$86+ Cheap flights from Columbus (CMH) 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — IAD
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Columbus 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 Columbus to Washington, D.C. Dulles Intl are usually found in January or September, booked 14 days in advance, depart on a Tuesday or Friday and return on a Saturday
Cheap flight deals from Columbus to Dulles Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Columbus to Dulles IntlExplore the most affordable flight options available from Columbus to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Columbus to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:44 pm -
1 stop28h 37m
Tue 10/136:08 pm -
2 stops24h 40m
Deal found 9/16![Multiple Airlines logo]()
$193
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:12 pm -
1 stop16h 05m
Mon 10/266:08 pm -
1 stop18h 36m
Deal found 9/13![Frontier logo]()
$194
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 10/146:02 am -
Nonstop1h 25m
Mon 10/1910:30 pm -
Nonstop1h 29m
Deal found 9/13![United Airlines logo]()
$199
This CheapOair deal was found by Cheapflights users on 9/17. 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.
Thu 11/57:44 pm -
1 stop21h 28m
Sun 11/87:40 am -
1 stop10h 53m
Deal found 9/17![Frontier logo]()
$201
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 10/126:02 am -
Nonstop1h 25m
Mon 10/1210:30 pm -
Nonstop1h 29m
Deal found 9/15![United Airlines logo]()
$202
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:07 am -
1 stop4h 38m
Mon 10/56:26 pm -
1 stop4h 36m
Deal found 9/16![Delta logo]()
$203
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:16 pm -
1 stop13h 01m
Mon 10/126:08 pm -
1 stop18h 34m
Deal found 9/15![Frontier logo]()
$204
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:44 pm -
1 stop4h 37m
Sun 10/187:50 am -
1 stop10h 58m
Deal found 9/12![Frontier logo]()
$205
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:09 am -
2 stops14h 34m
Thu 11/57:40 am -
1 stop10h 53m
Deal found 9/14![Multiple Airlines logo]()
$206
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:44 pm -
1 stop4h 37m
Sun 10/187:50 am -
1 stop10h 58m
Deal found 9/14![Frontier logo]()
$207
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:19 am -
1 stop24h 58m
Mon 10/126:08 pm -
1 stop18h 34m
Deal found 9/14![Frontier logo]()
$209
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:32 pm -
2 stops15h 45m
Thu 10/87:54 am -
1 stop10h 54m
Deal found 9/16![Multiple Airlines logo]()
$211
Best flights from Columbus to Dulles IntlDiscover carefully curated flight deals from Columbus to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Columbus to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
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 10/105:19 pm -
1 stop7h 23m
Wed 10/146:00 am -
1 stop6h 00m
Deal found 9/15![Delta logo]()
$203
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 10/76:02 am -
Nonstop1h 25m
Sun 10/1110:30 pm -
Nonstop1h 29m
Deal found 9/12![United Airlines logo]()
$282
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.
Mon 10/57:07 am -
1 stop4h 38m
Tue 10/66:12 pm -
1 stop4h 22m
Deal found 9/15![Delta logo]()
$203
This Delta deal was found by Cheapflights users on 9/17. 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 10/167:22 pm -
1 stop5h 20m
Mon 10/197:45 pm -
1 stop4h 59m
Deal found 9/17![Delta logo]()
$247
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.
Thu 12/108:03 pm -
Nonstop1h 17m
Sun 12/1310:14 pm -
Nonstop1h 30m
Deal found 9/15![United Airlines logo]()
$292
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 10/236:02 am -
Nonstop1h 25m
Sun 10/2510:14 pm -
Nonstop1h 30m
Deal found 9/15![United Airlines logo]()
$295
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:35 pm -
1 stop4h 58m
Sun 11/16:05 am -
1 stop3h 55m
Deal found 9/14![Delta logo]()
$282
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:14 pm -
Nonstop1h 21m
Tue 11/105:29 pm -
1 stop4h 58m
Deal found 9/16![United Airlines logo]()
$298
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:25 pm -
1 stop4h 46m
Wed 10/78:20 am -
Nonstop1h 24m
Deal found 9/16![United Airlines logo]()
$298
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.
Fri 11/133:04 pm -
1 stop6h 26m
Sun 11/156:00 am -
1 stop5h 31m
Deal found 9/15![Delta logo]()
$315
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.
Thu 10/157:00 am -
1 stop4h 55m
Tue 10/2010:30 pm -
Nonstop1h 29m
Deal found 9/15![United Airlines logo]()
$298
Last-minute flights from Columbus to Dulles IntlDiscover last-minute flight deals from Columbus to Dulles Intl. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Dulles Intl. Data last updated September 17, 2026 and is based on user searches.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:07 am -
1 stop4h 38m
Mon 10/56:26 pm -
1 stop4h 36m
Deal found 9/16![Delta logo]()
$203
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:32 pm -
2 stops15h 45m
Thu 10/87:54 am -
1 stop10h 54m
Deal found 9/16![Multiple Airlines logo]()
$211
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:16 pm -
1 stop13h 01m
Mon 10/126:08 pm -
1 stop18h 34m
Deal found 9/15![Frontier logo]()
$204
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:44 pm -
1 stop28h 37m
Tue 10/136:08 pm -
2 stops24h 40m
Deal found 9/16![Multiple Airlines logo]()
$193
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:19 am -
1 stop24h 58m
Mon 10/126:08 pm -
1 stop18h 34m
Deal found 9/14![Frontier logo]()
$209
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 10/126:02 am -
Nonstop1h 25m
Mon 10/1210:30 pm -
Nonstop1h 29m
Deal found 9/15![United Airlines logo]()
$202
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:44 pm -
1 stop4h 37m
Sun 10/187:50 am -
1 stop10h 58m
Deal found 9/12![Frontier logo]()
$205
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 10/146:02 am -
Nonstop1h 25m
Mon 10/1910:30 pm -
Nonstop1h 29m
Deal found 9/13![United Airlines logo]()
$199
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:44 pm -
1 stop4h 37m
Sun 10/187:50 am -
1 stop10h 58m
Deal found 9/14![Frontier logo]()
$207
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:12 pm -
1 stop16h 05m
Mon 10/266:08 pm -
1 stop18h 36m
Deal found 9/13![Frontier logo]()
$194
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:09 am -
2 stops14h 34m
Thu 11/57:40 am -
1 stop10h 53m
Deal found 9/14![Multiple Airlines logo]()
$206
One-way flights from Columbus to Dulles IntlSearch for one-way flight options from Columbus to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Columbus to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:44 pm -
2 stops38h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$86
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:29 pm -
1 stop6h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$91
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/146:02 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$92
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:44 pm -
2 stops38h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$93
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:16 pm -
1 stop13h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$97
This Delta deal was found by Cheapflights users on 9/17. 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.
Wed 10/147:08 am -
1 stop4h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$102
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:14 pm -
Nonstop1h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$111
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:58 pm -
1 stop19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$117
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 10/93:14 pm -
Nonstop1h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$125
Find flight deals from Columbus to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Columbus (CMH) 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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $193 (Kiwi.com) |
One-way from | $86 (Kiwi.com) |
Popular in | October |
Cheapest in | January |
Average price | $269 |
Good round-trip deal | $493 or less |
Good one-way deal | $198 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Columbus 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 17, 2026.
Use the filters below to find and compare flights from Columbus Airport to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ColumbusWashington, D.C.
CMH Columbus - IAD Washington, D.C. Dulles Intl
CMHIAD
Columbus
Wed 11/4
10:36 am-11:55 am
Nonstop1h 19m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$92
ColumbusWashington, D.C.
CMH Columbus - IAD Washington, D.C. Dulles Intl
CMHIAD
Columbus
Sat 10/10
7:59 pm-9:30 pm
Nonstop1h 31m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$92
ColumbusWashington, D.C.
CMH Columbus - IAD Washington, D.C. Dulles Intl
CMHIAD
Columbus
Mon 10/19
7:26 pm-11:16 pm
1 stop3h 50m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$102
ColumbusWashington, D.C.
CMH Columbus - IAD Washington, D.C. Dulles Intl
CMHIAD
Columbus
Mon 11/23
11:02 am-4:26 pm
1 stop5h 24m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$102
ColumbusWashington, D.C.
CMH Columbus - IAD Washington, D.C. Dulles Intl
CMHIAD
Columbus
Mon 10/12
3:14 pm-4:35 pm
Nonstop1h 21m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$102
ColumbusWashington, D.C.
CMH Columbus - IAD Washington, D.C. Dulles Intl
CMHIAD
Columbus
Sun 12/20
6:00 am-7:29 am
Nonstop1h 29m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$173
ColumbusWashington, D.C.
CMH Columbus - IAD Washington, D.C. Dulles Intl
CMHIAD
Columbus
Fri 11/20
10:32 am-4:26 pm
1 stop5h 54m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$183
ColumbusWashington, D.C.
CMH Columbus - IAD Washington, D.C. Dulles Intl
CMHIAD
Columbus
Sun 12/20
6:00 am-12:16 pm
1 stop6h 16m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$183
ColumbusWashington, D.C.
CMH Columbus - IAD Washington, D.C. Dulles Intl
CMHIAD
Columbus
Mon 10/12
6:32 pm-5:13 pm
3 stops22h 41m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$185
ColumbusWashington, D.C.
CMH Columbus - IAD Washington, D.C. Dulles Intl
CMHIAD
Columbus
Sat 12/19
6:00 am-7:29 am
Nonstop1h 29m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$188
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Columbus 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 Columbus to Dulles Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Columbus Airport-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 Columbus Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Columbus Airport-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 Columbus Airport-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 Columbus Airport-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 Columbus to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Columbus with our price prediction graph.
CMH-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.
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Everything you need to know about your flight from Columbus Airport to Washington, D.C. Dulles Intl Airport
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How far ahead should I book a flight from Columbus Airport to Washington, D.C. Dulles Intl Airport?
Booking 13 days in advance of your planned departure date is, on average, the best time to get cheap flights from Columbus Airport to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Columbus Airport to Washington, D.C. Dulles Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Columbus Airport to Washington, D.C. Dulles Intl Airport (average of $268). Flying from Columbus Airport to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of $515). 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 CMH to IAD?
Find hourly flight availability from Columbus 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 17, 2026.
It’s optimal to fly from Columbus Airport to Washington, D.C. Dulles Intl Airport in the morning. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from Columbus Airport to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Columbus to Dulles Intl. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Columbus Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Columbus Airport 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 Columbus Airport 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 17, 2026.
Get a feel of what it's like to fly with United Airlines from Columbus Airport 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
7.4
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Columbus 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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Columbus and Dulles Intl flights
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Top airline flying from Columbus to Dulles Intl
Discover the top airline that operate flights from Columbus 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$191 | Average$324 | FlexibilityNo cancel fee | On-time69% |