Award flights from Boston (BOS) to Chitose / Tomakomai (CTS)
In the last 30 days AwardTool saw award space on 2 programs for BOS→CTS. Lowest economy: 35,000 miles + $5.60 (American Airlines AAdvantage). Lowest business: 300,000 points + $49.10 (Alaska Atmos Rewards). Lowest first: 300,000 points + $49.10 (Alaska Atmos Rewards).
Data as of
Award prices last changed . AwardTool checks these routes daily; seats change quickly.
BOS to CTS at a glance
- From
- General Edward Lawrence Logan International, Boston, United States (BOS)
- To
- New Chitose Airport, Chitose / Tomakomai, Japan (CTS)
- Programs with award space seen
- 2 of 2 programs tracked on this route
- Nonstop award space seen
- Not seen in the last 30 days
- Airlines seen on these awards
- American Airlines (AA), Alaska Airlines (AS), Cathay Pacific (CX), Japan Airlines (JL), STARLUX Airlines (JX)
- Departures with open awards
- Oct 2026 to Sep 2027
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to Chitose / Tomakomai (CTS)
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 | 35,000 pts + $5.60 | 2 stops | American Airlines (AA), Alaska Airlines (AS), Japan Airlines (JL) | — | 202 | See dates | |
| Alaska Atmos Rewards | 65,000 pts + $42.80 | 1 stop | Alaska Airlines (AS), Cathay Pacific (CX), STARLUX Airlines (JX) | 8 | 147 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 50,000 pts + $5.60 | 2 stops | American Airlines (AA), Alaska Airlines (AS), Japan Airlines (JL) | — | 36 | See dates | |
| Alaska Atmos Rewards | 92,500 pts + $49.10 | 2 stops | Alaska Airlines (AS), STARLUX Airlines (JX) | 2 | 130 | See dates |
Business
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Alaska Atmos Rewards | 300,000 pts + $49.10 | 2 stopsMixed cabin | Alaska Airlines (AS), STARLUX Airlines (JX) | 2 | 134 | See dates |
Not seen in business: American Airlines AAdvantage.
First
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Alaska Atmos Rewards | 300,000 pts + $49.10 | 2 stops | Alaska Airlines (AS), STARLUX Airlines (JX) | 2 | 164 | See dates |
Not seen in first: American Airlines AAdvantage.
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 | 35,000 pts + $5.60 | — | 2 stops | Check this date | ||
| Premium Economy | American Airlines AAdvantage | 50,000 pts + $5.60 | — | 2 stops | Check this date | ||
| Business | Alaska Atmos Rewards | 300,000 pts + $49.10 | 2 | 2 stops | Check this date | ||
| First | Alaska Atmos Rewards | 300,000 pts + $49.10 | 2 | 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 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 BOS to CTS on points
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 35,000 · AAdvantage (5 dates) | — | 300,000 · Atmos (3 dates) | — | |
| 35,000 · AAdvantage (25 dates) | 50,000 · AAdvantage (1 date) | 300,000 · Atmos (13 dates) | 300,000 · Atmos (6 dates) | |
| 35,000 · AAdvantage (7 dates) | 50,000 · AAdvantage (1 date) | 300,000 · Atmos (5 dates) | 300,000 · Atmos (6 dates) | |
| 35,000 · AAdvantage (30 dates) | 50,000 · AAdvantage (6 dates) | — | 300,000 · Atmos (1 date) | |
| 35,000 · AAdvantage (25 dates) | 50,000 · AAdvantage (8 dates) | — | 300,000 · Atmos (4 dates) | |
| 35,000 · AAdvantage (12 dates) | 170,000 · Atmos (17 dates) | 300,000 · Atmos (6 dates) | 300,000 · Atmos (30 dates) | |
| 35,000 · AAdvantage (19 dates) | 92,500 · Atmos (23 dates) | 300,000 · Atmos (10 dates) | 300,000 · Atmos (24 dates) | |
| 35,000 · AAdvantage (19 dates) | 170,000 · Atmos (25 dates) | 300,000 · Atmos (28 dates) | 300,000 · Atmos (30 dates) | |
| 35,000 · AAdvantage (11 dates) | 170,000 · Atmos (23 dates) | 300,000 · Atmos (28 dates) | 300,000 · Atmos (20 dates) | |
| 35,000 · AAdvantage (29 dates) | 50,000 · AAdvantage (10 dates) | 300,000 · Atmos (25 dates) | 300,000 · Atmos (25 dates) | |
| 35,000 · AAdvantage (17 dates) | 50,000 · AAdvantage (8 dates) | 300,000 · Atmos (14 dates) | 300,000 · Atmos (16 dates) | |
| 35,000 · AAdvantage (3 dates) | 50,000 · AAdvantage (2 dates) | 300,000 · Atmos (2 dates) | 300,000 · Atmos (2 dates) |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Alaska Atmos Rewards | — | 1:1 · ~1 day | — | — | — | — |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
Check current transfer bonuses. Most transfers can't be reversed.
Search, calendar and alerts for BOS to CTS
Route calendar
Every departure date with open award seats on BOS→CTS 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 BOS to CTSQuestions about BOS to CTS award flights
What's the lowest Boston to Chitose / Tomakomai award price AwardTool has seen?
In economy, 35,000 miles + $5.60 with American Airlines AAdvantage. American Airlines AAdvantage showed economy award space on 202 departure dates (newest observation Oct 15, 2026, 15:53 UTC). In business, 300,000 points + $49.10 with Alaska Atmos Rewards. Alaska Atmos Rewards showed business award space on 134 departure dates (newest observation Oct 14, 2026, 18:02 UTC). Search live before transferring points.
Which loyalty programs had award space on BOS→CTS?
2 programs in the last 30 days: American Airlines AAdvantage (economy 202 dates, premium economy 36 dates); Alaska Atmos Rewards (economy 147 dates, premium economy 130 dates, business 134 dates, first 164 dates). Dates count departure dates with an open award.
Is there nonstop award space from BOS to CTS?
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 American Airlines, Alaska Airlines, Cathay Pacific and Japan Airlines. That doesn't mean nonstop space never appears.
Which credit card points transfer to these programs?
Bilt Rewards: Alaska Atmos Rewards (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 BOS→CTS 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 Jan 2027 departures, 35,000 miles with AAdvantage (30 dates); in business, the lowest award was for May 2027 departures, 300,000 points with Atmos (28 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.