$829 Cheap Flights from Chiang Rai (CEI) to Denver (DEN)

View $829 flight on Mon, Dec 15, 2025Opens in a new window

Popular airlines from Chiang Rai Intl. Airport (CEI) to Denver Intl. Airport (DEN)

Cheap Flights from Chiang Rai to Denver (CEI-DEN)

Prices were available within the past 7 days and start at $829 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from Chiang Rai Intl. Airport (CEI) to Denver Intl. Airport (DEN)?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from CEI to DIA airport start from . Book today to secure the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from CEI to Denver Airport?
When it comes to cancellation fees, every airline has a different set of terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from CEI to DEN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Chiang Rai Intl. Airport (CEI) to DEN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Mae Fah Luang - Chiang Rai Intl. Airport to Denver Airport?
Chiang Rai to Denver is around 8017 mi, so get ready to spend a while in the air. Don't forget to pack all the essentials, from your toothbrush to your hairbrush. Throw in a few snacks to nibble on throughout your journey too.
Which airlines fly direct from Chiang Rai Intl. Airport (CEI) to Denver Intl. Airport (DEN)?
You won't find any airlines flying directly between Mae Fah Luang - Chiang Rai Intl. Airport and DIA airport, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip!
Are CEI to Denver Intl. Airport (DEN) flight tickets cheaper when they're purchased at the last minute?
It is possible to get amazing last-minute deals from Chiang Rai Intl. Airport (CEI) to Denver Intl. Airport (DEN), but it's also possible to miss out altogether! As many airlines advertise prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest easy knowing you're always getting the latest offers.

Travel information

Origin airport
Chiang Rai Intl.
Destination airport
Denver Intl.
Distance
8011 mi

Book with confidence

Chiang Rai to Denver Flights

The cheapest times to fly from Chiang Rai to Denver

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 Chiang Rai to Denver are during the month of . You can find some of the cheapest flights from Chiang Rai to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chiang Rai to Denver

Sunday is one of the best days to book for cheap flights from Chiang Rai to Denver: 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 Chiang Rai to Denver

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 Chiang Rai to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $829 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 Chiang Rai to Denver 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 Chiang Rai to Denver 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.

 

Chiang Rai to Denver Flights
*Available to One Key members.