$668 Cheap Flights from Phoenix (PHX) to Chiang Rai (CEI)

View $668 flight on Fri, Nov 7, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Chiang Rai Intl. Airport (CEI)

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Cheap Flights from Phoenix to Chiang Rai (PHX-CEI)

Prices were available within the past 7 days and start at $668 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Phoenix (PHX) to Chiang Rai (CEI)
Origin airport
Sky Harbor Intl.
Destination airport
Chiang Rai Intl.
Distance
8190 mi

Phoenix to Chiang Rai Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix to Chiang Rai in 2025. You can also book with separate airlines for your outbound and return journeys, from $668 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 Phoenix 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 Phoenix 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 Sky Harbor Intl. Airport (PHX) to Chiang Rai Intl. Airport (CEI) cost?
Lock in a cheap one-way flight from $668 or cheap return flight from Sky Harbor Intl. Airport (PHX) to Chiang Rai Intl. Airport (CEI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Chiang Rai Intl. Airport (CEI)?
The cheapest month to fly from PHX to CEI is , when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Chiang Rai Intl. Airport (CEI)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PHX to CEI flight.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Chiang Rai Intl. Airport (CEI)?
There aren't any daily direct flights departing from Sky Harbor Intl. Airport (PHX) to Chiang Rai Intl. Airport (CEI). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from PHX to CEI?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Chiang Rai Intl. Airport (CEI)?
Opt for a flight from Sky Harbor Intl. Airport (PHX) to Chiang Rai Intl. Airport (CEI) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Sky Harbor Intl. Airport (PHX) to Chiang Rai Intl. Airport (CEI) last-minute?
Waiting until just before your departure to book a flight from PHX to CEI generally means paying more. While it's possible to find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book a PHX to CEI flight and hotel package?
You can save money by booking a PHX 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 easy to manage it all in one place. After choosing your preferred flights and accommodations, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Chiang Rai Intl. Airport (CEI)?
If you booked your PHX to CEI flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.