Cheap flights from Miami to Boston

One-way fares from $98 · MIA → BOS · prices found by travellers in the last 48 hours

Cheapest fare
$98

Frontier Airlines · Sun, Dec 20

Cheapest month
December

from $98

Direct flights
Yes

American Airlines

Flight time
3h 20m

2,030 km

Get a price alert

We'll email you when Miami → Boston drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $98. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Miami to Boston

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $134
  2. December 2026 Cheapest $98
  3. January 2027 $144
  4. March 2027 $171
  5. July 2027 $228

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

American Airlines
Depart09:18 Wed, Dec 9MIA → BOS 3h 27m · Direct
$98one way, per person
View deal
Frontier Airlines
Depart18:12 Sun, Dec 20MIA → BOS 4h 28m · 1 stop
$98one way, per person
View deal
American Airlines
Depart19:33 Sat, Dec 5MIA → BOS 3h 25m · Direct
$107one way, per person
View deal
Frontier Airlines
Depart07:25 Tue, Dec 1MIA → BOS 4h 16m · 1 stop
$112one way, per person
View deal
American Airlines
Depart21:36 Mon, Dec 14MIA → BOS 3h 23m · Direct
$119one way, per person
View deal
Frontier Airlines
Depart18:12 Wed, Dec 23MIA → BOS 4h 10m · 1 stop
$121one way, per person
View deal
American Airlines
Depart21:36 Fri, Dec 4MIA → BOS 3h 23m · Direct
$129one way, per person
View deal
American Airlines
Depart21:36 Mon, Dec 7MIA → BOS 3h 23m · Direct
$129one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Boston

Where to stay, what to do and getting around, from our travel partners.

About flights from Miami to Boston

Miami (MIA) and Boston (BOS) are about 2,030 km apart. Direct flights take around 3h 20m, and recent direct fares were with American Airlines. Over the next few months, one-way fares start from $98, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Miami to Boston?

The cheapest one-way fare we've seen recently is $98 with Frontier Airlines, departing Sunday, December 20, 2026. Over the coming months, the lowest fare in each month ranges from $98 to $228.

What is the cheapest month to fly from Miami to Boston?

December 2026 currently has the lowest fares, from $98 one way.

Are there direct flights from Miami to Boston?

Yes. Recent direct fares were with American Airlines.

How long is the flight from Miami to Boston?

A direct flight takes about 3h 20m. Miami and Boston are around 2,030 km apart.

Which airlines fly from Miami to Boston?

Recent fares on this route were with Frontier Airlines, Southwest Airlines and American Airlines.

More cheap flights from Miami

Compare flights to Boston from other cities →