Economy award flights from Houston (IAH) to Porto (OPO)
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In the last 30 days AwardTool saw economy award space on 11 programs for IAH→OPO. Lowest: 9,500 miles with GOL Smiles, which showed economy award space on 11 dates. Nonstop economy space was seen via Lufthansa Miles & More.
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest observed
- 9,500 miles + taxes not reported
- GOL Smiles
- Programs with space
- 11 of 11
- programs seen on this route
- Most dates seen
- 30 of 30
- dates checked · United MileagePlus
- Nonstop
- Seen
- from 4,409 miles + taxes vary
Compare programs for economy
The lowest one-way economy award each program showed on IAH→OPO, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Lufthansa Miles & MoreLowest observed | 4,409 pts + $337.40 | 1 stopNonstop from 4,409 pts | Lufthansa (LH), Turkish Airlines (TK), United Airlines (UA) | 9+ | 15 | See dates | |
| GOL Smiles | 9,500 pts + taxes not reported | 1 stop | American Airlines (AA), Air Canada (AC), Air France (AF), IBERIA (IB) +2 more | 2 | 11 | See dates | |
| Virgin Atlantic Flying Club | 15,000 pts + $179.80 | 1 stop | Air France (AF), KLM (KL) | 2 | 7 | See dates | |
| Air France/KLM Flying Blue | 18,750 pts + $152.60 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 9+ | 25 | See dates | |
| American Airlines AAdvantage | 22,500 pts + $35.20 | 2 stops | American Airlines (AA), Royal Air Maroc (AT), British Airways (BA) | — | 17 | See dates | |
| Qantas Frequent Flyer | 29,000 pts + $349.00 | 1 stop | American Airlines (AA), Air France (AF), British Airways (BA), KLM (KL) | 2 | 11 | See dates | |
| Delta SkyMiles | 35,000 pts + $35.20 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 6 | 24 | See dates | |
| United MileagePlus | 40,000 pts + $5.60 | 1 stop | Air Canada (AC), JetBlue (B6), Air Dolomiti (EN), Lufthansa (LH) +7 more | 9+ | 30 | See dates | |
| Air Canada Aeroplan | 40,000 pts + $75.71 | 1 stop | Air Canada (AC), Lufthansa (LH), Turkish Airlines (TK), United Airlines (UA) | 9+ | 15 | See dates | |
| Avianca LifeMiles | 40,000 pts + $58.00 | 2 stops | Lufthansa (LH), United Airlines (UA) | 9+ | 9 | See dates | |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | 1 stop | Turkish Airlines (TK) | 2 | 26 | See dates |
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 economy award examples
| Departure | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Lufthansa Miles & More | 4,409 pts + $336.80 | 9+ | 1 stop | Check this date | ||
| Lufthansa Miles & More | 13,230 pts + $336.80 | 9+ | Nonstop | Check this date | ||
| Virgin Atlantic Flying Club | 15,000 pts + $191.10 | 1 | 1 stop | Check this date | ||
| Air France/KLM Flying Blue | 18,750 pts + $164.00 | 9+ | 1 stop | Check this date | ||
| American Airlines AAdvantage | 22,500 pts + $35.20 | — | 2 stops | Check this date | ||
| Air Canada Aeroplan | 40,000 pts + $75.71 | 9+ | 1 stop | Check this date | ||
| United MileagePlus | 40,000 pts + $5.60 | 9+ | 1 stop | Check this date | ||
| Avianca LifeMiles | 40,000 pts + $73.80 | 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 economy 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 economy award space at any price, and the latest departure with space.
| Program | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| Lufthansa Miles & More | 15 of 18 | 83% | |
| GOL Smiles | 11 of 11 | 100% | |
| Virgin Atlantic Flying Club | 7 of 28 | 25% | |
| Air France/KLM Flying Blue | 25 of 25 | 100% | |
| American Airlines AAdvantage | 17 of 35 | 48% | |
| Qantas Frequent Flyer | 11 of 29 | 37% | |
| Delta SkyMiles | 24 of 28 | 85% | |
| United MileagePlus | 30 of 30 | 100% | |
| Air Canada Aeroplan | 15 of 25 | 60% | |
| Avianca LifeMiles | 9 of 28 | 32% | |
| Turkish Miles & Smiles | 26 of 26 | 100% |
Nonstop economy award space
- Lufthansa Miles & More: nonstop from 4,409 miles; nonstop space on 4 dates.
Best months for economy from Houston (IAH) to Porto (OPO)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 40,000 pts + taxes vary | Avianca LifeMiles | 1 | |
| 4,409 pts + taxes vary | Lufthansa Miles & More | 2 | |
| 22,500 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 4,409 pts + taxes vary | Lufthansa Miles & More | 5 | |
| 4,409 pts + taxes vary | Lufthansa Miles & More | 8 | |
| 9,500 pts + taxes vary | GOL Smiles | 5 | |
| 28,000 pts + taxes vary | Air France/KLM Flying Blue | 4 | |
| 41,500 pts + taxes vary | Air France/KLM Flying Blue | 4 |
Lowest economy award by month and program
Each program's lowest one-way economy award by departure month, in its own points or miles; taxes vary. — means the program showed no economy space that month.
| Program | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lufthansa Miles & Moremiles | — | 4,409 | — | 4,409 | 4,409 | — | — | — |
| GOL Smilesmiles | — | 60,700 | — | — | — | 9,500 | 72,800 | 52,500 |
| Virgin Atlantic Flying Clubpoints | — | 15,000 | — | 15,000 | 15,000 | — | — | — |
| Air France/KLM Flying Bluemiles | — | 18,750 | — | 18,750 | 18,750 | 25,000 | 28,000 | 41,500 |
| American Airlines AAdvantagemiles | — | — | 22,500 | — | 22,500 | 30,000 | 30,000 | 53,500 |
| Qantas Frequent Flyerpoints | 51,800 | 51,800 | — | 51,800 | 29,000 | 43,500 | — | — |
| Delta SkyMilesmiles | — | 52,300 | — | 35,000 | 35,000 | 38,900 | 59,000 | 411,900 |
| United MileagePlusmiles | — | 40,000 | 98,300 | 44,000 | 40,000 | 44,000 | 70,000 | 71,100 |
| Air Canada Aeroplanpoints | — | 40,000 | — | 60,000 | 40,000 | 60,000 | — | 58,805 |
| Avianca LifeMilesmiles | 40,000 | 40,000 | — | 40,000 | 40,000 | — | — | — |
| Turkish Miles & Smilesmiles | — | — | — | 55,000 | 55,000 | 55,000 | 75,000 | 75,000 |
Airlines seen in economy
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- American Airlines (AA): GOL Smiles, American Airlines AAdvantage and Qantas Frequent Flyer
- Air Canada (AC): GOL Smiles, United MileagePlus and Air Canada Aeroplan
- Air France (AF): GOL Smiles, Virgin Atlantic Flying Club, Air France/KLM Flying Blue, Qantas Frequent Flyer and Delta SkyMiles
- 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): Air France/KLM Flying Blue and Delta SkyMiles
- Air Dolomiti (EN): United MileagePlus
- IBERIA (IB): GOL Smiles
- KLM (KL): GOL Smiles, Virgin Atlantic Flying Club, Air France/KLM Flying Blue, Qantas Frequent Flyer and Delta SkyMiles
- Lufthansa (LH): Lufthansa Miles & More, United MileagePlus, Air Canada Aeroplan and Avianca LifeMiles
- SWISS (LX): United MileagePlus
- Brussels Airlines (SN): United MileagePlus
- Singapore Airlines (SQ): United MileagePlus
- Turkish Airlines (TK): Lufthansa Miles & More, United MileagePlus, Air Canada Aeroplan and Turkish Miles & Smiles
- TAP Portugal (TP): GOL Smiles and United MileagePlus
- United Airlines (UA): Lufthansa Miles & More, United MileagePlus, Air Canada Aeroplan and Avianca LifeMiles
- Air Europa (UX): Air France/KLM Flying Blue
- Lufthansa City Airlines (VL): United MileagePlus
Economy on nearby routes
The lowest economy 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 | 15,000 points | Virgin Atlantic Flying Club | 13 |
| Houston (IAH) to Paris Charles de Gaulle (CDG)Also from IAH | 14,995 miles | Lufthansa Miles & More | 129 |
| Houston (IAH) to London Heathrow (LHR)Also from IAH | 12,700 milesNonstop | GOL Smiles | 213 |
| Houston (IAH) to Amsterdam (AMS)Also from IAH | 15,000 pointsNonstop | Virgin Atlantic Flying Club | 78 |
| Houston (IAH) to Tokyo Narita (NRT)Also from IAH | 35,000 miles | American Airlines AAdvantage | 327 |
| Newark (EWR) to Porto (OPO)Also to OPO | 12,000 points | Virgin Atlantic Flying Club | 44 |
| London Heathrow (LHR) to Porto (OPO)Also to OPO | 5,990 miles | TAP Air Portugal Miles&Go | 310 |
| São Paulo Guarulhos (GRU) to Porto (OPO)Also to OPO | 17,000 points | Virgin Atlantic Flying Club | 13 |
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 | — |
| Turkish Miles & Smiles | — | 1:1 · Instant | 1:1 · Instant | — | 1:1 · ~1 day | — |
| 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.
Questions about economy award flights from Houston (IAH) to Porto (OPO)
What's the lowest economy award from Houston (IAH) to Porto (OPO)?
9,500 miles with GOL Smiles. GOL Smiles showed economy award space on 11 departure dates at any price (newest observation Oct 12, 2026, 14:56 UTC). Search live before transferring points.
Which programs had economy award space from Houston (IAH) to Porto (OPO)?
Lufthansa Miles & More (15 dates), GOL Smiles (11 dates), Virgin Atlantic Flying Club (7 dates), Air France/KLM Flying Blue (25 dates), American Airlines AAdvantage (17 dates), Qantas Frequent Flyer (11 dates), Delta SkyMiles (24 dates), United MileagePlus (30 dates), Air Canada Aeroplan (15 dates), Avianca LifeMiles (9 dates) and Turkish Miles & Smiles (26 dates), in the last 30 days.
Is there nonstop economy award space from Houston (IAH) to Porto (OPO)?
Yes. AwardTool observed nonstop economy award space via Lufthansa Miles & More. The lowest nonstop award was 4,409 miles with Lufthansa Miles & More, which showed nonstop economy space on 4 dates.
Which months had the lowest economy 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 economy award AwardTool observed was for Feb 2027 departures: 15,000 points with Virgin Atlantic (3 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.