AirHint found the following cheapest return flights from Washington (IAD) to Lisbon (LIS)
in June 2025 (see full year ).
Return flights
05 Jun
- 09 Jun
Porter Airlines (Canada) Ltd
$ 647
08 Jun
- 19 Jun
Icelandair
$ 694
09 Jun
- 20 Jun
Air Canada
$ 698
03 Jun
- 10 Jun
Aer Lingus
$ 723
10 Jun
- 20 Jun
Icelandair
$ 727
30 Jun
- 31 Jul
Icelandair
$ 747
21 Jun
- 29 Jun
Royal Air Maroc
$ 754
04 Jun
- 09 Jun
Icelandair
$ 757
03 Jun
- 16 Jun
Air Canada
$ 764
21 Jun
- 03 Jul
Royal Air Maroc
$ 765
21 Jun
- 27 Jun
Frontier Airlines
$ 774
05 Jun
- 10 Jun
Aer Lingus
$ 793
30 Jun
- 13 Jul
Icelandair
$ 860
23 Jun
- 24 Jul
SWISS
$ 887
05 Jun
- 02 Jul
Porter Airlines (Canada) Ltd
$ 889
27 Jun
- 13 Jul
SWISS
$ 922
26 Jun
- 09 Jul
Royal Air Maroc
$ 964
27 Jun
- 12 Jul
Royal Air Maroc
$ 1040
23 Jun
- 02 Jul
Frontier Airlines
$ 1045
05 Jun
- 02 Jul
TAP
$ 1051
direct
Also check the deals for one-way flights from Washington to Lisbon in June .
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.