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 9th, 2026
7 round-trip options
Returning
Fri, Aug 14, 2026•5 Day Trip
$725 USD
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Sat, Aug 15, 2026•6 Day Trip
$848 USD
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Sun, Aug 16, 2026•7 Day Trip
$739 USD
Returning
Tue, Aug 18, 2026•9 Day Trip
$691 USD
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Thu, Aug 20, 2026•11 Day Trip
$645 USD
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Fri, Aug 21, 2026•12 Day Trip
$695 USD
Returning
Sun, Aug 23, 2026•14 Day Trip
$625 USD