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 5 hours agoSeptember 2026
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Limited Availability
18% of dates checked are available within 10% of the lowest price
Tuesday, September 29th, 2026
3 round-trip options
Returning
Sun, Oct 4, 2026•5 Day Trip
$943 USD
Returning
Mon, Oct 5, 2026•6 Day Trip
$1,035 USD
Returning
Thu, Oct 8, 2026•9 Day Trip
$1,126 USD