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$140+ Cheap flights from Dulles Intl (IAD) to Chattanooga (CHA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CHA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Dulles Intl to Chattanooga

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Chattanooga (CHA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$282
(Mytrip)

One-way from

$140
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$697
From Washington, D.C. Dulles Intl to Chattanooga Lovell Field
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One-way flight from Washington, D.C. Dulles Intl to Chattanooga Lovell Field
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Highest demand for flights based on searches. 21% potential increase in price ($146 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dulles Intl to Chattanooga

Cheapest flights from Dulles Intl to Chattanooga
Explore the most affordable flight options available from Dulles Intl to Chattanooga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/175:40 pmIAD - CHA
3 stops18h 40mMultiple Airlines
Sun 7/204:58 pmCHA - IAD
2 stops16h 25mMultiple Airlines
Deal found 6/9$282
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/273:13 pmIAD - CHA
2 stops16h 20mAllegiant Air
Sun 6/298:33 amCHA - IAD
2 stops24h 50mAllegiant Air
Deal found 6/11$355
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:00 pmIAD - CHA
1 stop4h 43mDelta
Tue 9/161:30 pmCHA - IAD
1 stop5h 12mDelta
Deal found 6/11$374
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/232:21 pmIAD - CHA
1 stop4h 28mAmerican Airlines
Tue 9/306:00 amCHA - IAD
1 stop4h 07mAmerican Airlines
Deal found 6/11$389
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:20 amIAD - CHA
2 stops14h 53mUnited Airlines
Tue 9/162:01 pmCHA - IAD
2 stops20h 10mUnited Airlines
Deal found 6/11$443

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Chattanooga that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Chattanooga that are best for you.

Fly from

Dulles Intl

Fly to

Chattanooga

Route

Depart

Return

Price

Washington, D.C.Chattanooga

IAD - CHA

IADCHA

Washington, D.C. Dulles Intl

Thu 7/17

5:40 pm-12:20 pm

3 stops18h 40m

Chattanooga Lovell Field

Sun 7/20

4:58 pm-9:23 am

2 stops16h 25m

$282

Washington, D.C.Chattanooga

IAD - CHA

IADCHA

Washington, D.C. Dulles Intl

Fri 6/27

3:13 pm-7:33 am

2 stops16h 20m

Chattanooga Lovell Field

Sun 6/29

8:33 am-9:23 am

2 stops24h 50m

$355

Washington, D.C.Chattanooga

IAD - CHA

IADCHA

Washington, D.C. Dulles Intl

Tue 9/9

1:00 pm-5:43 pm

1 stop4h 43m

Chattanooga Lovell Field

Tue 9/16

1:30 pm-6:42 pm

1 stop5h 12m

$374

Washington, D.C.Chattanooga

IAD - CHA

IADCHA

Washington, D.C. Dulles Intl

Wed 7/9

6:35 am-12:34 pm

1 stop5h 59m

Chattanooga Lovell Field

Wed 7/16

6:14 pm-11:58 pm

1 stop5h 44m

$389

Washington, D.C.Chattanooga

IAD - CHA

IADCHA

Washington, D.C. Dulles Intl

Tue 9/9

8:20 am-11:13 pm

2 stops14h 53m

Chattanooga Lovell Field

Tue 9/16

2:01 pm-10:11 am

2 stops20h 10m

$443

Washington, D.C.Chattanooga

IAD - CHA

IADCHA

Washington, D.C. Dulles Intl

Mon 7/14

4:46 pm-4:03 pm

2 stops23h 17m

$140

Washington, D.C.Chattanooga

IAD - CHA

IADCHA

Washington, D.C. Dulles Intl

Fri 6/27

3:13 pm-7:33 am

2 stops16h 20m

$156

Washington, D.C.Chattanooga

IAD - CHA

IADCHA

Washington, D.C. Dulles Intl

Sun 6/22

8:14 pm-12:06 am

1 stop3h 52m

$314

Washington, D.C.Chattanooga

IAD - CHA

IADCHA

Washington, D.C. Dulles Intl

Wed 6/18

6:00 am-10:05 am

1 stop4h 05m

$318

Washington, D.C.Chattanooga

IAD - CHA

IADCHA

Washington, D.C. Dulles Intl

Thu 7/10

1:20 pm-4:55 pm

1 stop27h 35m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Dulles Intl to Chattanooga

Have a flexible travel schedule? Discover the best time to fly to Chattanooga from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Chattanooga

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Chattanooga?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Chattanooga (average of $323). Flying from Washington, D.C. Dulles Intl Airport to Chattanooga in October is currently the most expensive (average of $418). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to CHA?

Find hourly flight availability from Dulles Intl to Chattanooga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Chattanooga in the afternoon. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the morning.

Rainfall in Chattanooga by month

Plan your trip to Chattanooga by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chattanooga ranges from 3.3 - 5.0 inches per month. March is typically the wettest month, when rainfall can reach 5.0 in. October is typically the driest time to visit Chattanooga when rainfall is around 3.3 in.

Temperature in Chattanooga by month

Plan your trip to Chattanooga by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chattanooga, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Chattanooga

Get insights into the airlines that provide service to Chattanooga. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chattanooga. Reviews last updated June 12, 2025.
To help decide which airline to fly from Washington, D.C. to Chattanooga, see what other customers have to say about Delta, United Airlines and Allegiant Air. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Chattanooga. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Chattanooga from Washington, D.C. Dulles Intl?

    Most people fly into Chattanooga Lovell Field (CHA) if they book a flight to Chattanooga from Washington, D.C. Dulles Intl. On average, Lovell Field has 0 inbound flights from Washington, D.C. Dulles Intl per day from 2 airlines. Chattanooga Lovell Field is conveniently located just 6.0 mi from Chattanooga’s city center.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Chattanooga round-trip?

    Currently priced at $355, Allegiant Air will fly you from Washington, D.C. Dulles Intl Airport to Chattanooga and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $374 and $389, respectively. Allegiant Air is currently priced 34% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Chattanooga one-way?

    To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $156. American Airlines flights start at $314 while deals on Delta start at $318 one-way.

  • Can I find deals for flights from Dulles Intl to Chattanooga that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Chattanooga flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Chattanooga?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Chattanooga.

  • Can I find deals for business class flights from Dulles Intl to Chattanooga?

    Yes. Cheapflights offers flight deals from Dulles Intl to Chattanooga by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Chattanooga?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Chattanooga (average of $323). Flying from Washington, D.C. Dulles Intl Airport to Chattanooga in October is currently the most expensive (average of $418). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
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Top 2 airlines flying from Dulles Intl to Chattanooga

Discover the top 2 airlines that operate flights from Dulles Intl to Chattanooga. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$323Average$388FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$368Average$418FlexibilityNo cancel feeOn-time71%

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