BWI
Baltimore
3h 06m direct
AUS
Austin
from $169
Cheapest one-way fare
6
Airlines on this route
1340 mi
Great-circle distance
3h 06m
Typical flight time
Compare prices on Baltimore-Washington → Austin →
Comparing Southwest Airlines, Spirit Airlines, Frontier Airlines, American Airlines, Delta Air Lines and more
Route summary

Baltimore-Washington to Austin-Bergstrom

1340 miles great-circle distance, typically flown in 3h 06m with 6 airlines operating direct service from Baltimore-Washington (BWI) to Austin-Bergstrom (AUS). Cheapest fares are usually in January (around $169 return), with peak prices in August (around $507). Departures on a Tuesday tend to undercut weekend prices on this corridor.

About this corridor

Flying from Baltimore-Washington

Baltimore-Washington Thurgood Marshall is Southwest Airlines' largest East Coast hub and one of the cheapest US airports for domestic travel. The MARC Penn Line and Amtrak both serve BWI Rail Station — a 12-minute light rail shuttle ride from the terminal — with onward service to Washington Union Station in 30 minutes ($8 MARC, $20+ Amtrak). Limited international long-haul (BA to London, Condor to Frankfurt seasonally); the focus is heavy short-haul Southwest and ULCC capacity.

Arriving in Austin

Austin-Bergstrom International is 6 miles southeast of downtown Austin. CapMetro Route 20 runs every 30 minutes between the airport and downtown for $1.25. Fares to Austin peak sharply for South by Southwest (mid-March), the Austin City Limits Festival (early October) and University of Texas football weekends; January and late summer are the cheapest. ULCC carriers Spirit and Frontier run heavy capacity.

All airlines on this route

Who flies BWI to AUS?

Airline IATA Flight time Cabin
Southwest AirlinesWN3h 06mEconomy
Spirit AirlinesNK3h 06mEconomy
Frontier AirlinesF93h 06mEconomy
American AirlinesAA3h 06mEconomy
Delta Air LinesDL3h 06mEconomy
United AirlinesUA3h 06mEconomy

6 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.

Price calendar — 12 months

Best time to fly BWI→AUS

Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.

Jan
$169
Feb
$217
Mar
$266
Apr
$314
May
$362
Jun
$410
Jul
$459
Aug
$507
Sep
$439
Oct
$372
Nov
$304
Dec
$237

Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.

Frequently Asked Questions

Baltimore to Austin FAQs

How long is a flight from Baltimore-Washington to Austin? +

Direct flights from Baltimore-Washington (BWI) to Austin-Bergstrom (AUS) take approximately 3h 06m for the 1340-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.

What's the cheapest month to fly BWI–AUS? +

January is typically the cheapest month on this route, with one-way fares from $169. August is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.

Which airlines fly from Baltimore-Washington to Austin? +

6 carriers operate direct service from Baltimore-Washington (BWI) to Austin-Bergstrom (AUS): Southwest Airlines, Spirit Airlines, Frontier Airlines, American Airlines, Delta Air Lines and 1 more. Frequencies vary by season and carrier — Southwest Airlines typically operates the highest weekly count on this corridor.

Do I need a visa to visit United States? +

No — United States is domestic travel for US citizens. A US passport is not required for the 50 states, DC or US territories (Puerto Rico, US Virgin Islands, Guam, American Samoa, Northern Mariana Islands), though Real ID-compliant ID is required at TSA from May 2025.

How far is Austin-Bergstrom from Austin centre? +

Austin-Bergstrom (AUS) is the primary international airport for Austin. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.