Cheap Flights from Sofia (SOF) to Chiang Rai (CEI)

Popular airlines from Sofia Airport (SOF) to Chiang Rai Intl. Airport (CEI)

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Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Chiang Rai Intl. Airport (CEI) cost?
Get a cheap one-way flight or cheap return flight from Sofia Airport (SOF) 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 Sofia Airport (SOF) to Chiang Rai Intl. Airport (CEI)?
The cheapest month to fly from SOF to CEI is , when there's less demand. Off-peak season is generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Sofia Airport (SOF) to Chiang Rai Intl. Airport (CEI)?
To find the cheapest airline that'll fly you from SOF to CEI, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Sofia Airport (SOF) to Chiang Rai Intl. Airport (CEI)?
There are no daily nonstop flights from Sofia Airport (SOF) to Chiang Rai Intl. Airport (CEI). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from SOF to CEI?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be 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 Sofia Airport (SOF) to Chiang Rai Intl. Airport (CEI)?
To avoid possible delays on the Sofia Airport (SOF) to Chiang Rai Intl. Airport (CEI) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be 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 Sofia Airport (SOF) to Chiang Rai Intl. Airport (CEI) last-minute?
Waiting until just before your trip to book your flight from SOF to CEI often results in higher prices. While you may find some last-minute deals, they're not always guaranteed. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book a SOF to CEI flight and hotel package?
Compared with arranging hotels and flights separately, booking a SOF to CEI flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Chiang Rai Intl. Airport (CEI)?
It's usually possible to reschedule or cancel your SOF to CEI flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Sofia
Destination airport
Chiang Rai Intl.
Distance
4619 mi

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Sofia to Chiang Rai Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Sofia 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 Sofia 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 Sofia to Chiang Rai in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Sofia 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 Sofia 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.

 

Sofia to Chiang Rai Flights

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*Available to One Key members.