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
Friday, August 28th, 2026
7 round-trip options
Returning
Wed, Sep 2, 2026•5 Day Trip
$684 USD
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Thu, Sep 3, 2026•6 Day Trip
$684 USD
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Fri, Sep 4, 2026•7 Day Trip
$734 USD
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Sun, Sep 6, 2026•9 Day Trip
$764 USD
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Tue, Sep 8, 2026•11 Day Trip
$697 USD
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Wed, Sep 9, 2026•12 Day Trip
$754 USD
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Fri, Sep 11, 2026•14 Day Trip
$804 USD