Cheapest one-way tickets
Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.
Round trips
The cheapest return tickets found recently, price for the whole trip.
- Nov 9 – Nov 29China Southern Airlines, 1 stop out, 1 stop back $583
- Nov 2 – Nov 19China Eastern, 1 stop out, 1 stop back $605
- Dec 9 – Dec 23China Eastern, 1 stop out, 1 stop back $636
- Nov 14 – Nov 24China Eastern, 1 stop out, 1 stop back $641
- Nov 14 – Nov 28China Eastern, 1 stop out, 1 stop back $651
Plan the rest of the trip
Price calendar
The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.
October 2026
November 2026
Lowest fares by month
In the fares found this week, October has the lowest: from $238 one-way, against $391 in June 2027. Pick a month to see its cheapest date.
- Oct$238
- Nov$241
- Dec$242
- Jan$356
- Feb$336
- Mar$357
- Aprno fares yet
- Mayno fares yet
- Jun$391
- Julno fares yet
- Augno fares yet
- Sepno fares yet
Show as a table
| Month | Cheapest one-way | Date | Stops |
|---|---|---|---|
| October | $238 | Wed, Oct 28 | 1 stop |
| November | $241 | Tue, Nov 10 | 1 stop |
| December | $242 | Thu, Dec 10 | 1 stop |
| January 2027 | $356 | Thu, Jan 21 | 1 stop |
| February 2027 | $336 | Fri, Feb 26 | 1 stop |
| March 2027 | $357 | Sun, Mar 14 | 1 stop |
| April 2027 | — | ||
| May 2027 | — | ||
| June 2027 | $391 | Thu, Jun 17 | 1 stop |
| July 2027 | — | ||
| August 2027 | — | ||
| September 2027 | — |
Fares and weather by month
The lowest one-way fare found for each month, next to the weather in London. Average daily high and low and monthly precipitation.
| Oct2026 | Nov | Dec | Jan2027 | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lowest fare | $238 | $241 | $242 | $356 | $336 | $357 | – | – | $391 | – | – | – |
| High °C | 16° | 12° | 9° | 8° | 9° | 12° | 15° | 18° | 22° | 24° | 23° | 20° |
| Low °C | 9° | 5° | 3° | 3° | 3° | 4° | 6° | 9° | 12° | 14° | 14° | 12° |
| Precipitation mm | 65 | 67 | 57 | 59 | 45 | 39 | 42 | 46 | 47 | 46 | 53 | 50 |
Source: London on Wikipedia, CC BY-SA 4.0.
Questions travellers ask
What is the cheapest month to fly from Seoul to London?
In the fares found this week, October has the lowest: from $238 one-way, against $391 in June 2027.
What is the weather in London in October?
In October, the cheapest month to fly, the average daily high in London is 16 °C and the low 9 °C.
Are there direct flights from Seoul to London?
None of the fares found recently are nonstop. The cheapest options have at least one stop.
Which day of the week is cheapest to fly?
In the fares we have, Wednesday departures are the cheapest, with a typical lowest fare of $251. Saturday is the priciest at about $387.
More cheap flights from Seoul
All 434 destinations- JejuCJU South Korea from $19 Tue, Oct 27, nonstop
- BusanPUS South Korea from $27 Wed, Feb 3, nonstop
- GwangjuKWJ South Korea from $41 Thu, Oct 29, nonstop
- HiroshimaHIJ Japan from $54 Thu, Dec 17, nonstop
- OsakaOSA Japan from $56 Tue, Oct 27, nonstop
- QingdaoTAO China from $60 Mon, Oct 26, nonstop
- TokyoTYO Japan from $60 Tue, Oct 27, nonstop
- FukuokaFUK Japan from $65 Tue, Oct 27, nonstop
- TaipeiTPE Taiwan from $75 Thu, Mar 4, nonstop
- SapporoSPK Japan from $77 Wed, Oct 28, nonstop
- NagoyaNGO Japan from $79 Tue, Nov 10, nonstop
- DalianDLC China from $79 Mon, Nov 30, nonstop