Which airports can I use when flying from Porto to Chiang Mai?

Flights from Porto to Chiang Mai usually depart from Porto (OPO) and arrive at Chiang Mai (CNX).

Can I save money by using flexible dates for flights from Porto to Chiang Mai?

On the Porto to Chiang Mai route, being flexible with your departure day can save you up to 46%. Saturday is the cheapest day at ฿29,158 return on average, while Friday is the most expensive at ฿53,440 – a ฿24,282 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Chiang Mai?

Some of the most popular sights in Chiang Mai are Tha Phae Gate, Wat Jed Yot, and Chang Puak Gate. These are among the most viewed places in Chiang Mai on KAYAK.

Do I need a passport to fly from Porto to Chiang Mai?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Porto to Chiang Mai changed much recently?

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿23,359 to ฿147,965. That means the highest observed fare was about 6x higher than the lowest one.

How are flight prices from Porto to Chiang Mai looking right now?

One-way fares from Porto to Chiang Mai are currently lower than usual. Average one-way flight prices are about ฿21,730, which is 20% below the typical average for this route.

What is the time difference between Porto and Chiang Mai?

Chiang Mai is 6 hours ahead of Porto (Indochina Time vs Western European Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Chiang Mai Airport (CNX)?

Chiang Mai Airport (CNX) hosts 5 major car hire companies, with daily rates starting from around ฿410 for economy cars. Top options include: • Drive Car Rental • Alamo • Sixt • Hertz • Yesaway

Cheap Flights from Porto to Chiang Mai | KAYAK

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Cheapest return flight

฿23,359

Typical prices: ฿30,467-฿48,387

Multiple Airlines

Tue 25/9Sat 29/9

OPO - CNX • 2 stops

Cheapest one-way flight

฿15,880

Typical prices: ฿21,859-฿27,119

Multiple Airlines

Wed 21/11

OPO - CNX • 2 stops

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Cheap Flights from Porto to Chiang Mai (OPO-CNX)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Recent return flight deals from Porto to Chiang Mai

Fri 25 Sep - Tue 29 Sep

06:35 - 21:50OPO Porto-CNX Chiang Mai

33h 15m2 stops London Gatwick Beijing Capital

23:05 - 22:55CNX Chiang Mai-OPO Porto

29h 50m2 stops Beijing Capital London Gatwick

฿23,359Multiple Airlines

Fri 25 Sep - Tue 29 Sep

08:35 - 21:50OPO Porto-CNX Chiang Mai

31h 15m3 stops Barcelona-El Prat London Gatwick Beijing Capital

23:05 - 22:55CNX Chiang Mai-OPO Porto

29h 50m2 stops Beijing Capital London Gatwick

฿24,018Multiple Airlines

Wed 11 Nov - Tue 24 Nov

16:05 - 06:05OPO Porto-CNX Chiang Mai

31h 00m2 stops Madrid Barajas Abu Dhabi Zayed Intl

09:10 - 06:45CNX Chiang Mai-OPO Porto

28h 35m2 stops Abu Dhabi Zayed Intl Madrid Barajas

฿25,139Multiple Airlines

Wed 11 Nov - Tue 24 Nov

16:05 - 06:05OPO Porto-CNX Chiang Mai

31h 00m2 stops Madrid Barajas Abu Dhabi Zayed Intl

09:10 - 13:30CNX Chiang Mai-OPO Porto

35h 20m3 stops Abu Dhabi Zayed Intl Madrid Barajas Lisbon Humberto Delgado

฿25,600Multiple Airlines

Wed 11 Nov - Tue 24 Nov

12:00 - 06:05OPO Porto-CNX Chiang Mai

35h 05m3 stops Lisbon Humberto Delgado Madrid Barajas Abu Dhabi Zayed Intl

09:10 - 00:30CNX Chiang Mai-OPO Porto

22h 20m3 stops Abu Dhabi Zayed Intl Madrid Barajas Lisbon Humberto Delgado

฿27,544Multiple Airlines

Fri 25 Sep - Tue 29 Sep

06:15 - 21:50OPO Porto-CNX Chiang Mai

33h 35m3 stops Bordeaux Barcelona-El Prat Beijing Capital

20:35 - 19:40CNX Chiang Mai-OPO Porto

29h 05m3 stops Bangkok Suvarnabhumi Dubai Intl Milan Malpensa

฿28,236Multiple Airlines

Mon 23 Nov - Mon 30 Nov

19:55 - 06:05OPO Porto-CNX Chiang Mai

27h 10m2 stops Milan Malpensa Abu Dhabi Zayed Intl

09:10 - 23:20CNX Chiang Mai-OPO Porto

21h 10m2 stops Abu Dhabi Zayed Intl Zurich

฿30,179Multiple Airlines

Mon 23 Nov - Mon 30 Nov

19:55 - 06:05OPO Porto-CNX Chiang Mai

27h 10m2 stops Milan Malpensa Abu Dhabi Zayed Intl

09:10 - 13:30CNX Chiang Mai-OPO Porto

35h 20m3 stops Abu Dhabi Zayed Intl London Heathrow Lisbon Humberto Delgado

฿31,728Multiple Airlines

Thu 21 Jan - Thu 28 Jan

07:05 - 21:50OPO Porto-CNX Chiang Mai

31h 45m2 stops London Gatwick Beijing Capital

01:30 - 12:35CNX Chiang Mai-OPO Porto

42h 05m2 stops Shanghai Pu Dong London Gatwick

฿32,453Multiple Airlines

Thu 21 Jan - Thu 28 Jan

07:05 - 21:50OPO Porto-CNX Chiang Mai

31h 45m2 stops London Gatwick Beijing Capital

01:30 - 07:30CNX Chiang Mai-OPO Porto

61h 00m3 stops Shanghai Pu Dong London Gatwick Lisbon Humberto Delgado

฿33,112Multiple Airlines

Useful Info

Cheapest flight	฿15,880

Flights from Porto to Chiang Mai

When to book flights from Porto to Chiang Mai

Are your dates flexible? Find out the best times to travel from Porto to Chiang Mai based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Porto to Chiang Mai?
Flights from Porto to Chiang Mai usually depart from Porto (OPO) and arrive at Chiang Mai (CNX).
Can I save money by using flexible dates for flights from Porto to Chiang Mai?
On the Porto to Chiang Mai route, being flexible with your departure day can save you up to 46%. Saturday is the cheapest day at ฿29,158 return on average, while Friday is the most expensive at ฿53,440 – a ฿24,282 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What popular places can I visit in Chiang Mai?
Some of the most popular sights in Chiang Mai are Tha Phae Gate, Wat Jed Yot, and Chang Puak Gate. These are among the most viewed places in Chiang Mai on KAYAK.
Do I need a passport to fly from Porto to Chiang Mai?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Porto to Chiang Mai changed much recently?
Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿23,359 to ฿147,965. That means the highest observed fare was about 6x higher than the lowest one.
How are flight prices from Porto to Chiang Mai looking right now?
One-way fares from Porto to Chiang Mai are currently lower than usual. Average one-way flight prices are about ฿21,730, which is 20% below the typical average for this route.
What is the time difference between Porto and Chiang Mai?
Chiang Mai is 6 hours ahead of Porto (Indochina Time vs Western European Time). Plan for the time shift when scheduling connections or first-day activities.
Which car hire options are available at Chiang Mai Airport (CNX)?
Chiang Mai Airport (CNX) hosts 5 major car hire companies, with daily rates starting from around ฿410 for economy cars. Top options include:
• Drive Car Rental
• Alamo
• Sixt
• Hertz
• Yesaway

If your dates are flexible, aim for a Saturday departure instead of Friday. On this route, Saturday flights average ฿29,158 – about ฿24,282 less than Friday (45% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Chiang Mai Airport.
- Le Naview @Prasingh
- Bodhi Serene, Chiang Mai
- 99 The Gallery Hotel

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OPO - CNX

฿15,880 Find Cheap Flights from Porto to Chiang Mai – Compare and Save

Everything you should know

Cheap Flights from Porto to Chiang Mai (OPO-CNX)

Recent return flight deals from Porto to Chiang Mai

Recent one-way flight deals from Porto to Chiang Mai

Recent last minute flight deals from Porto to Chiang Mai

Key details for Porto to Chiang Mai flights

Cheapest flight

When to book flights from Porto to Chiang Mai

Your Porto to Chiang Mai flight questions, answered

Your guide to booking Porto to Chiang Mai flights

More options for your flight from Porto to Chiang Mai

Complete your trip to Chiang Mai with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights from Porto to Chiang Mai

Flights from domestic origins to Chiang Mai

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