AirHint found the following cheapest return flights from Washington (IAD) to Keflavik (KEF)
in June 2025 (see full year ).
Return flights
11 Jun
- 18 Jun
Icelandair
508 €
direct
10 Jun
- 17 Jun
Icelandair
517 €
direct
12 Jun
- 19 Jun
Icelandair
518 €
direct
14 Jun
- 21 Jun
Icelandair
518 €
direct
19 Jun
- 26 Jun
Icelandair
518 €
direct
01 Jun
- 08 Jun
Icelandair
521 €
direct
08 Jun
- 15 Jun
Icelandair
522 €
direct
09 Jun
- 16 Jun
Icelandair
522 €
direct
17 Jun
- 24 Jun
Icelandair
522 €
direct
13 Jun
- 20 Jun
Icelandair
527 €
direct
25 Jun
- 02 Jul
Icelandair
528 €
direct
24 Jun
- 01 Jul
Icelandair
536 €
direct
26 Jun
- 03 Jul
Icelandair
537 €
direct
23 Jun
- 07 Jul
Icelandair
546 €
direct
27 Jun
- 04 Jul
Icelandair
546 €
direct
24 Jun
- 02 Jul
Icelandair
553 €
direct
13 Jun
- 12 Jul
Icelandair
566 €
direct
28 Jun
- 04 Jul
Icelandair
566 €
direct
29 Jun
- 04 Jul
Icelandair
566 €
direct
28 Jun
- 05 Jul
Icelandair
595 €
direct
Also check the deals for one-way flights from Washington to Keflavik 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.