Cheap flights from Austin to Washington

One-way fares from $102 · AUS → WAS · prices found by travellers in the last 48 hours

Cheapest fare
$102

Frontier Airlines · Thu, Nov 19

Cheapest month
November

from $102

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 05m

2,120 km

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Cheapest month to fly from Austin to Washington

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

  1. November 2026 Cheapest $102

Cheapest dates in November 2026

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

Frontier Airlines
Depart21:48 Thu, Nov 19AUS → IAD 4h 15m · 1 stop
$102one way, per person
View deal
American Airlines
Depart17:05 Sat, Nov 14AUS → DCA 4h 05m · 1 stop
$136one way, per person
View deal
Frontier Airlines
Depart12:24 Tue, Nov 10AUS → IAD 4h 16m · 1 stop
$172one way, per person
View deal
Frontier Airlines
Depart22:59 Fri, Nov 20AUS → IAD 7h 17m · 1 stop
$193one way, per person
View deal
Frontier Airlines
Depart15:35 Thu, Nov 12AUS → IAD 4h 26m · 1 stop
$194one way, per person
View deal
Frontier Airlines
Depart11:33 Fri, Nov 13AUS → BWI 5h 03m · 1 stop
$200one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Washington

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

About flights from Austin to Washington

Austin (AUS) and Washington (WAS) are about 2,120 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 05m. Over the next few months, one-way fares start from $102, and November 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 Washington?

The cheapest one-way fare we've seen recently is $102 with Frontier Airlines, departing Thursday, November 19, 2026.

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

November 2026 currently has the lowest fares, from $102 one way.

Are there direct flights from Austin to Washington?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Austin to Washington?

The quickest journey we've seen takes about 4h 05m. Austin and Washington are around 2,120 km apart.

Which airlines fly from Austin to Washington?

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

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