In terms of precipitation, rainfall in Portugal ranges from 6.0 - 122.0 inches per month. December is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Portugal when rainfall is around 6.0 mm. Find deals

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C). Find deals

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

When flying from Chiang Mai to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets. Find deals

What airport do you fly from for flights from Chiang Mai to Portugal?

Chiang Mai (CNX), located 3.1 km from the city centre, is the airport you fly out of when you book flights from Chiang Mai to Portugal. Find deals

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

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

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

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

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

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

฿14,852+ Cheap Flights from Chiang Mai to Portugal

Cheap flight deals from Chiang Mai to Portugal

Round-trip from	฿33,297
One-way from	฿14,852

29/9-6/10
6 total stops
61h 10m total
Chiang Mai to Portugal

Search Deals

26/9
3 total stops
48h 20m total
Chiang Mai to Portugal

Search Deals

Find flight deals from Chiang Mai to Portugal

Cheapest flights from Chiang Mai to Portugal
Explore the most affordable flight options available from Chiang Mai to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Mon 29/916:30CNX - LIS

3 stops34h 00mMultiple Airlines

Mon 6/1008:45LIS - CNX

3 stops27h 10mMultiple Airlines

Deal found 15/9฿33,297

Sun 5/1017:20CNX - LIS

3 stops33h 00mMultiple Airlines

Fri 17/1013:55LIS - CNX

3 stops26h 55mMultiple Airlines

Deal found 14/9฿33,424

Best flights from Chiang Mai to Portugal
Discover carefully curated flight deals from Chiang Mai to Portugal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2025.

Mon 29/916:30CNX - LIS

3 stops34h 00mMultiple Airlines

Mon 6/1008:45LIS - CNX

3 stops27h 10mMultiple Airlines

Deal found 15/9฿33,297

Sun 5/1017:20CNX - LIS

3 stops33h 00mMultiple Airlines

Fri 17/1013:55LIS - CNX

3 stops26h 55mMultiple Airlines

Deal found 14/9฿33,424

Last-minute flights from Chiang Mai to Portugal
Discover last-minute flight deals from Chiang Mai to Portugal. Data last updated 15 September 2025 and is based on user searches.

Mon 29/916:30CNX - LIS

3 stops34h 00mMultiple Airlines

Mon 6/1008:45LIS - CNX

3 stops27h 10mMultiple Airlines

Deal found 15/9฿33,297

Sun 5/1017:20CNX - LIS

3 stops33h 00mMultiple Airlines

Fri 17/1013:55LIS - CNX

3 stops26h 55mMultiple Airlines

Deal found 14/9฿33,424

One-way flights from Chiang Mai to Portugal
Search for one-way flight options from Chiang Mai to Portugal. Find affordable one-way fares based on user searches. Data last updated 15 September 2025.

Fri 26/912:35CNX - LIS

3 stops48h 20mMultiple Airlines

Deal found 14/9฿14,852

Mon 22/922:25CNX - LIS

3 stops40h 05mMultiple Airlines

Deal found 14/9฿15,042

Tue 23/922:25CNX - LIS

3 stops29h 45mMultiple Airlines

Deal found 14/9฿15,297

Sat 20/922:25CNX - LIS

3 stops39h 35mMultiple Airlines

Deal found 14/9฿15,456

Tue 30/1210:35CNX - LIS

3 stops42h 20mMultiple Airlines

Deal found 14/9฿16,315

Fri 7/1116:25CNX - LIS

3 stops47h 50mMultiple Airlines

Deal found 15/9฿16,633

Wed 31/1210:35CNX - LIS

3 stops43h 50mMultiple Airlines

Deal found 14/9฿16,728

Wed 24/915:45CNX - LIS

3 stops32h 40mMultiple Airlines

Deal found 14/9฿16,919

Thu 25/922:25CNX - LIS

3 stops30h 30mMultiple Airlines

Deal found 14/9฿17,141

Sun 21/913:55CNX - LIS

3 stops28h 55mMultiple Airlines

Deal found 14/9฿17,777

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Mon 29/9

16:30-20:30

3 stops34h 00m

Lisbon Humberto Delgado

Mon 6/10

08:45-17:55

3 stops27h 10m

฿33,297

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sun 5/10

17:20-20:20

3 stops33h 00m

Lisbon Humberto Delgado

Fri 17/10

13:55-22:50

3 stops26h 55m

฿33,424

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Fri 26/9

12:35-06:55

3 stops48h 20m

฿14,852

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Mon 22/9

22:25-08:30

3 stops40h 05m

฿15,042

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Tue 23/9

22:25-22:10

3 stops29h 45m

฿15,297

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Fri 7/11

16:25-09:15

3 stops47h 50m

฿16,633

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Thu 25/9

22:25-22:55

3 stops30h 30m

฿17,141

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Wed 31/12

23:05-06:50

2 stops38h 45m

฿17,269

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sun 21/9

13:55-12:50

3 stops28h 55m

฿17,777

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Mon 5/1

08:05-16:55

3 stops39h 50m

฿19,081

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 12 results

Best time to book a flight from Chiang Mai to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Chiang Mai with our price prediction graph.

Estimated return 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 Chiang Mai to Portugal

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from Chiang Mai to Portugal?
Chiang Mai (CNX), located 3.1 km from the city centre, is the airport you fly out of when you book flights from Chiang Mai to Portugal.
Can I find deals for flights from Chiang Mai to Portugal that include hotel bookings?
Yes. In addition to deals on Chiang Mai to Portugal flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Chiang Mai to Portugal?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Portugal.
Can I find deals for business class flights from Chiang Mai to Portugal?
Yes. Cheapflights offers flight deals from Chiang Mai to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Chiang Mai to Portugal. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Portugal?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chiang Mai to Portugal.

Can Cheapflights find flights from Chiang Mai to Portugal with no change fees?

Need flexible booking options for your flight to Portugal from Chiang Mai? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Chiang Mai to Portugal become cheaper?

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Cheap flights from Chiang Mai to Portugal from ฿14,852

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chiang Mai to Portugal

Keep the following information in mind while searching for Chiang Mai to Portugal flight deals. Data was last updated 15 September 2025.

Round-trip from

One-way from

Find flight deals from Chiang Mai to Portugal

Cheapest flights from Chiang Mai to PortugalExplore the most affordable flight options available from Chiang Mai to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Explore the most affordable flight options available from Chiang Mai to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Chiang Mai to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Chiang Mai with our price prediction graph.

Cheapflights Insights

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

Related info for your journey

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

What airport do you fly from for flights from Chiang Mai to Portugal?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chiang Mai to Portugal

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

Fly with Cheapflights

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How does Cheapflights help users find flights from Chiang Mai to Portugal?

Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Portugal?

Can Cheapflights find flights from Chiang Mai to Portugal with no change fees?

Can Cheapflights notify me if prices for flights from Chiang Mai to Portugal become cheaper?

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Cheapest flights from Chiang Mai to Portugal
Explore the most affordable flight options available from Chiang Mai to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.