Business-class award flights from Denver (DEN) to Sofia (SOF)
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In the last 30 days AwardTool saw business-class award space on 4 programs for DEN→SOF. Lowest: 57,500 miles + $30.40 with American Airlines AAdvantage, which showed business-class award space on 2 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
- 57,500 miles + $30.40
- American Airlines AAdvantage
- Programs with space
- 4 of 4
- programs seen on this route
- Most dates seen
- 8 of 13
- dates checked · United MileagePlus
- Nonstop
- Not seen
- in the last 30 days
Compare programs for business class
The lowest one-way business-class award each program showed on DEN→SOF, sorted by points.
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 57,500 pts + $30.40 | 2 stops | American Airlines (AA), Alaska Airlines (AS), British Airways (BA) | — | 2 | See dates | |
| Alaska Atmos Rewards | 85,000 pts + $1,023.20Mixed cabin | 2 stops | American Airlines (AA), Alaska Airlines (AS), British Airways (BA) | 9+ | 2 | See dates | |
| United MileagePlus | 88,000 pts + $28.30Mixed cabin | 2 stops | Eurowings Discover (4Y), Aegean Airlines (A3), ITA Airways (AZ), Lufthansa (LH) +6 more | 4 | 8 | See dates | |
| Air Canada Aeroplan | 90,000 pts + $98.41Mixed cabin | 2 stops | Air Canada (AC), Lufthansa (LH), United Airlines (UA), Lufthansa City Airlines (VL) | 4 | 4 | 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) | |
|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 57,500 pts + $30.40 | — | 2 stops | Check this date | ||
| American Airlines AAdvantage | 57,500 pts + $762.90 | — | 3 stops | Check this date | ||
| Alaska Atmos Rewards | 85,000 pts + $1,023.20Mixed cabin | 9+ | 2 stops | Check this date | ||
| United MileagePlus | 88,000 pts + $28.30Mixed cabin | 4 | 2 stops | Check this date | ||
| United MileagePlus | 88,000 pts + $49.40Mixed cabin | 4 | 2 stops | Check this date | ||
| Air Canada Aeroplan | 90,000 pts + $98.41Mixed cabin | 4 | 2 stops | Check this date | ||
| Alaska Atmos Rewards | 110,000 pts + $1,498.90 | 9+ | 2 stops | Check this date | ||
| Air Canada Aeroplan | 227,346 pts + $128.61 | 9+ | 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 |
|---|---|---|---|
| American Airlines AAdvantage | 2 of 11 | 18% | |
| Alaska Atmos Rewards | 2 of 11 | 18% | |
| United MileagePlus | 8 of 13 | 61% | |
| Air Canada Aeroplan | 4 of 11 | 36% |
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 | ||
|---|---|---|
| American Airlines AAdvantagemiles | 57,500 | 57,500 |
| Alaska Atmos Rewardspoints | 85,000Mixed cabin | 110,000 |
| United MileagePlusmiles | 88,000Mixed cabin | 200,000 |
| Air Canada Aeroplanpoints | 90,000Mixed cabin | 227,346 |
Airlines seen in business class
Airlines that appeared on the award itineraries AwardTool observed, and the programs that showed them.
- Eurowings Discover (4Y): United MileagePlus
- Aegean Airlines (A3): United MileagePlus
- American Airlines (AA): American Airlines AAdvantage and Alaska Atmos Rewards
- Air Canada (AC): Air Canada Aeroplan
- Alaska Airlines (AS): American Airlines AAdvantage and Alaska Atmos Rewards
- ITA Airways (AZ): United MileagePlus
- British Airways (BA): American Airlines AAdvantage and Alaska Atmos Rewards
- Lufthansa (LH): United MileagePlus and Air Canada Aeroplan
- LOT Polish Airlines (LO): United MileagePlus
- SWISS (LX): United MileagePlus
- Austrian (OS): United MileagePlus
- Turkish Airlines (TK): United MileagePlus
- United Airlines (UA): United MileagePlus and Air Canada Aeroplan
- Lufthansa City Airlines (VL): United MileagePlus and Air Canada Aeroplan
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 Denver (DEN) 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 |
|---|---|---|---|
| Denver (DEN) to London Heathrow (LHR)Also from DEN | 55,000 pointsNonstop | Alaska Atmos Rewards | 92 |
| Denver (DEN) to Paris Charles de Gaulle (CDG)Also from DEN | 55,000 points | Alaska Atmos Rewards | 58 |
| Denver (DEN) to Dublin (DUB)Also from DEN | 55,000 points | Alaska Atmos Rewards | 57 |
| Denver (DEN) to Frankfurt (FRA)Also from DEN | 55,000 points | Alaska Atmos Rewards | 37 |
| 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 | — | — |
| 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.
Questions about business-class award flights from Denver (DEN) to Sofia (SOF)
What's the lowest business-class award from Denver (DEN) to Sofia (SOF)?
57,500 miles + $30.40 with American Airlines AAdvantage. Seen Oct 15, 2026, 16:40 UTC for a Nov 7, 2026 departure. American Airlines AAdvantage showed business-class award space on 2 departure dates at any price (newest observation Oct 15, 2026, 16:40 UTC). Search live before transferring points.
Which programs had business-class award space from Denver (DEN) to Sofia (SOF)?
American Airlines AAdvantage (2 dates), Alaska Atmos Rewards (2 dates), United MileagePlus (8 dates) and Air Canada Aeroplan (4 dates), in the last 30 days.
Is there nonstop business-class award space from Denver (DEN) 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.