Economy award flights from Denver (DEN) to Porto (OPO)
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In the last 30 days AwardTool saw economy award space on 10 programs for DEN→OPO. Lowest: 22,500 miles + $35.20 with American Airlines AAdvantage, which showed economy award space on 35 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
- 22,500 miles + $35.20
- American Airlines AAdvantage
- Programs with space
- 10 of 10
- programs seen on this route
- Most dates seen
- 44 of 44
- dates checked · United MileagePlus
- Nonstop
- Seen
- via 1 program
Compare programs for economy
The lowest one-way economy award each program showed on DEN→OPO, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Lufthansa Miles & MoreLowest observed | 1,853 pts + $337.40 | Nonstop | Eurowings Discover (4Y), Lufthansa (LH), Turkish Airlines (TK), TAP Portugal (TP) +1 more | 9+ | 30 | See dates | |
| American Airlines AAdvantage | 22,500 pts + $35.20 | 2 stops | American Airlines (AA), Alaska Airlines (AS), Royal Air Maroc (AT), British Airways (BA) | — | 35 | See dates | |
| Delta SkyMiles | 25,000 pts + $5.60 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL) | 7 | 39 | See dates | |
| Air France/KLM Flying Blue | 35,500 pts + $38.00 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL) | 2 | 22 | See dates | |
| United MileagePlus | 37,900 pts + $5.60 | 1 stop | Eurowings Discover (4Y), Air Canada (AC), JetBlue (B6), Eurowings (EW) +8 more | 9+ | 44 | See dates | |
| Air Canada Aeroplan | 40,000 pts + $75.91 | 1 stop | Air Canada (AC), Lufthansa (LH), SWISS (LX), Turkish Airlines (TK) +2 more | 9+ | 34 | See dates | |
| Avianca LifeMiles | 40,000 pts + $29.00 | 1 stop | Lufthansa (LH), TAP Portugal (TP), United Airlines (UA) | 9+ | 19 | See dates | |
| Qantas Frequent Flyer | 43,500 pts + $356.60 | 1 stop | American Airlines (AA), British Airways (BA), IBERIA (IB) | 1 | 15 | See dates | |
| GOL Smiles | 47,500 pts + taxes not reported | 2 stops | American Airlines (AA), Air Canada (AC), IBERIA (IB), Turkish Airlines (TK) +1 more | 1 | 19 | See dates | |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | 1 stop | Turkish Airlines (TK) | 1 | 20 | 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 | 1,853 pts + $337.40 | 9+ | Nonstop | Check this date | ||
| American Airlines AAdvantage | 22,500 pts + $35.20 | — | 2 stops | Check this date | ||
| Delta SkyMiles | 25,000 pts + $5.60 | 9+ | 1 stop | Check this date | ||
| Air France/KLM Flying Blue | 35,500 pts + $38.00 | 2 | 1 stop | Check this date | ||
| United MileagePlus | 37,900 pts + $5.60 | 9+ | 1 stop | Check this date | ||
| Air Canada Aeroplan | 40,000 pts + $75.91 | 9+ | 1 stop | Check this date | ||
| Avianca LifeMiles | 40,000 pts + $29.00 | 9+ | 1 stop | Check this date | ||
| Qantas Frequent Flyer | 43,500 pts + $356.60 | 1 | 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 | 30 of 32 | 93% | |
| American Airlines AAdvantage | 35 of 57 | 61% | |
| Delta SkyMiles | 39 of 42 | 92% | |
| Air France/KLM Flying Blue | 22 of 38 | 57% | |
| United MileagePlus | 44 of 44 | 100% | |
| Air Canada Aeroplan | 34 of 44 | 77% | |
| Avianca LifeMiles | 19 of 44 | 43% | |
| Qantas Frequent Flyer | 15 of 45 | 33% | |
| GOL Smiles | 19 of 19 | 100% | |
| Turkish Miles & Smiles | 20 of 42 | 47% |
Nonstop economy award space
- Lufthansa Miles & More: nonstop from 1,853 miles; nonstop space on 4 dates.
Best months for economy from Denver (DEN) to Porto (OPO)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 1,865 pts + taxes vary | Lufthansa Miles & More | 3 | |
| 1,853 pts + taxes vary | Lufthansa Miles & More | 6 | |
| 4,409 pts + taxes vary | Lufthansa Miles & More | 1 | |
| 22,500 pts + taxes vary | American Airlines AAdvantage | 1 | |
| 4,409 pts + taxes vary | Lufthansa Miles & More | 5 | |
| 22,500 pts + taxes vary | American Airlines AAdvantage | 2 | |
| 8,292 pts + taxes vary | Lufthansa Miles & More | 5 | |
| 8,292 pts + taxes vary | Lufthansa Miles & More | 7 | |
| 37,400 pts + taxes vary | Lufthansa Miles & More | 3 | |
| 56,000 pts + taxes vary | American Airlines AAdvantage | 2 |
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 | 1,865 | 1,853 | 4,409 | — | 4,409 | — | 8,292 | 8,292 | 37,400 | — |
| American Airlines AAdvantagemiles | 30,000 | 22,500 | 22,500 | 22,500 | — | 22,500 | 30,000 | 30,000 | 56,500 | 56,000 |
| Delta SkyMilesmiles | 25,000 | 25,000 | 25,000 | — | 35,000 | — | 26,100 | 26,100 | 46,800 | — |
| Air France/KLM Flying Bluemiles | 46,000 | 35,500 | 59,500 | — | 46,000 | — | 43,500 | 48,000 | — | — |
| United MileagePlusmiles | 40,000 | 37,900 | 40,000 | — | 44,000 | — | 40,000 | 40,000 | 71,100 | — |
| Air Canada Aeroplanpoints | 40,000 | 40,000 | 60,000 | 60,000 | 60,000 | — | 42,500 | 42,500 | 50,005 | — |
| Avianca LifeMilesmiles | 40,000 | 40,000 | 40,000 | 40,000 | 40,000 | — | 40,000 | 40,000 | — | — |
| Qantas Frequent Flyerpoints | 43,500 | 43,500 | 57,200 | 67,700 | — | — | 43,500 | 43,500 | — | — |
| GOL Smilesmiles | — | 116,000 | 116,000 | — | — | — | 47,500 | — | 114,600 | — |
| Turkish Miles & Smilesmiles | 55,000 | 55,000 | 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.
- Eurowings Discover (4Y): Lufthansa Miles & More and United MileagePlus
- American Airlines (AA): American Airlines AAdvantage, Qantas Frequent Flyer and GOL Smiles
- Air Canada (AC): United MileagePlus, Air Canada Aeroplan and GOL Smiles
- Air France (AF): Delta SkyMiles and Air France/KLM Flying Blue
- Alaska Airlines (AS): American Airlines AAdvantage
- 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
- Eurowings (EW): United MileagePlus
- IBERIA (IB): Qantas Frequent Flyer and GOL Smiles
- KLM (KL): Delta SkyMiles and Air France/KLM Flying Blue
- Lufthansa (LH): Lufthansa Miles & More, United MileagePlus, Air Canada Aeroplan and Avianca LifeMiles
- SWISS (LX): United MileagePlus and Air Canada Aeroplan
- Austrian (OS): United MileagePlus
- Brussels Airlines (SN): United MileagePlus
- Turkish Airlines (TK): Lufthansa Miles & More, United MileagePlus, Air Canada Aeroplan, GOL Smiles and Turkish Miles & Smiles
- TAP Portugal (TP): Lufthansa Miles & More, United MileagePlus, Air Canada Aeroplan, Avianca LifeMiles and GOL Smiles
- United Airlines (UA): Lufthansa Miles & More, United MileagePlus, Air Canada Aeroplan and Avianca LifeMiles
- 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 Denver (DEN) 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 Denver (DEN)Return direction | 22,500 miles | American Airlines AAdvantage | 25 |
| Denver (DEN) to London Heathrow (LHR)Also from DEN | 9,500 milesNonstop | GOL Smiles | 129 |
| Denver (DEN) to Paris Charles de Gaulle (CDG)Also from DEN | 21,000 miles | American Airlines AAdvantage | 310 |
| Denver (DEN) to Orlando (MCO)Also from DEN | 9,500 miles | American Airlines AAdvantage | 312 |
| Denver (DEN) to Munich (MUC)Also from DEN | 21,000 miles | American Airlines AAdvantage | 312 |
| 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 | — | — |
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 Denver (DEN) to Porto (OPO)
What's the lowest economy award from Denver (DEN) to Porto (OPO)?
22,500 miles + $35.20 with American Airlines AAdvantage. Seen Oct 15, 2026, 02:28 UTC for a Nov 28, 2026 departure. American Airlines AAdvantage showed economy award space on 35 departure dates at any price (newest observation Oct 19, 2026, 12:38 UTC). Search live before transferring points.
Which programs had economy award space from Denver (DEN) to Porto (OPO)?
Lufthansa Miles & More (30 dates), American Airlines AAdvantage (35 dates), Delta SkyMiles (39 dates), Air France/KLM Flying Blue (22 dates), United MileagePlus (44 dates), Air Canada Aeroplan (34 dates), Avianca LifeMiles (19 dates), Qantas Frequent Flyer (15 dates), GOL Smiles (19 dates) and Turkish Miles & Smiles (20 dates), in the last 30 days.
Is there nonstop economy award space from Denver (DEN) to Porto (OPO)?
Yes. AwardTool observed nonstop economy award space via Lufthansa Miles & More.
Which months had the lowest economy award prices from Denver (DEN) 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 Nov 2026 departures: 22,500 miles with AAdvantage (2 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.