Award flights from Porto (OPO) to Denver (DEN)
Search flights from Porto (OPO) to Denver (DEN)
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In the last 30 days AwardTool saw award space on 7 programs for OPO→DEN. Lowest economy: 22,500 miles + $124.73 (American Airlines AAdvantage). Lowest business class: 45,196 miles + $946.09 (Lufthansa Miles & More). Lowest first class: 99,190 miles + $1,136.49 (Lufthansa Miles & More).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Porto (OPO) to Denver (DEN) at a glance
- From
- Francisco de Sa Carneiro Airport, Porto, Portugal (OPO)
- To
- Denver International, Denver, Colorado, United States (DEN)
- Programs with award space seen
- 7 of 7 programs tracked on this route
- Nonstop award space seen
- Not seen in the last 30 days
- Airlines seen on these awards
- Eurowings Discover (4Y), American Airlines (AA), Air Canada (AC), Air France (AF), Alaska Airlines (AS), Royal Air Maroc (AT), JetBlue (B6), British Airways (BA), Delta Air Lines (DL), Eurowings (EW), KLM (KL), Lufthansa (LH) and 7 more
- Departures with open awards
- Oct 2026 to Aug 2027
- Most dates with space
- 34 of 34 departure dates checked (United MileagePlus, economy)
- Latest departure with space
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to Denver (DEN)
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 | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 22,500 pts + $124.73 | 2 stops | American Airlines (AA), Royal Air Maroc (AT), British Airways (BA) | — | 25 | See dates | |
| Lufthansa Miles & More | 25,000 pts + $305.93 | 1 stop | Eurowings Discover (4Y), Lufthansa (LH), United Airlines (UA) | 9+ | 11 | See dates | |
| Delta SkyMiles | 33,000 pts + $58.91 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL) | 9+ | 21 | See dates | |
| United MileagePlus | 40,000 pts + $57.19 | 2 stops | Eurowings Discover (4Y), Air Canada (AC), JetBlue (B6), Eurowings (EW) +8 more | 7 | 34 | See dates | |
| Air France/KLM Flying Blue | 41,500 pts + $219.73 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 9+ | 12 | See dates | |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | 1 stop | Turkish Airlines (TK) | 1 | 16 | See dates | |
| Air Canada Aeroplan | 60,000 pts + $130.30 | 1 stop | Air Canada (AC), Lufthansa (LH), United Airlines (UA) | 9+ | 7 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 40,000 pts + $562.69 | 1 stop | American Airlines (AA), British Airways (BA) | — | 17 | See dates | |
| Lufthansa Miles & More | 53,706 pts + $504.69 | 1 stop | Eurowings Discover (4Y), Lufthansa (LH), United Airlines (UA) | 9+ | 8 | See dates | |
| United MileagePlus | 55,000 pts + $74.33 | 2 stops | Eurowings (EW), Lufthansa (LH), LOT Polish Airlines (LO), SWISS (LX) +3 more | 9+ | 24 | See dates | |
| Delta SkyMiles | 94,000 pts + $73.97 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 9+ | 18 | See dates |
Not seen in premium economy: Air Canada Aeroplan, Air France/KLM Flying Blue and Turkish Miles & Smiles.
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Lufthansa Miles & MoreLowest observed | 45,196 pts + $946.09 | 1 stop | Lufthansa (LH) | 9+ | 8 | See dates | |
| American Airlines AAdvantage | 57,500 pts + $124.73 | 2 stops | American Airlines (AA), Alaska Airlines (AS), Royal Air Maroc (AT), British Airways (BA) | — | 25 | See dates | |
| United MileagePlus | 88,000 pts + $66.23Mixed cabin | 2 stops | Eurowings Discover (4Y), Eurowings (EW), Lufthansa (LH), LOT Polish Airlines (LO) +4 more | 4 | 33 | See dates | |
| Turkish Miles & Smiles | 175,000 pts + taxes not reported | 1 stop | Turkish Airlines (TK) | 1 | 15 | See dates | |
| Air Canada Aeroplan | 405,960 pts + $131.14Mixed cabin | 2 stops | Air Canada (AC), United Airlines (UA) | 3 | 1 | See dates |
Not seen in business class: Delta SkyMiles and Air France/KLM Flying Blue.
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Lufthansa Miles & MoreLowest observed | 99,190 pts + $1,136.49 | 1 stop | Lufthansa (LH) | 1 | 4 | See dates | |
| United MileagePlus | 200,000 pts + $62.79 | 2 stops | United Airlines (UA) | 9+ | 28 | See dates | |
| Delta SkyMiles | 415,000 pts + $59.52 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL) | 7 | 23 | See dates |
Not seen in first class: American Airlines AAdvantage, Air Canada Aeroplan, Air France/KLM Flying Blue and Turkish Miles & Smiles.
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 | American Airlines AAdvantage | 22,500 pts + $124.73 | — | 2 stops | Check this date | ||
| Economy | Air France/KLM Flying Blue | 139,900 pts + $219.73 | 9+ | 2 stops | Check this date | ||
| Premium Economy | Lufthansa Miles & More | 53,706 pts + $518.59 | 1 | 1 stop | Check this date | ||
| Business | Lufthansa Miles & More | 45,196 pts + $968.03 | 4 | 1 stop | Check this date | ||
| Business | Turkish Miles & Smiles | 175,000 pts + taxes not reported | 1 | 1 stop | Check this date | ||
| Business | Air Canada Aeroplan | 405,960 pts + $131.14Mixed cabin | 3 | 2 stops | Check this date | ||
| First | United MileagePlus | 305,500 pts + $63.29 | 9+ | 2 stops | Check this date | ||
| First | Delta SkyMiles | 495,000 pts + $59.52 | 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.
Best months to fly from Porto (OPO) to Denver (DEN) on points
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 30,000 · AAdvantage (2 dates) | 230,000 · SkyMiles (2 dates) | 45,196 · Miles & More (1 date) | 395,000 · MileagePlus (4 dates) | |
| 22,500 · AAdvantage (1 date) | 53,706 · Miles & More (1 date) | 45,196 · Miles & More (1 date) | 305,500 · MileagePlus (4 dates) | |
| 30,000 · AAdvantage (2 dates) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (2 dates) | 200,000 · MileagePlus (7 dates) | |
| 22,500 · AAdvantage (1 date) | 94,000 · SkyMiles (1 date) | 200,000 · MileagePlus (1 date) | 415,000 · SkyMiles (1 date) | |
| 22,500 · AAdvantage (2 dates) | 156,000 · AAdvantage (1 date) | 57,500 · AAdvantage (3 dates) | — | |
| 30,000 · AAdvantage (2 dates) | 100,000 · SkyMiles (1 date) | 175,000 · Miles&Smiles (1 date) | 395,000 · MileagePlus (1 date) | |
| 25,000 · Miles & More (6 dates) | 53,706 · Miles & More (6 dates) | 45,196 · Miles & More (6 dates) | 99,190 · Miles & More (4 dates) | |
| 103,500 · AAdvantage (1 date) | 200,000 · AAdvantage (1 date) | 450,000 · AAdvantage (1 date) | — | |
| 90,000 · AAdvantage (2 dates) | 150,000 · AAdvantage (2 dates) | 361,500 · AAdvantage (2 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 | — |
| Delta SkyMiles | 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 Lufthansa Miles & More.
Search, calendar and alerts from Porto (OPO) to Denver (DEN)
Route calendar
Every departure date with open award seats on OPO→DEN for United MileagePlus and the other programs: a limited window on the free plan and 365 days with Pro.
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Search Porto (OPO) to Denver (DEN)How many miles you need from Porto (OPO) to Denver (DEN)
- In economy, American Airlines AAdvantage had the lowest observed award, 22,500 miles + $124.73; see how many miles you need with American Airlines AAdvantage.
- In premium economy, American Airlines AAdvantage had the lowest observed award, 40,000 miles + $562.69; see how many miles you need with American Airlines AAdvantage.
- In business class, Lufthansa Miles & More had the lowest observed award, 45,196 miles + $946.09; see how many miles you need with Lufthansa Miles & More.
- In first class, Lufthansa Miles & More had the lowest observed award, 99,190 miles + $1,136.49; see how many miles you need with Lufthansa Miles & More.
Questions about award flights from Porto (OPO) to Denver (DEN)
What's the lowest Porto (OPO) to Denver (DEN) award price AwardTool has seen?
In economy, 22,500 miles + $124.73 with American Airlines AAdvantage. Seen Sep 26, 2026, 21:23 UTC for a Nov 13, 2026 departure. American Airlines AAdvantage showed economy award space on 25 departure dates at any price (newest observation Oct 18, 2026, 18:57 UTC). In business class, 45,196 miles + $946.09 with Lufthansa Miles & More. Seen Oct 1, 2026, 22:41 UTC for a Nov 27, 2026 departure. Lufthansa Miles & More showed business-class award space on 8 departure dates at any price (newest observation Oct 12, 2026, 21:30 UTC). Search live before transferring points.
Which loyalty programs had award space from Porto (OPO) to Denver (DEN)?
7 programs in the last 30 days: American Airlines AAdvantage (economy 25 dates, premium economy 17 dates, business class 25 dates); Air Canada Aeroplan (economy 7 dates, business class 1 date); Delta SkyMiles (economy 21 dates, premium economy 18 dates, first class 23 dates); Air France/KLM Flying Blue (economy 12 dates); Lufthansa Miles & More (economy 11 dates, premium economy 8 dates, business class 8 dates, first class 4 dates); Turkish Miles & Smiles (economy 16 dates, business class 15 dates); United MileagePlus (economy 34 dates, premium economy 24 dates, business class 33 dates, first class 28 dates). Dates count departure dates with an open award.
Is there nonstop award space from Porto (OPO) to Denver (DEN)?
AwardTool hasn't observed nonstop award space on this route in the last 30 days. The awards it saw connected with 1 to 2 stops on itineraries including Eurowings Discover, American Airlines, Air Canada and Air France. That doesn't mean nonstop space never appears.
Which credit card points can book awards from Porto (OPO) to Denver (DEN)?
American Express Membership Rewards: Air Canada Aeroplan (1:1), Delta SkyMiles (1:1), Air France/KLM Flying Blue (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Air France/KLM Flying Blue (1:1), Turkish Miles & Smiles (1:1), United MileagePlus (1:1). Capital One Miles: Air Canada Aeroplan (1:1), Air France/KLM Flying Blue (1:1), Turkish Miles & Smiles (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1), Air France/KLM Flying Blue (1:1), United MileagePlus (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Air France/KLM Flying Blue (1:1), Turkish Miles & Smiles (1:1). Wells Fargo Rewards: Air France/KLM Flying Blue (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.
Which months had the lowest award prices from Porto (OPO) to Denver (DEN)?
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 Mar 2027 departures, 22,500 miles with AAdvantage (2 dates); in business class, the lowest award was for May 2027 departures, 45,196 miles with Miles & More (6 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.