Award flights from Porto (OPO) to Seattle (SEA)
Search flights from Porto (OPO) to Seattle (SEA)
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In the last 30 days AwardTool saw award space on 12 programs for OPO→SEA. Lowest economy: 15,000 points + $245.62 (Virgin Atlantic Flying Club). Lowest business class: 45,280 miles + $944.59 (Lufthansa Miles & More). Lowest first class: 279,600 miles + $63.29 (United MileagePlus).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Porto (OPO) to Seattle (SEA) at a glance
- From
- Francisco de Sa Carneiro Airport, Porto, Portugal (OPO)
- To
- Seattle-Tacoma International, Seattle, Washington, United States (SEA)
- Programs with award space seen
- 12 of 12 programs tracked on this route
- Nonstop award space seen
- Not seen in the last 30 days
- Airlines seen on these awards
- 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), Aer Lingus (EI), Emirates (EK), Air Dolomiti (EN), Eurowings (EW) and 13 more
- Departures with open awards
- Oct 2026 to Jul 2027
- Most dates with space
- 51 of 51 departure dates checked (United MileagePlus, economy)
- Latest departure with space
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to Seattle (SEA)
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 | |
|---|---|---|---|---|---|---|---|
| Virgin Atlantic Flying ClubLowest observed | 15,000 pts + $245.62 | 1 stop | Air France (AF) | 1 | 18 | See dates | |
| American Airlines AAdvantage | 22,500 pts + $123.49 | 1 stop | American Airlines (AA), Alaska Airlines (AS), Royal Air Maroc (AT), British Airways (BA) | — | 36 | See dates | |
| Air France/KLM Flying Blue | 25,000 pts + $206.99 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 5 | 50 | See dates | |
| Lufthansa Miles & More | 25,000 pts + $310.39 | 1 stop | Lufthansa (LH), United Airlines (UA) | 9+ | 24 | See dates | |
| Delta SkyMiles | 39,000 pts + $59.37 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL), SAS (SK) | 9+ | 47 | See dates | |
| Avianca LifeMiles | 39,000 pts + $58.00 | 2 stops | Air Canada (AC), Lufthansa (LH), United Airlines (UA) | 9+ | 25 | See dates | |
| United MileagePlus | 40,000 pts + $57.19 | 1 stop | Air Canada (AC), JetBlue (B6), Aer Lingus (EI), Air Dolomiti (EN) +10 more | 9+ | 51 | See dates | |
| Air Canada Aeroplan | 40,000 pts + $127.20 | 1 stop | Air Canada (AC), Eurowings (EW), Lufthansa (LH), SWISS (LX) +4 more | 9+ | 39 | See dates | |
| Qantas Frequent Flyer | 43,500 pts + $313.20 | 1 stop | American Airlines (AA), Air France (AF), Alaska Airlines (AS), British Airways (BA) | 2 | 21 | See dates | |
| Turkish Miles & Smiles | 55,000 pts + taxes not reported | 1 stop | Turkish Airlines (TK) | 1 | 49 | See dates | |
| Etihad Guest | 67,000 pts + $231.39 | 1 stop | Air France (AF) | 9+ | 32 | See dates | |
| GOL Smiles | 123,000 pts + taxes not reported | 1 stop | American Airlines (AA), Air Canada (AC), Air France (AF), British Airways (BA) +4 more | 1 | 31 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 40,000 pts + $578.39 | 2 stops | American Airlines (AA), Alaska Airlines (AS), British Airways (BA) | — | 31 | See dates | |
| Lufthansa Miles & More | 53,706 pts + $504.09 | 1 stop | Lufthansa (LH) | 9+ | 21 | See dates | |
| United MileagePlus | 55,000 pts + $73.59 | 2 stops | Lufthansa (LH), SWISS (LX), TAP Portugal (TP), United Airlines (UA) | 9+ | 37 | See dates | |
| Air France/KLM Flying Blue | 61,000 pts + $317.29 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 2 | 44 | See dates | |
| Air Canada Aeroplan | 68,681 pts + $105.94 | 2 stops | Air Canada (AC) | 6 | 2 | See dates | |
| Delta SkyMiles | 96,000 pts + $68.37 | 1 stop | Delta Air Lines (DL), KLM (KL), SAS (SK) | 9+ | 38 | See dates | |
| GOL Smiles | 236,600 pts + taxes not reported | 2 stops | American Airlines (AA), IBERIA (IB) | 1 | 11 | See dates |
Not seen in premium economy: Avianca LifeMiles, Etihad Guest, Qantas Frequent Flyer, Turkish Miles & Smiles and Virgin Atlantic Flying Club.
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Lufthansa Miles & MoreLowest observed | 45,280 pts + $944.59 | 1 stop | Lufthansa (LH), TAP Portugal (TP) | 9+ | 25 | See dates | |
| American Airlines AAdvantage | 57,500 pts + $979.73 | 2 stops | American Airlines (AA), Alaska Airlines (AS), British Airways (BA) | — | 40 | See dates | |
| Air France/KLM Flying Blue | 60,000 pts + $442.49 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Air Europa (UX) | 9+ | 47 | See dates | |
| United MileagePlus | 88,000 pts + $67.99 | 2 stops | Air Canada (AC), Eurowings (EW), Lufthansa (LH), SWISS (LX) +3 more | 3 | 50 | See dates | |
| Air Canada Aeroplan | 90,000 pts + $131.00 | 1 stop | Air Canada (AC), Eurowings (EW), Lufthansa (LH), SWISS (LX) +2 more | 7 | 11 | See dates | |
| Qantas Frequent Flyer | 108,000 pts + $1,024.70 | 1 stop | British Airways (BA) | 1 | 1 | See dates | |
| Etihad Guest | 119,999 pts + $371.49 | 1 stop | Air France (AF) | 8 | 2 | See dates | |
| Turkish Miles & Smiles | 175,000 pts + taxes not reported | 1 stop | Turkish Airlines (TK) | 1 | 46 | See dates | |
| Delta SkyMiles | 335,000 pts + $68.37 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), SAS (SK) | 3 | 7 | See dates | |
| GOL Smiles | 472,300 pts + taxes not reportedMixed cabin | 1 stop | Air France (AF) | 4 | 2 | See dates |
Not seen in business class: Avianca LifeMiles and Virgin Atlantic Flying Club.
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| United MileagePlusLowest observed | 279,600 pts + $63.29 | 3 stops | United Airlines (UA) | 9+ | 47 | See dates | |
| Air Canada Aeroplan | 305,515 pts + $130.50 | 2 stops | Air Canada (AC), United Airlines (UA) | 1 | 1 | See dates | |
| Delta SkyMiles | 360,000 pts + $59.37 | 2 stops | Delta Air Lines (DL) | 6 | 42 | See dates |
Not seen in first class: American Airlines AAdvantage, Avianca LifeMiles, Etihad Guest, GOL Smiles, Air France/KLM Flying Blue, Lufthansa Miles & More, Qantas Frequent Flyer, Turkish Miles & Smiles and Virgin Atlantic Flying Club.
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 | Virgin Atlantic Flying Club | 15,000 pts + $261.50 | 1 | 1 stop | Check this date | ||
| Premium Economy | Delta SkyMiles | 190,000 pts + $58.95 | 1 | 1 stop | Check this date | ||
| Business | Lufthansa Miles & More | 53,015 pts + $932.53 | 3 | 2 stops | Check this date | ||
| Business | American Airlines AAdvantage | 57,500 pts + $1,004.79 | — | 1 stop | Check this date | ||
| Business | Qantas Frequent Flyer | 108,000 pts + $1,024.70 | 1 | 1 stop | Check this date | ||
| Business | Air France/KLM Flying Blue | 144,000 pts + $442.99 | 1 | 1 stop | Check this date | ||
| First | Air Canada Aeroplan | 305,515 pts + $130.50 | 1 | 2 stops | Check this date | ||
| First | United MileagePlus | 366,400 pts + $62.89 | 4 | 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.
Best months to fly from Porto (OPO) to Seattle (SEA) on points
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 15,000 · Virgin Atlantic (2 dates) | 200,000 · SkyMiles (5 dates) | 57,500 · AAdvantage (3 dates) | 305,515 · Aeroplan (1 date) | |
| 25,000 · Flying Blue (2 dates) | 190,000 · SkyMiles (2 dates) | 53,015 · Miles & More (1 date) | 395,000 · MileagePlus (2 dates) | |
| — | — | 57,500 · AAdvantage (1 date) | — | |
| 44,000 · MileagePlus (1 date) | — | 295,000 · MileagePlus (1 date) | — | |
| 15,000 · Virgin Atlantic (1 date) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (2 dates) | — | |
| 15,000 · Virgin Atlantic (2 dates) | 40,000 · AAdvantage (3 dates) | 53,015 · Miles & More (3 dates) | 281,400 · MileagePlus (3 dates) | |
| 15,000 · Virgin Atlantic (2 dates) | 53,706 · Miles & More (4 dates) | 45,280 · Miles & More (4 dates) | 279,600 · MileagePlus (5 dates) | |
| 15,000 · Virgin Atlantic (7 dates) | 53,706 · Miles & More (8 dates) | 45,280 · Miles & More (8 dates) | 280,700 · MileagePlus (18 dates) | |
| 15,000 · Virgin Atlantic (4 dates) | 53,706 · Miles & More (9 dates) | 45,280 · Miles & More (9 dates) | 326,500 · MileagePlus (9 dates) | |
| 75,000 · Miles&Smiles (1 date) | 148,500 · AAdvantage (1 date) | 175,000 · Miles&Smiles (1 date) | — |
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 | — | — | — | — | — |
| Etihad Guest | — | 1:1 · Instant | 1:1 · ~1 day | — | 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 | — | — |
| Virgin Atlantic Flying Club | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 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 Porto (OPO) to Seattle (SEA)
Route calendar
Every departure date with open award seats on OPO→SEA 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 Porto (OPO) to Seattle (SEA)How many miles or points you need from Porto (OPO) to Seattle (SEA)
- In economy, Virgin Atlantic Flying Club had the lowest observed award, 15,000 points + $245.62; see how many points you need with Virgin Atlantic Flying Club.
- In premium economy, American Airlines AAdvantage had the lowest observed award, 40,000 miles + $578.39; see how many miles you need with American Airlines AAdvantage.
- In business class, Lufthansa Miles & More had the lowest observed award, 45,280 miles + $944.59; see how many miles you need with Lufthansa Miles & More.
- In first class, United MileagePlus had the lowest observed award, 279,600 miles + $63.29; see how many miles you need with United MileagePlus.
Questions about award flights from Porto (OPO) to Seattle (SEA)
What's the lowest Porto (OPO) to Seattle (SEA) award price AwardTool has seen?
In economy, 15,000 points + $245.62 with Virgin Atlantic Flying Club. Seen Oct 12, 2026, 08:57 UTC for an Oct 19, 2026 departure. Virgin Atlantic Flying Club showed economy award space on 18 departure dates at any price (newest observation Oct 14, 2026, 18:31 UTC). In business class, 45,280 miles + $944.59 with Lufthansa Miles & More. Lufthansa Miles & More showed business-class award space on 25 departure dates at any price (newest observation Oct 14, 2026, 19:29 UTC). Search live before transferring points.
Which loyalty programs had award space from Porto (OPO) to Seattle (SEA)?
12 programs in the last 30 days: American Airlines AAdvantage (economy 36 dates, premium economy 31 dates, business class 40 dates); Air Canada Aeroplan (economy 39 dates, premium economy 2 dates, business class 11 dates, first class 1 date); Avianca LifeMiles (economy 25 dates); Delta SkyMiles (economy 47 dates, premium economy 38 dates, business class 7 dates, first class 42 dates); Etihad Guest (economy 32 dates, business class 2 dates); GOL Smiles (economy 31 dates, premium economy 11 dates, business class 2 dates); Air France/KLM Flying Blue (economy 50 dates, premium economy 44 dates, business class 47 dates); Lufthansa Miles & More (economy 24 dates, premium economy 21 dates, business class 25 dates) and 4 more. Dates count departure dates with an open award.
Is there nonstop award space from Porto (OPO) to Seattle (SEA)?
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 American Airlines, Air Canada, Air France and Alaska Airlines. That doesn't mean nonstop space never appears.
Which credit card points can book awards from Porto (OPO) to Seattle (SEA)?
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), Virgin Atlantic Flying Club (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Etihad Guest (1:1), Air France/KLM Flying Blue (1:1), Turkish Miles & Smiles (1:1), United MileagePlus (1:1), Virgin Atlantic Flying Club (1:1). Capital One Miles: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Etihad Guest (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Turkish Miles & Smiles (1:1), Virgin Atlantic Flying Club (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1), Air France/KLM Flying Blue (1:1), United MileagePlus (1:1), Virgin Atlantic Flying Club (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Avianca LifeMiles (1:1), Etihad Guest (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Turkish Miles & Smiles (1:1), Virgin Atlantic Flying Club (1:1). Wells Fargo Rewards: Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1), Virgin Atlantic Flying Club (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 Seattle (SEA)?
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 May 2027 departures, 15,000 points with Virgin Atlantic (7 dates); in business class, the lowest award was for May 2027 departures, 45,280 miles with Miles & More (8 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.