Cheap flights from Austin to Boston

One-way fares from $159 · AUS → BOS · prices found by travellers in the last 48 hours

Cheapest fare
$159

Southwest Airlines · Sat, Dec 19

Cheapest month
December

from $159

Direct flights
Yes

jetBlue

Flight time
3h 55m

2,730 km

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Cheapest month to fly from Austin to Boston

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

  1. November 2026 $184
  2. December 2026 Cheapest $159

Cheapest dates in December 2026

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

Southwest Airlines
Depart22:40 Sat, Dec 19AUS → BOS 4h 35m · 1 stop
$159one way, per person
View deal
jetBlue
Depart18:59 Fri, Dec 18AUS → BOS 3h 55m · Direct
$161one 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 Austin to Boston

Austin (AUS) and Boston (BOS) are about 2,730 km apart. Direct flights take around 3h 55m, and recent direct fares were with jetBlue. Over the next few months, one-way fares start from $159, 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 Austin to Boston?

The cheapest one-way fare we've seen recently is $159 with Southwest Airlines, departing Saturday, December 19, 2026. Over the coming months, the lowest fare in each month ranges from $159 to $184.

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

December 2026 currently has the lowest fares, from $159 one way.

Are there direct flights from Austin to Boston?

Yes. Recent direct fares were with jetBlue.

How long is the flight from Austin to Boston?

A direct flight takes about 3h 55m. Austin and Boston are around 2,730 km apart.

Which airlines fly from Austin to Boston?

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

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