Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Sat 2/15
5:30 pm-11:00 am
1 stop12h 30m
Porto
Sun 2/23
6:00 pm-1:00 pm
1 stop24h 00m
Washington, D.C.Funchal
IAD - FNC
IADFNC
Washington, D.C. Dulles Intl
Wed 1/22
10:30 pm-5:10 pm
1 stop13h 40m
Funchal Madeira
Tue 1/28
4:20 am-9:00 pm
1 stop21h 40m
Washington, D.C.Faro
IAD - FAO
IADFAO
Washington, D.C. Dulles Intl
Tue 4/1
5:00 pm-12:45 pm
1 stop14h 45m
Faro
Mon 4/7
6:15 pm-3:20 pm
1 stop26h 05m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Mon 12/9
7:15 pm-7:20 pm
2 stops19h 05m
Porto
Mon 12/16
7:35 am-2:30 pm
2 stops35h 55m
Washington, D.C.Lisbon
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Sun 3/2
8:40 pm-11:35 am
1 stop9h 55m
Lisbon Humberto Delgado
Thu 3/6
5:55 pm-6:40 pm
1 stop29h 45m
Washington, D.C.Lisbon
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Thu 2/6
7:40 pm-8:20 pm
1 stop19h 40m
Lisbon Humberto Delgado
Mon 2/10
9:20 pm-6:25 pm
1 stop26h 05m
Washington, D.C.Lisbon
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Tue 1/14
10:35 am-9:30 pm
3 stops29h 55m
Lisbon Humberto Delgado
Mon 1/20
9:00 pm-3:13 pm
3 stops23h 13m
Washington, D.C.Lisbon
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Sun 2/2
10:30 pm-10:35 am
Nonstop7h 05m
Lisbon Humberto Delgado
Sun 2/16
5:15 pm-9:00 pm
Nonstop8h 45m
Washington, D.C.Faro
IAD - FAO
IADFAO
Washington, D.C. Dulles Intl
Fri 2/28
5:10 pm-11:20 am
1 stop13h 10m
Faro
Sat 3/8
12:10 pm-3:40 pm
1 stop32h 30m
Washington, D.C.Lisbon
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
Wed 3/5
9:25 pm-10:35 am
1 stop32h 10m
Lisbon Humberto Delgado
Mon 3/10
4:00 pm-8:30 pm
1 stop32h 30m
Currently, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Portugal (average of $589). Flying from Washington, D.C. Dulles Intl Airport to Portugal in June is currently the most expensive (average of $1,182). 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 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.
The most flights from IAD to PT0 are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).
In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.
If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
PLAY | Cheapest$296 | Average$380 | FlexibilityNo cancel fee | On-timeN/A |
Air France | Cheapest$421 | Average$767 | FlexibilityNo cancel fee | On-time77% |
Delta | Cheapest$421 | Average$831 | FlexibilityNo cancel fee | On-timeN/A |
KLM | Cheapest$428 | Average$676 | FlexibilityNo cancel fee | On-time75% |
Iberia | Cheapest$430 | Average$705 | FlexibilityNo cancel fee | On-time77% |
TAP AIR PORTUGAL | Cheapest$456 | Average$931 | FlexibilityNo cancel fee | On-timeN/A |
Royal Air Maroc | Cheapest$519 | Average$573 | FlexibilityNo cancel fee | On-time75% |
American Airlines | Cheapest$522 | Average$740 | FlexibilityNo cancel fee | On-time71% |
British Airways | Cheapest$533 | Average$720 | FlexibilityNo cancel fee | On-time70% |
United Airlines | Cheapest$538 | Average$982 | FlexibilityNo cancel fee | On-time69% |