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Cheap flights from Chiang Mai to Portugal from ฿12,305

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LIS
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to Portugal

Enter your travel dates to find the best prices.

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 5 December 2025.

Thu 15/107:05CNX - LIS
3 stops35h 05mMultiple Airlines
Wed 21/120:05LIS - CNX
2 stops35h 15mMultiple Airlines
Deal found 5/12฿26,364
Thu 15/108:50CNX - LIS
1 stop28h 50mเอทิฮัดแอร์เวย์
Wed 21/108:25LIS - CNX
1 stop14h 40mเอทิฮัดแอร์เวย์
Deal found 5/12฿38,892
Sun 8/319:45CNX - LIS
2 stops50h 40mFinnair
Wed 11/316:10LIS - CNX
2 stops34h 15mFinnair
Deal found 4/12฿39,753
Sun 8/308:50CNX - LIS
1 stop28h 50mเอทิฮัดแอร์เวย์
Wed 11/308:25LIS - CNX
1 stop14h 40mเอทิฮัดแอร์เวย์
Deal found 4/12฿43,259

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 5 December 2025.

Round-trip from

฿26,364

One-way from

฿12,305
15/1-21/1
  • 15/1-21/1
  • 5 total stops
  • 70h 20m total
  • Chiang Mai to Portugal
Search Deals
19/2
  • 19/2
  • 2 total stops
  • 44h 20m 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 5 December 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 15/1

07:05-11:10

3 stops35h 05m

Lisbon Humberto Delgado

Wed 21/1

20:05-14:20

2 stops35h 15m

฿26,364

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Thu 15/1

08:50-06:40

1 stop28h 50m

Lisbon Humberto Delgado

Wed 21/1

08:25-06:05

1 stop14h 40m

฿38,892

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sun 8/3

19:45-15:25

2 stops50h 40m

Lisbon Humberto Delgado

Wed 11/3

16:10-09:25

2 stops34h 15m

฿39,753

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sun 8/3

08:50-06:40

1 stop28h 50m

Lisbon Humberto Delgado

Wed 11/3

08:25-06:05

1 stop14h 40m

฿43,259

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Thu 5/2

08:50-23:25

2 stops21h 35m

฿12,847

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Fri 20/2

22:50-09:05

3 stops41h 15m

฿14,792

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Sat 21/2

22:50-22:30

3 stops54h 40m

฿14,887

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Tue 17/2

12:05-13:35

3 stops56h 30m

฿15,142

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Mon 16/2

22:50-09:20

3 stops41h 30m

฿15,429

Chiang MaiLisbon

CNX - LIS

CNXLIS

Chiang Mai

Wed 18/2

14:30-23:25

3 stops39h 55m

฿17,151

Flights are sorted by cheapest return flights first.

Deals found on 5/12

Showing 1-10 of 14 results
1
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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?

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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