Economy award flights from San Antonio (SAT) to Porto (OPO)
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In the last 30 days AwardTool saw economy award space on 3 programs for SAT→OPO. Lowest: 40,000 miles + $5.60 with United MileagePlus, which showed economy award space on 6 dates. No nonstop economy 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
- 40,000 miles + $5.60
- United MileagePlus
- Programs with space
- 3 of 3
- programs seen on this route
- Most dates seen
- 6 of 6
- dates checked · United MileagePlus
- Nonstop
- Not seen
- in the last 30 days
Compare programs for economy
The lowest one-way economy award each program showed on SAT→OPO, sorted by points.
| 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 |
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) | |
|---|---|---|---|---|---|---|
| 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 | ||
| Air Canada Aeroplan | 40,000 pts + $75.61 | 9+ | 2 stops | Check this date | ||
| United MileagePlus | 40,000 pts + $5.60 | 9+ | 2 stops | Check this date | ||
| Air France/KLM Flying Blue | 42,000 pts + $168.50 | 9+ | 2 stops | Check this date | ||
| Air France/KLM Flying Blue | 44,500 pts + $168.30 | 9+ | 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.
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 |
|---|---|---|---|
| United MileagePlus | 6 of 6 | 100% | |
| Air Canada Aeroplan | 5 of 6 | 83% | |
| Air France/KLM Flying Blue | 5 of 5 | 100% |
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 | ||
|---|---|---|
| United MileagePlusmiles | 40,000 | 71,100 |
| Air Canada Aeroplanpoints | 40,000 | 58,889 |
| Air France/KLM Flying Bluemiles | 42,000 | 108,000 |
Airlines seen in economy
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- Air Canada (AC): Air Canada Aeroplan
- Air France (AF): Air France/KLM Flying Blue
- Delta Air Lines (DL): Air France/KLM Flying Blue
- KLM (KL): Air France/KLM Flying Blue
- Lufthansa (LH): United MileagePlus
- SWISS (LX): United MileagePlus
- Brussels Airlines (SN): United MileagePlus
- Turkish Airlines (TK): United MileagePlus
- TAP Portugal (TP): United MileagePlus
- United Airlines (UA): United MileagePlus and Air Canada Aeroplan
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 San Antonio (SAT) 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 |
|---|---|---|---|
| San Antonio (SAT) to Seattle (SEA)Also from SAT | 10,000 miles | American Airlines AAdvantage | 331 |
| San Antonio (SAT) to Phoenix (PHX)Also from SAT | 7,000 milesNonstop | American Airlines AAdvantage | 322 |
| San Antonio (SAT) to Los Angeles (LAX)Also from SAT | 7,500 pointsNonstop | Alaska Atmos Rewards | 299 |
| San Antonio (SAT) to Atlanta (ATL)Also from SAT | 9,500 miles | American Airlines AAdvantage | 323 |
| 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 |
| Chicago O’Hare (ORD) to Porto (OPO)Also to OPO | 9,500 miles | GOL Smiles | 109 |
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.
Questions about economy award flights from San Antonio (SAT) to Porto (OPO)
What's the lowest economy award from San Antonio (SAT) to Porto (OPO)?
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). Search live before transferring points.
Which programs had economy award space from San Antonio (SAT) to Porto (OPO)?
United MileagePlus (6 dates), Air Canada Aeroplan (5 dates) and Air France/KLM Flying Blue (5 dates), in the last 30 days.
Is there nonstop economy award space from San Antonio (SAT) to Porto (OPO)?
AwardTool hasn't observed nonstop economy award space on this route in the last 30 days. That doesn't mean nonstop space never appears.