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Flights from Boston to Austin

Flight Info | Boston to Austin

The distance between Boston and Austin is approximately 2,731.86 km. It takes around 4 hours 33 minutes on average to fly from Boston to Austin. Based on Trip.com's data, travel demand peaks in July. The cheapest month to book is October.

Cheapest one-way
$124
Frontier Airlines Frontier Airlines BOS-AUS 7h 56m · 1 stop Mon, Aug 24
View details
Cheapest round-trip
$207
Frontier Airlines Frontier Airlines BOS-AUS 8h 3m · 1 stop Mon, Aug 24 - Mon, Aug 31
View details
Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From $124 Jetblue Airways Jetblue AirwaysMost booked
When to travel
January
Cheapest
July
Peak season for travel
Route details
2,731.86 km
Flight distance
4h 33m
Average flight time

Find flight deals from Boston to Austin for the next 3 months. Book one way flights from $124 or round trip flights from $225.

      • Cheapest nonstop
        BOS 6:20 AM
        4h 14m
        Nonstop
        AUS 9:34 AM
        Boston - Austin | Mon, Aug 24 | Delta Air Lines
        AUS 7:20 AM
        4h 9m
        Nonstop
        BOS 12:29 PM
        Austin - Boston | Mon, Aug 31 | Delta Air Lines
        $225 $244
        8% off
        8% off
        $244 $225
      • BOS 9:36 AM
        8h 3m
        1 stop
        AUS 4:39 PM
        Boston - Austin | Mon, Aug 24 | Frontier Airlines
        AUS 12:00 PM
        3h 55m
        Nonstop
        BOS 4:55 PM
        Austin - Boston | Mon, Aug 31 |
        $207 $244
        15% off
        15% off
        $244 $207
      • BOS 9:36 AM
        8h 3m
        1 stop
        AUS 4:39 PM
        Boston - Austin | Thu, Aug 20 | Frontier Airlines
        AUS 10:40 AM
        4h
        Nonstop
        BOS 3:40 PM
        Austin - Boston | Wed, Aug 26 |
        $215 $244
        12% off
        12% off
        $244 $215
      • BOS 6:00 AM
        7h 56m
        1 stop
        AUS 12:56 PM
        Boston - Austin | Fri, Aug 21 | Frontier Airlines
        AUS 1:59 PM
        10h 28m
        1 stop
        BOS 1:27 AM
        Austin - Boston | Wed, Aug 26 | Frontier Airlines
        $219
        10% off
        $244 $219
      • BOS 1:00 PM
        17h 25m
        1 stop
        AUS 2:00 PM
        Boston - Austin | Fri, Jul 24 | Normal Airline
        AUS 3:00 PM
        6h
        Nonstop
        BOS 4:00 PM
        Austin - Boston | Sun, Jul 26 | Normal Airline
        Find more flights
        Find more flights
      • BOS 6:00 AM
        7h 56m
        1 stop
        AUS 12:56 PM
        Boston - Austin | Mon, Aug 24 | Frontier Airlines
        $124 $151
        18% off
        18% off
        $151 $124
      • BOS 10:04 AM
        24h 28m
        1 stop
        AUS 9:32 AM
        Boston - Austin | Tue, Aug 11 | Frontier Airlines
        $124 $151
        18% off
        18% off
        $151 $124
      • BOS 9:36 AM
        8h 3m
        1 stop
        AUS 4:39 PM
        Boston - Austin | Fri, Aug 21 | Frontier Airlines
        $127 $151
        16% off
        16% off
        $151 $127
      • BOS 9:36 AM
        8h 3m
        1 stop
        AUS 4:39 PM
        Boston - Austin | Fri, Aug 28 | Frontier Airlines
        $131
        13% off
        $151 $131
      • BOS 9:36 AM
        8h 3m
        1 stop
        AUS 4:39 PM
        Boston - Austin | Sun, Aug 30 | Frontier Airlines
        $131
        13% off
        $151 $131
      • BOS 9:36 AM
        8h 3m
        1 stop
        AUS 4:39 PM
        Boston - Austin | Mon, Aug 31 | Frontier Airlines
        $131
        13% off
        $151 $131
      • BOS 7:45 AM
        16h 56m
        1 stop
        AUS 11:41 PM
        Boston - Austin | Tue, Sep 8 | Delta Air Lines
        $136
        10% off
        $151 $136
      • BOS 6:01 AM
        8h 51m
        1 stop
        AUS 1:52 PM
        Boston - Austin | Fri, Jul 31 | American Airlines
        $139
        8% off
        $151 $139
      • BOS 9:36 AM
        8h 3m
        1 stop
        AUS 4:39 PM
        Boston - Austin | Thu, Aug 20 | Frontier Airlines
        $140
        7% off
        $151 $140
      • BOS 1:00 PM
        17h 25m
        1 stop
        AUS 2:00 PM
        Boston - Austin | Fri, Jul 24 | Normal Airline
        Find more flights
        Find more flights

Find cheap airlines flights from Boston to Austin

You can choose from 2 airlines that fly from Boston to Austin, including Jetblue Airways, Delta Air Lines, Frontier Airlines has lowest fares on this route.
Jetblue Airways logo Jetblue Airways
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Boston to Austin according to previous 12 months data from Trip.com.

Trip.com price insights on flights from Boston to Austin

Which month has the cheapest one-way flights from Boston to Austin?

The average price of one-way flights from Boston to Austin purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Boston to Austin is January, with an average price of $175; while the month with the highest flight price is usually July, with an average price of up to $327.

$327
$251
$175
$99
    Cheapest
  • $327
    Jul
  • $179
    Aug
  • $178
    Sep
  • $267
    Oct
  • $184
    Nov
  • $306
    Dec
  • $175
    Jan
  • $261
    Feb
  • $194
    Mar
  • $238
    Apr
  • $204
    May
  • $323
    Jun

Frequently Asked Questions

  • What are the cheapest flights from Boston to Austin (BOS-AUS)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $124 on Cheapest nonstop routes (e.g. BOS to AUS on Mon, Aug 24), while Frontier Airlines offers Cheapest nonstop round-trips from $207 departing on Mon, Aug 24 and returning on Mon, Aug 31.
  • At the moment, you can catch a nonstop flight from Boston to Austin with the following airlines, including: Jetblue Airways Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 4 hours 33 minutes to fly from Boston (BOS) to Austin (AUS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Austin is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 29 flight per week flying from Boston to Austin. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL1410 (06:44)
  • To find best deals on flights from Boston to Austin, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Aug 24, with one-way flights priced at just $124.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Austin travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Boston to Austin is October, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Boston to Austin on July 30, 2026 with Frontier Airlines, with prices starting at $258.
  • You can land at any one of the following hubs in Austin, with Boston Logan International Airport to Austin-Bergstrom International Airport (BOS-AUS) is by far the most common option on this route: Austin-Bergstrom International Airport (AUS).
  • The time difference between Austin and Boston is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.