Cheap flights from Austin to Washington from $183 AUS → IAD
Austin-Bergstrom International Airport (AUS) → Washington Dulles International Airport (IAD)
The cheapest return found recently is $483 with Frontier Airlines, 25 Nov – 29 Nov, found 6 days ago. The cheapest one-way found recently is $183 with Frontier Airlines, 21 Nov, found today.
- Cheapest one-way found recently
- $183, found today
- Cheapest return found recently
- $483, 25 Nov to 29 Nov
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$483
25 Nov – 29 Nov · Frontier Airlines
Austin-Bergstrom International Airport (AUS) → Washington Dulles International Airport (IAD)
Leaves 12:00 p.m. · Return leaves 8:22 p.m. · 94 h 31 min of travel, both ways together
out 1 stop, back 3 stops
found 6 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$483 25 Nov – 29 Novfound 6 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 33 days, 27 Sept to 10 Nov, the cheapest return we saw each day was $142 to $483.
At $483, the cheapest return found recently is at the high end of that range.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 4-night return fares leaving within 3 days of 25 Nov to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Nov – 29 Nov | $483 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Washington Dulles International Airport (IAD) | out 1 stop, back 3 stops | found 6 days ago | See prices for these dates |
Airlines on the cheapest dates: Frontier Airlines.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $202 to $230.
Cheapest one-way found recently
$183
21 Nov · Frontier Airlines
Austin-Bergstrom International Airport (AUS) → Washington Dulles International Airport (IAD)
Leaves 9:32 p.m. · 30 h 38 min trip
1 stop
found today
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$183 21 Novfound todayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 34 days, 25 Sept to 12 Nov, the cheapest one-way we saw each day was $73 to $242.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 21 Nov to 29 Nov, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold one-way fares on 1 other departure date within 3 days of 21 Nov, and it is not cheaper.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 21 Nov | $183 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Washington Dulles International Airport (IAD) | 1 stop | found today | Open this trip |
| 22 Nov | $220 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Washington Dulles International Airport (IAD) | 1 stop | found today | Open this trip |
| 29 Nov | $240 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Washington Dulles International Airport (IAD) | 1 stop | found 5 days ago | Open this trip |
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Austin to Washington
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 25 Nov – 29 Nov in another cabin: Premium economy · Business · First
Today's prices for 21 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Austin to Washington?
Return
Fares 60 to 89 days before departure were typically 50% lower than 14 to 29 days before departure.
From the cheapest return each day between 27 Sept and 10 Nov (33 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $283 | $196 | +99% | 21 |
| 30–59 days | $196 | $181 | +38% | 20 |
| 60–89 days | $142 | $142 | Cheapest seen | 15 |
One-way
Fares 30 to 59 days before departure were typically 35% lower than 7 to 13 days before departure.
From the cheapest one-way each day between 25 Sept and 12 Nov (34 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $119 | $80 | +55% | 9 |
| 14–29 days | $82 | $73 | +6% | 26 |
| 30–59 days | $77 | $77 | Cheapest seen | 15 |
| 60–89 days | $108 | $108 | +40% | 8 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Austin → Baltimore
57 km from Washington
$834
$351 more than flying to Washington
29 Nov – 29 Nov · AUS → BWI · out nonstop, back 2 stops
found 6 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
San Antonio → Washington
118 km from Austin
$152
$31 less than flying from Austin
25 Dec · SAT → IAD · 1 stop
found 2 days ago
Austin → Baltimore
57 km from Washington
$191
$8 more than flying to Washington
25 Nov · AUS → BWI · 1 stop
found today
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 25 Nov – 29 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Austin to Washington?
The cheapest return found recently is $483 with Frontier Airlines, 25 Nov to 29 Nov, found 6 days ago.
How much is a one-way flight from Austin to Washington?
The cheapest one-way found recently is $183 with Frontier Airlines, 21 Nov, found today. The cheapest one-way fare on each of 3 departure dates is usually $202 to $230.
How far ahead should I book a flight from Austin to Washington?
In 33 days of prices between 27 Sept and 10 Nov, return fares 60 to 89 days before departure were typically 50% lower than 14 to 29 days before departure. In 34 days of prices between 25 Sept and 12 Nov, one-way fares 30 to 59 days before departure were typically 35% lower than 7 to 13 days before departure.
How long is the flight from Austin to Washington?
The cheapest one-way found recently, with Frontier Airlines on 21 Nov, takes 30 h 38 min with 1 stop.
Which airlines have the cheapest flights from Austin to Washington?
Between 21 Nov and 29 Nov, Frontier Airlines has the cheapest one-way on all 3 departure dates we hold.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work