Business-class award flights from Boston (BOS) to Sofia (SOF)
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In the last 30 days AwardTool saw business-class award space on 3 programs for BOS→SOF. Lowest: 75,000 points + $102.31 with Air Canada Aeroplan, which showed business-class award space on 9 dates. No nonstop business-class award was seen in the last 30 days.
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest observed
- 75,000 points + $102.31
- Air Canada Aeroplan
- Programs with space
- 3 of 3
- programs seen on this route
- Most dates seen
- 9 of 12
- dates checked · Air Canada Aeroplan
- Nonstop
- Not seen
- in the last 30 days
Compare programs for business class
The lowest one-way business-class award each program showed on BOS→SOF, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Air Canada AeroplanLowest observed | 75,000 pts + $102.31 | 1 stop | Eurowings Discover (4Y), Air Canada (AC), Emirates (EK), flydubai (FZ) +4 more | 4 | 9 | See dates | |
| United MileagePlus | 88,000 pts + $32.20 | 1 stop | Aegean Airlines (A3), Air Canada (AC), JetBlue (B6), Lufthansa (LH) +4 more | 4 | 6 | See dates | |
| Air France/KLM Flying Blue | 343,000 pts + $370.40 | 2 stops | Air France (AF), KLM (KL), TAROM (RO) | 1 | 2 | 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 business-class award examples
| Departure | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Air Canada Aeroplan | 75,000 pts + $119.51 | 9+ | 1 stop | Check this date | ||
| United MileagePlus | 88,000 pts + $49.40 | 9+ | 1 stop | Check this date | ||
| Air Canada Aeroplan | 187,582 pts + $131.41 | 3 | 3 stops | Check this date | ||
| United MileagePlus | 200,000 pts + $49.70 | 9+ | 2 stops | Check this date | ||
| Air France/KLM Flying Blue | 343,000 pts + $370.40 | 1 | 2 stops | Check this date | ||
| Air France/KLM Flying Blue | 700,000 pts + $372.20 | 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 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 business-class award space showed up
Departure dates in the next 365 days that AwardTool checked for each program in the last 30 days, how many had business-class award space at any price, and the latest departure with space.
| Program | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| Air Canada Aeroplan | 9 of 12 | 75% | |
| United MileagePlus | 6 of 12 | 50% | |
| Air France/KLM Flying Blue | 2 of 13 | 15% |
Best months for business class from Boston (BOS) to Sofia (SOF)
| Month | Lowest observed | Program | Dates |
|---|---|---|---|
| 75,000 pts + taxes vary | Air Canada Aeroplan | 1 | |
| 187,582 pts + taxes vary | Air Canada Aeroplan | 2 | |
| 327,385 pts + taxes vary | Air Canada Aeroplan | 1 | |
| 75,000 pts + taxes vary | Air Canada Aeroplan | 3 | |
| 335,300 pts + taxes vary | Air Canada Aeroplan | 2 |
Lowest business class award by month and program
Each program's lowest one-way business-class award by departure month, in its own points or miles; taxes vary. — means the program showed no business-class space that month.
| Program | |||||
|---|---|---|---|---|---|
| Air Canada Aeroplanpoints | 75,000 | 187,582 | 327,385 | 75,000 | 335,300 |
| United MileagePlusmiles | 88,000 | — | 395,000 | 88,000 | — |
| Air France/KLM Flying Bluemiles | 343,000 | — | — | — | — |
Airlines seen in business class
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- Eurowings Discover (4Y): Air Canada Aeroplan
- Aegean Airlines (A3): United MileagePlus
- Air Canada (AC): Air Canada Aeroplan and United MileagePlus
- Air France (AF): Air France/KLM Flying Blue
- JetBlue (B6): United MileagePlus
- Emirates (EK): Air Canada Aeroplan
- flydubai (FZ): Air Canada Aeroplan
- KLM (KL): Air France/KLM Flying Blue
- Lufthansa (LH): Air Canada Aeroplan and United MileagePlus
- LOT Polish Airlines (LO): United MileagePlus
- Austrian (OS): Air Canada Aeroplan and United MileagePlus
- TAROM (RO): Air France/KLM Flying Blue
- United Airlines (UA): Air Canada Aeroplan and United MileagePlus
- Lufthansa City Airlines (VL): Air Canada Aeroplan and United MileagePlus
Business class on nearby routes
The lowest business-class award AwardTool observed on related routes, as each route's page shows it: the return direction, other airports in the same cities, and more routes from Boston (BOS) and to Sofia (SOF). One way, in the program's points or miles; taxes are on each route's page.
| Route | Lowest observed | Program | Dates seen |
|---|---|---|---|
| Boston (BOS) to London Heathrow (LHR)Also from BOS | 29,000 pointsNonstop | Virgin Atlantic Flying Club | 304 |
| Boston (BOS) to Amsterdam (AMS)Also from BOS | 60,000 points | Air Canada Aeroplan | 327 |
| Boston (BOS) to Madrid (MAD)Also from BOS | 45,000 pointsNonstop | Alaska Atmos Rewards | 271 |
| Boston (BOS) to Barcelona (BCN)Also from BOS | 45,000 points | Alaska Atmos Rewards | 285 |
| Bucharest (OTP) to Sofia (SOF)Also to SOF | 25,000 milesNonstop | Delta SkyMiles | 208 |
| San Francisco (SFO) to Sofia (SOF)Also to SOF | 57,500 miles | American Airlines AAdvantage | 5 |
| Chicago O’Hare (ORD) to Sofia (SOF)Also to SOF | 57,500 miles | American Airlines AAdvantage | 7 |
| Los Angeles (LAX) to Sofia (SOF)Also to SOF | 57,500 miles | American Airlines AAdvantage | 5 |
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 |
| United MileagePlus | — | 1:1 · Instant | — | 1:1 · Instant | — | — |
Check current transfer bonuses. Most transfers can't be reversed.
Questions about business-class award flights from Boston (BOS) to Sofia (SOF)
What's the lowest business-class award from Boston (BOS) to Sofia (SOF)?
75,000 points + $102.31 with Air Canada Aeroplan. Seen Oct 12, 2026, 15:39 UTC for an Oct 21, 2026 departure. Air Canada Aeroplan showed business-class award space on 9 departure dates at any price (newest observation Oct 12, 2026, 15:39 UTC). Search live before transferring points.
Which programs had business-class award space from Boston (BOS) to Sofia (SOF)?
Air Canada Aeroplan (9 dates), United MileagePlus (6 dates) and Air France/KLM Flying Blue (2 dates), in the last 30 days.
Is there nonstop business-class award space from Boston (BOS) to Sofia (SOF)?
AwardTool hasn't observed nonstop business-class award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which months had the lowest business-class award prices from Boston (BOS) to Sofia (SOF)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers, the lowest business-class award AwardTool observed was for Jul 2027 departures: 75,000 points with Aeroplan (3 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.