This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/12. 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
13 Dec — 20 Dec1
Return
1 adult
Economy
Return
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 13 November 2026. In the last 7 days, Cheapflights users made a total of 7,457,451 searches
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Route
Depart
Return
Price
Cheapest return flight
FaroDublin
FAO Faro - DUB Dublin
FAODUB
Faro
Sun 20/12
06:20-09:20
Nonstop3h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿676
FaroDublin
FAO Faro - DUB Dublin
FAODUB
Faro
Thu 17/12
09:20-12:20
Nonstop3h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿676
Fastest return journey
LisbonMálaga
LIS Lisbon Humberto Delgado - AGP Malaga
LISAGP
Lisbon Humberto Delgado
Thu 10/12
21:40-23:55
Nonstop1h 15m
Malaga
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿947
LisbonMálaga
LIS Lisbon Humberto Delgado - AGP Malaga
LISAGP
Lisbon Humberto Delgado
Thu 17/12
21:40-23:55
Nonstop1h 15m
Malaga
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿1,048
LisbonMálaga
LIS Lisbon Humberto Delgado - AGP Malaga
LISAGP
Lisbon Humberto Delgado
Fri 20/11
21:20-23:35
Nonstop1h 15m
Malaga
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿1,048
LisbonMálaga
LIS Lisbon Humberto Delgado - AGP Malaga
LISAGP
Lisbon Humberto Delgado
Thu 19/11
21:40-23:55
Nonstop1h 15m
Malaga
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿1,116
FaroDublin
FAO Faro - DUB Dublin
FAODUB
Faro
Wed 23/12
06:25-09:25
Nonstop3h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿1,150
FaroDublin
FAO Faro - DUB Dublin
FAODUB
Faro
Wed 16/12
06:25-09:25
Nonstop3h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿1,183
FaroDublin
FAO Faro - DUB Dublin
FAODUB
Faro
Tue 8/12
09:40-12:40
Nonstop3h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿1,183
FaroDublin
FAO Faro - DUB Dublin
FAODUB
Faro
Fri 4/12
09:20-12:20
Nonstop3h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿1,251
Flights are sorted by cheapest return flights first.
Deals found on 11/11
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.
FAO-DUB
LIS-AGP
LIS-GVA
LIS-ORY
LIS-HAJ
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.
PT0-BKK
FAO-DUB
LIS-AGP
LIS-GVA
LIS-ORY
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 ฿29,148). Flying from Portugal in December will prove the most costly (average of ฿37,939). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Which airlines fly from Portugal?
Only one airline operates round-trip flights from Portugal: เอทิฮัดแอร์เวย์. This airline flies to the following popular destinations: Bangkok.
When is the best time to book a flight from Portugal?
Booking 77 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.
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 7,457,451 searches.
Get a feel of what it's like to fly with เอทิฮัดแอร์เวย์ 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.
Consider departing from one of these cities also located in Portugal. Flight origins are based on user searches made on Cheapflights and were last updated on 13 November 2026.
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 13 November 2026.
Which is the cheapest airport to catch a flight from Portugal?
Porto airport offers the cheapest routes to Bangkok, from ฿20,153; whereas Lisbon Humberto Delgado airport is typically cheaper if you're flying to Bangkok, from ฿21,303. 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 December being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.
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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