AirHint found the following cheapest return flights from Houston (IAH) to London (LGW)
in April 2025 (see full year ).
Return flights
29 Apr
- 14 May
Spirit Airlines
$ 466
30 Apr
- 14 May
Spirit Airlines
$ 483
29 Apr
- 06 May
Spirit Airlines
$ 487
29 Apr
- 13 May
Spirit Airlines
$ 511
29 Apr
- 04 May
Spirit Airlines
$ 522
30 Apr
- 11 May
Spirit Airlines
$ 535
16 Apr
- 28 Apr
Spirit Airlines
$ 561
09 Apr
- 21 Apr
Frontier Airlines
$ 562
22 Apr
- 08 May
Spirit Airlines
$ 568
16 Apr
- 30 Apr
Spirit Airlines
$ 573
08 Apr
- 21 Apr
Spirit Airlines
$ 581
26 Apr
- 28 Apr
Spirit Airlines
$ 584
09 Apr
- 23 Apr
Frontier Airlines
$ 586
14 Apr
- 21 Apr
Spirit Airlines
$ 589
12 Apr
- 18 Apr
Spirit Airlines
$ 592
26 Apr
- 04 May
Spirit Airlines
$ 599
13 Apr
- 21 Apr
Spirit Airlines
$ 601
16 Apr
- 21 Apr
Spirit Airlines
$ 602
27 Apr
- 13 May
Frontier Airlines
$ 611
25 Apr
- 04 May
Spirit Airlines
$ 623
Also check the deals for one-way flights from Houston to London 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.