Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $578 (FlightHub) |
Popular in | June |
Cheapest in | January |
Average price | $924 |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Th. 3 1/21
5:30 pm-6:00 pm
1 stop19h 30m
Porto
Th. 3 1/28
6:55 am-2:30 pm
1 stop12h 35m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Th. 5 5/8
10:05 pm-5:05 pm
1 stop14h 00m
Porto
Th. 2 5/12
12:00 pm-7:59 pm
1 stop12h 59m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Th. 2 2/3
2:00 pm-3:25 pm
1 stop20h 25m
Porto
Th. 2 2/10
4:25 pm-12:15 pm
1 stop24h 50m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
CN 1/19
8:18 am-7:20 pm
2 stops30h 02m
Porto
Th. 2 1/27
8:10 pm-3:13 pm
3 stops24h 03m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
CN 3/2
8:24 am-11:35 am
2 stops22h 11m
Porto
Th. 3 3/11
6:00 am-8:05 am
2 stops30h 05m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
CN 2/9
6:30 pm-10:55 am
1 stop11h 25m
Porto
Th. 3 2/25
6:00 am-3:45 pm
1 stop14h 45m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
CN 2/9
6:59 pm-3:25 pm
2 stops15h 26m
Porto
Th. 4 2/19
6:00 am-3:45 pm
1 stop14h 45m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Th. 2 2/10
5:50 pm-11:35 am
1 stop12h 45m
Porto
CN 2/23
6:00 am-3:50 pm
1 stop14h 50m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
CN 1/19
5:50 pm-11:35 am
1 stop12h 45m
Porto
Th. 2 1/27
1:45 pm-3:50 pm
2 stops31h 05m
Washington, D.C.Porto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
Th. 6 2/21
6:00 pm-8:00 pm
2 stops21h 00m
Porto
Th. 7 3/1
8:40 pm-7:45 pm
2 stops28h 05m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Expedia | Price Accuracy1 star | Trust Score*3 stars |
eDreams | Price Accuracy3 stars | Trust Score*3 stars |
AranGrant | Price Accuracy3 stars | Trust Score*2 stars |
FlightHub | Price Accuracy3 stars | Trust Score*3 stars |
Flightnetwork | Price Accuracy2 stars | Trust Score*3 stars |
Trip.com | Price Accuracy2 stars | Trust Score*3 stars |
FlightsMojo | Price Accuracy- | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Porto, you should look to book at least 16 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Porto (average of $523). Flying from Washington, D.C. Dulles Intl Airport to Porto in June is currently the most expensive (average of $1,081). 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.
It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Porto in the morning. Doing so could potentially save you 23% on the flight price compared to flying in the afternoon, which is usually more expensive.
In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.
If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).
Food
Entertainment
Overall
Comfort
Boarding
Crew
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Food
Entertainment
Overall
Comfort
Boarding
Crew
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Food
Entertainment
Overall
Comfort
Boarding
Crew
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Food
Entertainment
Overall
Comfort
Boarding
Crew
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Food
Entertainment
Overall
Comfort
Boarding
Crew
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Food
Entertainment
Overall
Comfort
Boarding
Crew
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Air France | Cheapest$422 | Average$740 | FlexibilityNo cancel fee | On-time77% |
Delta | Cheapest$424 | Average$777 | FlexibilityNo cancel fee | On-timeN/A |
KLM | Cheapest$429 | Average$569 | FlexibilityNo cancel fee | On-time75% |
TAP AIR PORTUGAL | Cheapest$458 | Average$757 | FlexibilityNo cancel fee | On-timeN/A |
Iberia | Cheapest$506 | Average$673 | FlexibilityNo cancel fee | On-time77% |
British Airways | Cheapest$533 | Average$701 | FlexibilityNo cancel fee | On-time70% |
United Airlines | Cheapest$538 | Average$1,083 | FlexibilityNo cancel fee | On-time69% |
Lufthansa | Cheapest$538 | Average$931 | FlexibilityNo cancel fee | On-time76% |
American Airlines | Cheapest$567 | Average$736 | FlexibilityNo cancel fee | On-time71% |