Washington (IAD) to Oslo (OSL) flight deal in economy from $494
IADWashington Dulles International Airport
Washington, United States
OSLOslo Airport, Gardermoen
Oslo, Norway
$724 USD
-32%$494 USD
Verified about 9 hours agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
25% of dates checked are available within 10% of the lowest price
Tuesday, August 4th, 2026
7 round-trip options
Returning
Sun, Aug 9, 2026•5 Day Trip
$728 USD
Returning
Mon, Aug 10, 2026•6 Day Trip
$753 USD
Returning
Tue, Aug 11, 2026•7 Day Trip
$728 USD
Returning
Thu, Aug 13, 2026•9 Day Trip
$734 USD
Returning
Sat, Aug 15, 2026•11 Day Trip
$881 USD
Returning
Sun, Aug 16, 2026•12 Day Trip
$772 USD
Returning
Tue, Aug 18, 2026•14 Day Trip
$724 USD