AirHint found the following cheapest return flights from London (LON) to Klagenfurt (KLU)
in August 2025 (see full year ).
Return flights
28 Aug
- 14 Sep
Ryanair
$ 94
direct
28 Aug
- 11 Sep
Ryanair
$ 100
direct
24 Aug
- 11 Sep
Ryanair
$ 148
direct
28 Aug
- 04 Sep
Ryanair
$ 178
direct
14 Aug
- 24 Aug
Ryanair
$ 189
direct
28 Aug
- 31 Aug
Ryanair
$ 202
direct
28 Aug
- 30 Aug
Ryanair
$ 223
24 Aug
- 04 Sep
Ryanair
$ 226
direct
14 Aug
- 31 Aug
Ryanair
$ 243
direct
26 Aug
- 03 Sep
Austrian Airlines
$ 244
27 Aug
- 03 Sep
Austrian Airlines
$ 244
27 Aug
- 04 Sep
Austrian Airlines
$ 247
03 Aug
- 07 Aug
Ryanair
$ 250
direct
21 Aug
- 24 Aug
Ryanair
$ 259
direct
24 Aug
- 31 Aug
Ryanair
$ 265
direct
03 Aug
- 14 Aug
Ryanair
$ 272
direct
21 Aug
- 04 Sep
Ryanair
$ 274
direct
03 Aug
- 10 Aug
Ryanair
$ 275
direct
17 Aug
- 24 Aug
Ryanair
$ 275
direct
17 Aug
- 04 Sep
Ryanair
$ 290
direct
Also check the deals for one-way flights from London to Klagenfurt in August .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.