Cheapest return flights from Washington (IAD) to Keflavik (KEF)

Cheapest month: October 2026, from $ 452. Book in one tap, or open a month for every date.

All destinations from Washington (IAD)

One-wayReturn

  • October 2026

    27 Oct – 4 Nov 8 nights
    $ 452 return Cheapest month
    Direct Icelandair
    Price seen 10 Oct
    October dates

  • January 2027

    9 Jan – 20 Mar 2027 70 nights
    $ 587 return
    Direct Icelandair
    Price seen 9 Oct
    January dates

  • April 2027

    24 Apr – 1 May 2027 7 nights
    $ 570 return
    Direct Icelandair
    Price seen 10 Oct
    April dates
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Updated Oct 10, 2026.

About these fares

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