Cheap Flights from Baltimore Washington International to Chiang Mai

Compare Baltimore Washington International to Chiang Mai flight deals

Find the cheapest month or even day of the year to fly to Chiang Mai

Book the best Chiang Mai fare with no extra fees

Flight deals from Baltimore Washington International Airport to Chiang Mai Airport

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International Airport to Chiang Mai Airport? If you want to travel next month, return fares start from Rs313,455. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Baltimore Washington International to Chiang Mai

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to Chiang Mai flights are currently cheapest in April.

Baltimore Washington International to Chiang Mai: Alternative routes

Compare routes from Baltimore Washington International to Chiang Mai below. You may find an airport to fly into that's cheaper, faster, or easier than Chiang Mai.

Washington D.C. to Chiang Mai: Flight information

The things to know before you go.
Cheapest flight foundRs139,563
Cheapest month to flyApril

Finding cheap flights from Baltimore Washington International to Chiang Mai: Frequently asked questions

The best price we found for a return flight from Baltimore Washington International to Chiang Mai is Rs269,724. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Baltimore Washington International to Chiang Mai. But we found flights with one or more stops from Rs270,163.
As of March 2026, there are no flights flying from Baltimore Washington International to Chiang Mai.
The cheapest month to fly from Baltimore Washington International to Chiang Mai is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Chiang Mai Airport on Sunday, 8 November 2026.
No airlines currently offer direct flights between Baltimore Washington International Airport and Chiang Mai Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chiang Mai but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chiang Mai is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Alaska Airlines offers the cheapest flight tickets to Chiang Mai.

Travelling from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Chiang Mai International Airport (CNX): what you need to know

  • The timezone in Chiang Mai is UTC+7, which is 11 hours ahead of Washington DC.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably board your BWI to CNX flight.

  • Flying during a peak time such as July? School holidays and other popular periods can lead to longer queues at check-in and security. Play it safe and get there up to four hours ahead of international flights and two hours before domestic departures.

How to find the cheapest flights from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Chiang Mai International Airport (CNX)

  • Rs139,563 is currently the lowest price for a one-way Baltimore/Wash International Thurgood Marshall Airport to Chiang Mai International Airport flight. Return flights start at Rs270,163. These prices can change depending on demand and availability.

  • It's usually best to book in advance if you're hoping to get cheap tickets from BWI to CNX. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • If you're flexible with your travel dates, try using the 'Whole month' search tool. It'll give you the lowest price across each month when searching for your flight from Baltimore/Wash International Thurgood Marshall Airport to Chiang Mai International Airport.

  • Never miss a deal on cheap flights from BWI to CNX by setting up a Price Alert. We'll send you an email or notification through the app when a new discounted fare appears.

  • Tailor your trip with filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Baltimore/Wash International Thurgood Marshall Airport to Chiang Mai International Airport.

Handy information about Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • 77.13% of flights that depart Baltimore/Wash International Thurgood Marshall Airport land at their destination on time.

  • Central Washington DC to Baltimore/Wash International Thurgood Marshall Airport is around 48 kilometres. Depending on traffic, it'll take about 50 minutes to get there if you're catching a cab, ride-sharing or driving.

  • The trip on public transport will take about 1 hour 30 minutes.

  • Have an early flight from Baltimore/Wash International Thurgood Marshall Airport to Chiang Mai International Airport? Avoid the hassle of rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays close to BWI:

Arriving at Chiang Mai International Airport (CNX)

Getting from Chiang Mai International Airport (CNX) to central Chiang Mai

  • Chiang Mai International Airport to central Chiang Mai has a drive time of about 10 minutes. It's approximately 5 kilometres away.

  • Getting there on public transport takes roughly 25 minutes.

When to fly to Chiang Mai International Airport (CNX)

  • The quietest month for a flight from Baltimore/Wash International Thurgood Marshall Airport to Chiang Mai International Airport is February, while August is the most popular. Pick the ideal time to go to Chiang Mai based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Chiang Mai is April, with the temperature ranging between 22ºC and 42ºC. Book your flights from Baltimore/Wash International Thurgood Marshall Airport to Chiang Mai International Airport in this month if this is the kind of weather you like.

  • Search for cheap tickets from BWI to CNX in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 12ºC and 31ºC on average.

Explore more of Thailand

  • Chiang Mai has plenty going for it, but there are so many other corners of Thailand waiting to be discovered. Around 434 kilometres east of Chiang Mai, a trip to Udon Thani will keep your itinerary packed. Start with popular sights like Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor.

  • If you want to check out another well-known destination in Thailand, head for Lampang, about 80 kilometres south-east of Chiang Mai. Baan Sao Nak, Ratsadapisek Bridge and Horse-Drawn Carriage are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.