Award flights from Denver (DEN) to Porto (OPO)
Search flights from Denver (DEN) to Porto (OPO)
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In the last 30 days AwardTool saw award space on 10 programs for DEN→OPO. Lowest economy: 22,500 miles + $35.20 (American Airlines AAdvantage). Lowest business class: 57,500 miles + $35.20 (American Airlines AAdvantage). Lowest first class: 125,000 miles + $5.60 (Delta SkyMiles).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Denver (DEN) to Porto (OPO) at a glance
- From
- Denver International, Denver, Colorado, United States (DEN)
- 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
- 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), IBERIA (IB), KLM (KL) and 8 more
- Departures with open awards
- Oct 2026 to Jul 2027
- Most dates with space
- 44 of 44 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 | 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 |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 40,000 pts + $563.10 | 1 stop | American Airlines (AA), British Airways (BA), IBERIA (IB) | — | 33 | See dates | |
| United MileagePlus | 55,000 pts + $27.00 | 2 stops | Lufthansa (LH), SWISS (LX), Brussels Airlines (SN), TAP Portugal (TP) +2 more | 9+ | 39 | See dates | |
| Delta SkyMiles | 75,000 pts + $5.60 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL) | 5 | 34 | See dates | |
| Qantas Frequent Flyer | 102,300 pts + $1,608.60 | 1 stop | British Airways (BA) | 1 | 6 | See dates | |
| GOL Smiles | 556,100 pts + taxes not reported | 1 stop | American Airlines (AA) | 1 | 2 | See dates |
Not seen in premium economy: Air Canada Aeroplan, Avianca LifeMiles, Air France/KLM Flying Blue, Lufthansa Miles & More and Turkish Miles & Smiles.
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 57,500 pts + $35.20 | 2 stops | American Airlines (AA), Alaska Airlines (AS), British Airways (BA), IBERIA (IB) | — | 38 | See dates | |
| Lufthansa Miles & More | 85,921 pts + $1,526.70 | 1 stop | Lufthansa (LH) | 9+ | 28 | See dates | |
| United MileagePlus | 88,000 pts + $22.40Mixed cabin | 2 stops | Eurowings Discover (4Y), Air Canada (AC), Lufthansa (LH), SWISS (LX) +4 more | 2 | 44 | See dates | |
| Air Canada Aeroplan | 90,000 pts + $99.01 | 1 stop | Air Canada (AC), Lufthansa (LH), United Airlines (UA) | 9+ | 8 | See dates | |
| Qantas Frequent Flyer | 103,800 pts + $1,484.00Mixed cabin | 2 stops | American Airlines (AA), British Airways (BA) | 2 | 7 | See dates | |
| Delta SkyMiles | 125,000 pts + $35.20Mixed cabin | 2 stops | Delta Air Lines (DL), KLM (KL) | 2 | 6 | See dates | |
| Turkish Miles & Smiles | 175,000 pts + taxes not reported | 1 stop | Turkish Airlines (TK) | 1 | 20 | See dates |
Not seen in business class: Avianca LifeMiles, GOL Smiles and Air France/KLM Flying Blue.
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Delta SkyMilesLowest observed | 125,000 pts + $5.60 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL) | 7 | 37 | See dates | |
| Lufthansa Miles & More | 176,951 pts + $1,551.70 | 1 stop | Lufthansa (LH) | 3 | 6 | See dates | |
| United MileagePlus | 200,000 pts + $5.60 | 2 stops | United Airlines (UA) | 9+ | 29 | See dates |
Not seen in first class: American Airlines AAdvantage, Air Canada Aeroplan, Avianca LifeMiles, GOL Smiles, Air France/KLM Flying Blue, Qantas Frequent Flyer 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 | Lufthansa Miles & More | 1,853 pts + $337.40 | 9+ | Nonstop | Check this date | ||
| Premium Economy | American Airlines AAdvantage | 40,000 pts + $563.10 | — | 1 stop | Check this date | ||
| Business | American Airlines AAdvantage | 57,500 pts + $63.00 | — | 2 stops | Check this date | ||
| Business | Air Canada Aeroplan | 90,000 pts + $99.01 | 9+ | 1 stop | Check this date | ||
| Business | Qantas Frequent Flyer | 103,800 pts + $1,484.00Mixed cabin | 2 | 2 stops | Check this date | ||
| Business | Turkish Miles & Smiles | 175,000 pts + taxes not reported | 2 | 1 stop | Check this date | ||
| First | Delta SkyMiles | 125,000 pts + $5.60 | 9+ | 1 stop | Check this date | ||
| First | United MileagePlus | 200,000 pts + $5.60 | 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.
Nonstop award space
- Economy: nonstop space via Lufthansa Miles & More.
Best months to fly from Denver (DEN) to Porto (OPO) on points
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 1,865 · Miles & More (3 dates) | 40,000 · AAdvantage (3 dates) | 57,500 · AAdvantage (3 dates) | 395,000 · MileagePlus (2 dates) | |
| 1,853 · Miles & More (6 dates) | 55,000 · MileagePlus (9 dates) | 57,500 · AAdvantage (2 dates) | 125,000 · SkyMiles (7 dates) | |
| 4,409 · Miles & More (1 date) | 57,500 · AAdvantage (1 date) | 57,500 · AAdvantage (2 dates) | 125,000 · SkyMiles (2 dates) | |
| 22,500 · AAdvantage (1 date) | 102,300 · Qantas (1 date) | 108,000 · Qantas (1 date) | — | |
| 4,409 · Miles & More (5 dates) | 55,000 · MileagePlus (5 dates) | 88,000 · MileagePlus (5 dates)Mixed cabin | 125,000 · SkyMiles (4 dates) | |
| 22,500 · AAdvantage (2 dates) | 40,000 · AAdvantage (2 dates) | 57,500 · AAdvantage (5 dates) | — | |
| 8,292 · Miles & More (5 dates) | 75,000 · SkyMiles (9 dates) | 57,500 · AAdvantage (9 dates) | 395,000 · MileagePlus (8 dates) | |
| 8,292 · Miles & More (7 dates) | 40,000 · AAdvantage (9 dates) | 57,500 · AAdvantage (9 dates) | 176,951 · Miles & More (3 dates) | |
| 37,400 · Miles & More (3 dates) | 137,000 · AAdvantage (6 dates) | 99,475 · Miles & More (2 dates) | 176,951 · Miles & More (3 dates) | |
| 56,000 · AAdvantage (2 dates) | 142,000 · AAdvantage (2 dates) | 450,000 · 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 | — |
| 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.
Search, calendar and alerts from Denver (DEN) to Porto (OPO)
Route calendar
Every departure date with open award seats on DEN→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 Denver (DEN) to Porto (OPO)How many miles you need from Denver (DEN) to Porto (OPO)
- In economy, American Airlines AAdvantage had the lowest observed award, 22,500 miles + $35.20; see how many miles you need with American Airlines AAdvantage.
- In premium economy, American Airlines AAdvantage had the lowest observed award, 40,000 miles + $563.10; see how many miles you need with American Airlines AAdvantage.
- In business class, American Airlines AAdvantage had the lowest observed award, 57,500 miles + $35.20; see how many miles you need with American Airlines AAdvantage.
- In first class, Delta SkyMiles had the lowest observed award, 125,000 miles + $5.60; see how many miles you need with Delta SkyMiles.
Questions about award flights from Denver (DEN) to Porto (OPO)
What's the lowest Denver (DEN) to Porto (OPO) award price AwardTool has seen?
In economy, 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). In business class, 57,500 miles + $35.20 with American Airlines AAdvantage. Seen Oct 15, 2026, 02:28 UTC for a Dec 4, 2026 departure. American Airlines AAdvantage showed business-class award space on 38 departure dates at any price (newest observation Oct 18, 2026, 18:57 UTC). Search live before transferring points.
Which loyalty programs had award space from Denver (DEN) to Porto (OPO)?
10 programs in the last 30 days: American Airlines AAdvantage (economy 35 dates, premium economy 33 dates, business class 38 dates); Air Canada Aeroplan (economy 34 dates, business class 8 dates); Avianca LifeMiles (economy 19 dates); Delta SkyMiles (economy 39 dates, premium economy 34 dates, business class 6 dates, first class 37 dates); GOL Smiles (economy 19 dates, premium economy 2 dates); Air France/KLM Flying Blue (economy 22 dates); Lufthansa Miles & More (economy 30 dates, business class 28 dates, first class 6 dates); Qantas Frequent Flyer (economy 15 dates, premium economy 6 dates, business class 7 dates) and 2 more. Dates count departure dates with an open award.
Is there nonstop award space from Denver (DEN) to Porto (OPO)?
Yes. AwardTool observed nonstop award space in economy, bookable via Lufthansa Miles & More.
Which credit card points can book awards from Denver (DEN) 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). Bilt Rewards: Air Canada Aeroplan (1:1), Avianca LifeMiles (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), Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (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), Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Turkish Miles & Smiles (1:1). Wells Fargo Rewards: Avianca LifeMiles (1:1), 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 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: in economy, the lowest award was for Nov 2026 departures, 22,500 miles with AAdvantage (2 dates); in business class, the lowest award was for Apr 2027 departures, 57,500 miles with AAdvantage (9 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.