€31 Cheap flights to Lisbon
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Lisbon departing on 23/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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What is the cheapest month to fly to Lisbon?
In general, January is the cheapest month to fly from Ireland to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €91. If you don’t want to visit Lisbon in January, then you should wait until February to fly from Ireland, when ticket prices are also cheap, with an average price of €114.
What is the absolute cheapest flight to Lisbon?
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What is the cheapest day to depart on your flight to Lisbon?
The cheapest day to depart from Ireland to Lisbon is on a Sunday. Travellers who choose to depart for Lisbon on a Sunday will often find tickets for as low as €334. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Lisbon on Tuesday is €704.
What is the cheapest time of day to depart on your flight to Lisbon?
According to our data, the cheapest time of day to fly to Lisbon is in the morning. momondo users have found flights departing from Ireland to Lisbon in the morning for as low as €388. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €767 on average. Flights to Lisbon from Ireland in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.
Cheapest flights to Lisbon Humberto Delgado
Find the cheapest flights to Lisbon Humberto Delgado from your nearest city or airport
| CHEAPEST MONTH TO FLY TO LISBON FROM DUBLIN | January | 45% cheaper | Flying from Dublin to Lisbon costs on average just €91 in January |
| MOST EXPENSIVE MONTH TO FLY TO LISBON FROM DUBLIN | December | 36% more expensive | It costs about €224 for flights to Lisbon from Dublin in December |
| MOST POPULAR MONTH TO FLY TO LISBON FROM DUBLIN | April | 555% more users visited | More momondo users searched in flights to Lisbon from Dublin in April than any other month |
Cheap Lisbon flight deals and tips
Summary info about Lisbon flight prices, duration and airlines
Best One-Way Price | €31 |
|---|---|
Best Round-Trip Price | €108 |
Fastest flight time | 2h 45m |
Popular in | December |
Frequently asked questions about flying to Lisbon
How far in advance should I book a flight to Lisbon?
We recommend purchasing flights from Ireland to Lisbon 39 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Lisbon for €165. In the past 72 hours, momondo users found flights from Ireland to Lisbon for as low as €87.
Is there an alternative airport near Lisbon?
Those flying to Lisbon could potentially find better pricing at Cascais Aerodrome Airport (19 km from Lisbon city centre) depending on the month and departure airport.
When did momondo last update prices for flights to Lisbon Humberto Delgado Airport?
Prices for flights to Lisbon Humberto Delgado Airport were last updated today.
How many operators does momondo search for flights to Lisbon Humberto Delgado Airport?
The number of operators available for flights to Lisbon Humberto Delgado Airport is 9 as of June 2025.
How old do you have to be to fly to Lisbon Humberto Delgado Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The necessary travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Travelling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal to Lisbon?
We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.
Can I find flights to Lisbon with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for flights to Lisbon to just show those with flexible booking policies.
How can momondo help me find flights to Lisbon?
momondo helps you find the best flight to Lisbon by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight to Lisbon right now. Can momondo alert me if prices change?
Price alerts on flights to Lisbon are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.