$63+ Cheap flights from Atlanta (ATL) to Dulles Intl (IAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — IAD
Oct 16 — Oct 231
Round-trip
1 adult, Economy
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Find cheap flights from Atlanta to Dulles Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl are usually found in December or October, booked 67 days in advance, depart on a Thursday or Friday and return on a Friday
Cheap flight deals from Atlanta to Dulles Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Atlanta to Dulles IntlExplore the most affordable flight options available from Atlanta to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
Explore the most affordable flight options available from Atlanta to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
This deal was found by Cheapflights users on 9/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:25 pm -
Nonstop1h 53m
Fri 9/259:04 pm -
Nonstop2h 01m
Deal found 9/11![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:24 pm -
Nonstop1h 46m
Wed 10/1411:12 am -
1 stop7h 32m
Deal found 9/11![Frontier logo]()
$94
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:25 pm -
Nonstop1h 53m
Sat 10/39:04 pm -
Nonstop2h 01m
Deal found 9/12![Frontier logo]()
$95
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:24 pm -
Nonstop1h 46m
Tue 10/69:04 pm -
Nonstop2h 01m
Deal found 9/14![Frontier logo]()
$96
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:30 pm -
Nonstop1h 51m
Mon 10/129:06 pm -
Nonstop2h 07m
Deal found 9/15![Frontier logo]()
$98
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:25 pm -
Nonstop1h 53m
Wed 10/711:12 am -
1 stop7h 05m
Deal found 9/14![Frontier logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:30 pm -
Nonstop1h 51m
Tue 10/2011:12 am -
1 stop21h 50m
Deal found 9/14![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:25 pm -
Nonstop1h 53m
Tue 10/69:04 pm -
Nonstop2h 01m
Deal found 9/11![Frontier logo]()
$101
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:52 pm -
Nonstop1h 51m
Fri 11/67:40 am -
Nonstop2h 14m
Deal found 9/11![Frontier logo]()
$102
This eDestinos deal was found by Cheapflights users on 9/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:24 pm -
Nonstop1h 46m
Wed 10/79:04 pm -
Nonstop2h 01m
Deal found 9/13![Frontier logo]()
$103
Best flights from Atlanta to Dulles IntlDiscover carefully curated flight deals from Atlanta to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
Discover carefully curated flight deals from Atlanta to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/235:40 am -
Nonstop1h 43m
Fri 10/235:50 pm -
Nonstop2h 06m
Deal found 9/15![United Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 9/15. 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.
Sun 11/810:55 pm -
Nonstop1h 47m
Tue 11/103:00 pm -
Nonstop1h 50m
Deal found 9/15![Delta logo]()
$221
This KAYAK deal was found by Cheapflights users on 9/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:16 am -
1 stop3h 40m
Fri 9/256:14 am -
1 stop3h 34m
Deal found 9/13![American Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 10/33:25 pm -
Nonstop1h 46m
Wed 10/710:14 am -
Nonstop1h 50m
Deal found 9/15![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/132:40 pm -
Nonstop1h 52m
Sun 10/188:20 am -
Nonstop1h 58m
Deal found 9/13![United Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/147:37 pm -
Nonstop1h 51m
Sun 10/188:20 am -
Nonstop1h 58m
Deal found 9/13![United Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 11/237:34 pm -
Nonstop1h 49m
Sun 11/2910:39 pm -
Nonstop1h 56m
Deal found 9/15![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 9/12. 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.
Fri 9/2512:28 pm -
Nonstop1h 43m
Sun 9/278:08 am -
Nonstop1h 52m
Deal found 9/12![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 10/285:30 am -
Nonstop1h 48m
Sat 10/313:37 pm -
1 stop5h 50m
Deal found 9/12![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 10/39:50 am -
Nonstop1h 51m
Wed 10/710:25 pm -
Nonstop1h 58m
Deal found 9/15![United Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/39:50 am -
Nonstop1h 51m
Tue 10/612:38 pm -
1 stop6h 28m
Deal found 9/12![United Airlines logo]()
$361
Last-minute flights from Atlanta to Dulles IntlDiscover last-minute flight deals from Atlanta to Dulles Intl. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Dulles Intl. Data last updated September 16, 2026 and is based on user searches.
This deal was found by Cheapflights users on 9/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:25 pm -
Nonstop1h 53m
Fri 9/259:04 pm -
Nonstop2h 01m
Deal found 9/11![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:24 pm -
Nonstop1h 46m
Tue 10/69:04 pm -
Nonstop2h 01m
Deal found 9/14![Frontier logo]()
$96
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:25 pm -
Nonstop1h 53m
Wed 10/711:12 am -
1 stop7h 05m
Deal found 9/14![Frontier logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:25 pm -
Nonstop1h 53m
Sat 10/39:04 pm -
Nonstop2h 01m
Deal found 9/12![Frontier logo]()
$95
This eDestinos deal was found by Cheapflights users on 9/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:24 pm -
Nonstop1h 46m
Wed 10/79:04 pm -
Nonstop2h 01m
Deal found 9/13![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:25 pm -
Nonstop1h 53m
Tue 10/69:04 pm -
Nonstop2h 01m
Deal found 9/11![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:24 pm -
Nonstop1h 46m
Wed 10/1411:12 am -
1 stop7h 32m
Deal found 9/11![Frontier logo]()
$94
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:25 pm -
Nonstop1h 53m
Sat 10/179:06 pm -
Nonstop2h 07m
Deal found 9/16![Frontier logo]()
$105
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:30 pm -
Nonstop1h 51m
Mon 10/129:06 pm -
Nonstop2h 07m
Deal found 9/15![Frontier logo]()
$98
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:30 pm -
Nonstop1h 51m
Tue 10/2011:12 am -
1 stop21h 50m
Deal found 9/14![Frontier logo]()
$100
One-way flights from Atlanta to Dulles IntlSearch for one-way flight options from Atlanta to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
Search for one-way flight options from Atlanta to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:49 pm -
1 stop14h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$63
This Mytrip deal was found by Cheapflights users on 9/14. 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 10/155:35 am -
1 stop4h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$65
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:30 am -
1 stop27h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$68
This iWofly deal was found by Cheapflights users on 9/11. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:30 pm -
Nonstop1h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$69
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:30 am -
1 stop25h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$71
Find flight deals from Atlanta to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Dulles Intl (IAD). 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 September 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $93 |
One-way from | $63 (Kiwi.com) |
Popular in | March |
Cheapest in | December |
Average price | $196 |
Good round-trip deal | $197 or less |
Good one-way deal | $126 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Atlanta to Dulles Intl 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 7,457,451 searches. Data last updated September 16, 2026.
Use the filters below to find and compare flights from Atlanta to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AtlantaWashington, D.C.
ATL Atlanta Hartsfield-Jackson - IAD Washington, D.C. Dulles Intl
ATLIAD
Atlanta Hartsfield-Jackson
Wed 11/4
5:30 am-7:18 am
Nonstop1h 48m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
AtlantaWashington, D.C.
ATL Atlanta Hartsfield-Jackson - IAD Washington, D.C. Dulles Intl
ATLIAD
Atlanta Hartsfield-Jackson
Fri 11/6
5:30 am-7:18 am
Nonstop1h 48m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
AtlantaWashington, D.C.
ATL Atlanta Hartsfield-Jackson - IAD Washington, D.C. Dulles Intl
ATLIAD
Atlanta Hartsfield-Jackson
Thu 11/5
5:30 am-7:18 am
Nonstop1h 48m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
AtlantaWashington, D.C.
ATL Atlanta Hartsfield-Jackson - IAD Washington, D.C. Dulles Intl
ATLIAD
Atlanta Hartsfield-Jackson
Thu 12/10
9:52 am-11:39 am
Nonstop1h 47m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$119
AtlantaWashington, D.C.
ATL Atlanta Hartsfield-Jackson - IAD Washington, D.C. Dulles Intl
ATLIAD
Atlanta Hartsfield-Jackson
Thu 11/12
9:30 am-11:23 am
Nonstop1h 53m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$119
AtlantaWashington, D.C.
ATL Atlanta Hartsfield-Jackson - IAD Washington, D.C. Dulles Intl
ATLIAD
Atlanta Hartsfield-Jackson
Sun 11/8
9:45 am-11:32 am
Nonstop1h 47m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$124
AtlantaWashington, D.C.
ATL Atlanta Hartsfield-Jackson - IAD Washington, D.C. Dulles Intl
ATLIAD
Atlanta Hartsfield-Jackson
Sun 10/11
5:40 am-7:23 am
Nonstop1h 43m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$124
Quickest round-trip
AtlantaWashington, D.C.
ATL Atlanta Hartsfield-Jackson - IAD Washington, D.C. Dulles Intl
ATLIAD
Atlanta Hartsfield-Jackson
Mon 10/19
12:25 pm-2:08 pm
Nonstop1h 43m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
AtlantaWashington, D.C.
ATL Atlanta Hartsfield-Jackson - IAD Washington, D.C. Dulles Intl
ATLIAD
Atlanta Hartsfield-Jackson
Thu 10/8
10:55 pm-12:42 am
Nonstop1h 47m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
AtlantaWashington, D.C.
ATL Atlanta Hartsfield-Jackson - IAD Washington, D.C. Dulles Intl
ATLIAD
Atlanta Hartsfield-Jackson
Fri 10/16
5:40 am-7:23 am
Nonstop1h 43m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$164
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Atlanta to Dulles Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to Dulles Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Atlanta-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Atlanta-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Atlanta-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Atlanta to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Atlanta with our price prediction graph.
ATL-IAD
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 Atlanta to Washington, D.C. Dulles Intl Airport
Prices
Airlines
How far ahead should I book a flight from Atlanta to Washington, D.C. Dulles Intl Airport?
To ensure you get the cheapest price possible for a flight from Atlanta to Washington, D.C. Dulles Intl Airport, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Atlanta to Washington, D.C. Dulles Intl Airport?
Currently, December is the cheapest month in which you can book a flight from Atlanta to Washington, D.C. Dulles Intl Airport (average of $141). Flying from Atlanta to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $268). 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 ATL to IAD?
Find hourly flight availability from Atlanta to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2026.
When flying from Atlanta to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 67% versus a flight at noon.
What is the cheapest day to fly from Atlanta to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Atlanta to Dulles Intl. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Atlanta to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Atlanta to Washington, D.C. Dulles Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Atlanta to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated September 16, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andFrontier from Atlanta to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
Find useful and relevant information for your journey from Atlanta to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 locationsAlexandria
Arlington
Owings Mills
Lanham
Tysons
Woodbridge
Reston
Chantilly
Herndon
Hyattsville
Rockville
Fredericksburg
Falls Church
Sterling
Hanover
Laurel
Springfield
Oxon Hill
Clinton
Hunt Valley
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Atlanta and Dulles Intl flights
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Top 3 airlines flying from Atlanta to Dulles Intl
Discover the top 3 airlines that operate flights from Atlanta to Dulles Intl. 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 7,457,451 searches. Data last updated September 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$151 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$141 | Average$275 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$267 | FlexibilityNo cancel fee | On-time69% |