$141 Cheap Delta flights from Austin to Washington (AUS to IAD)

Make sure you visit our Covid-19 Travel Advisor to see if there are any current quarantine requirements and travel advice reports in effect in Dulles Intl. Airport when jet-setting from AUS.

Once you’re issued with the boarding pass for your Delta Air Lines flight from Austin–Bergstrom International Airport to IAD, you should be able to see which terminals you’ll be flying in and out of. Your carrier will be able to help if those details are missing from your ticket.

You won’t find any nonstop flights with Delta Air Lines from AUS to IAD. You will have at least one stopover, so use the time to stretch out those legs before catching your next flight.

Your Delta Air Lines flight from AUS to IAD should take approximately 4 hours and 2 minutes. But there are loads of things you can do to keep yourself occupied. Talking to the person next to you about their travel experiences is one of them. If you’d rather a different type of in-flight entertainment, you could always turn on your TV screen.

If you’re thinking about a trip from AUS to IAD, you can pick from roughly 5 Delta Air Lines flights per day.

For more info about changing your flight to Dulles Intl. Airport, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.