Cheap Flights from Houston to Porto
Cheap Flights from Houston to Porto
Looking for cheap flights from Houston 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 Houston to Porto vary by season, cabin, and date, but available award flights can start around 22,500–57,500 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 Houston to Porto for specific travel dates.
2026-12-12
IAH - OPO
Economy | 1 Stop
From 22,500 Pts + $249.4
2026-12-13
IAH - OPO
Economy | 2 Stops
From 40,000 Pts + $5.6
2026-12-13
IAH - OPO
Economy | 2 Stops | 5 left
From 40,000 Pts + $125
Houston to Porto flight facts
Distance
4,729 mi
7,610 km in a straight line
Estimated flight time
about 10h
In the air, for the straight-line distance
Time difference
+6h
Porto is 6 hours ahead of Houston.
Airports in Houston
IAH · George Bush Intercontinental Houston
Airports in Porto
OPO · Francisco de Sá Carneiro
Nearby airport alternatives
Flights Houston - Lisbon · Lisbon is 172 mi from Porto
Premium cabin flights from Houston to Porto
Premium cabin
2026-12-11
IAH - OPO
Business | 2 Stops
From 57,500 Pts + $773.5
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 Houston 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 Houston to Porto.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Houston to Porto.
Houston and Porto are about 4,729 miles (7,610 km) apart in a straight line.
Flying the 4,729-mile straight-line distance takes about 10h in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
Porto is 6 hours ahead of Houston.
Departures from Houston: George Bush Intercontinental Houston (IAH). 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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points travel planning experience. Yeah!
