Award flights from San Antonio (SAT) to Porto (OPO)
Search flights from San Antonio (SAT) 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 3 programs for SAT→OPO. Lowest economy: 40,000 miles + $5.60 (United MileagePlus). Lowest business class: 88,000 miles + $28.00 (United MileagePlus) on a mixed-cabin itinerary. Lowest first class: 395,000 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.
San Antonio (SAT) to Porto (OPO) at a glance
- From
- San Antonio International, San Antonio, Texas, United States (SAT)
- To
- Francisco de Sa Carneiro Airport, Porto, Portugal (OPO)
- Programs with award space seen
- 3 of 3 programs tracked on this route
- Nonstop award space seen
- Not seen in the last 30 days
- Airlines seen on these awards
- Air Canada (AC), Air France (AF), Delta Air Lines (DL), KLM (KL), Lufthansa (LH), SWISS (LX), Brussels Airlines (SN), Turkish Airlines (TK), TAP Portugal (TP), United Airlines (UA)
- Departures with open awards
- Nov 2026 to Jun 2027
- Most dates with space
- 6 of 6 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 | |
|---|---|---|---|---|---|---|---|
| United MileagePlusLowest observed | 40,000 pts + $5.60 | 1 stop | Lufthansa (LH), SWISS (LX), Brussels Airlines (SN), Turkish Airlines (TK) +2 more | 9+ | 6 | See dates | |
| Air Canada Aeroplan | 40,000 pts + $75.61 | 2 stops | Air Canada (AC), United Airlines (UA) | 9+ | 5 | See dates | |
| Air France/KLM Flying Blue | 42,000 pts + $168.50 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 9+ | 5 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| United MileagePlusLowest observed | 55,000 pts + $22.40 | 2 stops | Lufthansa (LH), SWISS (LX), Brussels Airlines (SN), TAP Portugal (TP) +1 more | 9+ | 3 | See dates | |
| Air France/KLM Flying Blue | 132,000 pts + $258.10 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 5 | 1 | See dates |
Not seen in premium economy: Air Canada Aeroplan.
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| United MileagePlusLowest, mixed cabin | 88,000 pts + $28.00Mixed cabin | 2 stops | Lufthansa (LH), SWISS (LX), Brussels Airlines (SN), TAP Portugal (TP) +1 more | 3 | 6 | See dates | |
| Air France/KLM Flying Blue | 183,000 pts + $359.00 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 3 | 1 | See dates | |
| Air Canada Aeroplan | 301,576 pts + $84.61Mixed cabin | 2 stops | Air Canada (AC), United Airlines (UA) | 4 | 2 | See dates |
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| United MileagePlus | 395,000 pts + $5.60 | 3 stops | United Airlines (UA) | 9+ | 3 | See dates |
Not seen in first class: Air Canada Aeroplan and Air France/KLM Flying Blue.
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 Canada Aeroplan | 40,000 pts + $75.71 | 9+ | 1 stop | Check this date | ||
| Economy | United MileagePlus | 40,000 pts + $5.60 | 9+ | 1 stop | Check this date | ||
| Premium Economy | United MileagePlus | 55,000 pts + $22.40 | 9+ | 2 stops | Check this date | ||
| Business | Air France/KLM Flying Blue | 183,000 pts + $359.00 | 3 | 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.
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 |
| United MileagePlus | — | 1:1 · Instant | — | 1:1 · Instant | — | — |
Check current transfer bonuses. Most transfers can't be reversed.
Search, calendar and alerts from San Antonio (SAT) to Porto (OPO)
Route calendar
Every departure date with open award seats on SAT→OPO for United MileagePlus and the other programs: a limited window on the free plan and 365 days with Pro.
Open the route calendarLive search
Search one date across programs to see current flights, seats and taxes before you transfer points.
Search San Antonio (SAT) to Porto (OPO)How many miles you need from San Antonio (SAT) to Porto (OPO)
- In economy, United MileagePlus had the lowest observed award, 40,000 miles + $5.60; see how many miles you need with United MileagePlus.
- In premium economy, United MileagePlus had the lowest observed award, 55,000 miles + $22.40; see how many miles you need with United MileagePlus.
- In business class, United MileagePlus had the lowest observed award, 88,000 miles + $28.00, a mixed-cabin award; see how many miles you need with United MileagePlus.
- In first class, United MileagePlus had the lowest observed award, 395,000 miles + $5.60; see how many miles you need with United MileagePlus.
Questions about award flights from San Antonio (SAT) to Porto (OPO)
What's the lowest San Antonio (SAT) to Porto (OPO) award price AwardTool has seen?
In economy, 40,000 miles + $5.60 with United MileagePlus. Seen Oct 16, 2026, 00:45 UTC for a Nov 10, 2026 departure. United MileagePlus showed economy award space on 6 departure dates at any price (newest observation Oct 19, 2026, 23:32 UTC). In business class, 88,000 miles + $28.00 with United MileagePlus on a mixed-cabin itinerary (part of the trip in a lower cabin). Seen Oct 16, 2026, 00:45 UTC for a Nov 10, 2026 departure. United MileagePlus showed business-class award space on 6 departure dates at any price (newest observation Oct 19, 2026, 23:32 UTC). Search live before transferring points.
Which loyalty programs had award space from San Antonio (SAT) to Porto (OPO)?
3 programs in the last 30 days: Air Canada Aeroplan (economy 5 dates, business class 2 dates); Air France/KLM Flying Blue (economy 5 dates, premium economy 1 date, business class 1 date); United MileagePlus (economy 6 dates, premium economy 3 dates, business class 6 dates, first class 3 dates). Dates count departure dates with an open award.
Is there nonstop award space from San Antonio (SAT) to Porto (OPO)?
AwardTool hasn't observed nonstop award space on this route in the last 30 days. The awards it saw connected with 1 to 3 stops on itineraries including Air Canada, Air France, Delta Air Lines and KLM. That doesn't mean nonstop space never appears.
Which credit card points can book awards from San Antonio (SAT) to Porto (OPO)?
American Express Membership Rewards: Air Canada Aeroplan (1:1), Air France/KLM Flying Blue (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Air France/KLM Flying Blue (1:1), United MileagePlus (1:1). Capital One Miles: Air Canada Aeroplan (1:1), Air France/KLM Flying Blue (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1), Air France/KLM Flying Blue (1:1), United MileagePlus (1:1). Citi ThankYou Points: Air France/KLM Flying Blue (1:1). Wells Fargo Rewards: Air France/KLM Flying Blue (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.