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?

Yes. Flexible dates can save you up to 16% on flights from Porto to Chiang Mai. Tuesday is the cheapest departure day at ฿28,113 return on average, while Wednesday is the most expensive at ฿33,176, a difference of ฿5,062. KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Chiang Mai?

Some of the most popular sights in Chiang Mai are Tha Phae Gate, Chang Puak Gate, and Chiang Mai 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 ฿25,650 to ฿54,033. That means the highest observed fare was about 2x 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 ฿18,529, which is 40% below the typical average for this route.

What is the time difference between Porto and Chiang Mai?

Chiang Mai is 7 hours ahead of Porto (Indochina Time vs Western European Time). Plan for the time shift when scheduling connections or first-day activities.

Which airline is the cheapest to fly from Porto to Chiang Mai?

เอทิฮัดแอร์เวย์ (฿53,831) offered the cheapest return ticket from Porto to Chiang Mai in the last 5 days.

Cheap Flights from Porto to Chiang Mai | KAYAK

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Cheapest return flight

฿25,650

Typical prices: ฿29,855-฿33,188

Multiple Airlines

Mon 12/11Fri 16/11

OPO - CNX • 3 stops

Cheapest one-way flight

฿14,276

Typical prices: ฿22,391-฿30,420

Multiple Airlines

Tue 6/2

OPO - CNX • 3 stops

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We hope you enjoy your trip to Chiang Mai!

Flight Deals

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

Recent return flight deals from Porto to Chiang Mai

Thu 12 Nov - Mon 16 Nov

06:05 - 15:25OPO Porto-CNX Chiang Mai

26h 20m3 stops Barcelona-El Prat Shanghai Pu Dong Kunming Changshui

09:10 - 09:40CNX Chiang Mai-OPO Porto

31h 30m2 stops Abu Dhabi Zayed Intl Madrid Barajas

฿25,650Multiple Airlines

23 hours ago

Thu 12 Nov - Mon 16 Nov

20:10 - 06:25OPO Porto-CNX Chiang Mai

27h 15m2 stops Amsterdam Schiphol Abu Dhabi Zayed Intl

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

35h 00m2 stops Abu Dhabi Zayed Intl Barcelona-El Prat

฿26,426Multiple Airlines

23 hours ago

Thu 12 Nov - Mon 16 Nov

12:35 - 06:25OPO Porto-CNX Chiang Mai

34h 50m3 stops Frankfurt am Main Paris Charles de Gaulle Abu Dhabi Zayed Intl

09:10 - 12:05CNX Chiang Mai-OPO Porto

33h 55m3 stops Abu Dhabi Zayed Intl Paris Charles de Gaulle Brussels Bruxelles-National

฿27,675Multiple Airlines

23 hours ago

Wed 9 Dec - Wed 16 Dec

14:35 - 23:35OPO Porto-CNX Chiang Mai

26h 00m3 stops Barcelona-El Prat Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

20:55 - 12:50CNX Chiang Mai-OPO Porto

22h 55m2 stops Abu Dhabi Zayed Intl Milan Malpensa

฿28,957Multiple Airlines

2 days ago

Wed 9 Dec - Wed 16 Dec

14:35 - 23:35OPO Porto-CNX Chiang Mai

26h 00m3 stops Barcelona-El Prat Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

20:55 - 18:00CNX Chiang Mai-OPO Porto

28h 05m3 stops Abu Dhabi Zayed Intl Barcelona-El Prat Lisbon Humberto Delgado

฿29,902Multiple Airlines

2 days ago

Wed 9 Dec - Wed 16 Dec

14:30 - 21:50OPO Porto-CNX Chiang Mai

24h 20m2 stops Rome Fiumicino Beijing Capital

20:55 - 12:50CNX Chiang Mai-OPO Porto

22h 55m2 stops Abu Dhabi Zayed Intl Milan Malpensa

฿30,577Multiple Airlines

2 days ago

Sun 22 Nov - Sun 29 Nov

11:55 - 22:05OPO Porto-CNX Chiang Mai

27h 10m3 stops Amsterdam Schiphol New Delhi Indira Gandhi Intl Bangkok Suvarnabhumi

15:15 - 18:50CNX Chiang Mai-OPO Porto

34h 35m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Kastrup Copenhagen

฿38,711Multiple Airlines

3+ days ago

Sun 22 Nov - Sun 29 Nov

20:10 - 06:25OPO Porto-CNX Chiang Mai

51h 15m2 stops Madrid Barajas Abu Dhabi Zayed Intl

15:15 - 18:50CNX Chiang Mai-OPO Porto

34h 35m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Kastrup Copenhagen

฿39,656Multiple Airlines

3+ days ago

Sun 22 Nov - Sun 29 Nov

20:10 - 06:25OPO Porto-CNX Chiang Mai

51h 15m2 stops Madrid Barajas Abu Dhabi Zayed Intl

09:10 - 23:45CNX Chiang Mai-OPO Porto

21h 35m2 stops Abu Dhabi Zayed Intl Rome Fiumicino

฿47,047Multiple Airlines

3+ days ago

Wed 11 Nov - Sun 15 Nov

20:10 - 06:25OPO Porto-CNX Chiang Mai

27h 15m2 stops Madrid Barajas Abu Dhabi Zayed Intl

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

32h 35m2 stops Abu Dhabi Zayed Intl Lisbon Humberto Delgado

฿53,831เอทิฮัดแอร์เวย์

1 day ago

Booking Insights

Price, demand, and travel trends for Porto to Chiang Mai flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Porto to Chiang Mai?: เอทิฮัดแอร์เวย์ (฿53,831) offered the cheapest return ticket from Porto to Chiang Mai in the last 5 days.

Find deals

Cheapest flight	฿14,276

One-way flight 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.

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 ฿25,650 to ฿54,033. That means the highest observed fare was about 2x 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 ฿18,529, which is 40% below the typical average for this route.
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?
Yes. Flexible dates can save you up to 16% on flights from Porto to Chiang Mai. Tuesday is the cheapest departure day at ฿28,113 return on average, while Wednesday is the most expensive at ฿33,176, a difference of ฿5,062.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Porto and Chiang Mai?
Chiang Mai is 7 hours ahead of Porto (Indochina Time vs Western European Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Chiang Mai?
Some of the most popular sights in Chiang Mai are Tha Phae Gate, Chang Puak Gate, and Chiang Mai Gate. These are among the most viewed places in Chiang Mai on KAYAK.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Wednesday. On this route, Tuesday flights average ฿28,113, which is about ฿5,062 less than Wednesday fares (15% 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.

• De Lanna Hotel
• Bodhi Serene, Chiang Mai
• Le Naview @Prasingh

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OPO - CNX

฿14,276 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

Price, demand, and travel trends for Porto to Chiang Mai flights

Which airline is the cheapest to fly 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

Flights to other popular destinations