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
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Fair Availability
25% of dates checked are available within 10% of the lowest price
Sunday, August 16th, 2026
7 round-trip options
Returning
Fri, Aug 21, 2026•5 Day Trip
$690 USD
Returning
Sat, Aug 22, 2026•6 Day Trip
$734 USD
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Sun, Aug 23, 2026•7 Day Trip
$620 USD
Returning
Tue, Aug 25, 2026•9 Day Trip
$649 USD
Returning
Thu, Aug 27, 2026•11 Day Trip
$640 USD
Returning
Fri, Aug 28, 2026•12 Day Trip
$690 USD
Returning
Sun, Aug 30, 2026•14 Day Trip
$687 USD