Airport (CEI). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from UTH to CEI?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Udon Thani Intl. Airport (UTH) to Chiang Rai Intl. Airport (CEI)?
To avoid possible delays on the Udon Thani Intl. Airport (UTH) to Chiang Rai Intl. Airport (CEI) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Udon Thani Intl. Airport (UTH) to Chiang Rai Intl. Airport (CEI) last-minute?
Booking your ticket from UTH to CEI just before your journey is typically more expensive. However, if you're flexible with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book an UTH to CEI flight and hotel package?
You'll typically save money by securing an UTH to CEI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your preferred accommodations and flights, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Udon Thani Intl. Airport (UTH) to Chiang Rai Intl. Airport (CEI)?
Usually, it's possible to cancel or reschedule your UTH to CEI flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.