Cheap flights from Lille to Porto from $39 LIL, XDB → OPO

Found recently, and the cheapest we hold

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 47 days, 26 Sept to 11 Nov, the cheapest return we saw each day was $66 to $141.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 7-night return fares leaving within 3 days of 4 Dec to compare.

Every date we hold

4 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $84.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 44 days, 25 Sept to 11 Nov, the cheapest one-way we saw each day was $20 to $120.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold one-way fares on 1 other departure date within 3 days of 1 Jan 2027, and it is not cheaper.

Every date we hold

11 fares on 5 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $39.

Return

Fares 30 to 59 days before departure were typically 68% lower than 0 to 6 days before departure.

From the cheapest return each day between 26 Sept and 11 Nov (47 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 14 to 29 days before departure were typically 27% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 25 Sept and 11 Nov (44 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Lille to Porto?

The cheapest return found recently is $84 with Ryanair, 4 Dec to 11 Dec, found 2 days ago. The cheapest return fare on each of 3 departure dates is usually $143 to $232.

How much is a one-way flight from Lille to Porto?

The cheapest one-way found recently is $39 with Ryanair, 1 Jan 2027, found 2 days ago. The cheapest one-way fare on each of 5 departure dates is usually $44 to $56.

What is the cheapest month to fly from Lille to Porto?

December 2026 is the cheapest month for a return, from $84, 4 Dec to 11 Dec, found 2 days ago. January 2027 is the cheapest month for a one-way, from $39, 1 Jan 2027, found 2 days ago.

How far ahead should I book a flight from Lille to Porto?

In 47 days of prices between 26 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 68% lower than 0 to 6 days before departure. In 44 days of prices between 25 Sept and 11 Nov, one-way fares 14 to 29 days before departure were typically 27% lower than 0 to 6 days before departure.

Is there a direct flight from Lille to Porto?

Yes, the cheapest nonstop return found recently is $84 with Ryanair, 4 Dec to 11 Dec, found 2 days ago. The cheapest nonstop one-way found recently is $39 with Ryanair, 1 Jan 2027, found 2 days ago.

How long is the flight from Lille to Porto?

The cheapest nonstop one-way found recently, with Ryanair on 1 Jan 2027, takes 2 h 25 min from Lille Airport (LIL) to Porto Airport (OPO).

Which airlines have the cheapest flights from Lille to Porto?

Between 20 Nov and 23 Dec, Ryanair has the cheapest return on 2 of the 3 departure dates we hold, and Volotea on 1. Between 15 Nov and 1 Jan 2027, Ryanair has the cheapest one-way on 4 of the 5 departure dates we hold, and Volotea on 1.