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.

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.

$974+ Flights from Philadelphia to Chiang Mai

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Cheap flight deals from Philadelphia to Chiang Mai

Round-trip from	$974 (FlightHub)

From Philadelphia to Chiang Mai

Search Deals

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 June 12, 2025.

Sun 9/76:00 amPHL - CNX

2 stops28h 55mKorean Air

Wed 9/1711:15 pmCNX - PHL

2 stops29h 02mKorean Air

Deal found 6/11

$974

Mon 10/137:00 amPHL - CNX

2 stops40h 25mEVA Air

Wed 10/2911:50 amCNX - PHL

2 stops28h 50mEVA Air

Deal found 6/11

$1,155

Sun 9/79:20 amPHL - CNX

3 stops34h 20mMultiple Airlines

Wed 9/178:00 amCNX - PHL

3 stops41h 02mMultiple Airlines

Deal found 6/11

$1,244

Sun 9/76:40 pmPHL - CNX

3 stops29h 35mQatar Airways

Wed 9/172:35 pmCNX - PHL

2 stops29h 25mQatar Airways

Deal found 6/11

$1,252

Mon 10/133:35 pmPHL - CNX

3 stops55h 50mChina Southern

Fri 10/2411:30 amCNX - PHL

2 stops30h 30mChina Southern

Deal found 6/11

$1,679

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 June 12, 2025.

Sun 9/76:00 amPHL - CNX

2 stops28h 55mKorean Air

Wed 9/1711:15 pmCNX - PHL

2 stops29h 02mKorean Air

Deal found 6/11

$974

Mon 10/137:00 amPHL - CNX

2 stops40h 25mEVA Air

Wed 10/2911:50 amCNX - PHL

2 stops28h 50mEVA Air

Deal found 6/11

$1,155

Sun 9/79:20 amPHL - CNX

3 stops34h 20mMultiple Airlines

Wed 9/178:00 amCNX - PHL

3 stops41h 02mMultiple Airlines

Deal found 6/11

$1,244

Sun 9/76:40 pmPHL - CNX

3 stops29h 35mQatar Airways

Wed 9/172:35 pmCNX - PHL

2 stops29h 25mQatar Airways

Deal found 6/11

$1,252

Mon 10/133:35 pmPHL - CNX

3 stops55h 50mChina Southern

Fri 10/2411:30 amCNX - PHL

2 stops30h 30mChina Southern

Deal found 6/11

$1,679

Last-minute flights from Philadelphia to Chiang Mai
Discover last-minute flight deals from Philadelphia to Chiang Mai. Data last updated June 12, 2025 and is based on user searches.

Mon 7/288:30 pmPHL - CNX

2 stops49h 50mQatar Airways

Mon 9/2910:10 amCNX - PHL

2 stops33h 50mQatar Airways

Deal found 6/11

$1,366

Mon 7/289:20 amPHL - CNX

3 stops35h 30mMultiple Airlines

Mon 9/2910:25 pmCNX - PHL

3 stops34h 13mMultiple Airlines

Deal found 6/11

$1,367

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

Sun 9/7

6:00 am-9:55 pm

2 stops28h 55m

Chiang Mai

Wed 9/17

11:15 pm-5:17 pm

2 stops29h 02m

$974

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Mon 10/13

7:00 am-10:25 am

2 stops40h 25m

Chiang Mai

Wed 10/29

11:50 am-5:40 am

2 stops28h 50m

$1,155

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Sun 9/7

9:20 am-6:40 am

3 stops34h 20m

Chiang Mai

Wed 9/17

8:00 am-2:02 pm

3 stops41h 02m

$1,244

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Sun 9/7

6:40 pm-11:15 am

3 stops29h 35m

Chiang Mai

Wed 9/17

2:35 pm-9:00 am

2 stops29h 25m

$1,252

PhiladelphiaChiang Mai

PHL - CNX

PHLCNX

Philadelphia

Mon 10/13

3:35 pm-10:25 am

3 stops55h 50m

Chiang Mai

Fri 10/24

11:30 am-7:00 am

2 stops30h 30m

$1,679

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, April is the cheapest month in which you can book a flight from Philadelphia to Chiang Mai (average of $1,012). Flying from Philadelphia to Chiang Mai in December is currently the most expensive (average of $1,655). 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.

Rainfall in Chiang Mai by month

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.

Temperature in Chiang Mai by month

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).

Reviews of airlines servicing Chiang Mai

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,202 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,088 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Southern

7.5

Good

99 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Qatar Airways

7.4

Good

3,584 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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, April is the cheapest month in which you can book a flight from Philadelphia to Chiang Mai (average of $1,012). Flying from Philadelphia to Chiang Mai in December is currently the most expensive (average of $1,655). 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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$974+ Cheap flights from Philadelphia (PHL) to Chiang Mai (CNX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. 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

3. Compare prices and book

Cheap flight deals from Philadelphia to Chiang Mai

Round-trip 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 June 12, 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 June 12, 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?

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

Reviews of airlines servicing 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

See prices for flight routes from nearby airports that may be better suited for you.

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Book with Flexibility

Travel Smart

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 June 12, 2025.