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Cheap flights from Chiang Mai to Portugal from ฿32,682

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LIS
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Chiang Mai to Portugal

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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 20 November 2025.

Thu 4/1210:10CNX - LIS
2 stops35h 25mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Mon 8/1211:50LIS - CNX
2 stops18h 55mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 19/11฿34,530
Thu 4/1208:50CNX - LIS
1 stop28h 50mเอทิฮัดแอร์เวย์
Mon 8/1208:25LIS - CNX
1 stop14h 40mเอทิฮัดแอร์เวย์
Deal found 17/11฿46,494
Tue 30/1200:15CNX - LIS
1 stop26h 20mKorean Air
Wed 31/1221:40LIS - CNX
1 stop42h 15mKorean Air
Deal found 20/11฿100,219

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 20 November 2025.

Round-trip from

฿34,530

One-way from

฿32,682
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
  • สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
  • 4/12-8/12
  • 4 total stops
  • 54h 20m total
  • Chiang Mai to Portugal
Search Deals
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 11/1
  • 1 total stop
  • 28h 50m 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 20 November 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

Thu 4/12

10:10-14:35

2 stops35h 25m

Lisbon Humberto Delgado

Mon 8/12

11:50-13:45

2 stops18h 55m

฿34,530

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Thu 4/12

08:50-06:40

1 stop28h 50m

Lisbon Humberto Delgado

Mon 8/12

08:25-06:05

1 stop14h 40m

฿46,494

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Tue 30/12

00:15-19:35

1 stop26h 20m

Lisbon Humberto Delgado

Wed 31/12

21:40-22:55

1 stop42h 15m

฿100,219

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sun 11/1

08:50-06:40

1 stop28h 50m

฿32,682

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sun 18/1

08:50-06:40

1 stop28h 50m

฿32,682

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sun 11/1

13:20-06:40

2 stops48h 20m

฿37,383

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sun 18/1

08:50-23:25

2 stops21h 35m

฿37,578

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Mon 19/1

22:10-06:40

3 stops39h 30m

฿37,773

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Mon 19/1

10:10-11:45

2 stops32h 35m

฿62,446

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sat 17/1

00:15-18:45

1 stop25h 30m

฿120,969

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 11 results
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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 28h 50m. Chiang Mai and Portugal are separated by a distance of 10177 km. This flight may include one or multiple stops.

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

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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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