Cheap Flights from Washington to Porto
Cheap Flights from Washington to Porto
Looking for cheap flights from Washington to Porto? PointsYeah scans award availability across major airline and bank transfer programs in one place, so travelers can compare the lowest points and cash routes faster. Instead of searching each airline separately, users can see pricing from programs like Chase, Amex, Capital One, Citi, and Bilt side by side.
Award prices from Washington to Porto vary by season, cabin, and date, but available award flights can start around 12,000 points one way, with premium cabins available at higher mileage levels. The live search above allows filtering by cabin, airline, stops, or maximum points to find the best award flights from Washington to Porto for specific travel dates.
2026-11-07
IAD - OPO
Economy | 1 Stop | 9+ left
From 12,000 Pts + $180.6
2026-11-08
IAD - OPO
Economy | 1 Stop | 9+ left
From 12,000 Pts + $180.6
2026-11-09
IAD - OPO
Economy | 1 Stop | 9+ left
From 12,000 Pts + $180.6
2026-11-09
IAD - OPO
Economy | 1 Stop | 9+ left
From 12,000 Pts + $180.8
2026-11-11
IAD - OPO
Economy | 1 Stop | 9+ left
From 12,000 Pts + $180.8
2026-11-11
IAD - OPO
Economy | 1 Stop | 9+ left
From 12,000 Pts + $180.8
Washington to Porto flight facts
Distance
3,531 mi
5,683 km in a straight line
Estimated flight time
about 7h 30m
In the air, for the straight-line distance
Time difference
+5h
Porto is 5 hours ahead of Washington.
Airports in Washington
DCA · Ronald Reagan Washington National
IAD · Washington Dulles Intl
Airports in Porto
OPO · Francisco de Sá Carneiro
Nearby airport alternatives
Flights Baltimore - Porto · Baltimore is 36 mi from Washington
Flights Philadelphia - Porto · Philadelphia is 126 mi from Washington
Flights Norfolk - Porto · Norfolk is 150 mi from Washington
Flights Washington - Lisbon · Lisbon is 172 mi from Porto
Premium cabin flights from Washington to Porto
Premium cabin
2026-11-11
BWI - OPO
Business | 1 Stop
From 57,500 Pts + $763.4
Premium cabin
2026-11-07
DCA - OPO
Business | 2 Stops
From 57,500 Pts + $767.8
Premium cabin
2026-11-11
DCA - OPO
Business | 2 Stops | 8 left
From 88,000 Pts + $25.8
Premium cabin
2026-11-09
IAD - OPO
Business | 1 Stop | 2 left
From 88,000 Pts + $49.3
Premium cabin
2026-11-10
IAD - OPO
Business | 2 Stops | 2 left
From 88,000 Pts + $54
Premium cabin
2026-11-10
IAD - OPO
Business | 2 Stops | 4 left
From 88,000 Pts + $55.3
Selected hotels for your next stay
Aveiro (Portugal)
MS Collection Aveiro Palacete de Valdemouro(SLH)
From 60,000 Pts or $234
Porto (Portugal)
Renaissance Porto Lapa Hotel
From Pts or $104
Ponte de Lima (Portugal)
Carmo's Boutique Hotel(SLH)
From Pts or $402
Frequently Asked Questions
The cheapest route from Washington to Porto depends on award space, transfer bonuses, and travel dates. PointsYeah compares bank and airline programs in one place so you can find the best points and cash combinations faster.
Yes. Transferable points from Chase, Amex, Capital One, Citi, and Bilt can often be moved to airline partners for flights from Washington to Porto.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Washington to Porto.
Washington and Porto are about 3,531 miles (5,683 km) apart in a straight line.
Flying the 3,531-mile straight-line distance takes about 7h 30m in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
Porto is 5 hours ahead of Washington.
Departures from Washington: Ronald Reagan Washington National (DCA), Washington Dulles Intl (IAD). Arrivals in Porto: Francisco de Sá Carneiro (OPO).
Travelers searching this route also look at other popular routes into Porto, plus the return trip when we track it. Fares and award space change daily.
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