Award flights from Houston (IAH) to Porto (OPO)
Search flights from Houston (IAH) to Porto (OPO)
Search live to see every flight, program and cabin price for your dates.
In the last 30 days AwardTool saw award space on 10 programs for IAH→OPO. Lowest economy: 9,500 miles (GOL Smiles). Lowest business class: 57,500 miles + $763.10 (American Airlines AAdvantage). Lowest first class: 200,000 miles + $5.60 (United MileagePlus).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Houston (IAH) to Porto (OPO) at a glance
- From
- George Bush Intercontinental/Houston Airport, Houston, Texas, United States (IAH)
- To
- Francisco de Sa Carneiro Airport, Porto, Portugal (OPO)
- Programs with award space seen
- 10 of 10 programs tracked on this route
- Nonstop award space seen
- Yes, in economy, via Lufthansa Miles & More
- Airlines seen on these awards
- American Airlines (AA), Air Canada (AC), Air France (AF), Royal Air Maroc (AT), JetBlue (B6), British Airways (BA), Delta Air Lines (DL), Air Dolomiti (EN), IBERIA (IB), KLM (KL), Lufthansa (LH), SWISS (LX) and 7 more
- Departures with open awards
- Oct 2026 to Jun 2027
- Most dates with space
- 30 of 30 departure dates checked (United MileagePlus, economy)
- Latest departure with space
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to Porto (OPO)
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 | |
|---|---|---|---|---|---|---|---|
| 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 |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Virgin Atlantic Flying ClubLowest observed | 39,000 pts + $312.00 | 1 stop | Air France (AF) | 2 | 5 | See dates | |
| Air France/KLM Flying Blue | 40,000 pts + $242.00 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 9+ | 25 | See dates | |
| American Airlines AAdvantage | 40,000 pts + $563.10 | 1 stop | American Airlines (AA), Royal Air Maroc (AT), British Airways (BA) | — | 17 | See dates | |
| United MileagePlus | 55,000 pts + $22.50 | 2 stops | JetBlue (B6), Lufthansa (LH), SWISS (LX), Brussels Airlines (SN) +3 more | 9+ | 27 | See dates | |
| Delta SkyMiles | 75,000 pts + $35.20 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 6 | 4 | See dates | |
| Qantas Frequent Flyer | 116,500 pts + $1,608.60 | 1 stop | British Airways (BA) | 2 | 4 | See dates | |
| GOL Smiles | 533,500 pts + taxes not reported | 1 stop | American Airlines (AA) | 1 | 1 | See dates |
Not seen in premium economy: Air Canada Aeroplan, Avianca LifeMiles and Lufthansa Miles & More.
Business Class
| 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.
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| United MileagePlusLowest observed | 200,000 pts + $5.60 | 2 stops | United Airlines (UA) | 8 | 20 | See dates | |
| Delta SkyMiles | 395,500 pts + $35.60 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 2 | 14 | 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 | Lufthansa Miles & More | 4,409 pts + $336.80 | 9+ | 1 stop | Check this date | ||
| Economy | Lufthansa Miles & More | 13,230 pts + $336.80 | 9+ | Nonstop | Check this date | ||
| Economy | Air Canada Aeroplan | 40,000 pts + $75.71 | 9+ | 1 stop | Check this date | ||
| Premium Economy | Virgin Atlantic Flying Club | 39,000 pts + $312.30 | 1 | 1 stop | Check this date | ||
| Business | American Airlines AAdvantage | 57,500 pts + $773.20 | — | 2 stops | Check this date | ||
| Business | Air France/KLM Flying Blue | 152,000 pts + $365.70 | 6 | 1 stop | Check this date | ||
| First | United MileagePlus | 200,000 pts + $5.60 | 8 | 2 stops | Check this date | ||
| First | Delta SkyMiles | 499,900 pts + $24.10 | 1 | 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.
Nonstop award space
- Economy: nonstop from 4,409 miles via Lufthansa Miles & More, which showed nonstop space on 4 dates.
Best months to fly from Houston (IAH) to Porto (OPO) on points
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 40,000 · LifeMiles (1 date) | — | — | — | |
| 4,409 · Miles & More (2 dates) | 39,000 · Virgin Atlantic (2 dates) | 88,000 · MileagePlus (3 dates)Mixed cabin | 200,000 · MileagePlus (3 dates) | |
| 22,500 · AAdvantage (1 date) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (2 dates) | 395,000 · MileagePlus (1 date) | |
| 4,409 · Miles & More (5 dates) | 39,000 · Virgin Atlantic (2 dates) | 88,000 · MileagePlus (5 dates)Mixed cabin | 499,900 · SkyMiles (5 dates) | |
| 4,409 · Miles & More (8 dates) | 40,000 · AAdvantage (4 dates) | 57,500 · AAdvantage (4 dates) | 200,000 · MileagePlus (8 dates) | |
| 9,500 · Smiles (5 dates) | 40,000 · AAdvantage (4 dates) | 57,500 · AAdvantage (4 dates) | 395,000 · MileagePlus (5 dates) | |
| 28,000 · Flying Blue (4 dates) | 91,000 · Flying Blue (4 dates) | 57,500 · AAdvantage (5 dates) | 395,000 · MileagePlus (3 dates) | |
| 41,500 · Flying Blue (4 dates) | 91,000 · Flying Blue (4 dates) | 57,500 · AAdvantage (3 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 Houston (IAH) to Porto (OPO)
Route calendar
Every departure date with open award seats on IAH→OPO for United MileagePlus and the other programs: a limited window on the free plan and 365 days with Pro.
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Search one date across programs to see current flights, seats and taxes before you transfer points.
Search Houston (IAH) to Porto (OPO)How many miles or points you need from Houston (IAH) to Porto (OPO)
- In economy, GOL Smiles had the lowest observed award, 9,500 miles (taxes not reported); see how many miles you need with GOL Smiles.
- In premium economy, Virgin Atlantic Flying Club had the lowest observed award, 39,000 points + $312.00; 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 + $763.10; see how many miles you need with American Airlines AAdvantage.
- In first class, United MileagePlus had the lowest observed award, 200,000 miles + $5.60; see how many miles you need with United MileagePlus.
Questions about award flights from Houston (IAH) to Porto (OPO)
What's the lowest Houston (IAH) to Porto (OPO) award price AwardTool has seen?
In economy, 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). In business class, 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 loyalty programs had award space from Houston (IAH) to Porto (OPO)?
10 programs in the last 30 days: American Airlines AAdvantage (economy 17 dates, premium economy 17 dates, business class 18 dates); Air Canada Aeroplan (economy 15 dates, business class 4 dates); Avianca LifeMiles (economy 9 dates); Delta SkyMiles (economy 24 dates, premium economy 4 dates, business class 17 dates, first class 14 dates); GOL Smiles (economy 11 dates, premium economy 1 date); Air France/KLM Flying Blue (economy 25 dates, premium economy 25 dates, business class 25 dates); Lufthansa Miles & More (economy 15 dates, business class 6 dates); Qantas Frequent Flyer (economy 11 dates, premium economy 4 dates, business class 6 dates) and 2 more. Dates count departure dates with an open award.
Is there nonstop award space from Houston (IAH) to Porto (OPO)?
Yes. AwardTool observed nonstop award space in economy, bookable via Lufthansa Miles & More. The lowest nonstop award was 4,409 miles with Lufthansa Miles & More.
Which credit card points can book awards from Houston (IAH) to Porto (OPO)?
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 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: in economy, the lowest award was for Feb 2027 departures, 15,000 points with Virgin Atlantic (3 dates); in business class, the lowest award 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.