Business-class award flights from Houston (IAH) to Porto (OPO)
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In the last 30 days AwardTool saw business-class award space on 7 programs for IAH→OPO. Lowest: 57,500 miles + $763.10 with American Airlines AAdvantage, which showed business-class award space on 18 dates. No nonstop business-class award was seen in the last 30 days.
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest observed
- 57,500 miles + $763.10
- American Airlines AAdvantage
- Programs with space
- 7 of 10
- programs seen on this route
- Most dates seen
- 30 of 30
- dates checked · United MileagePlus
- Nonstop
- Not seen
- in the last 30 days
Compare programs for business class
The lowest one-way business-class award each program showed on IAH→OPO, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 57,500 pts + $763.10 | 1 stop | American Airlines (AA), Royal Air Maroc (AT), British Airways (BA) | — | 18 | See dates | |
| United MileagePlus | 88,000 pts + $28.20Mixed cabin | 2 stops | JetBlue (B6), Lufthansa (LH), SWISS (LX), Brussels Airlines (SN) +3 more | 2 | 30 | See dates | |
| Lufthansa Miles & More | 98,022 pts + $1,548.40 | 1 stop | Lufthansa (LH) | 4 | 6 | See dates | |
| Qantas Frequent Flyer | 108,000 pts + $1,483.60 | 1 stop | British Airways (BA), KLM (KL) | 2 | 6 | See dates | |
| Delta SkyMiles | 125,000 pts + $35.20Mixed cabin | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 2 | 17 | See dates | |
| Air France/KLM Flying Blue | 145,000 pts + $361.70 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 6 | 25 | See dates | |
| Air Canada Aeroplan | 294,502 pts + $59.61Mixed cabin | 2 stops | Air Canada (AC) | 8 | 4 | See dates |
Not seen in business class: Avianca LifeMiles, GOL Smiles 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 business-class award examples
| Departure | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 57,500 pts + $773.20 | — | 2 stops | Check this date | ||
| American Airlines AAdvantage | 57,500 pts + $773.20 | — | 2 stops | Check this date | ||
| United MileagePlus | 88,000 pts + $50.40Mixed cabin | 4 | 1 stop | Check this date | ||
| Lufthansa Miles & More | 99,475 pts + $1,547.80 | 9+ | 1 stop | Check this date | ||
| Air France/KLM Flying Blue | 152,000 pts + $365.70 | 6 | 1 stop | Check this date | ||
| Air France/KLM Flying Blue | 195,500 pts + $368.30 | 1 | 2 stops | Check this date | ||
| United MileagePlus | 200,000 pts + $5.60 | 9+ | 1 stop | 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.
How often business-class award space showed up
Departure dates in the next 365 days that AwardTool checked for each program in the last 30 days, how many had business-class award space at any price, and the latest departure with space.
| Program | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| American Airlines AAdvantage | 18 of 35 | 51% | |
| United MileagePlus | 30 of 30 | 100% | |
| Lufthansa Miles & More | 6 of 18 | 33% | |
| Qantas Frequent Flyer | 6 of 29 | 20% | |
| Delta SkyMiles | 17 of 28 | 60% | |
| Air France/KLM Flying Blue | 25 of 25 | 100% | |
| Air Canada Aeroplan | 4 of 25 | 16% |
Best months for business class from Houston (IAH) to Porto (OPO)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 88,000 pts + taxes varyMixed cabin | United MileagePlus | 3 | |
| 57,500 pts + taxes vary | American Airlines AAdvantage | 2 | |
| 88,000 pts + taxes varyMixed cabin | United MileagePlus | 5 | |
| 57,500 pts + taxes vary | American Airlines AAdvantage | 4 | |
| 57,500 pts + taxes vary | American Airlines AAdvantage | 4 | |
| 57,500 pts + taxes vary | American Airlines AAdvantage | 5 | |
| 57,500 pts + taxes vary | American Airlines AAdvantage | 3 |
Lowest business class award by month and program
Each program's lowest one-way business-class award by departure month, in its own points or miles; taxes vary. — means the program showed no business-class space that month.
| Program | |||||||
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantagemiles | — | 57,500 | — | 57,500 | 57,500 | 57,500 | 57,500 |
| United MileagePlusmiles | 88,000Mixed cabin | 275,400 | 88,000Mixed cabin | 200,000 | 200,000 | 376,700 | 200,000 |
| Lufthansa Miles & Moremiles | 99,475 | — | 98,022 | 98,748 | — | — | — |
| Qantas Frequent Flyerpoints | — | — | — | — | 108,000 | 108,000 | 108,000 |
| Delta SkyMilesmiles | — | — | 125,000Mixed cabin | 499,900 | 395,500 | 485,500 | — |
| Air France/KLM Flying Bluemiles | 152,000 | — | 150,000 | 149,500 | 148,500 | 145,000 | 276,500 |
| Air Canada Aeroplanpoints | — | — | — | — | — | — | 294,502Mixed cabin |
Airlines seen in business class
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- American Airlines (AA): American Airlines AAdvantage
- Air Canada (AC): Air Canada Aeroplan
- Air France (AF): Delta SkyMiles and Air France/KLM Flying Blue
- Royal Air Maroc (AT): American Airlines AAdvantage
- JetBlue (B6): United MileagePlus
- British Airways (BA): American Airlines AAdvantage and Qantas Frequent Flyer
- Delta Air Lines (DL): Delta SkyMiles and Air France/KLM Flying Blue
- KLM (KL): Qantas Frequent Flyer, Delta SkyMiles and Air France/KLM Flying Blue
- Lufthansa (LH): United MileagePlus and Lufthansa Miles & More
- SWISS (LX): United MileagePlus
- Brussels Airlines (SN): United MileagePlus
- TAP Portugal (TP): United MileagePlus
- United Airlines (UA): United MileagePlus
- Air Europa (UX): Air France/KLM Flying Blue
- Lufthansa City Airlines (VL): United MileagePlus
Business class on nearby routes
The lowest business-class award AwardTool observed on related routes, as each route's page shows it: the return direction, other airports in the same cities, and more routes from Houston (IAH) and to Porto (OPO). One way, in the program's points or miles; taxes are on each route's page.
| Route | Lowest observed | Program | Dates seen |
|---|---|---|---|
| Porto (OPO) to Houston (IAH)Return direction | 57,500 miles | American Airlines AAdvantage | 17 |
| Houston (IAH) to Paris Charles de Gaulle (CDG)Also from IAH | 55,000 points | Alaska Atmos Rewards | 121 |
| Houston (IAH) to London Heathrow (LHR)Also from IAH | 55,000 pointsNonstop | Alaska Atmos Rewards | 167 |
| Houston (IAH) to Amsterdam (AMS)Also from IAH | 55,000 points | Alaska Atmos Rewards | 118 |
| Houston (IAH) to Tokyo Narita (NRT)Also from IAH | 95,833 miles | Air France/KLM Flying Blue | 227 |
| London Heathrow (LHR) to Porto (OPO)Also to OPO | 15,000 points | Alaska Atmos Rewards | 63 |
| Newark (EWR) to Porto (OPO)Also to OPO | 57,500 miles | American Airlines AAdvantage | 207 |
| São Paulo Guarulhos (GRU) to Porto (OPO)Also to OPO | 85,000 miles | Air France/KLM Flying Blue | 118 |
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 | — |
| 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 | — | — |
Check current transfer bonuses. Most transfers can't be reversed. No bank transfers to Lufthansa Miles & More.
Questions about business-class award flights from Houston (IAH) to Porto (OPO)
What's the lowest business-class award from Houston (IAH) to Porto (OPO)?
57,500 miles + $763.10 with American Airlines AAdvantage. Seen Sep 28, 2026, 20:37 UTC for a Dec 14, 2026 departure. American Airlines AAdvantage showed business-class award space on 18 departure dates at any price (newest observation Oct 14, 2026, 21:32 UTC). Search live before transferring points.
Which programs had business-class award space from Houston (IAH) to Porto (OPO)?
American Airlines AAdvantage (18 dates), United MileagePlus (30 dates), Lufthansa Miles & More (6 dates), Qantas Frequent Flyer (6 dates), Delta SkyMiles (17 dates), Air France/KLM Flying Blue (25 dates) and Air Canada Aeroplan (4 dates), in the last 30 days.
Is there nonstop business-class award space from Houston (IAH) to Porto (OPO)?
AwardTool hasn't observed nonstop business-class award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which months had the lowest business-class award prices from Houston (IAH) to Porto (OPO)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers, the lowest business-class award AwardTool observed was for Mar 2027 departures: 57,500 miles with AAdvantage (4 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.