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Cheap flights from Chiang Mai to Portugal from ฿14,254

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LIS
8 May — 15 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to Portugal

Enter your travel dates to find the best prices.

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 8 April 2026.

Tue 19/513:30
CNX
-
LIS
2 stops23h 55m
Multiple Airlines
Tue 26/509:15
LIS
-
CNX
2 stops18h 05m
Multiple Airlines
Deal found 4/4฿21,967
Sat 6/608:00
CNX
-
LIS
2 stops29h 25m
Multiple Airlines
Sun 14/609:15
LIS
-
CNX
2 stops30h 35m
Multiple Airlines
Deal found 4/4฿22,391
Sat 12/920:00
CNX
-
LIS
2 stops51h 00m
Multiple Airlines
Sun 27/920:50
LIS
-
CNX
2 stops32h 25m
Multiple Airlines
Deal found 5/4฿41,429
Sun 17/514:35
CNX
-
LIS
2 stops35h 05m
Emirates
Wed 20/521:25
LIS
-
CNX
2 stops39h 45m
Emirates
Deal found 6/4฿45,953
Sat 9/520:00
CNX
-
LIS
2 stops29h 40m
Emirates
Tue 12/514:20
LIS
-
CNX
2 stops22h 50m
Emirates
Deal found 3/4฿45,985

Find 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 8 April 2026.

Round-trip from

฿21,967

One-way from

฿14,254
19/5-26/5
  • 19/5-26/5
  • 4 total stops
  • 42h 00m total
  • Chiang Mai to Portugal
Search Deals
19/5
  • 19/5
  • 2 total stops
  • 30h 15m total
  • Chiang Mai to Portugal
Search Deals

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 8 April 2026.
Use the filters below to find and compare flights from Chiang Mai to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Tue 19/5

13:30-07:25

2 stops23h 55m

Lisbon Humberto Delgado

Tue 26/5

09:15-09:20

2 stops18h 05m

฿21,967

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sat 12/9

20:00-17:00

2 stops51h 00m

Lisbon Humberto Delgado

Sun 27/9

20:50-11:15

2 stops32h 25m

฿41,429

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sun 17/5

14:35-19:40

2 stops35h 05m

Lisbon Humberto Delgado

Wed 20/5

21:25-19:10

2 stops39h 45m

฿45,953

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sat 9/5

20:00-19:40

2 stops29h 40m

Lisbon Humberto Delgado

Tue 12/5

14:20-19:10

2 stops22h 50m

฿45,985

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sat 6/6

21:45-20:20

1 stop28h 35m

Lisbon Humberto Delgado

Sun 14/6

05:55-19:10

2 stops31h 15m

฿65,056
Cheapest one-way

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Fri 22/5

22:20-19:55

3 stops27h 35m

฿18,420
Fastest single journey

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Mon 18/5

16:25-07:25

2 stops21h 00m

฿18,746

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sun 17/5

10:55-07:25

2 stops26h 30m

฿19,234

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Thu 21/5

22:20-23:30

3 stops31h 10m

฿20,666

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Thu 14/5

15:40-22:50

3 stops37h 10m

฿20,893

Flights are sorted by cheapest return flights first.

Deals found on 6/4

Showing 1-10 of 11 resultsSorted by cheapest first
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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

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.

  • How long is the flight from Chiang Mai to Portugal?

    Departing from Chiang Mai to Portugal will take you 35h 05m. Chiang Mai and Portugal are separated by a distance of 10177 km.

  • 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

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Alternative routes for Chiang Mai to Portugal

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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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