When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 42 days in advance, which can save you up to 30% on flights from Washington, D.C. Dulles Intl Airport to Portugal compared to booking the week you need them. Waiting 42 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $714. For sooner than that we have options available in the next 3 days from $1,003.
The best pricing can be found in the month of January. Prices to Portugal from Washington, D.C. Dulles Intl Airport average $869. You can even find prices in January for less than $869, as users have found deals to Portugal from as low as $476. The month of June appears to be one of the more expensive times to travel to Portugal from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 37%.
When flying from Washington, D.C. Dulles Intl Airport to Portugal, 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
$370 - $664
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
Mon 10/21
1 stop25h 10m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Sun 11/3
Nonstop7h 05m
Lisbon Humberto Delgado
Mon 11/11
Nonstop8h 45m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Sun 10/13
1 stop10h 00m
Lisbon Humberto Delgado
Thu 10/17
1 stop29h 40m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Sun 9/15
2 stops17h 45m
Lisbon Humberto Delgado
Sun 9/22
2 stops31h 35m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Wed 10/2
2 stops25h 05m
Lisbon Humberto Delgado
Tue 10/15
2 stops21h 40m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Wed 11/6
1 stop20h 10m
Lisbon Humberto Delgado
Mon 11/11
1 stop15h 50m
Washington, D.C. Dulles IntlFaro
IAD - FAO
IADFAO
Washington, D.C. Dulles Intl
Tue 7/23
1 stop15h 15m
Faro
Wed 8/21
2 stops27h 04m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Sun 11/10
Nonstop7h 20m
Lisbon Humberto Delgado
Wed 11/20
Nonstop8h 20m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Wed 9/4
1 stop31h 00m
Lisbon Humberto Delgado
Wed 9/25
1 stop32h 50m
No data available for this route at this time. Please check back soon.
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
0%of flight departures | Early morningMidnight to 6 am |
---|---|
0%of flight departures | Morning6 am to noon |
8%of flight departures | AfternoonNoon to 6 pm |
92%of flight departures | Evening6 pm to midnight |
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