London to Belfast in December 2026
LON to BFS · Round trips departing in December · Economy · Prices per person in USD
Prices updated
Typical in December
$84
Median of 7 date combinations
Usual on this route
$49
December's cheapest is 6% less
Typical price — worth watching
6% below the usual $49, and prices have been falling this week. Based on 47 days of prices.
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December 2026 by departure day
Cheapest round trip leaving that day| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 $49 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 $46 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 $126 | 20 |
| 21 | 22 | 23 $84 | 24 $106 | 25 | 26 | 27 |
| 28 | 29 | 30 | 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 12 – 15 3 nights · leave Sat$46Ryanair Nonstop · 1h 20mBook
-
Dec 4 – 7 3 nights · leave Fri$49easyJet Nonstop · 1h 30mBook
-
Dec 12 – 16 4 nights · leave Sat$49Ryanair Nonstop · 1h 20mBook
-
Dec 23 – Jan 1, 2027 9 nights · leave Wed$84Ryanair UK Nonstop · 1h 20mBook
-
Dec 23 – Jan 7, 2027 15 nights · leave Wed$98Ryanair Nonstop · 1h 20mBook
-
Dec 24 – 27 3 nights · leave Thu$106Ryanair UK Nonstop · 1h 20mBook
-
Dec 19 – Jan 6, 2027 18 nights · leave Sat$126easyJet 1 stop · 2h 05mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
2–4 nights
$46
Dec 12 – 15 · 4 options
8–14 nights
$84
Dec 23 – Jan 1, 2027 · 1 option
15–21 nights
$98
Dec 23 – Jan 7, 2027 · 2 options
Good to know for December
Airlines with cheap fares
3 airlines
Most often: Ryanair, easyJet, Ryanair UK.
December vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $48 |
| December 2026 | $46 (cheapest month) |
| January 2027 | $60 |
London to Belfast in December: questions
What's the cheapest date to fly from London to Belfast in December 2026?
Leaving Saturday, December 12 and returning Tuesday, December 15 (3 nights) for $46 round trip on Ryanair, the cheapest of the 7 date combinations we track that month.
How much is a round trip from London to Belfast in December 2026?
From $46. Half of the 7 date combinations we track are under $84. Prices are per person in USD and change often.