Award flights from Boston (BOS) to Kos (KGS)
In the last 30 days AwardTool saw award space on 4 programs for BOS→KGS. Lowest economy: 22,500 miles + $13.50 (American Airlines AAdvantage). Lowest business class: 57,500 miles + $35.20 (American Airlines AAdvantage). Lowest premium economy: 40,000 miles + $18.30 (American Airlines AAdvantage).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
Boston (BOS) to Kos (KGS) at a glance
- From
- General Edward Lawrence Logan International, Boston, Massachusetts, United States (BOS)
- To
- Kos Airport, Kos, Greece (KGS)
- Programs with award space seen
- 4 of 6 programs tracked on this route
- Nonstop award space seen
- Not seen in the last 30 days
- Airlines seen on these awards
- Eurowings Discover (4Y), Aegean Airlines (A3), American Airlines (AA), Air Canada (AC), Finnair (AY), ITA Airways (AZ), JetBlue (B6), British Airways (BA), Condor (DE), Aer Lingus (EI), Emirates (EK), Air Dolomiti (EN) and 13 more
- Departures with open awards
- Oct 2026 to Sep 2027
- Observation window
- Awards observed in the last 30 days
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 + $13.50 | 2 stops | American Airlines (AA), Finnair (AY), British Airways (BA), IBERIA (IB) | — | 126 | See dates | |
| Alaska Atmos Rewards | 35,000 pts + $118.00 | 1 stop | American Airlines (AA), Finnair (AY), British Airways (BA), Condor (DE) | 4 | 3 | See dates | |
| Air Canada Aeroplan | 42,500 pts + $92.41 | 1 stop | Eurowings Discover (4Y), Aegean Airlines (A3), Air Canada (AC), ITA Airways (AZ) +9 more | 9+ | 113 | See dates | |
| United MileagePlus | 44,000 pts + $28.30 | 2 stops | Eurowings Discover (4Y), Aegean Airlines (A3), Air Canada (AC), ITA Airways (AZ) +14 more | 9+ | 242 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 40,000 pts + $18.30 | 3 stops | American Airlines (AA), Finnair (AY), British Airways (BA) | — | 67 | See dates | |
| Alaska Atmos Rewards | 45,000 pts + $118.00 | 1 stop | Condor (DE) | 9+ | 32 | See dates | |
| United MileagePlus | 55,000 pts + $28.30 | 2 stops | Eurowings Discover (4Y), Aegean Airlines (A3), ITA Airways (AZ), JetBlue (B6) +5 more | 6 | 190 | See dates | |
| Air Canada Aeroplan | 66,585 pts + $101.11 | 3 stops | Eurowings Discover (4Y), Aegean Airlines (A3), Air Canada (AC), Emirates (EK) +3 more | 3 | 54 | See dates |
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), Finnair (AY), British Airways (BA), IBERIA (IB) | — | 79 | See dates | |
| Air Canada Aeroplan | 75,000 pts + $92.41 | 1 stop | Eurowings Discover (4Y), Aegean Airlines (A3), Air Canada (AC), Emirates (EK) +4 more | 1 | 64 | See dates | |
| United MileagePlus | 88,000 pts + $28.30 | 2 stops | Eurowings Discover (4Y), Aegean Airlines (A3), Air Canada (AC), ITA Airways (AZ) +14 more | 1 | 199 | See dates | |
| Alaska Atmos Rewards | 260,000 pts + $118.00 | 1 stopMixed cabin | Condor (DE) | 9+ | 32 | See dates |
First class: 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 | American Airlines AAdvantage | 22,500 pts + $13.50 | — | 2 stops | Check this date | ||
| Economy | Alaska Atmos Rewards | 42,500 pts + $52.70 | 2 | 2 stops | Check this date | ||
| Premium Economy | American Airlines AAdvantage | 40,000 pts + $563.10 | — | 1 stop | Check this date | ||
| Business | Air Canada Aeroplan | 75,000 pts + $119.41 | 7 | 1 stop | Check this date | ||
| Business | United MileagePlus | 88,000 pts + $47.90 | 1 | 3 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 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.
Best months to fly from Boston (BOS) to Kos (KGS) on points
| Month | Economy | Premium Economy | Business |
|---|---|---|---|
| 30,000 · AAdvantage (13 dates) | 40,000 · AAdvantage (4 dates) | 57,500 · AAdvantage (7 dates) | |
| 22,500 · AAdvantage (8 dates) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (2 dates) | |
| 44,000 · MileagePlus (18 dates) | 55,000 · MileagePlus (18 dates) | 88,000 · MileagePlus (18 dates) | |
| 44,000 · MileagePlus (21 dates) | 55,000 · MileagePlus (21 dates) | 88,000 · MileagePlus (21 dates) | |
| 44,000 · MileagePlus (26 dates) | 55,000 · MileagePlus (26 dates) | 88,000 · MileagePlus (26 dates) | |
| 30,000 · AAdvantage (2 dates) | 40,000 · AAdvantage (2 dates) | 57,500 · AAdvantage (2 dates) | |
| 30,000 · AAdvantage (23 dates) | 40,000 · AAdvantage (9 dates) | 57,500 · AAdvantage (11 dates) | |
| 30,000 · AAdvantage (22 dates) | 40,000 · AAdvantage (13 dates) | 57,500 · AAdvantage (13 dates) | |
| 30,000 · AAdvantage (19 dates) | 40,000 · AAdvantage (11 dates) | 57,500 · AAdvantage (14 dates) | |
| 30,000 · AAdvantage (16 dates) | 40,000 · AAdvantage (12 dates) | 57,500 · AAdvantage (13 dates) | |
| 30,000 · AAdvantage (21 dates) | 40,000 · AAdvantage (13 dates) | 57,500 · AAdvantage (15 dates) | |
| 30,000 · AAdvantage (2 dates) | 40,000 · AAdvantage (2 dates) | 57,500 · 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 | — | — |
| Alaska Atmos Rewards | — | 1:1 · ~1 day | — | — | — | — |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| United MileagePlus | — | 1:1 · Instant | — | 1:1 · Instant | — | — |
Check current transfer bonuses. Most transfers can't be reversed.
Search, calendar and alerts from Boston (BOS) to Kos (KGS)
Route calendar
Every departure date with open award seats on BOS→KGS for United MileagePlus and the other programs: a limited window on the free plan and 365 days with Pro.
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Search Boston (BOS) to Kos (KGS)Questions about award flights from Boston (BOS) to Kos (KGS)
What's the lowest Boston (BOS) to Kos (KGS) award price AwardTool has seen?
In economy, 22,500 miles + $13.50 with American Airlines AAdvantage. American Airlines AAdvantage showed economy award space on 126 departure dates (newest observation Oct 11, 2026, 20:44 UTC). In business class, 57,500 miles + $35.20 with American Airlines AAdvantage. American Airlines AAdvantage showed business-class award space on 79 departure dates (newest observation Oct 11, 2026, 20:44 UTC). Search live before transferring points.
Which loyalty programs had award space from Boston (BOS) to Kos (KGS)?
4 programs in the last 30 days: American Airlines AAdvantage (economy 126 dates, premium economy 67 dates, business class 79 dates); Air Canada Aeroplan (economy 113 dates, premium economy 54 dates, business class 64 dates); Alaska Atmos Rewards (economy 3 dates, premium economy 32 dates, business class 32 dates); United MileagePlus (economy 242 dates, premium economy 190 dates, business class 199 dates). Dates count departure dates with an open award.
Is there nonstop award space from Boston (BOS) to Kos (KGS)?
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 Eurowings Discover, Aegean Airlines, American Airlines and Air Canada. That doesn't mean nonstop space never appears.
Which credit card points can book awards from Boston (BOS) to Kos (KGS)?
American Express Membership Rewards: Air Canada Aeroplan (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Alaska Atmos Rewards (1:1), United MileagePlus (1:1). Capital One Miles: Air Canada Aeroplan (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1), United MileagePlus (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.
Which months had the lowest award prices from Boston (BOS) to Kos (KGS)?
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 (8 dates); in business class, the lowest award was for Aug 2027 departures, 57,500 miles with AAdvantage (15 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.