HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chiang Mai

$646+ Cheap flights from Philadelphia (PHL) to Chiang Mai (CNX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — CNX
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Chiang Mai with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Philadelphia to Chiang Mai

Cheapest flights from Philadelphia to Chiang Mai
Explore the most affordable flight options available from Philadelphia to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Korean Air deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:45 amPHL - CNX
2 stops28h 10mKorean Air
Wed 12/312:15 amCNX - PHL
2 stops24h 28mKorean Air
Deal found 10/25$1,013
This Korean Air deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:01 pmPHL - CNX
2 stops40h 54mKorean Air
Mon 12/812:15 amCNX - PHL
2 stops24h 28mKorean Air
Deal found 10/25$1,020
This Qatar Airways deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:30 pmPHL - CNX
2 stops49h 55mQatar Airways
Tue 12/910:10 amCNX - PHL
2 stops35h 10mQatar Airways
Deal found 10/25$1,024
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:30 pmPHL - CNX
2 stops30h 15mMultiple Airlines
Wed 12/37:45 pmCNX - PHL
2 stops49h 35mMultiple Airlines
Deal found 10/26$1,047
This Korean Air deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:02 amPHL - CNX
2 stops28h 53mKorean Air
Mon 11/2412:15 amCNX - PHL
2 stops24h 25mKorean Air
Deal found 10/27$1,048
This Korean Air deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:45 amPHL - CNX
2 stops28h 10mKorean Air
Thu 12/412:15 amCNX - PHL
2 stops24h 28mKorean Air
Deal found 10/25$1,053
This Korean Air deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:01 pmPHL - CNX
2 stops40h 54mKorean Air
Thu 12/412:15 amCNX - PHL
2 stops24h 28mKorean Air
Deal found 10/25$1,060
This SmartFares deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:10 amPHL - CNX
2 stops44h 45mMultiple Airlines
Sat 12/64:55 pmCNX - PHL
2 stops48h 51mMultiple Airlines
Deal found 10/25$1,061
This Korean Air deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:02 amPHL - CNX
2 stops28h 53mKorean Air
Tue 12/212:15 amCNX - PHL
2 stops24h 28mKorean Air
Deal found 10/28$1,093
This Korean Air deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:01 pmPHL - CNX
2 stops40h 54mKorean Air
Tue 12/212:15 amCNX - PHL
2 stops24h 28mKorean Air
Deal found 10/25$1,100
This FlightHub deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:30 pmPHL - CNX
2 stops35h 30mQatar Airways
Fri 12/57:45 pmCNX - PHL
2 stops49h 35mQatar Airways
Deal found 10/25$1,125

Cheap flight deals from Philadelphia to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$978
(Delta)

One-way from

$646
(Kiwi.com)
Provider with most accurate pricing for Philadelphia-Chiang Mai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Chiang Mai flights.
Search Deals
From Philadelphia to Chiang Mai
Search Deals
One-way flight from Philadelphia to Chiang Mai
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Philadelphia to Chiang Mai that are best for you.

Fly from

Philadelphia

Fly to

Chiang Mai

Route

Depart

Return

Price

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Wed 11/26

6:02 am-10:55 pm

2 stops28h 53m

Chiang Mai

Wed 12/3

12:15 am-12:43 pm

2 stops24h 28m

$1,013

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Mon 11/24

6:01 pm-10:55 pm

2 stops40h 54m

Chiang Mai

Mon 12/8

12:15 am-12:43 pm

2 stops24h 28m

$1,020

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Mon 11/24

6:01 pm-10:55 pm

2 stops40h 54m

Chiang Mai

Wed 12/3

12:15 am-12:43 pm

2 stops24h 28m

$1,020

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Thu 11/27

7:30 pm-9:25 am

2 stops49h 55m

Chiang Mai

Tue 12/9

10:10 am-9:20 am

2 stops35h 10m

$1,024

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Wed 11/19

6:02 am-10:55 pm

2 stops28h 53m

Chiang Mai

Mon 11/24

12:15 am-12:40 pm

2 stops24h 25m

$1,048

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Tue 11/25

6:45 am-10:55 pm

2 stops28h 10m

Chiang Mai

Thu 12/4

12:15 am-12:43 pm

2 stops24h 28m

$1,053

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Mon 11/24

6:01 pm-10:55 pm

2 stops40h 54m

Chiang Mai

Thu 12/4

12:15 am-12:43 pm

2 stops24h 28m

$1,060

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Tue 11/25

6:02 am-10:55 pm

2 stops28h 53m

Chiang Mai

Tue 12/2

12:15 am-12:43 pm

2 stops24h 28m

$1,093

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Mon 11/24

6:01 pm-10:55 pm

2 stops40h 54m

Chiang Mai

Tue 12/2

12:15 am-12:43 pm

2 stops24h 28m

$1,100

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Tue 11/25

7:30 pm-9:25 am

2 stops25h 55m

Chiang Mai

Wed 12/3

5:05 pm-9:20 am

2 stops28h 15m

$1,101

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 14 results
1
2

Compare providers for flights from Philadelphia to Chiang Mai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Chiang Mai in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Chiang Mai flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Chiang Mai flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Philadelphia-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Chiang Mai flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Chiang Mai

What is the cheapest month to book a flight from Philadelphia to Chiang Mai?

Currently, September is the cheapest month in which you can book a flight from Philadelphia to Chiang Mai (average of $780). Flying from Philadelphia to Chiang Mai in June is currently the most expensive (average of $1,284). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Philadelphia to Chiang Mai?

    Airlines like Korean Air and Qatar Airways fly from Philadelphia to Chiang Mai in about 28h 53m. The time it takes to get you to your destination can typically vary by up to 21h 02m. There are 8362 mi between Philadelphia and Chiang Mai. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Philadelphia to Chiang Mai that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Chiang Mai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Chiang Mai.

  • Can I find deals for business class flights from Philadelphia to Chiang Mai?

    Yes. Cheapflights offers flight deals from Philadelphia to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Chiang Mai?

    Currently, September is the cheapest month in which you can book a flight from Philadelphia to Chiang Mai (average of $780). Flying from Philadelphia to Chiang Mai in June is currently the most expensive (average of $1,284). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Suvarnabhumi flights
Newark to Suvarnabhumi flights
LaGuardia to Suvarnabhumi flights
Dulles Intl to Suvarnabhumi flights
Reagan-National to Suvarnabhumi flights
John F Kennedy Intl to Don Mueang Intl flights
Dulles Intl to Don Mueang Intl flights
John F Kennedy Intl to Phuket City flights
Philadelphia to Suvarnabhumi flights
Newark to Phuket City flights
Newark to Don Mueang Intl flights
LaGuardia to Phuket City flights
Pittsburgh to Suvarnabhumi flights
Dulles Intl to Phuket City flights
John F Kennedy Intl to Chiang Mai flights
Dulles Intl to Chiang Mai flights
Newark to Chiang Mai flights
Reagan-National to Phuket City flights
Scranton to Suvarnabhumi flights
Dulles Intl to Ko Samui flights
Philadelphia to Phuket City flights
John F Kennedy Intl to Rayong flights
John F Kennedy Intl to Ko Samui flights
Reagan-National to Chiang Mai flights
LaGuardia to Chiang Mai flights
Newark to Ko Samui flights
State College to Suvarnabhumi flights
LaGuardia to Don Mueang Intl flights
Newark to Krabi flights
Reagan-National to Ko Samui flights
Philadelphia to Krabi flights
John F Kennedy Intl to Krabi flights
Dulles Intl to Krabi flights
Reagan-National to Krabi flights
Harrisburg to Suvarnabhumi flights
Philadelphia to Don Mueang Intl flights
Newark to Chiang Rai flights
Allentown to Chiang Mai flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.