Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $486 (Expedia) |
One-way from | $353 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $581 |
Good round-trip deal | $604 or less |
Good one-way deal | $568 or less |
Fly from
Fly to
Route
Depart
Return
Price
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 3/6
10:50 am-7:15 pm
1 stop13h 25m
Washington, D.C. Dulles Intl
Sat 3/29
9:45 pm-9:35 pm
1 stop18h 50m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 4/17
8:25 am-3:00 pm
1 stop11h 35m
Washington, D.C. Dulles Intl
Mon 4/28
7:25 pm-12:45 pm
1 stop12h 20m
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Sun 4/13
8:15 am-3:00 pm
1 stop11h 45m
Washington, D.C. Dulles Intl
Sun 4/27
10:40 pm-8:25 pm
1 stop16h 45m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 3/6
6:30 am-7:45 pm
2 stops18h 15m
Washington, D.C. Dulles Intl
Sat 3/29
10:45 pm-11:10 pm
1 stop19h 25m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Fri 3/7
10:45 am-7:45 pm
1 stop14h 00m
Washington, D.C. Dulles Intl
Sun 3/23
7:00 pm-12:10 pm
1 stop13h 10m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Wed 3/5
5:00 am-3:45 pm
1 stop15h 45m
Washington, D.C. Dulles Intl
Mon 3/10
10:30 pm-3:10 pm
1 stop12h 40m
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Sat 4/12
8:35 pm-3:00 pm
1 stop23h 25m
Washington, D.C. Dulles Intl
Sat 4/19
4:35 pm-7:35 am
1 stop10h 00m
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Mon 3/31
11:05 am-7:25 pm
1 stop13h 20m
Washington, D.C. Dulles Intl
Thu 5/15
10:20 pm-11:20 pm
1 stop20h 00m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Fri 3/14
5:00 am-4:50 pm
1 stop15h 50m
Washington, D.C. Dulles Intl
Sun 3/30
10:15 pm-10:30 am
Nonstop7h 15m
PortoWashington, D.C.
OPO - IAD
OPOIAD
Porto
Wed 5/28
6:00 am-3:15 pm
1 stop14h 15m
Washington, D.C. Dulles Intl
Sat 12/13
3:00 pm-3:15 pm
2 stops19h 15m
Currently, August is the cheapest month in which you can book a flight from Portugal to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Portugal to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 18% versus a flight at noon.
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.
If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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).
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$480 | Average$777 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$536 | Average$779 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$543 | Average$726 | FlexibilityNo cancel fee | On-time69% |