฿2,486+ 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 21/5. 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
6 Jun — 13 Jun1
1 adult
1 adult, Economy, 0 bags

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 7 May 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

LisbonBangkok

LIS - BKK

LISBKK

Lisbon Humberto Delgado

Tue 8/9

18:25-09:50

1 stop33h 25m

Bangkok Suvarnabhumi

Sun 20/9

12:35-08:55

1 stop26h 20m

฿24,894

LisbonBangkok

LIS - BKK

LISBKK

Lisbon Humberto Delgado

Thu 11/6

06:15-14:00

1 stop25h 45m

Bangkok Suvarnabhumi

Wed 24/6

12:50-23:25

1 stop16h 35m

฿26,185

LisbonBangkok

LIS - BKK

LISBKK

Lisbon Humberto Delgado

Tue 3/11

08:15-11:45

1 stop20h 30m

Bangkok Suvarnabhumi

Wed 18/11

08:30-06:55

1 stop29h 25m

฿27,703

LisbonBangkok

LIS - BKK

LISBKK

Lisbon Humberto Delgado

Thu 8/10

09:15-23:50

1 stop32h 35m

Bangkok Suvarnabhumi

Tue 20/10

03:15-07:25

1 stop34h 10m

฿27,735

LisbonBangkok

LIS - BKK

LISBKK

Lisbon Humberto Delgado

Mon 12/10

18:40-19:05

1 stop18h 25m

Bangkok Suvarnabhumi

Tue 27/10

20:30-13:00

1 stop23h 30m

฿28,478
Fastest return journey

PortoBangkok

OPO - BKK

OPOBKK

Porto

Thu 28/5

11:05-14:00

1 stop20h 55m

Bangkok Suvarnabhumi

Wed 10/6

23:40-09:20

1 stop15h 40m

฿28,994

LisbonBangkok

LIS - BKK

LISBKK

Lisbon Humberto Delgado

Sun 11/10

09:15-11:50

1 stop20h 35m

Bangkok Suvarnabhumi

Mon 26/10

14:40-06:55

1 stop23h 15m

฿29,188

LisbonPhuket City

LIS - HKT

LISHKT

Lisbon Humberto Delgado

Tue 9/6

08:55-23:55

1 stop33h 00m

Phuket City

Mon 15/6

02:25-07:25

1 stop35h 00m

฿29,414

LisbonBangkok

LIS - BKK

LISBKK

Lisbon Humberto Delgado

Thu 11/6

07:20-16:05

1 stop26h 45m

Bangkok Suvarnabhumi

Wed 24/6

22:35-17:55

1 stop25h 20m

฿29,802

FaroBangkok

FAO - BKK

FAOBKK

Faro

Fri 19/6

15:55-14:50

2 stops16h 55m

Bangkok Suvarnabhumi

Sun 28/6

12:50-08:20

1 stop25h 30m

฿30,221

Flights are sorted by cheapest return flights first.

Deals found on 7/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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.

When is the best time to book a flight from Portugal?

Booking 10 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portugal. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, May is the cheapest month in which you can book a flight from Portugal (average of ฿12,334). Flying from Portugal in March will prove the most costly (average of ฿45,945). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What is the cheapest place to fly to from Portugal?

The cheapest city to fly to from Portugal is Dublin, with prices starting at ฿1,341. Explore other affordable destinations below.

Dublin
Dublin
From ฿1,341
Nice Côte d'Azur
Nice Côte d'Azur
From ฿3,387
Geneva Geneve-Cointrin
Geneva Geneve-Cointrin
From ฿3,736
Zurich
Zurich
From ฿13,604

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.

Direct flights from Europe

Book a direct flight from one of these other cities located in Europe.
Direct flights from Lisbon
Direct flights from Porto
Direct flights from Funchal

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 7 May 2026.

  • Which is the cheapest airport to catch a flight from Portugal?

    Porto airport offers the cheapest routes to Bangkok, from ฿23,893; whereas Lisbon Humberto Delgado airport is typically cheaper if you're flying to Bangkok, from ฿24,216. 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 May; with March 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 Porto to Bangkok from ฿23,893

  • 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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