Oslo (OSL) to Washington (IAD) flight deal in economy from $427
OSLOslo Airport, Gardermoen
Oslo, Norway
IADWashington Dulles International Airport
Washington, United States
$755 USD
-43%$427 USD
Verified about 6 hours agoSeptember 2026
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Limited Availability
18% of dates checked are available within 10% of the lowest price
Monday, September 7th, 2026
5 round-trip options
Returning
Thu, Sep 17, 2026•10 Day Trip
$1,918 USD
Returning
Fri, Sep 18, 2026•11 Day Trip
$3,555 USD
Returning
Sat, Sep 19, 2026•12 Day Trip
$1,819 USD
Returning
Sun, Sep 20, 2026•13 Day Trip
$2,214 USD
Returning
Mon, Sep 21, 2026•14 Day Trip
$1,741 USD