Award flights from Seattle (SEA) to Philadelphia (PHL)
In the last 30 days AwardTool saw award space on 7 programs for SEA→PHL. Lowest economy: 12,500 points + $5.60 (Alaska Atmos Rewards). Lowest business: 43,600 points + $5.60 (Qantas Frequent Flyer). Lowest first: 25,000 miles + $5.60 (American Airlines AAdvantage).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
SEA to PHL at a glance
- From
- Seattle-Tacoma International, Seattle, United States (SEA)
- To
- Philadelphia International, Philadelphia, United States (PHL)
- Programs with award space seen
- 7 of 7 programs tracked on this route
- Nonstop award space seen
- Yes, in economy, business and first, via American Airlines AAdvantage, Air Canada Aeroplan, Alaska Atmos Rewards, Avianca LifeMiles, Qantas Frequent Flyer and Virgin Atlantic Flying Club
- Airlines seen on these awards
- American Airlines (AA), Alaska Airlines (AS), JetBlue (B6), Delta Air Lines (DL), United Airlines (UA)
- Departures with open awards
- Oct 2026 to Sep 2027
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to Philadelphia (PHL)
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 | |
|---|---|---|---|---|---|---|---|
| Alaska Atmos RewardsLowest observed | 12,500 pts + $5.60 | Nonstop | American Airlines (AA), Alaska Airlines (AS) | 9+ | 329 | See dates | |
| American Airlines AAdvantage | 12,500 pts + $5.60 | Nonstop | American Airlines (AA), Alaska Airlines (AS) | — | 275 | See dates | |
| United MileagePlus | 15,000 pts + $5.60 | 2 stops | JetBlue (B6), United Airlines (UA) | 6 | 318 | See dates | |
| Avianca LifeMiles | 16,340 pts + $58.00 | Nonstop | United Airlines (UA) | 9+ | 149 | See dates | |
| Air Canada Aeroplan | 17,500 pts + $33.01 | Nonstop | United Airlines (UA) | 9+ | 212 | See dates | |
| Qantas Frequent Flyer | 20,700 pts + $5.60 | Nonstop | American Airlines (AA), Alaska Airlines (AS) | 2 | 313 | See dates | |
| Virgin Atlantic Flying Club | 22,000 pts + $5.60 | Nonstop | Delta Air Lines (DL) | 1 | 201 | See dates |
Business
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Qantas Frequent Flyer | 43,600 pts + $5.60 | Nonstop | American Airlines (AA), Alaska Airlines (AS) | 2 | 306 | See dates |
Not seen in business: American Airlines AAdvantage, Air Canada Aeroplan, Alaska Atmos Rewards, Avianca LifeMiles, United MileagePlus and Virgin Atlantic Flying Club.
First
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 25,000 pts + $5.60 | Nonstop | American Airlines (AA), Alaska Airlines (AS) | 1 | 275 | See dates | |
| Alaska Atmos Rewards | 30,000 pts + $5.60 | Nonstop | American Airlines (AA), Alaska Airlines (AS) | 3 | 329 | See dates | |
| Air Canada Aeroplan | 30,000 pts + $33.01 | 1 stop | United Airlines (UA) | 1 | 5 | See dates | |
| United MileagePlus | 60,300 pts + $5.60 | 1 stop | United Airlines (UA) | 9+ | 318 | See dates | |
| Virgin Atlantic Flying Club | 101,000 pts + $11.20 | 1 stop | Delta Air Lines (DL) | 1 | 2 | See dates |
Not seen in first: Avianca LifeMiles and Qantas Frequent Flyer.
Premium Economy: not seen in the last 30 days.
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 | Alaska Atmos Rewards | 12,500 pts + $5.60 | 9+ | Nonstop | Check this date | ||
| Economy | Avianca LifeMiles | 16,340 pts + $5.60 | 9+ | 1 stop | Check this date | ||
| Economy | Virgin Atlantic Flying Club | 22,000 pts + $5.60 | 1 | Nonstop | Check this date | ||
| Business | Qantas Frequent Flyer | 43,600 pts + $5.60 | 2 | Nonstop | Check this date | ||
| First | American Airlines AAdvantage | 25,000 pts + $5.60 | 1 | Nonstop | Check this date | ||
| First | Air Canada Aeroplan | 30,000 pts + $38.61 | 1 | 1 stop | Check this date | ||
| First | United MileagePlus | 60,300 pts + $5.60 | 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 at the time shown. 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 from 12,500 points via Alaska Atmos Rewards, which showed nonstop space on 329 dates (6 programs had nonstop space).
- Business: nonstop from 43,600 points via Qantas Frequent Flyer, which showed nonstop space on 195 dates.
- First: nonstop from 25,000 miles via American Airlines AAdvantage, which showed nonstop space on 275 dates (2 programs had nonstop space).
Best months to fly SEA to PHL on points
| Month | Economy | Business | First |
|---|---|---|---|
| 12,500 · AAdvantage (16 dates) | 43,600 · Qantas (15 dates) | 25,000 · AAdvantage (16 dates) | |
| 12,500 · Atmos (30 dates) | 43,600 · Qantas (25 dates) | 25,000 · AAdvantage (28 dates) | |
| 12,500 · Atmos (31 dates) | 43,600 · Qantas (26 dates) | 25,000 · AAdvantage (25 dates) | |
| 12,500 · AAdvantage (31 dates) | 43,600 · Qantas (31 dates) | 25,000 · AAdvantage (31 dates) | |
| 12,500 · AAdvantage (23 dates) | 43,600 · Qantas (28 dates) | 25,000 · AAdvantage (23 dates) | |
| 12,500 · AAdvantage (29 dates) | 43,600 · Qantas (30 dates) | 25,000 · AAdvantage (29 dates) | |
| 12,500 · AAdvantage (30 dates) | 43,600 · Qantas (25 dates) | 25,000 · AAdvantage (30 dates) | |
| 12,500 · AAdvantage (16 dates) | 43,600 · Qantas (26 dates) | 25,000 · AAdvantage (16 dates) | |
| 12,500 · AAdvantage (29 dates) | 43,600 · Qantas (30 dates) | 25,000 · AAdvantage (29 dates) | |
| 12,500 · AAdvantage (25 dates) | 43,600 · Qantas (30 dates) | 25,000 · AAdvantage (25 dates) | |
| 12,500 · AAdvantage (18 dates) | 43,600 · Qantas (31 dates) | 25,000 · AAdvantage (18 dates) | |
| 15,500 · AAdvantage (5 dates) | 43,600 · Qantas (9 dates) | 25,000 · AAdvantage (5 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 | — | — |
| Alaska Atmos Rewards | — | 1:1 · ~1 day | — | — | — | — |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| Avianca LifeMiles | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | 1:1 · Instant | 1:1 · Instant |
| Qantas Frequent Flyer | 1:1 · Instant | — | 1:1 · ~1-2 days | — | 1:1 · Instant | — |
| 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.
Search, calendar and alerts for SEA to PHL
Route calendar
Every departure date with open award seats on SEA→PHL for Alaska Atmos Rewards and the other programs: a limited window on the free plan and 365 days with Pro.
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Search SEA to PHLQuestions about SEA to PHL award flights
What's the lowest Seattle to Philadelphia award price AwardTool has seen?
In economy, 12,500 points + $5.60 with Alaska Atmos Rewards. Alaska Atmos Rewards showed economy award space on 329 departure dates (newest observation Oct 14, 2026, 21:47 UTC). In business, 43,600 points + $5.60 with Qantas Frequent Flyer. Qantas Frequent Flyer showed business award space on 306 departure dates (newest observation Oct 16, 2026, 01:12 UTC). Search live before transferring points.
Which loyalty programs had award space on SEA→PHL?
7 programs in the last 30 days: American Airlines AAdvantage (economy 275 dates, first 275 dates); Air Canada Aeroplan (economy 212 dates, first 5 dates); Alaska Atmos Rewards (economy 329 dates, first 329 dates); Avianca LifeMiles (economy 149 dates); Qantas Frequent Flyer (economy 313 dates, business 306 dates); United MileagePlus (economy 318 dates, first 318 dates); Virgin Atlantic Flying Club (economy 201 dates, first 2 dates). Dates count departure dates with an open award.
Is there nonstop award space from SEA to PHL?
Yes. AwardTool observed nonstop award space in economy, business and first, bookable via American Airlines AAdvantage, Air Canada Aeroplan, Alaska Atmos Rewards, Avianca LifeMiles, Qantas Frequent Flyer and Virgin Atlantic Flying Club. The lowest nonstop award in economy was 12,500 points with Alaska Atmos Rewards.
Which credit card points transfer to these programs?
American Express Membership Rewards: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Qantas Frequent Flyer (1:1), Virgin Atlantic Flying Club (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Alaska Atmos Rewards (1:1), Avianca LifeMiles (1:1), United MileagePlus (1:1), Virgin Atlantic Flying Club (1:1). Capital One Miles: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Qantas Frequent Flyer (1:1), Virgin Atlantic Flying Club (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1), United MileagePlus (1:1), Virgin Atlantic Flying Club (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Avianca LifeMiles (1:1), Qantas Frequent Flyer (1:1), Virgin Atlantic Flying Club (1:1). Wells Fargo Rewards: Avianca LifeMiles (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 SEA→PHL award prices?
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 Dec 2026 departures, 12,500 points with Atmos (31 dates); in business, the lowest award was for Jan 2027 departures, 43,600 points with Qantas (31 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.