Dublin to Lisbon in December 2026
DUB to LIS · Round trips departing in December · Economy · Prices per person in USD
Prices updated
Buy now or wait? We're still learning this route. We have 2 days of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when December fares drop below your price.December 2026 by departure day
Cheapest round trip leaving that day| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 $90 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 $199 | 22 | 23 $261 | 24 | 25 | 26 | 27 |
| 28 | 29 $284 | 30 $246 | 31 |
Empty days: no round trip found for that departure date yet. Green = cheapest third of the month.
Cheapest dates in December 2026
Round trip, per person-
Dec 11 – 13 2 nights · leave Fri$90Ryanair Nonstop · 2h 50mBook
-
Dec 21 – 28 7 nights · leave Mon$199Ryanair Nonstop · 2h 50mBook
-
Dec 30 – Jan 4, 2027 5 nights · leave Wed$246Ryanair Nonstop · 2h 50mBook
-
Dec 23 – 30 7 nights · leave Wed$261Ryanair 1 stop · 4h 15mBook
-
Dec 29 – Jan 3, 2027 5 nights · leave Tue$284Aer Lingus Nonstop · 3h 05mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
Good to know for December
December vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| October 2026 | $111 |
| November 2026 | $94 |
| December 2026 | $90 (cheapest month) |
| January 2027 | No fares found yet |
| February 2027 | No fares found yet |
| March 2027 | $211 |
| April 2027 | No fares found yet |
| May 2027 | $151 |
| June 2027 | No fares found yet |
| July 2027 | No fares found yet |
| August 2027 | No fares found yet |
| September 2027 | $174 |
Dublin to Lisbon in December: questions
What's the cheapest date to fly from Dublin to Lisbon in December 2026?
Leaving Friday, December 11 and returning Sunday, December 13 (2 nights) for $90 round trip on Ryanair, the cheapest of the 5 date combinations we track that month.
How much is a round trip from Dublin to Lisbon in December 2026?
From $90. Half of the 5 date combinations we track are under $246. Prices are per person in USD and change often.
Is December a cheap month to fly from Dublin to Lisbon?
Yes. It's the cheapest of the 6 months ahead we have prices for.