Delta SkyMiles award flights from Osaka Kansai (KIX) to Boston (BOS)
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In the last 30 days AwardTool saw Delta SkyMiles award space for KIX→BOS in economy, premium economy and first class. Lowest economy: 88,000 miles + $104.77 (economy space on 4 dates). Lowest first class: 220,000 miles + $104.56 on a mixed-cabin itinerary (part of the trip in a lower cabin; first-class space on 9 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 88,000 miles + $104.77
- economy space on 4 dates
- Lowest first class (mixed cabin)
- 220,000 miles + $104.56
- first-class space on 9 dates · part of the trip in a lower cabin
SkyMiles award prices by cabin
The lowest one-way Delta SkyMiles award AwardTool observed on KIX→BOS in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 88,000 miles + $104.77 | 2 stops | Delta Air Lines (DL), Korean Air (KE) | 1 | 4 | See dates | |
| Premium Economy | 235,000 miles + $104.63 | 2 stops | Delta Air Lines (DL), Korean Air (KE) | 2 | 1 | See dates | |
| First | 220,000 miles + $104.56Mixed cabin | 2 stops | Delta Air Lines (DL), Korean Air (KE) | 1 | 9 | See dates |
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 SkyMiles award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| First | 500,000 miles + $105.17 | 1 | 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.
How often SkyMiles award space showed up
Departure dates in the next 365 days that AwardTool checked for Delta SkyMiles in the last 30 days, how many had award space in each cabin at any price, and the latest departure with space.
| Cabin | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| Economy | 4 of 72 | 5% | |
| Premium Economy | 1 of 72 | 1% | |
| First | 9 of 72 | 12% |
Best months to fly from Osaka Kansai (KIX) to Boston (BOS) with SkyMiles
| Month | Economy | Premium Economy | First |
|---|---|---|---|
| — | — | 500,000 (1 date) | |
| 270,000 (2 dates) | — | 445,000 (2 dates) | |
| — | — | 220,000 (2 dates)Mixed cabin | |
| — | — | 415,000 (1 date) | |
| 88,000 (1 date) | — | 415,000 (2 dates) | |
| 165,000 (1 date) | 235,000 (1 date) | 415,000 (1 date) |
How to get SkyMiles
- American Express Membership Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
SkyMiles vs other programs from Osaka Kansai (KIX) to Boston (BOS)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 50,000 pts + $138.84 | 97,041 pts + $138.20 | 156,866 pts + $135.94Mixed cabin | — |
| Air France/KLM Flying Blue | 54,500 pts + $103.29 | — | — | — |
| Alaska Atmos Rewards | 40,000 pts + $65.63 | 85,000 pts + $85.63 | 300,000 pts + $140.23Mixed cabin | 185,000 pts + $65.99Lowest |
| American Airlines AAdvantage | 35,000 pts + $57.03Lowest | 50,000 pts + $57.03Lowest | — | — |
| Avianca LifeMiles | 55,000 pts + $58.00 | — | — | — |
| Delta SkyMiles | 88,000 pts + $104.77 | 235,000 pts + $104.63 | — | 220,000 pts + $104.56Mixed cabin |
| Emirates Skywards | 40,000 pts + $402.93 | 99,000 pts + $402.93 | 110,000 pts + $1,412.84Lowest | — |
| Etihad Guest | 49,413 pts + $398.93 | — | 117,000 pts + $355.23Mixed cabin | — |
| GOL Smiles | 165,500 pts + taxes not reported | 584,200 pts + taxes not reported | 860,200 pts + taxes not reported | — |
| Qantas Frequent Flyer | 53,900 pts + $437.72 | 114,900 pts + $444.57 | — | 299,300 pts + $1,412.91 |
| Turkish Miles & Smiles | 75,000 pts + taxes not reported | — | 275,000 pts + taxes not reported | — |
| United MileagePlus | 55,000 pts + $65.63 | 71,500 pts + $68.53 | 230,900 pts + $65.99 | 250,000 pts + $65.99 |
Questions about SkyMiles award flights from Osaka Kansai (KIX) to Boston (BOS)
How many miles do you need to fly from Osaka Kansai (KIX) to Boston (BOS) with Delta SkyMiles?
The lowest one-way Delta SkyMiles awards AwardTool observed in the last 30 days (newest observation Oct 18, 2026): economy 88,000 miles + $104.77, with a typical monthly low of 165,000 miles over 3 months and award space on 4 departure dates; first class 220,000 miles + $104.56, a mixed-cabin award, with a typical monthly low of 415,000 miles over 6 months and award space on 9 departure dates. Monthly lows varied in economy (88,000 to 270,000 miles) and first class (220,000 to 500,000 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest SkyMiles award from Osaka Kansai (KIX) to Boston (BOS)?
In economy, 88,000 miles + $104.77. Delta SkyMiles showed economy award space on 4 departure dates at any price (newest observation Oct 18, 2026, 14:16 UTC). In first class, 220,000 miles + $104.56 on a mixed-cabin itinerary (part of the trip in a lower cabin). Delta SkyMiles showed first-class award space on 9 departure dates at any price (newest observation Oct 18, 2026, 14:16 UTC). Search live before transferring points.
Can you book nonstop awards from Osaka Kansai (KIX) to Boston (BOS) with SkyMiles?
AwardTool hasn't observed nonstop Delta SkyMiles award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which credit card points can book SkyMiles awards from Osaka Kansai (KIX) to Boston (BOS)?
American Express Membership Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest SkyMiles award prices from Osaka Kansai (KIX) to Boston (BOS)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers, the lowest economy award AwardTool observed was for Jan 2027 departures: 270,000 miles (2 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.