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 agoSeptember 2026
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Fair Availability
25% of dates checked are available within 10% of the lowest price
Sunday, September 13th, 2026
8 round-trip options
Returning
Fri, Sep 18, 2026•5 Day Trip
$760 USD
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Sun, Sep 20, 2026•7 Day Trip
$687 USD
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Mon, Sep 21, 2026•8 Day Trip
$710 USD
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Tue, Sep 22, 2026•9 Day Trip
$687 USD
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Thu, Sep 24, 2026•11 Day Trip
$710 USD
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Fri, Sep 25, 2026•12 Day Trip
$950 USD
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Sat, Sep 26, 2026•13 Day Trip
$782 USD
Returning
Sun, Sep 27, 2026•14 Day Trip
$687 USD