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฿2,495+ Cheap flights from Portugal

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LIS — BKK
8 Jul — 15 Jul1
1 adult

What to know about flights from Portugal

Discover essential information about flights departing from Portugal, including flight schedules, destinations, airlines operating at the Portugal airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 3 July 2025.

Good round-trip deal

฿13,651 or less

Good one-way deal

฿1,179 or less
Price to beat on a round-trip flight from Portugal.
Price to beat on a one-way flight from Portugal.

Find flights from Portugal

Cheapest flights from Portugal
Explore the most affordable flight options available from Portugal. Find the lowest fares based on data from user searches, with prices last updated on 3 July 2025.

Thu 6/1116:45OPO - BKK
2 stops41h 05mMultiple Airlines
Thu 13/1112:25BKK - OPO
1 stop27h 00mMultiple Airlines
Deal found 1/7฿23,360
Tue 2/920:45LIS - BKK
2 stops36h 50mMultiple Airlines
Sat 13/900:10BKK - LIS
2 stops29h 15mMultiple Airlines
Deal found 2/7฿25,661
Wed 1/1016:35OPO - BKK
2 stops31h 40mไอบีเรีย
Wed 15/1020:00BKK - OPO
2 stops25h 55mไอบีเรีย
Deal found 1/7฿25,985
Wed 8/1020:35OPO - BKK
2 stops28h 20mQatar Airways
Tue 21/1002:30BKK - OPO
2 stops23h 25mQatar Airways
Deal found 1/7฿26,438
Mon 24/1116:10LIS - BKK
1 stop38h 05mFinnair
Fri 12/1215:00BKK - LIS
2 stops31h 35mFinnair
Deal found 1/7฿27,216
Thu 11/920:20OPO - BKK
1 stop31h 10mเคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
Sat 27/912:05BKK - OPO
1 stop16h 10mเคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
Deal found 1/7฿27,896
Sat 6/919:30LIS - BKK
1 stop32h 00mเคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
Tue 16/912:05BKK - LIS
1 stop16h 45mเคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
Deal found 1/7฿27,896
Fri 21/1118:30LIS - BKK
1 stop30h 40mแอร์ฟร้านซ์
Thu 4/1210:10BKK - LIS
1 stop19h 15mแอร์ฟร้านซ์
Deal found 2/7฿28,253
Sat 4/1020:35OPO - HKT
2 stops40h 15mไอบีเรีย
Fri 10/1009:20HKT - OPO
2 stops28h 15mไอบีเรีย
Deal found 2/7฿28,415
Thu 27/1108:25LIS - BKK
1 stop15h 15mเอทิฮัดแอร์เวย์
Sun 7/1202:55BKK - LIS
1 stop35h 05mเอทิฮัดแอร์เวย์
Deal found 1/7฿28,544
Thu 13/1108:25LIS - HKT
1 stop32h 10mเอทิฮัดแอร์เวย์
Thu 20/1102:50HKT - LIS
1 stop35h 10mเอทิฮัดแอร์เวย์
Deal found 1/7฿28,804
Mon 25/807:55LIS - HKT
2 stops28h 30mMultiple Airlines
Tue 9/920:55HKT - LIS
2 stops31h 45mMultiple Airlines
Deal found 2/7฿29,905

Find flights from Portugal within your budget

Find flights departing from Portugal that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 3 July 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

PortoBangkok

OPO - BKK

OPOBKK

Porto

Thu 6/11

16:45-16:50

2 stops41h 05m

Bangkok Suvarnabhumi

Thu 13/11

12:25-08:25

1 stop27h 00m

฿23,360

LisbonBangkok

LIS - BKK

LISBKK

Lisbon Humberto Delgado

Tue 2/9

20:45-15:35

2 stops36h 50m

Bangkok Suvarnabhumi

Sat 13/9

00:10-23:25

2 stops29h 15m

฿25,661

PortoBangkok

OPO - BKK

OPOBKK

Porto

Wed 1/10

16:35-06:15

2 stops31h 40m

Bangkok Suvarnabhumi

Wed 15/10

20:00-15:55

2 stops25h 55m

฿25,985

PortoBangkok

OPO - BKK

OPOBKK

Porto

Wed 8/10

20:35-06:55

2 stops28h 20m

Bangkok Suvarnabhumi

Tue 21/10

02:30-19:55

2 stops23h 25m

฿26,438

LisbonBangkok

LIS - BKK

LISBKK

Lisbon Humberto Delgado

Mon 24/11

16:10-13:15

1 stop38h 05m

Bangkok Suvarnabhumi

Fri 12/12

15:00-15:35

2 stops31h 35m

฿27,216

PortoBangkok

OPO - BKK

OPOBKK

Porto

Thu 11/9

20:20-09:30

1 stop31h 10m

Bangkok Suvarnabhumi

Sat 27/9

12:05-22:15

1 stop16h 10m

฿27,896

LisbonBangkok

LIS - BKK

LISBKK

Lisbon Humberto Delgado

Sat 6/9

19:30-09:30

1 stop32h 00m

Bangkok Suvarnabhumi

Tue 16/9

12:05-22:50

1 stop16h 45m

฿27,896

LisbonBangkok

LIS - BKK

LISBKK

Lisbon Humberto Delgado

Fri 21/11

18:30-08:10

1 stop30h 40m

Bangkok Suvarnabhumi

Thu 4/12

10:10-22:25

1 stop19h 15m

฿28,253

PortoPhuket City

OPO - HKT

OPOHKT

Porto

Sat 4/10

20:35-18:50

2 stops40h 15m

Phuket City

Fri 10/10

09:20-07:35

2 stops28h 15m

฿28,415

LisbonBangkok

LIS - BKK

LISBKK

Lisbon Humberto Delgado

Thu 27/11

08:25-06:40

1 stop15h 15m

Bangkok Suvarnabhumi

Sun 7/12

02:55-07:00

1 stop35h 05m

฿28,544

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 51 results
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Best time to book a flight from Portugal

Have a flexible travel schedule? Discover the best time to fly from Portugal 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.

Travel insights for flights from Portugal

Get recent, data-driven insights about flights from Portugal including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Portugal?

Currently, April is the cheapest month in which you can book a flight from Portugal (average of ฿13,219). Flying from Portugal in July will prove the most costly (average of ฿23,652). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Portugal

Get insights into the airlines that provide service from Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Portugal. In the last 7 days, Cheapflights users made a total of 17,341 searches.
Get a feel of what it's like to fly with เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์, Thai Airways, andออสเตรียนแอร์ไลน์ from Portugal by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.8

Crew

8.4

Food

7.2

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Crew

8.4

Food

7.2

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Crew

8.4

Food

7.2

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Crew

8.4

Food

7.2

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Crew

8.4

Food

7.2

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Crew

8.4

Food

7.2

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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Related info for your journey

Access useful and relevant information related to your journey from Portugal. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 3 July 2025.
  • Which is the cheapest airport to catch a flight from Portugal?

    Lisbon Humberto Delgado airport offers the cheapest routes to Bangkok, from ฿21,190; whereas Porto airport is typically cheaper if you're flying to Bangkok, from ฿22,745. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Portugal?

    At the present moment the cheapest month to fly from Portugal is currently April; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Portugal?

    Here are some of the cheapest flight destinations from Portugal:
    Fly from Lisbon to Bangkok from ฿21,708

  • How does Cheapflights help users find flights from Portugal?

    Cheapflights helps you search for flights from Portugal via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Portugal.

  • Can Cheapflights find flights from Portugal with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Portugal, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from Portugal become cheaper?

    Yes, Cheapflights offers price alerts on flights from Portugal so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portugal?

Cheapflights helps you search for flights from Portugal via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Portugal.

Can Cheapflights find flights from Portugal with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portugal, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on flights from Portugal so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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