To save up to 18% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Maryland to Portugal from $648 1-2 weeks out and tickets from $1,068 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Portugal. Flights to Portugal from Maryland in February are about $828 on average during February, but can be found for as low as $352.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maryland to Portugal as you normally would.
Fly from
Fly to
Budget
$377 - $596
Route
Depart
Return
Price
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Sun 10/13
1 stop20h 30m
Lisbon Humberto Delgado
Fri 10/18
1 stop25h 20m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Wed 10/16
1 stop10h 15m
Lisbon Humberto Delgado
Thu 10/31
1 stop29h 35m
Washington, D.C. Dulles IntlPorto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Mon 4/29
1 stop16h 05m
Porto
Wed 5/8
1 stop33h 10m
Washington, D.C. Dulles IntlPorto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Thu 5/2
1 stop16h 45m
Porto
Fri 5/10
1 stop25h 55m
Washington, D.C. Dulles IntlPorto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Thu 5/2
1 stop23h 50m
Porto
Mon 5/6
1 stop15h 35m
Washington, D.C. Reagan-NationalPorto
DCA - OPO
DCAOPO
Washington, D.C. Reagan-National
Mon 4/29
2 stops19h 15m
Porto
Fri 5/10
2 stops16h 12m
Washington, D.C. Dulles IntlPorto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Wed 5/1
1 stop15h 00m
Porto
Tue 5/7
1 stop13h 20m
Washington, D.C. Dulles IntlPorto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Tue 5/14
1 stop10h 00m
Porto
Wed 5/22
2 stops24h 00m
Washington, D.C. Dulles IntlPorto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Thu 5/2
1 stop16h 45m
Porto
Mon 5/13
1 stop13h 07m
No data available for this route at this time. Please check back soon.
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
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