Travel with Axel,
get the best price.

Miami → Boston

Dec 21, 2026 · return Dec 27, 2026

MIA → BOS1 adulteconomyRound trip

10 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Sun, Dec 27

American Airlines
9:40 pmMIA
3h 19m
Nonstop
12:59 am+1BOS
American Airlines
11:09 amBOS
3h 36m
Nonstop
2:45 pmMIA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

Delta Air Lines
8:32 pmMIA
3h 27m
Nonstop
11:59 pmBOS
Delta Air Lines
7:50 pmBOS
3h 43m
Nonstop
11:33 pmMIA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

American Airlines
6:53 amMIA
3h 22m
Nonstop
10:15 amBOS
American Airlines
11:09 amBOS
3h 36m
Nonstop
2:45 pmMIA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

Delta Air Lines
7:05 amMIA
3h 18m
Nonstop
10:23 amBOS
Delta Air Lines
7:50 pmBOS
3h 43m
Nonstop
11:33 pmMIA

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Sun, Dec 27

Southwest Airlines
5:10 amMIA
6h 30m
STL · 1h 10m
11:40 amBOS
Southwest Airlines
5:15 pmBOS
5h 30m
BWI · 1h 5m
10:45 pmMIA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

United Airlines
1:30 pmMIA
5h 27m
IAD · 1h 5m
6:57 pmBOS
United Airlines
5:45 amBOS
5h 48m
IAD · 1h 15m
11:33 amMIA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

Southwest Airlines
6:30 amMIA
5h 50m
BWI · 1h 50m
12:20 pmBOS
Southwest Airlines
5:15 pmBOS
5h 30m
BWI · 1h 5m
10:45 pmMIA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

Southwest Airlines
9:05 amMIA
5h 50m
BNA · 1h
2:55 pmBOS
Southwest Airlines
5:15 pmBOS
5h 30m
BWI · 1h 5m
10:45 pmMIA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

American Airlines
3:27 pmMIA
6h 19m
LGA · 2h
9:46 pmBOS
American Airlines
11:09 amBOS
3h 36m
Nonstop
2:45 pmMIA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

American Airlines
8:20 amMIA
5h 14m
PHL · 1h 4m
1:34 pmBOS
American Airlines
11:09 amBOS
3h 36m
Nonstop
2:45 pmMIA

Round-trip total · 1 adult · Taxes included

Make this trip yours

MIA ⇄ BOS

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, American Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 → 2026-12-27American AirlinesAA1054 / AA2499$413.002026-10-29T01:29:22Z
2026-12-21 → 2026-12-27Delta Air LinesDL2217 / DL2246$441.002026-10-29T01:29:22Z
2026-12-21 → 2026-12-27Southwest AirlinesWN4777 + WN570 / WN113 + WN2760$399.002026-10-29T01:29:22Z
2026-12-21 → 2026-12-27United AirlinesUA2435 + UA688 / UA1734 + UA1073$455.002026-10-29T01:29:22Z
2026-12-21 → 2026-12-27American AirlinesAA2764 / AA2499$413.002026-10-29T01:29:22Z
2026-12-21 → 2026-12-27Delta Air LinesDL2819 / DL2246$441.002026-10-29T01:29:22Z
2026-12-21 → 2026-12-27Southwest AirlinesWN1425 + WN2065 / WN113 + WN2760$399.002026-10-29T01:29:22Z
2026-12-21 → 2026-12-27Southwest AirlinesWN2972 + WN4457 / WN113 + WN2760$399.002026-10-29T01:29:22Z
2026-12-21 → 2026-12-27American AirlinesAA3330 + AA2247 / AA2499$427.002026-10-29T01:29:22Z
2026-12-21 → 2026-12-27American AirlinesAA839 + AA2615 / AA2499$427.002026-10-29T01:29:22Z

2026-12-21 → 2026-12-27 · $413.00

  • American Airlines AA1054: MIA 2026-12-21 21:40:00 → BOS 2026-12-22 00:59:00; nonstop; 199 minutes. Local airport times.
  • American Airlines AA2499: BOS 2026-12-27 11:09:00 → MIA 2026-12-27 14:45:00; nonstop; 216 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $441.00

  • Delta Air Lines DL2217: MIA 2026-12-21 20:32:00 → BOS 2026-12-21 23:59:00; nonstop; 207 minutes. Local airport times.
  • Delta Air Lines DL2246: BOS 2026-12-27 19:50:00 → MIA 2026-12-27 23:33:00; nonstop; 223 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $399.00

  • Southwest Airlines WN4777 / WN570: MIA 2026-12-21 05:10:00 → BOS 2026-12-21 11:40:00; 1 stop(s) via STL; 390 minutes. Local airport times.
    • WN4777: MIA 2026-12-21 05:10:00 → STL 2026-12-21 07:00:00; layover at STL: 70 minutes.
    • WN570: STL 2026-12-21 08:10:00 → BOS 2026-12-21 11:40:00.
  • Southwest Airlines WN113 / WN2760: BOS 2026-12-27 17:15:00 → MIA 2026-12-27 22:45:00; 1 stop(s) via BWI; 330 minutes. Local airport times.
    • WN113: BOS 2026-12-27 17:15:00 → BWI 2026-12-27 18:55:00; layover at BWI: 65 minutes.
    • WN2760: BWI 2026-12-27 20:00:00 → MIA 2026-12-27 22:45:00.

2026-12-21 → 2026-12-27 · $455.00

  • United Airlines UA2435 / UA688: MIA 2026-12-21 13:30:00 → BOS 2026-12-21 18:57:00; 1 stop(s) via IAD; 327 minutes. Local airport times.
    • UA2435: MIA 2026-12-21 13:30:00 → IAD 2026-12-21 16:10:00; layover at IAD: 65 minutes.
    • UA688: IAD 2026-12-21 17:15:00 → BOS 2026-12-21 18:57:00.
  • United Airlines UA1734 / UA1073: BOS 2026-12-27 05:45:00 → MIA 2026-12-27 11:33:00; 1 stop(s) via IAD; 348 minutes. Local airport times.
    • UA1734: BOS 2026-12-27 05:45:00 → IAD 2026-12-27 07:25:00; layover at IAD: 75 minutes.
    • UA1073: IAD 2026-12-27 08:40:00 → MIA 2026-12-27 11:33:00.

2026-12-21 → 2026-12-27 · $413.00

  • American Airlines AA2764: MIA 2026-12-21 06:53:00 → BOS 2026-12-21 10:15:00; nonstop; 202 minutes. Local airport times.
  • American Airlines AA2499: BOS 2026-12-27 11:09:00 → MIA 2026-12-27 14:45:00; nonstop; 216 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $441.00

  • Delta Air Lines DL2819: MIA 2026-12-21 07:05:00 → BOS 2026-12-21 10:23:00; nonstop; 198 minutes. Local airport times.
  • Delta Air Lines DL2246: BOS 2026-12-27 19:50:00 → MIA 2026-12-27 23:33:00; nonstop; 223 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $399.00

  • Southwest Airlines WN1425 / WN2065: MIA 2026-12-21 06:30:00 → BOS 2026-12-21 12:20:00; 1 stop(s) via BWI; 350 minutes. Local airport times.
    • WN1425: MIA 2026-12-21 06:30:00 → BWI 2026-12-21 09:05:00; layover at BWI: 110 minutes.
    • WN2065: BWI 2026-12-21 10:55:00 → BOS 2026-12-21 12:20:00.
  • Southwest Airlines WN113 / WN2760: BOS 2026-12-27 17:15:00 → MIA 2026-12-27 22:45:00; 1 stop(s) via BWI; 330 minutes. Local airport times.
    • WN113: BOS 2026-12-27 17:15:00 → BWI 2026-12-27 18:55:00; layover at BWI: 65 minutes.
    • WN2760: BWI 2026-12-27 20:00:00 → MIA 2026-12-27 22:45:00.

2026-12-21 → 2026-12-27 · $399.00

  • Southwest Airlines WN2972 / WN4457: MIA 2026-12-21 09:05:00 → BOS 2026-12-21 14:55:00; 1 stop(s) via BNA; 350 minutes. Local airport times.
    • WN2972: MIA 2026-12-21 09:05:00 → BNA 2026-12-21 10:30:00; layover at BNA: 60 minutes.
    • WN4457: BNA 2026-12-21 11:30:00 → BOS 2026-12-21 14:55:00.
  • Southwest Airlines WN113 / WN2760: BOS 2026-12-27 17:15:00 → MIA 2026-12-27 22:45:00; 1 stop(s) via BWI; 330 minutes. Local airport times.
    • WN113: BOS 2026-12-27 17:15:00 → BWI 2026-12-27 18:55:00; layover at BWI: 65 minutes.
    • WN2760: BWI 2026-12-27 20:00:00 → MIA 2026-12-27 22:45:00.

2026-12-21 → 2026-12-27 · $427.00

  • American Airlines AA3330 / AA2247: MIA 2026-12-21 15:27:00 → BOS 2026-12-21 21:46:00; 1 stop(s) via LGA; 379 minutes. Local airport times.
    • AA3330: MIA 2026-12-21 15:27:00 → LGA 2026-12-21 18:29:00; layover at LGA: 120 minutes.
    • AA2247: LGA 2026-12-21 20:29:00 → BOS 2026-12-21 21:46:00.
  • American Airlines AA2499: BOS 2026-12-27 11:09:00 → MIA 2026-12-27 14:45:00; nonstop; 216 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $427.00

  • American Airlines AA839 / AA2615: MIA 2026-12-21 08:20:00 → BOS 2026-12-21 13:34:00; 1 stop(s) via PHL; 314 minutes. Local airport times.
    • AA839: MIA 2026-12-21 08:20:00 → PHL 2026-12-21 11:05:00; layover at PHL: 64 minutes.
    • AA2615: PHL 2026-12-21 12:09:00 → BOS 2026-12-21 13:34:00.
  • American Airlines AA2499: BOS 2026-12-27 11:09:00 → MIA 2026-12-27 14:45:00; nonstop; 216 minutes. Local airport times.

More dates for this route