Cheap flights to Portugal

View €20 flight on Mon, 13 Apr 2026Opens in a new window

Popular airlines to Portugal

  • TAP Portugal

  • Lufthansa

  • Swiss International Air Lines

  • British Airways

  • Iberia

  • KLM

  • Air France

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Cheap round-trip flights to Portugal

Prices were available within the past 7 days and start at €20 for one-way flights and €40 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Mon, 13 Apr - Wed, 22 Apr
DUB
Dublin
LIS
Lisbon
€43 Return, just found
€43
Return
just found
Select Ryanair flight, departing Mon, 13 Apr from Dublin to Lisbon, returning Wed, 22 Apr, priced at €43 just found
Ryanair
Mon, 13 Apr - Thu, 23 Apr
DUB
Dublin
FNC
Madeira Island
€50 Return, found 2 hours ago
€50
Return
found 2 hours ago
Select Ryanair flight, departing Mon, 13 Apr from Dublin to Madeira Island, returning Thu, 23 Apr, priced at €50 found 2 hours ago
Ryanair
Sat, 16 May - Wed, 20 May
DUB
Dublin
FAO
Algarve
€58 Return, found 18 hours ago
€58
Return
found 18 hours ago
Select Ryanair flight, departing Sat, 16 May from Dublin to Algarve, returning Wed, 20 May, priced at €58 found 18 hours ago
Ryanair
Sat, 18 Apr - Fri, 5 Jun
DUB
Dublin
OPO
Porto
€65 Return, just found
€65
Return
just found
Select Ryanair flight, departing Sat, 18 Apr from Dublin to Porto, returning Fri, 5 Jun, priced at €65 just found
Aer Lingus
Tue, 21 Apr - Wed, 29 Apr
DUB
Dublin
FAO
Algarve
€105 Return, just found
€105
Return
just found
Select Aer Lingus flight, departing Tue, 21 Apr from Dublin to Algarve, returning Wed, 29 Apr, priced at €105 just found
Iberia
Tue, 15 Sept - Mon, 21 Sept
DUB
Dublin
OPO
Porto
€133 Return, found 3 days ago
€133
Return
found 3 days ago
Select Iberia flight, departing Tue, 15 Sept from Dublin to Porto, returning Mon, 21 Sept, priced at €133 found 3 days ago
Swiss International Air Lines
Tue, 16 Jun - Wed, 24 Jun
DUB
Dublin
FAO
Algarve
€136 Return, found 18 hours ago
€136
Return
found 18 hours ago
Select Swiss International Air Lines flight, departing Tue, 16 Jun from Dublin to Algarve, returning Wed, 24 Jun, priced at €136 found 18 hours ago
TAP Portugal
Fri, 29 Jan - Mon, 1 Feb
DUB
Dublin
LIS
Lisbon
€137 Return, found 2 hours ago
€137
Return
found 2 hours ago
Select TAP Portugal flight, departing Fri, 29 Jan from Dublin to Lisbon, returning Mon, 1 Feb, priced at €137 found 2 hours ago
Lufthansa
Tue, 10 Nov - Tue, 24 Nov
DUB
Dublin
OPO
Porto
€138 Return, found 8 hours ago
€138
Return
found 8 hours ago
Select Lufthansa flight, departing Tue, 10 Nov from Dublin to Porto, returning Tue, 24 Nov, priced at €138 found 8 hours ago
KLM
Mon, 15 Jun - Tue, 23 Jun
DUB
Dublin
FAO
Algarve
€165 Return, found 1 day ago
€165
Return
found 1 day ago
Select KLM flight, departing Mon, 15 Jun from Dublin to Algarve, returning Tue, 23 Jun, priced at €165 found 1 day ago

Trending flights to Portugal

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Tue, 14 Apr - Sat, 25 Apr
ORK
Cork
FAO
Algarve
€40 Return, found 1 hour ago
€40
Return
found 1 hour ago
Select Ryanair flight, departing Tue, 14 Apr from Cork to Algarve, returning Sat, 25 Apr, priced at €40 found 1 hour ago

Frequently asked questions

How do I find cheap flights to Portugal that have flexible change policies?
We understand that plans can change very quickly, so booking a flexible airfare with Expedia makes sense. Simply check the "No change fee" box directly under the "Flexible change policies" filter. Your well-priced and flexible flight to Portugal is just a few clicks away.
Which airlines fly to Portugal?
When you're ready to lock in your seat to or near Portugal, these top airlines are waiting to welcome you aboard:

  • TAP Portugal - 277 flights to or near Portugal each month, including 251 flights to Humberto Delgado Airport (LIS) per month.
  • United Airlines - 91 flights to or near Portugal each month, including 60 flights to Humberto Delgado Airport (LIS) per month.
  • Delta Air Lines - 60 flights to or near Portugal each month, including 60 flights to Humberto Delgado Airport (LIS) per month.

How can I find cheap tickets to Portugal?
A great strategy for nabbing cheap airfares is to be flexible with your dates. Start by searching for your flight to Portugal, then click on the "flexible dates" link for a list of prices for nearby days. Another good tip? Book in advance. For an idea of fares, €40 was the lowest price for a flight to Portugal in the last seven days.
How much is a flight to Portugal?
The cost of a round-trip ticket to Portugal in the last seven days ranged between €40 and €165. If you were journeying one way out of Dublin (DUB), you could have nabbed a cheap fare from just €20.
What are the most popular airports to fly into in Portugal?
Depending on your budget, carrier and where you're coming from, one of these leading airports will be your entry point to Portugal:

  • Humberto Delgado Airport (LIS) - 403 flights per month.
  • Dr. Francisco de Sa Carneiro Airport (OPO) - 56 flights per month.

How much is a plane ticket to Portugal?
In the last seven days, flights to Portugal ranged from €40 to €165.
What is the best time to go to Portugal?
If you're eager to enjoy Portugal's most populated city when it's really buzzing, set out for Lisbon District sometime in April, May and August. Similar to most locations in the Northern Hemisphere, summer here begins June 20, with average temperatures of between 18ºC and 27ºC.
What months are the cheapest to book a flight to Portugal?
An excellent month to purchase low-cost flights to Portugal is February. It's worth remembering that in the United States, an expensive time to reserve a ticket is during the busy month of December.

Book with confidence

About Portugal

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About Portugal

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