United MileagePlus award flights from Miami (MIA) to Boston (BOS)
In the last 30 days AwardTool saw United MileagePlus award space for MIA→BOS in economy, business class and first class. Lowest economy: 14,400 miles + $5.60 (economy space on 48 dates). Lowest business class: 30,000 miles + $5.60 on a mixed-cabin itinerary (part of the trip in a lower cabin; business-class space on 9 dates).
Every airport: Miami to Boston (BOS) award flights.
Prices observed – ; newest observation .
Page regenerated from the Nov 12, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 14,400 miles + $5.60
- economy space on 48 dates
- Lowest business class (mixed cabin)
- 30,000 miles + $5.60
- business-class space on 9 dates · part of the trip in a lower cabin
- Lowest first class
- 44,300 miles + $5.60
- first-class space on 48 dates
In economy, 14,400 miles + $5.60 with United MileagePlus was the 5th lowest of the 14 programs with economy award space on this route; the lowest was 7,500 points + $25.60 with Alaska Atmos Rewards. With United MileagePlus, first class started at 44,300 miles + $5.60, about 3.1 times the points of its lowest economy award (14,400 miles + $5.60).
MileagePlus award prices by cabin
The lowest one-way United MileagePlus award AwardTool observed on MIA→BOS in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 14,400 miles + $5.60 | 1 stopNonstop from 20,000 pts + taxes vary |  B6 UA | 9+ | 48 | See dates | |
| Business | 30,000 miles + $5.60Mixed cabin | 2 stops | B6UA | 2 | 9 | See dates | |
| First | 44,300 miles + $5.60 | 1 stop | B6UA | 9+ | 48 | 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 MileagePlus award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 14,400 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Economy | 14,400 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Economy | 14,400 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Business | 30,000 miles + $5.60Mixed cabin | 2 | 2 stops | Check this date | ||
| Business | 58,900 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| First | 44,300 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| First | 44,300 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| First | 44,300 miles + $5.60 | 9+ | 1 stop | 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 MileagePlus award space showed up
Departure dates in the next 365 days that AwardTool checked for United MileagePlus 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 | 48 of 48 | 100% | |
| Business | 9 of 48 | 18% | |
| First | 48 of 48 | 100% |
Best months to fly from Miami (MIA) to Boston (BOS) with MileagePlus
| Month | Economy | Business | First |
|---|---|---|---|
| 15,000 miles + taxes not reported (13 dates) | 30,000 miles + $5.60 (5 dates)Mixed cabin | 46,400 miles + taxes not reported (13 dates) | |
| 14,400 miles + $5.60 (11 dates) | 100,000 miles + taxes not reported (1 date) | 44,300 miles + $5.60 (11 dates) | |
| 14,400 miles + $5.60 (10 dates) | 100,000 miles + taxes not reported (2 dates) | 44,300 miles + $5.60 (10 dates) | |
| 15,000 miles + taxes not reported (4 dates) | — | 53,900 miles + taxes not reported (4 dates) | |
| 31,600 miles + taxes not reported (2 dates) | — | 65,400 miles + taxes not reported (2 dates) | |
| 15,000 miles + taxes not reported (7 dates) | 100,000 miles + taxes not reported (1 date) | 54,100 miles + taxes not reported (7 dates) | |
| 15,000 miles + taxes not reported (1 date) | — | 62,300 miles + taxes not reported (1 date) |
A month's taxes are those of an award AwardTool recorded at that month's lowest price for a departure that month. “Taxes not reported” means the data has none for that month; the award still has taxes and fees.
How to get MileagePlus miles
- Bilt Rewards: 1:1 · Instant
- Chase Ultimate Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
MileagePlus vs other programs from Miami (MIA) to Boston (BOS)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 15,000 pts + $32.96 | — | — | 30,000 pts + $32.94Mixed cabin |
| Air France/KLM Flying Blue | 13,000 pts + $20.11 | — | 34,500 pts + $27.80 | — |
| Alaska Atmos Rewards | 7,500 pts + $25.60Lowest | — | — | 15,000 pts + $25.60Lowest |
| American Airlines AAdvantage | 8,000 pts + $5.60 | — | 32,500 pts + $5.60 | 32,500 pts + $5.60 |
| Avianca LifeMiles | 15,000 pts + $5.60 | — | — | — |
| Delta SkyMiles | 8,200 pts + $5.60 | — | — | 32,000 pts + $5.60 |
| Etihad Guest | 15,000 pts + $25.53 | — | 30,000 pts + $35.65Lowest | — |
| GOL Smiles | 27,200 pts + taxes not reported | 560,900 pts + taxes not reported | 66,200 pts + taxes not reportedMixed cabin | — |
| JetBlue TrueBlue | 25,000 pts + $5.60 | — | — | — |
| Qantas Frequent Flyer | 20,700 pts + $5.60 | — | 38,200 pts + $5.60Mixed cabin | — |
| Qatar Airways Privilege Club | 14,500 pts + taxes not reported | — | 175,000 pts + taxes not reportedMixed cabin | — |
| United MileagePlus | 14,400 pts + $5.60 | — | 30,000 pts + $5.60Mixed cabin | 44,300 pts + $5.60 |
| Virgin Atlantic Flying Club | 16,500 pts + $5.60 | — | — | 59,500 pts + $5.60 |
| Virgin Australia Velocity | 19,000 pts + $9.46 | — | — | — |
Questions about MileagePlus award flights from Miami (MIA) to Boston (BOS)
How many miles do you need to fly from Miami (MIA) to Boston (BOS) with United MileagePlus?
The lowest one-way United MileagePlus awards AwardTool observed in the last 30 days (newest observation Nov 11, 2026): economy 14,400 miles + $5.60, with a typical monthly low of 15,000 miles (taxes vary) over 7 months and award space on 48 departure dates; business class 30,000 miles + $5.60, a mixed-cabin award, with monthly lows of 30,000 miles in 1 month and 100,000 miles in 3 months (taxes vary), and award space on 9 departure dates; first class 44,300 miles + $5.60, with a typical monthly low of 53,900 miles (taxes vary) over 7 months and award space on 48 departure dates. Monthly lows varied in economy (14,400 to 31,600 miles + taxes vary), business class (30,000 to 100,000 miles + taxes vary) and first class (44,300 to 65,400 miles + taxes vary), so the award on your dates may cost more. Search live before transferring points.
What's the lowest MileagePlus award from Miami (MIA) to Boston (BOS)?
In economy, 14,400 miles + $5.60. Seen Oct 24, 2026, 17:21 UTC for a Jan 6, 2027 departure. United MileagePlus showed economy award space on 48 departure dates at any price (newest observation Nov 11, 2026, 21:40 UTC). In business class, 30,000 miles + $5.60 on a mixed-cabin itinerary (part of the trip in a lower cabin). Seen Nov 4, 2026, 09:53 UTC for a Nov 21, 2026 departure. United MileagePlus showed business-class award space on 9 departure dates at any price (newest observation Nov 11, 2026, 21:40 UTC). Search live before transferring points.
Can you book nonstop awards from Miami (MIA) to Boston (BOS) with MileagePlus?
Yes. AwardTool observed nonstop United MileagePlus award space in economy from 20,000 miles + taxes vary.
Which credit card points can book MileagePlus awards from Miami (MIA) to Boston (BOS)?
Bilt Rewards (1:1, Instant) and Chase Ultimate Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest MileagePlus award prices from Miami (MIA) 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 Dec 2026 departures: 14,400 miles + $5.60 (11 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.
When does United MileagePlus release award seats for Miami (MIA) to Boston (BOS)?
United MileagePlus publishes a booking window of about 337 days (about 11 months) before departure (AwardTool's program data, reviewed Nov 6, 2026). On this route AwardTool saw United MileagePlus award space for departures as late as Sep 25, 2027; seats can open earlier or later, and released seats may already be booked. See MileagePlus award release dates.