London to Istanbul in December 2026
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 1 day 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 $143 | 2 | 3 | 4 $149 | 5 | 6 $147 | |
| 7 $144 | 8 $148 | 9 | 10 $171 | 11 | 12 $388 | 13 $222 |
| 14 | 15 $187 | 16 | 17 $199 | 18 $404 | 19 $295 | 20 |
| 21 $275 | 22 $218 | 23 $277 | 24 $216 | 25 $221 | 26 | 27 $265 |
| 28 $176 | 29 $203 | 30 $223 | 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 1 – 22 21 nights · leave Tue$143Pegasus Airlines Nonstop · 3h 45mBook
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Dec 7 – 13 6 nights · leave Mon$144Pegasus Airlines Nonstop · 3h 45mBook
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Dec 6 – 10 4 nights · leave Sun$147Pegasus Airlines Nonstop · 3h 45mBook
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Dec 8 – 16 8 nights · leave Tue$148Pegasus Airlines Nonstop · 3h 45mBook
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Dec 4 – 7 3 nights · leave Fri$149Pegasus Airlines Nonstop · 3h 45mBook
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Dec 6 – 12 6 nights · leave Sun$155Pegasus Airlines Nonstop · 3h 45mBook
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Dec 10 – 15 5 nights · leave Thu$171easyJet 1 stop · 5h 35mBook
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Dec 28 – Jan 18, 2027 21 nights · leave Mon$176Pegasus Airlines Nonstop · 3h 55mBook
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Dec 15 – 25 10 nights · leave Tue$187Ryanair UK 1 stop · 4h 35mBook
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Dec 17 – 24 7 nights · leave Thu$199Wizz Air UK 2 stops · 5h 45mBook
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 |
|---|---|
| September 2026 | $151 |
| October 2026 | $104 (cheapest month) |
| November 2026 | $144 |
| December 2026 | $143 |
| January 2027 | $159 |
| February 2027 | $144 |
| March 2027 | No fares found yet |
| April 2027 | $232 |
| May 2027 | $238 |
| June 2027 | No fares found yet |
| July 2027 | $254 |
London to Istanbul in December: questions
What's the cheapest date to fly from London to Istanbul in December 2026?
Leaving Tuesday, December 1 and returning Tuesday, December 22 (21 nights) for $143 round trip on Pegasus Airlines, the cheapest of the 32 date combinations we track that month.
How much is a round trip from London to Istanbul in December 2026?
From $143. Half of the 32 date combinations we track are under $223. Prices are per person in USD and change often.
Is December a cheap month to fly from London to Istanbul?
It ranks 2 of 9 months we have prices for. The cheapest month is October 2026, from $104.