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 6 hours agoSeptember 2026
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Limited Availability
18% of dates checked are available within 10% of the lowest price
Thursday, September 24th, 2026
10 round-trip options
Returning
Tue, Sep 29, 2026•5 Day Trip
$730 USD
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Wed, Sep 30, 2026•6 Day Trip
$703 USD
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Thu, Oct 1, 2026•7 Day Trip
$703 USD
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Fri, Oct 2, 2026•8 Day Trip
$735 USD
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Sat, Oct 3, 2026•9 Day Trip
$805 USD
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Sun, Oct 4, 2026•10 Day Trip
$656 USD
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Mon, Oct 5, 2026•11 Day Trip
$656 USD
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Tue, Oct 6, 2026•12 Day Trip
$684 USD
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Wed, Oct 7, 2026•13 Day Trip
$656 USD
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Thu, Oct 8, 2026•14 Day Trip
$656 USD