$602 Cheap Flights from Sofia (SOF) to Chiang Mai (CNX)

View $602 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from Sofia Airport (SOF) to Chiang Mai Intl. Airport (CNX)

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Cheap Flights from Sofia to Chiang Mai (SOF-CNX)

Prices were available within the past 7 days and start at $602 for one-way flights and $1,033 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, Nov 18 - Tue, Nov 25
SOF
Sofia
CNX
Chiang Mai
$1,033 Roundtrip, found 5 days ago
$1,033
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Nov 18 from Sofia to Chiang Mai, returning Tue, Nov 25, priced at $1,033 found 5 days ago
Lufthansa
Tue, Nov 18 - Tue, Nov 25
SOF
Sofia
CNX
Chiang Mai
$1,040 Roundtrip, found 5 days ago
$1,040
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Nov 18 from Sofia to Chiang Mai, returning Tue, Nov 25, priced at $1,040 found 5 days ago
Austrian Airlines
Tue, Nov 18 - Tue, Nov 25
SOF
Sofia
CNX
Chiang Mai
$1,061 Roundtrip, found 5 days ago
$1,061
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Tue, Nov 18 from Sofia to Chiang Mai, returning Tue, Nov 25, priced at $1,061 found 5 days ago
Lufthansa
Tue, Nov 18 - Tue, Nov 25
SOF
Sofia
CNX
Chiang Mai
$1,083 Roundtrip, found 5 days ago
$1,083
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Nov 18 from Sofia to Chiang Mai, returning Tue, Nov 25, priced at $1,083 found 5 days ago
Lufthansa
Tue, Nov 18 - Tue, Nov 25
SOF
Sofia
CNX
Chiang Mai
$1,095 Roundtrip, found 5 days ago
$1,095
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Nov 18 from Sofia to Chiang Mai, returning Tue, Nov 25, priced at $1,095 found 5 days ago
Austrian Airlines
Tue, Nov 18 - Tue, Nov 25
SOF
Sofia
CNX
Chiang Mai
$1,103 Roundtrip, found 5 days ago
$1,103
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Tue, Nov 18 from Sofia to Chiang Mai, returning Tue, Nov 25, priced at $1,103 found 5 days ago
Austrian Airlines
Tue, Nov 18 - Tue, Nov 25
SOF
Sofia
CNX
Chiang Mai
$1,114 Roundtrip, found 5 days ago
$1,114
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Tue, Nov 18 from Sofia to Chiang Mai, returning Tue, Nov 25, priced at $1,114 found 5 days ago
Lufthansa
Tue, Nov 18 - Tue, Nov 25
SOF
Sofia
CNX
Chiang Mai
$1,151 Roundtrip, found 5 days ago
$1,151
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Nov 18 from Sofia to Chiang Mai, returning Tue, Nov 25, priced at $1,151 found 5 days ago
Qatar Airways
Sat, Jan 3 - Sat, Jan 10
SOF
Sofia
CNX
Chiang Mai
$1,375 Roundtrip, found 6 days ago
$1,375
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Sat, Jan 3 from Sofia to Chiang Mai, returning Sat, Jan 10, priced at $1,375 found 6 days ago
Malaysia Airlines
Sat, Jan 3 - Sat, Jan 10
SOF
Sofia
CNX
Chiang Mai
$1,698 Roundtrip, found 6 days ago
$1,698
Roundtrip
found 6 days ago
Select Malaysia Airlines flight, departing Sat, Jan 3 from Sofia to Chiang Mai, returning Sat, Jan 10, priced at $1,698 found 6 days ago

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Chiang Mai Intl. Airport (CNX) cost?
Grab a cheap one-way flight from $602 or cheap return flight from $1,033 from Sofia Airport (SOF) to Chiang Mai Intl. Airport (CNX) 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 Mai Intl. Airport (CNX)?
The cheapest month to fly from SOF to CNX is November, when there's less demand. Off-peak months are 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 Mai Intl. Airport (CNX)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SOF to CNX flight.
How many flights per day from Sofia Airport (SOF) to Chiang Mai Intl. Airport (CNX)?
There aren't any daily nonstop flights available from Sofia Airport (SOF) to Chiang Mai Intl. Airport (CNX). But you can book 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 CNX?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, 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 Sofia Airport (SOF) to Chiang Mai Intl. Airport (CNX)?
Select a flight from Sofia Airport (SOF) to Chiang Mai Intl. Airport (CNX) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this 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 Sofia Airport (SOF) to Chiang Mai Intl. Airport (CNX) last-minute?
Holding off until just before your trip to book a flight from SOF to CNX often results in higher prices. Although you may find some last-minute offers, there's no guarantee. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a SOF to CNX flight and hotel package?
Opting for a SOF to CNX flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our impressive range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Chiang Mai Intl. Airport (CNX)?
If you reserved your SOF to CNX flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sofia
Destination airport
Chiang Mai Intl.
Roundtrip price
$1,032
Distance
4625 mi

Book with confidence

Sofia to Chiang Mai Flights

The cheapest times to fly from Sofia to Chiang Mai

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

 

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

Sunday is one of the best days to book for cheap flights from Sofia to Chiang Mai: 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 Mai

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 Mai in 2025. You can also book with separate airlines for your outbound and return journeys, from $602 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 Mai 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 Mai 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 Mai Flights

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*Available to One Key members.