$131+ Cheap flights from Kansas City (MCI) 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — IAD
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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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
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Cheapest flights from Kansas City to Dulles IntlExplore the most affordable flight options available from Kansas City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Kansas City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/39:59 am -
1 stop5h 02m
Mon 10/55:58 pm -
Nonstop2h 48m
Deal found 9/8![United Airlines logo]()
$271
This CheapOair deal was found by Cheapflights users on 9/4. 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.
Sun 9/2010:30 pm -
1 stop30h 50m
Thu 9/246:00 am -
1 stop16h 45m
Deal found 9/4![Frontier logo]()
$278
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:50 am -
Nonstop2h 29m
Mon 10/125:58 pm -
Nonstop2h 48m
Deal found 9/9![United Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/16:42 pm -
1 stop4h 59m
Mon 10/56:47 pm -
1 stop5h 13m
Deal found 9/8![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/211:50 am -
Nonstop2h 29m
Mon 10/55:58 pm -
Nonstop2h 48m
Deal found 9/8![United Airlines logo]()
$285
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/1611:50 am -
Nonstop2h 29m
Tue 10/205:58 pm -
Nonstop2h 48m
Deal found 9/8![United Airlines logo]()
$286
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/305:46 pm -
Nonstop2h 39m
Thu 10/15:58 pm -
Nonstop2h 48m
Deal found 9/8![United Airlines logo]()
$293
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:53 pm -
1 stop16h 27m
Wed 10/146:00 am -
1 stop31h 52m
Deal found 9/9![Frontier logo]()
$297
This CheapOair deal was found by Cheapflights users on 9/7. 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.
Mon 9/1410:30 pm -
1 stop30h 50m
Fri 9/256:00 am -
1 stop16h 45m
Deal found 9/7![Frontier logo]()
$299
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/3011:22 am -
1 stop5h 22m
Fri 10/25:58 pm -
Nonstop2h 48m
Deal found 9/8![United Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/196:39 pm -
1 stop5h 19m
Mon 10/265:55 pm -
Nonstop3h 00m
Deal found 9/8![United Airlines logo]()
$304
Best flights from Kansas City to Dulles IntlDiscover carefully curated flight deals from Kansas City to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Kansas City to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/111:50 am -
Nonstop2h 29m
Sat 10/104:02 pm -
1 stop6h 58m
Deal found 9/8![United Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/15:30 pm -
1 stop6h 11m
Fri 10/23:15 pm -
1 stop5h 47m
Deal found 9/8![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/196:39 pm -
1 stop5h 19m
Mon 10/265:55 pm -
Nonstop3h 00m
Deal found 9/8![United Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 9/8. 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 2/38:00 am -
1 stop5h 41m
Sun 2/77:00 am -
1 stop7h 25m
Deal found 9/8![Delta logo]()
$360
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 11/195:55 pm -
1 stop4h 26m
Thu 12/311:30 am -
1 stop6h 36m
Deal found 9/8![Delta logo]()
$360
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/611:50 am -
Nonstop2h 29m
Wed 10/145:58 pm -
Nonstop2h 48m
Deal found 9/5![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/711:50 am -
Nonstop2h 29m
Sat 10/105:58 pm -
Nonstop2h 48m
Deal found 9/4![United Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 9/8. 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 9/285:45 pm -
1 stop4h 29m
Thu 10/16:00 am -
1 stop6h 14m
Deal found 9/8![Delta logo]()
$410
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/1011:50 am -
Nonstop2h 30m
Sun 10/185:58 pm -
Nonstop2h 48m
Deal found 9/4![United Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/1411:50 am -
Nonstop2h 29m
Mon 10/195:58 pm -
Nonstop2h 48m
Deal found 9/4![United Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/1511:50 am -
Nonstop2h 29m
Sat 10/1712:48 pm -
Nonstop2h 49m
Deal found 9/6![United Airlines logo]()
$453
Last-minute flights from Kansas City to Dulles IntlDiscover last-minute flight deals from Kansas City to Dulles Intl. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Dulles Intl. Data last updated September 9, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/7. 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.
Mon 9/1410:30 pm -
1 stop30h 50m
Fri 9/256:00 am -
1 stop16h 45m
Deal found 9/7![Frontier logo]()
$299
This CheapOair deal was found by Cheapflights users on 9/4. 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.
Sun 9/2010:30 pm -
1 stop30h 50m
Thu 9/246:00 am -
1 stop16h 45m
Deal found 9/4![Frontier logo]()
$278
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/305:46 pm -
Nonstop2h 39m
Thu 10/15:58 pm -
Nonstop2h 48m
Deal found 9/8![United Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/3011:22 am -
1 stop5h 22m
Fri 10/25:58 pm -
Nonstop2h 48m
Deal found 9/8![United Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/211:50 am -
Nonstop2h 29m
Mon 10/55:58 pm -
Nonstop2h 48m
Deal found 9/8![United Airlines logo]()
$285
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/39:59 am -
1 stop5h 02m
Mon 10/55:58 pm -
Nonstop2h 48m
Deal found 9/8![United Airlines logo]()
$271
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:50 am -
Nonstop2h 29m
Mon 10/125:58 pm -
Nonstop2h 48m
Deal found 9/9![United Airlines logo]()
$280
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:53 pm -
1 stop16h 27m
Wed 10/146:00 am -
1 stop31h 52m
Deal found 9/9![Frontier logo]()
$297
This Delta deal was found by Cheapflights users on 9/8. 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 10/1412:35 pm -
1 stop6h 39m
Mon 10/197:45 pm -
1 stop5h 11m
Deal found 9/8![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/1611:50 am -
Nonstop2h 29m
Tue 10/205:58 pm -
Nonstop2h 48m
Deal found 9/8![United Airlines logo]()
$286
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/196:39 pm -
1 stop5h 19m
Mon 10/265:55 pm -
Nonstop3h 00m
Deal found 9/8![United Airlines logo]()
$304
One-way flights from Kansas City to Dulles IntlSearch for one-way flight options from Kansas City to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Kansas City to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:50 am -
Nonstop2h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$131
This Super.com deal was found by Cheapflights users on 9/6. 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.
Mon 11/239:06 am -
1 stop10h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 9/4. 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 9/2010:30 pm -
1 stop30h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$134
This Frontier deal was found by Cheapflights users on 9/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:29 pm -
1 stop14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$135
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:32 am -
1 stop6h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$141
This Super.com deal was found by Cheapflights users on 9/6. 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 10/251:37 pm -
1 stop15h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$153
This Super.com deal was found by Cheapflights users on 9/6. 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.
Mon 9/1410:30 pm -
1 stop30h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$154
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2711:33 am -
Nonstop2h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$155
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop4h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$159
This Jetabroad deal was found by Cheapflights users on 9/6. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:30 pm -
1 stop30h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$161
Find flight deals from Kansas City to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) 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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (United Airlines) |
One-way from | $131 (United Airlines) |
Popular in | November |
Cheapest in | September |
Average price | $354 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kansas City 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 9, 2026.
Use the filters below to find and compare flights from Kansas City to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Kansas CityWashington, D.C.
MCI Kansas City - IAD Washington, D.C. Dulles Intl
MCIIAD
Kansas City
Sat 10/31
11:33 am-3:00 pm
Nonstop2h 27m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$131
Kansas CityWashington, D.C.
MCI Kansas City - IAD Washington, D.C. Dulles Intl
MCIIAD
Kansas City
Wed 10/21
5:40 am-11:32 am
1 stop4h 52m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$141
Kansas CityWashington, D.C.
MCI Kansas City - IAD Washington, D.C. Dulles Intl
MCIIAD
Kansas City
Thu 11/26
10:26 am-1:53 pm
Nonstop2h 27m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$171
Kansas CityWashington, D.C.
MCI Kansas City - IAD Washington, D.C. Dulles Intl
MCIIAD
Kansas City
Tue 11/24
6:00 am-11:52 am
1 stop4h 52m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$205
Kansas CityWashington, D.C.
MCI Kansas City - IAD Washington, D.C. Dulles Intl
MCIIAD
Kansas City
Sun 10/25
11:33 am-3:00 pm
Nonstop2h 27m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$220
Kansas CityWashington, D.C.
MCI Kansas City - IAD Washington, D.C. Dulles Intl
MCIIAD
Kansas City
Wed 11/25
5:50 pm-9:25 pm
Nonstop2h 35m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$225
Kansas CityWashington, D.C.
MCI Kansas City - IAD Washington, D.C. Dulles Intl
MCIIAD
Kansas City
Wed 10/28
11:33 am-3:00 pm
Nonstop2h 27m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$227
Kansas CityWashington, D.C.
MCI Kansas City - IAD Washington, D.C. Dulles Intl
MCIIAD
Kansas City
Thu 9/17
1:13 pm-10:52 pm
1 stop8h 39m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$241
Kansas CityWashington, D.C.
MCI Kansas City - IAD Washington, D.C. Dulles Intl
MCIIAD
Kansas City
Sat 9/19
5:39 pm-9:18 pm
Nonstop2h 39m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$255
Kansas CityWashington, D.C.
MCI Kansas City - IAD Washington, D.C. Dulles Intl
MCIIAD
Kansas City
Tue 9/15
2:54 pm-10:51 pm
1 stop6h 57m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$265
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Kansas City 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 Kansas City 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 Kansas City-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 Kansas City-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-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 Kansas City-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 Kansas City-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 Kansas City to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Kansas City with our price prediction graph.
MCI-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 Kansas City to Washington, D.C. Dulles Intl Airport
Prices
Airlines
What is the cheapest month to book a flight from Kansas City to Washington, D.C. Dulles Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Kansas City to Washington, D.C. Dulles Intl Airport (average of $354). Flying from Kansas City to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $558). 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 MCI to IAD?
Find hourly flight availability from Kansas City 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 9, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kansas City to Washington, D.C. Dulles Intl Airport as you normally would.
The best insider tips for Kansas City 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 Kansas City 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 9, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Kansas City to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Kansas City 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
Tysons
Lanham
Reston
Chantilly
Herndon
Rockville
Hyattsville
Fredericksburg
Woodbridge
Falls Church
Sterling
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Silver Spring
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Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
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Kansas City and Dulles Intl flights
Browse other Kansas City and Dulles Intl flight options. Last updated on September 9, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Kansas City to Dulles Intl
Discover the top 2 airlines that operate flights from Kansas City 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$153 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$269 | Average$448 | FlexibilityNo cancel fee | On-time69% |