$173 Cheap Flights from Washington (IAD) to Chattanooga (CHA)

View $173 flight on Sun, Sep 28, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA)

Cheap Flights from Washington to Chattanooga (IAD-CHA)

Prices were available within the past 7 days and start at $173 for one-way flights and $195 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jan 6 - Thu, Jan 8
IAD
Washington
CHA
Chattanooga
$195 Roundtrip, found 5 days ago
$195
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jan 6 from Washington to Chattanooga, returning Thu, Jan 8, priced at $195 found 5 days ago
Delta
Tue, Sep 16 - Tue, Sep 23
IAD
Washington
CHA
Chattanooga
$196 Roundtrip, found 5 days ago
$196
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Sep 16 from Washington to Chattanooga, returning Tue, Sep 23, priced at $196 found 5 days ago
Delta
Tue, Sep 23 - Sat, Sep 27
IAD
Washington
CHA
Chattanooga
$215 Roundtrip, found 6 days ago
$215
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 23 from Washington to Chattanooga, returning Sat, Sep 27, priced at $215 found 6 days ago
Delta
Sat, Sep 13 - Mon, Sep 15
IAD
Washington
CHA
Chattanooga
$217 Roundtrip, found 5 days ago
$217
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Sep 13 from Washington to Chattanooga, returning Mon, Sep 15, priced at $217 found 5 days ago
Delta
Tue, Oct 21 - Thu, Oct 23
IAD
Washington
CHA
Chattanooga
$245 Roundtrip, found 5 days ago
$245
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Oct 21 from Washington to Chattanooga, returning Thu, Oct 23, priced at $245 found 5 days ago
Delta
Tue, Sep 9 - Tue, Sep 16
IAD
Washington
CHA
Chattanooga
$256 Roundtrip, found 6 days ago
$256
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 9 from Washington to Chattanooga, returning Tue, Sep 16, priced at $256 found 6 days ago
Delta
Tue, Jan 6 - Thu, Jan 8
IAD
Washington
CHA
Chattanooga
$265 Roundtrip, found 5 days ago
$265
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jan 6 from Washington to Chattanooga, returning Thu, Jan 8, priced at $265 found 5 days ago
Delta
Tue, Sep 16 - Tue, Sep 23
IAD
Washington
CHA
Chattanooga
$266 Roundtrip, found 5 days ago
$266
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Sep 16 from Washington to Chattanooga, returning Tue, Sep 23, priced at $266 found 5 days ago
American Airlines
Sat, Oct 11 - Sat, Oct 18
IAD
Washington
CHA
Chattanooga
$409 Roundtrip, found 1 day ago
$409
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 11 from Washington to Chattanooga, returning Sat, Oct 18, priced at $409 found 1 day ago
United
Wed, Nov 19 - Sun, Nov 23
IAD
Washington
CHA
Chattanooga
$439 Roundtrip, found 14 hours ago
$439
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Nov 19 from Washington to Chattanooga, returning Sun, Nov 23, priced at $439 found 14 hours ago

Find the cheapest month to fly from Washington (IAD) to Chattanooga (CHA)

November is typically the cheapest month to fly

From $278 - $754 per traveler.

Graph displaying average flight prices per month

Alternative airports near Chattanooga

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Chattanooga Metropolitan CHA. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $196
CHA
Chattanooga Metropolitan
CheapestClosest
Average driving time to city center14 min
Flights from $196
Flights from Washington (IAD) to Chattanooga (CHA)
Origin airport
Washington Dulles Intl.
Destination airport
Chattanooga Metropolitan
Airlines serving
American Airlines, Delta, United
Roundtrip price
$194
Distance
505 mi

Washington to Chattanooga Flights

The cheapest times to fly from Washington to Chattanooga

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Chattanooga are during the month of January. You can find some of the cheapest flights from Washington to Chattanooga with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Chattanooga

Sunday is one of the best days to book for cheap flights from Washington to Chattanooga: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Chattanooga

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Chattanooga in 2025. You can also book with separate airlines for your outbound and return journeys, from $173 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Chattanooga flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Chattanooga airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA) cost?
Lock in a cheap one-way flight from $173 or cheap return flight from $195 from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA)?
Planning your getaway for January is a great way to save, as it's the cheapest month for flights between IAD and CHA. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA)?
There aren't any direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga Metropolitan Airport (CHA). However, you'll find other airports that have nonstop flights. Begin your journey at Ronald Reagan Washington National Airport (DCA) and travel straight to Chattanooga without any detours.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA)?
To find the cheapest airline that'll fly you from IAD to CHA, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA)?
There aren't any daily direct flights departing from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from IAD to CHA?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA)?
To avoid possible delays on the Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA) route, fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA) last-minute?
Booking your plane ticket from IAD to CHA shortly before your journey is usually more expensive. But if there's some wiggle room with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an IAD to CHA flight and hotel package?
You'll typically save money by securing an IAD to CHA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your ideal flights and accommodations, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Chattanooga Metropolitan Airport (CHA)?
In most instances, you can reschedule or cancel your IAD to CHA flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, head to our Customer Service portal.

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*Available to One Key members.