What is the cheapest day to fly from Philadelphia to Chiang Mai?

Travelers seeking maximum savings on their Philadelphia to Chiang Mai flight should consider departing on Monday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

What is the cheapest day to fly round-trip from Philadelphia to Chiang Mai?

Flights from Philadelphia to Chiang Mai are found to be more expensive on Thursday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chiang Mai.

What is the cheapest time of day to fly from PHL to CNX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Chiang Mai as you normally would.

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.

$525+ Flights from Philadelphia to Chiang Mai

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Cheap flight deals from Philadelphia to Chiang Mai

Round-trip from	$1,128 (FlightHub)
One-way from	$525 (Trip.com)

From Philadelphia to Chiang Mai

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One-way flight from Philadelphia to Chiang Mai

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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 September 11, 2025.

Fri 9/268:25 pmPHL - CNX

2 stops27h 50mMultiple Airlines

Tue 9/308:00 pmCNX - PHL

2 stops48h 05mMultiple Airlines

Deal found 9/10

$1,128

Wed 12/37:06 amPHL - CNX

2 stops39h 29mMultiple Airlines

Wed 12/1711:50 amCNX - PHL

2 stops29h 56mMultiple Airlines

Deal found 9/9

$1,316

Wed 12/107:50 pmPHL - CNX

2 stops27h 40mMultiple Airlines

Thu 12/2510:10 amCNX - PHL

2 stops34h 50mMultiple Airlines

Deal found 9/9

$1,449

Wed 11/197:40 pmPHL - CNX

2 stops25h 45mMultiple Airlines

Tue 11/2510:10 amCNX - PHL

2 stops34h 55mMultiple Airlines

Deal found 9/10

$1,482

Wed 12/33:13 pmPHL - CNX

2 stops38h 37mChina Southern

Wed 12/176:50 pmCNX - PHL

3 stops49h 04mChina Southern

Deal found 9/9

$1,561

Wed 12/36:07 pmPHL - CNX

2 stops40h 48mKorean Air

Tue 12/1612:15 amCNX - PHL

2 stops34h 33mKorean Air

Deal found 9/9

$1,673

Wed 12/107:50 pmPHL - CNX

2 stops27h 40mMultiple Airlines

Fri 12/2612:10 pmCNX - PHL

2 stops32h 50mMultiple Airlines

Deal found 9/9

$1,678

Thu 12/117:06 amPHL - CNX

2 stops39h 19mChina Airlines

Thu 12/2511:25 amCNX - PHL

2 stops30h 12mChina Airlines

Deal found 9/9

$1,699

Thu 12/116:00 amPHL - CNX

2 stops28h 55mDelta

Wed 12/2412:15 amCNX - PHL

2 stops34h 36mDelta

Deal found 9/9

$1,729

Best flights from Philadelphia to Chiang Mai
Discover carefully curated flight deals from Philadelphia to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Fri 9/268:25 pmPHL - CNX

2 stops27h 50mMultiple Airlines

Tue 9/308:00 pmCNX - PHL

2 stops48h 05mMultiple Airlines

Deal found 9/10

$1,128

Wed 12/33:13 pmPHL - CNX

2 stops38h 37mChina Southern

Wed 12/176:50 pmCNX - PHL

3 stops49h 04mChina Southern

Deal found 9/9

$1,561

Wed 12/36:07 pmPHL - CNX

2 stops40h 48mKorean Air

Tue 12/1612:15 amCNX - PHL

2 stops34h 33mKorean Air

Deal found 9/9

$1,673

Wed 12/107:50 pmPHL - CNX

2 stops27h 40mMultiple Airlines

Thu 12/2510:10 amCNX - PHL

2 stops34h 50mMultiple Airlines

Deal found 9/9

$1,449

Wed 11/197:40 pmPHL - CNX

2 stops25h 45mMultiple Airlines

Tue 11/2510:10 amCNX - PHL

2 stops34h 55mMultiple Airlines

Deal found 9/10

$1,482

Wed 12/107:50 pmPHL - CNX

2 stops27h 40mMultiple Airlines

Fri 12/2612:10 pmCNX - PHL

2 stops32h 50mMultiple Airlines

Deal found 9/9

$1,678

Wed 12/310:46 amPHL - CNX

3 stops35h 49mMultiple Airlines

Wed 12/1711:05 pmCNX - PHL

3 stops35h 51mMultiple Airlines

Deal found 9/9

$1,748

Last-minute flights from Philadelphia to Chiang Mai
Discover last-minute flight deals from Philadelphia to Chiang Mai. Data last updated September 11, 2025 and is based on user searches.

Fri 9/268:25 pmPHL - CNX

2 stops27h 50mMultiple Airlines

Tue 9/308:00 pmCNX - PHL

2 stops48h 05mMultiple Airlines

Deal found 9/10

$1,128

Fri 9/267:00 pmPHL - CNX

3 stops37h 10mQatar Airways

Tue 9/308:00 pmCNX - PHL

2 stops48h 05mQatar Airways

Deal found 9/10

$1,753

One-way flights from Philadelphia to Chiang Mai
Search for one-way flight options from Philadelphia to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Wed 10/88:15 amPHL - CNX

2 stops39h 10mMultiple Airlines

Deal found 9/8

$525

Thu 10/95:50 pmPHL - CNX

3 stops50h 40mMultiple Airlines

Deal found 9/9

$533

Wed 10/151:02 pmPHL - CNX

3 stops34h 23mMultiple Airlines

Deal found 9/11

$555

Fri 10/105:30 amPHL - CNX

3 stops41h 55mMultiple Airlines

Deal found 9/11

$671

Tue 10/147:11 pmPHL - CNX

2 stops34h 09mMultiple Airlines

Deal found 9/11

$690

Tue 10/1410:56 amPHL - CNX

3 stops37h 19mQatar Airways

Deal found 9/10

$977

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Fri 9/26

8:25 pm-11:15 am

2 stops27h 50m

Chiang Mai

Tue 9/30

8:00 pm-9:05 am

2 stops48h 05m

$1,128

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Wed 12/10

7:50 pm-11:30 am

2 stops27h 40m

Chiang Mai

Thu 12/25

10:10 am-9:00 am

2 stops34h 50m

$1,449

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Wed 11/19

7:40 pm-9:25 am

2 stops25h 45m

Chiang Mai

Tue 11/25

10:10 am-9:05 am

2 stops34h 55m

$1,482

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Wed 12/3

3:13 pm-5:50 pm

2 stops38h 37m

Chiang Mai

Wed 12/17

6:50 pm-7:54 am

3 stops49h 04m

$1,561

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Wed 12/3

6:07 pm-10:55 pm

2 stops40h 48m

Chiang Mai

Tue 12/16

12:15 am-10:48 pm

2 stops34h 33m

$1,673

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Wed 12/10

7:50 pm-11:30 am

2 stops27h 40m

Chiang Mai

Fri 12/26

12:10 pm-9:00 am

2 stops32h 50m

$1,678

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Wed 12/3

10:46 am-10:35 am

3 stops35h 49m

Chiang Mai

Wed 12/17

11:05 pm-10:56 pm

3 stops35h 51m

$1,748

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Wed 10/8

8:15 am-10:25 am

2 stops39h 10m

$525

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Thu 10/9

5:50 pm-7:30 am

3 stops50h 40m

$533

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Wed 10/15

1:02 pm-10:25 am

3 stops34h 23m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 12 results

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 $977). Flying from Philadelphia to Chiang Mai in June is currently the most expensive (average of $1,562). 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

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 $977). Flying from Philadelphia to Chiang Mai in June is currently the most expensive (average of $1,562). 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.

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$525+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Chiang Mai with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

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Cheap flight deals from Philadelphia to Chiang Mai

Round-trip from

One-way from

Find flight deals from Philadelphia to Chiang Mai

Cheapest flights from Philadelphia to Chiang MaiExplore 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 September 11, 2025.

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 September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Chiang Mai that are best for you.

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.

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?

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.

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

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

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

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

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

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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 September 11, 2025.