Cheap Flights from Porto to Houston
Cheap Flights from Porto to Houston
Looking for cheap flights from Porto to Houston? 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 Porto to Houston vary by season, cabin, and date, but available award flights can start around 15,000–55,000 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 Porto to Houston for specific travel dates.
2026-11-24
OPO - IAH
Economy | 1 Stop | 9+ left
From 15,000 Pts + $240.7
2026-11-24
OPO - IAH
Premium Economy | 1 Stop | 9+ left
From 39,000 Pts + $381.5
2026-11-24
OPO - IAH
Economy | 2 Stops
From 40,000 Pts + $57.1
Porto to Houston 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
Houston is 6 hours behind Porto.
Airports in Porto
OPO · Francisco de Sá Carneiro
Airports in Houston
IAH · George Bush Intercontinental Houston
Nearby airport alternatives
Flights Lisbon - Houston · Lisbon is 172 mi from Porto
Premium cabin flights from Porto to Houston
Premium cabin
2026-11-24
OPO - IAH
Premium Economy | 1 Stop | 9+ left
From 39,000 Pts + $381.5
Premium cabin
2026-11-24
OPO - IAH
Premium Economy | 2 Stops | 9+ left
From 55,000 Pts + $96.9
Selected hotels for your next stay
Houston, TX (USA)
JW Marriott Houston Downtown
From Pts or $201
Houston, TX (USA)
The Westin Oaks Houston at the Galleria
From Pts or $189
Houston, TX (USA)
The Westin Galleria Houston
From Pts or $216
Frequently Asked Questions
The cheapest route from Porto to Houston 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 Porto to Houston.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Porto to Houston.
Porto and Houston 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.
Houston is 6 hours behind Porto.
Departures from Porto: Francisco de Sá Carneiro (OPO). Arrivals in Houston: George Bush Intercontinental Houston (IAH).
Travelers searching this route also look at other popular routes into Houston, plus the return trip when we track it. Fares and award space change daily.
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Our mission is to provide the simplest and best
points travel planning experience. Yeah!
