$108+ Cheap flights from Reagan-National (DCA) to O'Hare Intl (ORD)
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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ORD
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Reagan-National to O'Hare 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 Washington, D.C. Reagan-National to Chicago O'Hare Intl are usually found in September or February, booked 80 days in advance, depart on a Saturday or Friday and return on a Saturday
Cheap flight deals from Reagan-National to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Reagan-National to O'Hare IntlExplore the most affordable flight options available from Reagan-National to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Reagan-National to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:00 am -
1 stop5h 53m
Fri 10/29:00 am -
Nonstop2h 08m
Deal found 9/6![United Airlines logo]()
$208
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 pm -
1 stop7h 23m
Wed 9/236:30 am -
1 stop28h 41m
Deal found 9/8![Frontier logo]()
$222
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:15 pm -
1 stop6h 16m
Sat 11/146:00 pm -
Nonstop2h 11m
Deal found 9/9![United Airlines logo]()
$225
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.
Wed 9/237:00 am -
1 stop18h 23m
Sat 9/266:30 am -
1 stop9h 29m
Deal found 9/6![Frontier logo]()
$228
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 pm -
1 stop7h 23m
Wed 10/76:30 am -
1 stop14h 29m
Deal found 9/6![Frontier logo]()
$231
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:05 am -
1 stop5h 48m
Sat 11/77:45 pm -
Nonstop1h 58m
Deal found 9/8![United Airlines logo]()
$232
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
1 stop18h 23m
Wed 9/306:30 am -
1 stop14h 29m
Deal found 9/8![Frontier logo]()
$234
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:00 pm -
1 stop12h 23m
Thu 10/16:30 am -
1 stop14h 29m
Deal found 9/9![Frontier logo]()
$235
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 pm -
1 stop7h 23m
Wed 9/306:30 am -
1 stop14h 29m
Deal found 9/7![Frontier logo]()
$237
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 pm -
1 stop7h 23m
Thu 10/16:30 am -
1 stop9h 29m
Deal found 9/5![Frontier logo]()
$240
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:06 pm -
1 stop12h 17m
Mon 9/286:30 am -
1 stop14h 29m
Deal found 9/5![Frontier logo]()
$241
Best flights from Reagan-National to O'Hare IntlDiscover carefully curated flight deals from Reagan-National to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Reagan-National to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 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 9/302:05 pm -
Nonstop2h 16m
Fri 10/212:40 pm -
Nonstop2h 02m
Deal found 9/9![United Airlines logo]()
$313
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.
Wed 10/2812:27 pm -
1 stop5h 05m
Sat 10/317:00 am -
1 stop4h 39m
Deal found 9/9![Delta logo]()
$319
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 10/168:10 pm -
Nonstop2h 19m
Mon 10/198:00 am -
Nonstop2h 01m
Deal found 9/9![United Airlines logo]()
$313
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.
Tue 11/249:40 am -
1 stop5h 19m
Tue 12/111:39 am -
1 stop4h 00m
Deal found 9/9![Delta logo]()
$329
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.
Sat 10/109:30 am -
Nonstop2h 17m
Mon 10/125:59 am -
Nonstop1h 55m
Deal found 9/5![United Airlines logo]()
$353
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.
Sun 12/65:34 pm -
1 stop3h 41m
Sat 12/121:30 pm -
1 stop4h 59m
Deal found 9/8![Delta logo]()
$364
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 1/157:40 am -
Nonstop2h 22m
Sun 1/176:00 am -
Nonstop1h 59m
Deal found 9/9![United Airlines logo]()
$358
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.
Sat 1/1610:00 am -
1 stop3h 37m
Sun 1/1711:30 am -
1 stop4h 01m
Deal found 9/9![Delta logo]()
$364
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/156:00 am -
1 stop3h 58m
Mon 1/1811:30 am -
1 stop4h 01m
Deal found 9/7![Delta logo]()
$373
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.
Tue 11/241:06 pm -
Nonstop2h 21m
Sun 11/296:00 am -
Nonstop1h 56m
Deal found 9/8![United Airlines logo]()
$374
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.
Wed 12/238:35 am -
Nonstop2h 25m
Sun 12/277:00 am -
Nonstop1h 59m
Deal found 9/6![United Airlines logo]()
$374
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.
Sun 12/206:30 am -
Nonstop2h 22m
Sat 1/27:00 am -
Nonstop1h 59m
Deal found 9/5![United Airlines logo]()
$378
Last-minute flights from Reagan-National to O'Hare IntlDiscover last-minute flight deals from Reagan-National to O'Hare Intl. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to O'Hare Intl. Data last updated September 10, 2026 and is based on user searches.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 am -
1 stop18h 23m
Sun 9/206:30 am -
1 stop28h 41m
Deal found 9/5![Frontier logo]()
$280
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am -
1 stop18h 23m
Tue 9/226:30 am -
1 stop14h 29m
Deal found 9/5![Frontier logo]()
$261
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:00 pm -
1 stop12h 23m
Wed 9/236:30 am -
1 stop14h 29m
Deal found 9/8![Frontier logo]()
$289
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:06 pm -
1 stop12h 17m
Sat 9/266:30 am -
1 stop14h 29m
Deal found 9/5![Frontier logo]()
$241
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am -
1 stop18h 23m
Sun 9/206:30 am -
1 stop28h 41m
Deal found 9/5![Frontier logo]()
$260
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.
Sat 9/191:06 pm -
1 stop12h 17m
Tue 9/226:30 am -
1 stop14h 29m
Deal found 9/7![Frontier logo]()
$271
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 pm -
1 stop7h 23m
Wed 9/236:30 am -
1 stop14h 29m
Deal found 9/8![Frontier logo]()
$283
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am -
1 stop18h 23m
Thu 9/246:30 am -
1 stop9h 29m
Deal found 9/5![Frontier logo]()
$290
One-way flights from Reagan-National to O'Hare IntlSearch for one-way flight options from Reagan-National to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Reagan-National to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 pm -
1 stop7h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$108
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 pm -
1 stop7h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$110
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
1 stop18h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$115
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.
Wed 9/307:00 am -
1 stop18h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$116
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.
Tue 10/276:00 pm -
1 stop7h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$119
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 pm -
1 stop7h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$120
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 pm -
1 stop7h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$121
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 pm -
1 stop7h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$122
Find flight deals from Reagan-National to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to O'Hare Intl (ORD). 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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $208 |
One-way from | $108 (Super.com) |
Popular in | March |
Cheapest in | September |
Average price | $315 |
Good round-trip deal | $303 or less |
Good one-way deal | $228 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Reagan-National to O'Hare 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 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl
DCAORD
Washington, D.C. Reagan-National
Sat 9/19
6:00 pm-12:23 am
1 stop7h 23m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$130
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl
DCAORD
Washington, D.C. Reagan-National
Tue 10/13
1:15 pm-2:32 pm
Nonstop2h 17m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$150
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl
DCAORD
Washington, D.C. Reagan-National
Thu 11/5
1:00 pm-12:21 am
1 stop12h 21m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$156
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl
DCAORD
Washington, D.C. Reagan-National
Tue 10/6
8:10 am-1:08 pm
1 stop5h 58m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$160
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl
DCAORD
Washington, D.C. Reagan-National
Wed 10/7
11:00 am-4:26 pm
1 stop6h 26m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$160
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl
DCAORD
Washington, D.C. Reagan-National
Wed 11/4
10:11 am-11:34 am
Nonstop2h 23m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
Quickest round-trip
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl
DCAORD
Washington, D.C. Reagan-National
Fri 10/16
2:05 pm-3:21 pm
Nonstop2h 16m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl
DCAORD
Washington, D.C. Reagan-National
Sat 11/21
10:15 am-5:05 pm
1 stop7h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$184
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl
DCAORD
Washington, D.C. Reagan-National
Thu 11/12
6:00 am-10:25 am
1 stop5h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$184
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl
DCAORD
Washington, D.C. Reagan-National
Fri 10/23
5:05 pm-9:43 pm
1 stop5h 38m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$190
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Reagan-National to O'Hare 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 Reagan-National to O'Hare 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 Washington, D.C. Reagan-National Airport-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Chicago O'Hare 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 Washington, D.C. Reagan-National Airport-Chicago O'Hare 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 Reagan-National to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Reagan-National with our price prediction graph.
DCA-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport
Prices
Airlines
How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport?
The price you pay for your flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport (average of $315). Flying from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $423). 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 DCA to ORD?
Find hourly flight availability from Reagan-National to O'Hare 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 10, 2026.
It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport in the evening. Doing so could potentially save you 6% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Reagan-National to O'Hare Intl. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Washington, D.C. Reagan-National Airport to Chicago O'Hare 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 Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport trip
Our travel experts
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare 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 O'Hare Intl. Reviews last updated September 10, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport, such as United Airlines,American Airlines, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.7
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.7
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.7
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Reagan-National to O'Hare 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 Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Lake Geneva
Naperville
Des Plaines
Glenview
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Libertyville
Orland Park
Hoffman Estates
Aurora
Beloit
Rockford
South Holland
Elgin
Racine
Janesville
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Reagan-National and O'Hare Intl flights
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Top 3 airlines flying from Reagan-National to O'Hare Intl
Discover the top 3 airlines that operate flights from Reagan-National to O'Hare 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$29 | Average$169 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$197 | Average$359 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$212 | Average$384 | FlexibilityNo cancel fee | On-time69% |