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Cheap flights from Chiang Mai to Portugal from ฿23,797

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LIS
11 Jul — 18 Jul1
1 adult

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 6 July 2025.

Round-trip from

฿39,909

One-way from

฿23,797
20/7-27/7
  • 20/7-27/7
  • 6 total stops
  • 72h 05m total
  • Chiang Mai to Portugal
Search Deals
Thai Airways
  • Thai Airways
  • 3/9
  • 2 total stops
  • 38h 00m 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 6 July 2025.

Sun 20/706:35CNX - LIS
3 stops43h 50mMultiple Airlines
Sun 27/720:25LIS - CNX
3 stops28h 15mMultiple Airlines
Deal found 5/7฿39,909
Wed 30/720:00CNX - LIS
2 stops30h 20mQatar Airways
Thu 14/821:50LIS - CNX
2 stops33h 55mQatar Airways
Deal found 4/7฿44,785

Cheapflights Fare Finder

Customise your flight search to find flights from Chiang Mai to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 6 July 2025.
Use the filters below to find and compare flights from Chiang Mai to Portugal that are best for you.

Fly from

Chiang Mai

Fly to

Portugal

Route

Depart

Return

Price

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sun 20/7

06:35-20:25

3 stops43h 50m

Lisbon Humberto Delgado

Sun 27/7

20:25-06:40

3 stops28h 15m

฿39,909

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Wed 30/7

20:00-20:20

2 stops30h 20m

Lisbon Humberto Delgado

Thu 14/8

21:50-13:45

2 stops33h 55m

฿44,785

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Wed 3/9

15:30-23:30

2 stops38h 00m

฿23,797

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Wed 3/9

20:10-18:40

3 stops28h 30m

฿34,259

Flights are sorted by cheapest return flights first.

Deals found on 6/7

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.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated 6 July 2025.
Get a feel of what it's like to fly with Thai Airways and Qatar Airways from Chiang Mai to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.7
Good
336 reviews
Check prices

Crew

8.3

Overall

7.7

Comfort

7.5

Entertainment

6.8

Food

7.3

Boarding

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai Airways
7.7
Good
336 reviews
Thai Airways
7.7
Good
336 reviews
Check prices

Crew

8.3

Overall

7.7

Comfort

7.5

Entertainment

6.8

Food

7.3

Boarding

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Qatar Airways
7.4
Good
3,590 reviews
Thai Airways
7.7
Good
336 reviews
Check prices

Crew

8.3

Overall

7.7

Comfort

7.5

Entertainment

6.8

Food

7.3

Boarding

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

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?

    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.

See more FAQs

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.

Complete your trip

Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Portugal car hire
Lisbon car hire

Fly with Cheapflights

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

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?

Of course! You can now track prices for flights from Chiang Mai to Portugal and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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