Travelers have found it’s best to book a flight 60 days in advance to save up to 28% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 60 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portugal to Washington, D.C. Dulles Intl Airport 1-2 weeks in advance for as low as $683, or $792 for flights within the next 24 hours.
The best pricing can be found in the month of November. Prices to Washington, D.C. Dulles Intl Airport from Portugal average $720. You can even find prices in November for less than $720, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $407. The month of July appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from Portugal. Flying in the targeted month can save you up to 38%.
When flying from Portugal to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$407 - $545
Route
Depart
Return
Price
Lisbon Humberto DelgadoWashington, D.C. Dulles Intl
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Fri 10/18
1 stop25h 20m
Washington, D.C. Dulles Intl
Thu 10/31
1 stop21h 10m
Lisbon Humberto DelgadoWashington, D.C. Dulles Intl
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 9/5
1 stop17h 40m
Washington, D.C. Dulles Intl
Sun 9/15
1 stop14h 05m
Lisbon Humberto DelgadoWashington, D.C. Dulles Intl
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Tue 5/21
1 stop13h 20m
Washington, D.C. Dulles Intl
Tue 5/28
1 stop14h 10m
Lisbon Humberto DelgadoWashington, D.C. Dulles Intl
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 9/5
1 stop17h 40m
Washington, D.C. Dulles Intl
Sun 9/15
2 stops19h 35m
Lisbon Humberto DelgadoWashington, D.C. Dulles Intl
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 6/6
2 stops17h 20m
Washington, D.C. Dulles Intl
Thu 7/4
1 stop12h 30m
Lisbon Humberto DelgadoWashington, D.C. Dulles Intl
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Wed 6/19
1 stop12h 00m
Washington, D.C. Dulles Intl
Mon 7/1
1 stop12h 30m
PortoWashington, D.C. Dulles Intl
OPO - IAD
OPOIAD
Porto
Sun 6/16
1 stop24h 05m
Washington, D.C. Dulles Intl
Mon 8/5
1 stop23h 50m
Lisbon Humberto DelgadoWashington, D.C. Dulles Intl
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Fri 5/24
1 stop15h 10m
Washington, D.C. Dulles Intl
Sun 6/9
Nonstop7h 15m
Lisbon Humberto DelgadoWashington, D.C. Dulles Intl
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Tue 5/21
1 stop19h 45m
Washington, D.C. Dulles Intl
Tue 5/28
Nonstop7h 15m
No data available for this route at this time. Please check back soon.
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
1%of flight departures | Early morningMidnight to 6 am |
---|---|
88%of flight departures | Morning6 am to noon |
11%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
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