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. 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.
Flights from Washington, D.C. to Portugal lean towards being more expensive in June. Prices are generally better when you fly from Washington, D.C. to Portugal in January, with the cheapest ticket starting at $476.
When flying from Washington, D.C. 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
$359 - $611
Route
Depart
Return
Price
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Sun 11/3
1 stop21h 10m
Lisbon Humberto Delgado
Mon 11/11
1 stop24h 40m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Mon 10/14
Nonstop7h 30m
Lisbon Humberto Delgado
Tue 10/22
Nonstop8h 20m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Wed 10/16
1 stop10h 00m
Lisbon Humberto Delgado
Thu 10/31
1 stop29h 35m
Baltimore/WashingtonPorto
BWI - OPO
BWIOPO
Baltimore/Washington
Mon 7/22
2 stops16h 56m
Porto
Wed 9/11
2 stops18h 31m
Washington, D.C. Reagan-NationalPorto
DCA - OPO
DCAOPO
Washington, D.C. Reagan-National
Mon 7/22
2 stops15h 10m
Porto
Wed 9/11
2 stops15h 48m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Mon 10/7
2 stops23h 45m
Lisbon Humberto Delgado
Mon 10/14
1 stop32h 15m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Thu 11/7
2 stops20h 40m
Lisbon Humberto Delgado
Tue 11/12
2 stops24h 00m
Washington, D.C. Dulles IntlPorto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Tue 7/30
1 stop15h 30m
Porto
Thu 10/17
1 stop16h 00m
Washington, D.C. Reagan-NationalPorto
DCA - OPO
DCAOPO
Washington, D.C. Reagan-National
Mon 7/22
2 stops17h 25m
Porto
Thu 10/17
2 stops15h 59m
No data available for this route at this time. Please check back soon.
Overall
Food
Boarding
Comfort
Crew
Entertainment
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.
Overall
Food
Boarding
Comfort
Crew
Entertainment
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.
Overall
Food
Boarding
Comfort
Crew
Entertainment
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.
Overall
Food
Boarding
Comfort
Crew
Entertainment
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.
Overall
Food
Boarding
Comfort
Crew
Entertainment
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.
Overall
Food
Boarding
Comfort
Crew
Entertainment
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.
1%of flight departures | Early morningMidnight to 6 am |
---|---|
0%of flight departures | Morning6 am to noon |
5%of flight departures | AfternoonNoon to 6 pm |
94%of flight departures | Evening6 pm to midnight |
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