$227 Cheap Flights from Washington (IAD) to Chattanooga (CHA)

View $227 flight on Fri, May 1, 2026Opens in a new window

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

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Cheap Flights from Washington to Chattanooga (IAD-CHA)

Prices were available within the past 7 days and start at $227 for one-way flights and $373 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Apr 25 - Tue, Apr 28
IAD
Washington
CHA
Chattanooga
$373 Roundtrip, found 5 days ago
$373
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Apr 25 from Washington to Chattanooga, returning Tue, Apr 28, priced at $373 found 5 days ago
Delta
Sat, Apr 25 - Tue, Apr 28
IAD
Washington
CHA
Chattanooga
$385 Roundtrip, found 5 days ago
$385
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Apr 25 from Washington to Chattanooga, returning Tue, Apr 28, priced at $385 found 5 days ago
Delta
Sat, Apr 25 - Tue, Apr 28
IAD
Washington
CHA
Chattanooga
$412 Roundtrip, found 5 days ago
$412
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Apr 25 from Washington to Chattanooga, returning Tue, Apr 28, priced at $412 found 5 days ago
Delta
Sat, Apr 25 - Tue, Apr 28
IAD
Washington
CHA
Chattanooga
$413 Roundtrip, found 5 days ago
$413
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Apr 25 from Washington to Chattanooga, returning Tue, Apr 28, priced at $413 found 5 days ago
Delta
Sat, Apr 25 - Tue, Apr 28
IAD
Washington
CHA
Chattanooga
$433 Roundtrip, found 5 days ago
$433
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Apr 25 from Washington to Chattanooga, returning Tue, Apr 28, priced at $433 found 5 days ago
American Airlines
Sat, Jul 25 - Sat, Aug 1
IAD
Washington
CHA
Chattanooga
$445 Roundtrip, found 2 hours ago
$445
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Jul 25 from Washington to Chattanooga, returning Sat, Aug 1, priced at $445 found 2 hours ago
United
Sat, May 30 - Tue, Jun 2
IAD
Washington
CHA
Chattanooga
$445 Roundtrip, found 1 hour ago
$445
Roundtrip
found 1 hour ago
Select United flight, departing Sat, May 30 from Washington to Chattanooga, returning Tue, Jun 2, priced at $445 found 1 hour ago
American Airlines
Thu, Apr 9 - Thu, Apr 16
IAD
Washington
CHA
Chattanooga
$453 Roundtrip, found 4 days ago
$453
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Apr 9 from Washington to Chattanooga, returning Thu, Apr 16, priced at $453 found 4 days ago
Delta
Sat, Apr 18 - Tue, Apr 21
IAD
Washington
CHA
Chattanooga
$457 Roundtrip, found 1 day ago
$457
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Apr 18 from Washington to Chattanooga, returning Tue, Apr 21, priced at $457 found 1 day ago
United
Sat, Jul 25 - Sat, Aug 1
IAD
Washington
CHA
Chattanooga
$460 Roundtrip, found 2 hours ago
$460
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Jul 25 from Washington to Chattanooga, returning Sat, Aug 1, priced at $460 found 2 hours ago

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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 $677
CHA
Chattanooga Metropolitan
CheapestClosest
Average driving time to city center14 min
Flights from $677

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

August is typically the cheapest month to fly

From $325 - $870 per traveler.

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) cost?
You can find cheap one-way flights from $227 and cheap return flights from $373 Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) with Expedia. One-way flights generally range between $461 and $874, and roundtrip flights usually range from $544 to $1325. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
The cheapest month to fly from IAD to CHA is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
Enter IAD to CHA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
The earliest flight from Washington Dulles International Airport (IAD) to Chattanooga Metropolitan (CHA) usually leaves at around 5:00 AM, operated by American Airlines. This seasonal service is available in May, giving you an early start to explore Chattanooga. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
The most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) are in the early morning, from 6am to 9am. About 39% of passengers prefer this time window. Many major carriers, including Delta Air Lines, United Airlines, and American Airlines, offer flights during this window. This timing is ideal for travelers looking to maximize their day in Chattanooga.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
Flying from IAD to CHA with a connection usually takes about 5 hours 50 minutes, traveling roughly 506 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
First class seats are offered on the IAD to CHA route. First class cabins are available on:

  • Delta Air Lines
  • United Airlines
  • American Airlines

How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chattanooga from Washington Dulles Intl. (IAD)?
From Washington Dulles Intl. (IAD), you can fly into Chattanooga Metropolitan (CHA) to reach Chattanooga. Some flights may connect through major hubs like Indianapolis Intl. (IND), John Glenn Columbus Intl. (CMH), Pittsburgh Intl. (PIT) before reaching Chattanooga. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) Chattanooga Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Chattanooga, TN (CHA-Chattanooga Metropolitan) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Chattanooga Metropolitan
Airlines serving
American Airlines, Delta, United
Roundtrip price
$372
Distance
505 mi

Book with confidence

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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $227 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.

 

Washington to Chattanooga Flights

*Flight schedules are subject to change.

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