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 11 hours agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
25% of dates checked are available within 10% of the lowest price
Saturday, August 22nd, 2026
7 round-trip options
Returning
Thu, Aug 27, 2026•5 Day Trip
$620 USD
Returning
Fri, Aug 28, 2026•6 Day Trip
$670 USD
Returning
Sat, Aug 29, 2026•7 Day Trip
$670 USD
Returning
Mon, Aug 31, 2026•9 Day Trip
$690 USD
Returning
Wed, Sep 2, 2026•11 Day Trip
$620 USD
Returning
Thu, Sep 3, 2026•12 Day Trip
$620 USD
Returning
Sat, Sep 5, 2026•14 Day Trip
$670 USD