LISPortela Airport
Lisbon, Portugal
IADWashington Dulles International Airport
Washington, United States
$7,334 USD
-49%$3,767 USD
Verified Sep 21, 2025 at 1:30 PMOctober 2025
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Good Availability
46% of dates checked are available within 10% of the lowest price
Saturday, October 4th, 2025
9 round-trip options
Returning
Thu, Oct 9, 2025•5 Day Trip
$3,927 USD
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Fri, Oct 10, 2025•6 Day Trip
$3,927 USD
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Sat, Oct 11, 2025•7 Day Trip
$3,869 USD
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Sun, Oct 12, 2025•8 Day Trip
$3,869 USD
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Mon, Oct 13, 2025•9 Day Trip
$9,478 USD
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Tue, Oct 14, 2025•10 Day Trip
$9,478 USD
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Wed, Oct 15, 2025•11 Day Trip
$15,270 USD
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Thu, Oct 16, 2025•12 Day Trip
$11,611 USD
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Sat, Oct 18, 2025•14 Day Trip
$15,228 USD