Award flights from Porto (OPO) to Houston (IAH)
Search flights from Porto (OPO) to Houston (IAH)
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In the last 30 days AwardTool saw award space on 10 programs for OPO→IAH. Lowest economy: 15,000 points + $245.51 (Virgin Atlantic Flying Club). Lowest business class: 57,500 miles + $966.53 (American Airlines AAdvantage). Lowest first class: 200,000 miles + $57.19 (United MileagePlus).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Porto (OPO) to Houston (IAH) at a glance
- From
- Francisco de Sa Carneiro Airport, Porto, Portugal (OPO)
- To
- George Bush Intercontinental/Houston Airport, Houston, Texas, United States (IAH)
- Programs with award space seen
- 10 of 10 programs tracked on this route
- Nonstop award space seen
- Not seen in the last 30 days
- Airlines seen on these awards
- Eurowings Discover (4Y), American Airlines (AA), Air Canada (AC), Air France (AF), Alaska Airlines (AS), Royal Air Maroc (AT), JetBlue (B6), British Airways (BA), Delta Air Lines (DL), Eurowings (EW), IBERIA (IB), KLM (KL) and 7 more
- Departures with open awards
- Oct 2026 to May 2027
- Most dates with space
- 26 of 26 departure dates checked (United MileagePlus, economy)
- Latest departure with space
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to Houston (IAH)
Compare programs by cabin
The lowest one-way award each program showed in each cabin, sorted by points.
Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Virgin Atlantic Flying ClubLowest observed | 15,000 pts + $245.51 | 1 stop | Air France (AF), KLM (KL) | 1 | 13 | See dates | |
| Air France/KLM Flying Blue | 18,750 pts + $207.09 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 9+ | 21 | See dates | |
| American Airlines AAdvantage | 22,500 pts + $124.39 | 2 stops | American Airlines (AA), Alaska Airlines (AS), Royal Air Maroc (AT), British Airways (BA) | — | 16 | See dates | |
| Lufthansa Miles & More | 25,000 pts + $308.13 | 1 stop | Eurowings Discover (4Y), Lufthansa (LH), United Airlines (UA) | 9+ | 7 | See dates | |
| Delta SkyMiles | 36,000 pts + $303.42 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL) | 9+ | 19 | See dates | |
| United MileagePlus | 40,000 pts + $57.19 | 2 stops | Eurowings Discover (4Y), Air Canada (AC), JetBlue (B6), Eurowings (EW) +6 more | 9+ | 26 | See dates | |
| Air Canada Aeroplan | 40,000 pts + $127.30 | 1 stop | Lufthansa (LH), United Airlines (UA) | 9+ | 12 | See dates | |
| Avianca LifeMiles | 40,000 pts + $58.00 | 1 stop | Lufthansa (LH), United Airlines (UA) | 8 | 8 | See dates | |
| Qantas Frequent Flyer | 43,500 pts + $313.74 | 1 stop | Air France (AF), KLM (KL) | 1 | 13 | See dates | |
| GOL Smiles | 117,500 pts + taxes not reported | 2 stops | American Airlines (AA), Air France (AF), British Airways (BA), IBERIA (IB) +3 more | 2 | 17 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Virgin Atlantic Flying ClubLowest observed | 39,000 pts + $391.30 | 1 stop | Air France (AF) | 2 | 4 | See dates | |
| Air France/KLM Flying Blue | 40,000 pts + $303.39 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 9+ | 21 | See dates | |
| American Airlines AAdvantage | 40,000 pts + $546.73 | 1 stop | American Airlines (AA), Alaska Airlines (AS), British Airways (BA) | — | 13 | See dates | |
| Lufthansa Miles & More | 52,221 pts + $500.73 | 2 stops | Eurowings Discover (4Y), Lufthansa (LH), United Airlines (UA) | 9+ | 4 | See dates | |
| United MileagePlus | 55,000 pts + $67.99 | 1 stop | Eurowings (EW), Lufthansa (LH), SWISS (LX), TAP Portugal (TP) +2 more | 4 | 24 | See dates | |
| Delta SkyMiles | 92,000 pts + $74.29 | 2 stops | Delta Air Lines (DL), KLM (KL) | 9+ | 16 | See dates |
Not seen in premium economy: Air Canada Aeroplan, Avianca LifeMiles, GOL Smiles and Qantas Frequent Flyer.
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Lufthansa Miles & MoreLowest observed | 45,280 pts + $951.13 | 1 stop | Lufthansa (LH) | 9+ | 1 | See dates | |
| American Airlines AAdvantage | 57,500 pts + $966.53 | 1 stop | American Airlines (AA), Alaska Airlines (AS), British Airways (BA) | — | 17 | See dates | |
| Air France/KLM Flying Blue | 86,000 pts + $442.49 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 9+ | 21 | See dates | |
| United MileagePlus | 88,000 pts + $58.93Mixed cabin | 2 stops | Eurowings Discover (4Y), Air Canada (AC), Eurowings (EW), Lufthansa (LH) +4 more | 4 | 26 | See dates |
Not seen in business class: Air Canada Aeroplan, Avianca LifeMiles, Delta SkyMiles, GOL Smiles, Qantas Frequent Flyer and Virgin Atlantic Flying Club.
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| United MileagePlusLowest observed | 200,000 pts + $57.19 | 2 stops | United Airlines (UA) | 9+ | 11 | See dates | |
| Delta SkyMiles | 380,000 pts + $74.29 | 2 stops | Delta Air Lines (DL), KLM (KL) | 5 | 18 | See dates |
Not seen in first class: American Airlines AAdvantage, Air Canada Aeroplan, Avianca LifeMiles, GOL Smiles, Air France/KLM Flying Blue, Lufthansa Miles & More, Qantas Frequent Flyer and Virgin Atlantic Flying Club.
Not seen means AwardTool hasn't observed this cabin on this route in the last 30 days. It doesn't mean the airline has no seats. Dates seen counts departure dates with an open award in that cabin at any price; newest observation is the latest time AwardTool saw one of them. Seats is the count the program reported when we observed it; some programs report at most 9.
Observed award examples
| Departure | Cabin | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|---|
| Economy | Air France/KLM Flying Blue | 18,750 pts + $207.09 | 9+ | 1 stop | Check this date | ||
| Economy | Avianca LifeMiles | 40,000 pts + $58.00 | 8 | 1 stop | Check this date | ||
| Premium Economy | Air France/KLM Flying Blue | 40,000 pts + $303.39 | 9+ | 1 stop | Check this date | ||
| Premium Economy | Virgin Atlantic Flying Club | 49,000 pts + $393.87 | 1 | 1 stop | Check this date | ||
| Business | Lufthansa Miles & More | 45,280 pts + $951.13 | 9+ | 1 stop | Check this date | ||
| Business | American Airlines AAdvantage | 57,500 pts + $1,028.73 | — | 2 stops | Check this date | ||
| First | United MileagePlus | 301,600 pts + $57.19 | 6 | 2 stops | Check this date | ||
| First | Delta SkyMiles | 495,000 pts + $59.70 | 8 | 2 stops | Check this date |
Prices are one-way per traveler: the program's points or miles plus taxes and carrier fees in USD, as AwardTool observed them in the observation window. Award space changes constantly. A seat we saw may be gone, and space we haven't seen may exist. Always confirm with a live search before transferring points; most transfers can't be reversed.
Best months to fly from Porto (OPO) to Houston (IAH) on points
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 25,000 · Miles & More (2 dates) | 52,221 · Miles & More (2 dates) | 45,280 · Miles & More (1 date) | — | |
| 44,000 · MileagePlus (1 date) | — | 395,000 · MileagePlus (1 date) | 395,000 · MileagePlus (1 date) | |
| 18,750 · Flying Blue (1 date) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (1 date) | 301,600 · MileagePlus (1 date) | |
| 22,500 · AAdvantage (1 date) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (2 dates) | — | |
| 15,000 · Virgin Atlantic (3 dates) | 39,000 · Virgin Atlantic (2 dates) | 57,500 · AAdvantage (2 dates) | 200,000 · MileagePlus (4 dates) | |
| 28,000 · Flying Blue (3 dates) | 90,500 · Flying Blue (3 dates) | 144,000 · Flying Blue (3 dates) | 415,000 · SkyMiles (3 dates) | |
| 15,000 · Virgin Atlantic (9 dates) | 39,000 · Virgin Atlantic (1 date) | 57,500 · AAdvantage (11 dates) | 300,900 · MileagePlus (5 dates) |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Air Canada Aeroplan | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | — |
| Air France/KLM Flying Blue | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| Avianca LifeMiles | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | 1:1 · Instant | 1:1 · Instant |
| Delta SkyMiles | 1:1 · Instant | — | — | — | — | — |
| Qantas Frequent Flyer | 1:1 · Instant | — | 1:1 · ~1-2 days | — | 1:1 · Instant | — |
| United MileagePlus | — | 1:1 · Instant | — | 1:1 · Instant | — | — |
| Virgin Atlantic Flying Club | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant |
Check current transfer bonuses. Most transfers can't be reversed. No bank transfers to GOL Smiles and Lufthansa Miles & More.
Search, calendar and alerts from Porto (OPO) to Houston (IAH)
Route calendar
Every departure date with open award seats on OPO→IAH for United MileagePlus and the other programs: a limited window on the free plan and 365 days with Pro.
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Search Porto (OPO) to Houston (IAH)How many miles or points you need from Porto (OPO) to Houston (IAH)
- In economy, Virgin Atlantic Flying Club had the lowest observed award, 15,000 points + $245.51; see how many points you need with Virgin Atlantic Flying Club.
- In premium economy, Virgin Atlantic Flying Club had the lowest observed award, 39,000 points + $391.30; see how many points you need with Virgin Atlantic Flying Club.
- In business class, American Airlines AAdvantage had the lowest observed award, 57,500 miles + $966.53; see how many miles you need with American Airlines AAdvantage.
- In first class, United MileagePlus had the lowest observed award, 200,000 miles + $57.19; see how many miles you need with United MileagePlus.
Questions about award flights from Porto (OPO) to Houston (IAH)
What's the lowest Porto (OPO) to Houston (IAH) award price AwardTool has seen?
In economy, 15,000 points + $245.51 with Virgin Atlantic Flying Club. Virgin Atlantic Flying Club showed economy award space on 13 departure dates at any price (newest observation Oct 13, 2026, 16:14 UTC). In business class, 57,500 miles + $966.53 with American Airlines AAdvantage. Seen Sep 28, 2026, 20:38 UTC for a Dec 14, 2026 departure. American Airlines AAdvantage showed business-class award space on 17 departure dates at any price (newest observation Oct 19, 2026, 17:27 UTC). Search live before transferring points.
Which loyalty programs had award space from Porto (OPO) to Houston (IAH)?
10 programs in the last 30 days: American Airlines AAdvantage (economy 16 dates, premium economy 13 dates, business class 17 dates); Air Canada Aeroplan (economy 12 dates); Avianca LifeMiles (economy 8 dates); Delta SkyMiles (economy 19 dates, premium economy 16 dates, first class 18 dates); GOL Smiles (economy 17 dates); Air France/KLM Flying Blue (economy 21 dates, premium economy 21 dates, business class 21 dates); Lufthansa Miles & More (economy 7 dates, premium economy 4 dates, business class 1 date); Qantas Frequent Flyer (economy 13 dates) and 2 more. Dates count departure dates with an open award.
Is there nonstop award space from Porto (OPO) to Houston (IAH)?
AwardTool hasn't observed nonstop award space on this route in the last 30 days. The awards it saw connected with 1 to 2 stops on itineraries including Eurowings Discover, American Airlines, Air Canada and Air France. That doesn't mean nonstop space never appears.
Which credit card points can book awards from Porto (OPO) to Houston (IAH)?
American Express Membership Rewards: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Delta SkyMiles (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Virgin Atlantic Flying Club (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), United MileagePlus (1:1), Virgin Atlantic Flying Club (1:1). Capital One Miles: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Virgin Atlantic Flying Club (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1), Air France/KLM Flying Blue (1:1), United MileagePlus (1:1), Virgin Atlantic Flying Club (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Virgin Atlantic Flying Club (1:1). Wells Fargo Rewards: Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), Virgin Atlantic Flying Club (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.
Which months had the lowest award prices from Porto (OPO) to Houston (IAH)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers: in economy, the lowest award was for May 2027 departures, 15,000 points with Virgin Atlantic (9 dates); in business class, the lowest award was for May 2027 departures, 57,500 miles with AAdvantage (11 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.