AirHint found the following cheapest return flights from London (LON) to Klagenfurt (KLU)
in April 2025 (see full year ).
Return flights
27 Apr
- 15 May
Ryanair
$ 43
direct
27 Apr
- 08 May
Ryanair
$ 51
direct
27 Apr
- 04 May
Ryanair
$ 52
direct
27 Apr
- 01 May
Ryanair
$ 54
direct
24 Apr
- 08 May
Ryanair
$ 56
direct
24 Apr
- 04 May
Ryanair
$ 58
direct
24 Apr
- 01 May
Ryanair
$ 60
direct
10 Apr
- 24 Apr
Ryanair
$ 63
direct
13 Apr
- 01 May
Ryanair
$ 63
direct
13 Apr
- 24 Apr
Ryanair
$ 67
direct
10 Apr
- 17 Apr
Ryanair
$ 68
direct
24 Apr
- 27 Apr
Ryanair
$ 70
direct
10 Apr
- 27 Apr
Ryanair
$ 70
direct
27 Apr
- 11 May
Ryanair
$ 70
direct
13 Apr
- 27 Apr
Ryanair
$ 73
direct
24 Apr
- 11 May
Ryanair
$ 75
direct
13 Apr
- 17 Apr
Ryanair
$ 79
direct
06 Apr
- 10 Apr
Ryanair
$ 86
direct
17 Apr
- 24 Apr
Ryanair
$ 88
direct
06 Apr
- 24 Apr
Ryanair
$ 90
direct
Also check the deals for one-way flights from London to Klagenfurt in April .
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.