Fly from
Fly to
Route
Depart
Return
Price
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Mon 1/13
5:30 pm-7:45 pm
1 stop31h 15m
Washington, D.C. Dulles Intl
Sun 1/26
6:00 pm-8:00 pm
2 stops21h 00m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Fri 1/17
5:15 pm-9:00 pm
Nonstop8h 45m
Washington, D.C. Dulles Intl
Thu 1/30
5:30 pm-5:35 am
Nonstop7h 05m
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Mon 12/16
6:00 am-8:20 pm
1 stop19h 20m
Washington, D.C. Dulles Intl
Mon 12/30
5:50 pm-11:35 am
1 stop12h 45m
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Mon 1/13
12:25 pm-3:35 pm
2 stops56h 10m
Washington, D.C. Dulles Intl
Sun 1/26
6:00 pm-8:00 pm
2 stops21h 00m
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Mon 12/16
6:00 am-7:29 am
2 stops30h 29m
Washington, D.C. Dulles Intl
Mon 12/30
5:50 pm-11:35 am
1 stop12h 45m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Tue 12/24
5:00 am-3:50 pm
1 stop15h 50m
Washington, D.C. Dulles Intl
Sat 1/4
10:05 pm-10:00 am
Nonstop6h 55m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Wed 12/4
12:15 pm-10:23 am
2 stops27h 08m
Washington, D.C. Reagan-National
Mon 12/9
5:25 pm-8:10 am
1 stop9h 45m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Tue 12/3
5:00 am-3:45 pm
1 stop15h 45m
Washington, D.C. Dulles Intl
Thu 1/16
6:30 pm-11:20 am
1 stop11h 50m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Wed 12/4
5:00 am-5:37 pm
2 stops17h 37m
Washington, D.C. Reagan-National
Mon 12/9
3:20 pm-9:00 am
1 stop12h 40m
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Mon 1/13
12:00 pm-4:25 pm
1 stop33h 25m
Washington, D.C. Dulles Intl
Mon 5/5
5:35 pm-7:55 am
1 stop33h 20m
Currently, September is the cheapest month in which you can book a flight from Portugal to District of Columbia (average of $300). Flying from Portugal to District of Columbia in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Portugal to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The most flights from PT0 to USDC are scheduled on a Monday (5 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).
In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.
If weather is an important factor for your trip to District of Columbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
Boarding
Comfort
Entertainment
Food
Overall
Crew
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Boarding
Comfort
Entertainment
Food
Overall
Crew
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Boarding
Comfort
Entertainment
Food
Overall
Crew
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Boarding
Comfort
Entertainment
Food
Overall
Crew
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Boarding
Comfort
Entertainment
Food
Overall
Crew
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
TAP AIR PORTUGAL | Cheapest$501 | Average$761 | FlexibilityNo cancel fee | On-timeN/A |
Lufthansa | Cheapest$536 | Average$779 | FlexibilityNo cancel fee | On-time76% |
United Airlines | Cheapest$549 | Average$721 | FlexibilityNo cancel fee | On-time69% |