$89+ Cheap flights from Chicago (CHI) to Reagan-National (DCA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DCA
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Reagan-National 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 Chicago to Washington, D.C. Reagan-National are usually found in September or October, booked 80 days in advance, depart on a Saturday or Thursday and return on a Saturday
Cheap flight deals from Chicago to Reagan-National
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Cheapest flights from Chicago to Reagan-NationalExplore the most affordable flight options available from Chicago to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
Explore the most affordable flight options available from Chicago to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
This American Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:56 pm -
Nonstop2h 07m
Wed 9/238:40 am -
Nonstop2h 30m
Deal found 8/28![American Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 8/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:10 am -
Nonstop1h 45m
Wed 10/286:35 pm -
Nonstop2h 00m
Deal found 8/28![Southwest logo]()
$177
This Trip.com deal was found by Cheapflights users on 8/28. 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.
Sat 9/266:30 am -
1 stop28h 41m
Wed 9/307:00 am -
1 stop18h 23m
Deal found 8/28![Frontier logo]()
$178
This Expedia deal was found by Cheapflights users on 8/28. 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 9/266:30 am -
1 stop9h 29m
Sat 10/36:00 pm -
1 stop7h 23m
Deal found 8/28![Frontier logo]()
$187
This Delta deal was found by Cheapflights users on 8/28. 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 10/15:10 pm -
1 stop4h 52m
Tue 10/67:59 am -
1 stop5h 14m
Deal found 8/28![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 8/28. 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 10/246:44 pm -
1 stop3h 23m
Wed 10/286:10 am -
1 stop4h 07m
Deal found 8/28![Delta logo]()
$197
This Trip.com deal was found by Cheapflights users on 8/28. 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.
Thu 10/156:30 am -
1 stop14h 29m
Mon 10/197:00 am -
1 stop18h 24m
Deal found 8/28![Frontier logo]()
$204
This deal was found by Cheapflights users on 8/30. 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.
Tue 9/2912:09 pm -
1 stop6h 30m
Fri 10/93:30 pm -
Nonstop2h 22m
Deal found 8/30![United Airlines logo]()
$206
This Expedia deal was found by Cheapflights users on 8/27. 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.
Sun 9/136:30 am -
1 stop28h 41m
Tue 10/67:00 am -
1 stop18h 23m
Deal found 8/27![Frontier logo]()
$209
This Trip.com deal was found by Cheapflights users on 8/28. 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.
Sat 9/266:30 am -
1 stop14h 29m
Tue 9/297:00 am -
1 stop18h 23m
Deal found 8/28![Frontier logo]()
$210
This Super.com deal was found by Cheapflights users on 8/28. 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 9/246:30 am -
1 stop28h 41m
Sat 9/266:00 pm -
1 stop7h 23m
Deal found 8/28![Frontier logo]()
$215
This American Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:50 am -
Nonstop2h 04m
Tue 9/292:54 pm -
Nonstop2h 24m
Deal found 8/28![American Airlines logo]()
$216
Best flights from Chicago to Reagan-NationalDiscover carefully curated flight deals from Chicago to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
Discover carefully curated flight deals from Chicago to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:35 am -
1 stop4h 40m
Thu 10/81:05 pm -
Nonstop2h 00m
Deal found 9/1![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 9/1. 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 11/237:05 am -
1 stop3h 24m
Wed 12/24:05 pm -
1 stop5h 44m
Deal found 9/1![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:59 am -
Nonstop2h 09m
Tue 11/38:30 am -
Nonstop2h 30m
Deal found 8/31![United Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:10 am -
Nonstop1h 50m
Wed 10/72:00 pm -
1 stop7h 40m
Deal found 9/1![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 9/1. 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 10/58:55 am -
1 stop6h 43m
Wed 10/71:25 pm -
1 stop6h 55m
Deal found 9/1![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/297:00 am -
Nonstop1h 56m
Thu 10/295:10 pm -
Nonstop2h 21m
Deal found 8/28![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:10 pm -
1 stop5h 15m
Wed 10/289:10 am -
Nonstop2h 00m
Deal found 9/1![Southwest logo]()
$309
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/255:59 am -
Nonstop1h 55m
Wed 9/301:15 pm -
Nonstop2h 17m
Deal found 8/30![United Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:40 am -
Nonstop1h 50m
Sat 10/316:05 am -
2 stops8h 10m
Deal found 9/1![Southwest logo]()
$314
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/72:00 pm -
Nonstop2h 08m
Sun 10/116:30 am -
Nonstop2h 14m
Deal found 9/1![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:50 pm -
1 stop5h 05m
Mon 11/98:25 am -
1 stop4h 15m
Deal found 8/31![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 8/29. 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 10/152:30 pm -
1 stop5h 13m
Mon 10/191:25 pm -
1 stop5h 55m
Deal found 8/29![Delta logo]()
$392
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:10 am -
Nonstop1h 45m
Mon 11/210:45 am -
Nonstop2h 05m
Deal found 8/31![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/66:00 am -
Nonstop1h 55m
Thu 9/106:30 am -
Nonstop2h 14m
Deal found 8/28![United Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 8/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:50 pm -
Nonstop1h 50m
Sat 10/311:00 pm -
Nonstop2h 00m
Deal found 8/29![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/1312:40 pm -
Nonstop2h 02m
Wed 10/1410:30 am -
Nonstop2h 16m
Deal found 8/31![United Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:55 am -
2 stops6h 45m
Wed 10/147:25 am -
1 stop6h 00m
Deal found 9/1![Southwest logo]()
$324
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:59 am -
Nonstop1h 56m
Mon 11/306:25 am -
Nonstop2h 18m
Deal found 9/1![United Airlines logo]()
$393
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:55 am -
1 stop5h 00m
Mon 10/129:30 am -
Nonstop2h 00m
Deal found 9/1![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:59 am -
Nonstop2h 09m
Wed 11/116:06 pm -
Nonstop2h 24m
Deal found 8/28![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 8/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:15 pm -
Nonstop1h 50m
Sat 10/106:00 am -
1 stop7h 05m
Deal found 8/28![Southwest logo]()
$333
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/215:59 am -
Nonstop1h 55m
Wed 10/281:05 pm -
Nonstop2h 21m
Deal found 8/28![United Airlines logo]()
$399
Last-minute flights from Chicago to Reagan-NationalDiscover last-minute flight deals from Chicago to Reagan-National. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Reagan-National. Data last updated September 2, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/27. 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.
Sun 9/136:30 am -
1 stop28h 41m
Tue 10/67:00 am -
1 stop18h 23m
Deal found 8/27![Frontier logo]()
$209
This American Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:56 pm -
Nonstop2h 07m
Wed 9/238:40 am -
Nonstop2h 30m
Deal found 8/28![American Airlines logo]()
$177
This Super.com deal was found by Cheapflights users on 8/28. 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 9/246:30 am -
1 stop28h 41m
Sat 9/266:00 pm -
1 stop7h 23m
Deal found 8/28![Frontier logo]()
$215
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:55 am -
Nonstop1h 55m
Sat 9/263:40 pm -
Nonstop2h 10m
Deal found 9/1![Southwest logo]()
$299
This American Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:50 am -
Nonstop2h 04m
Tue 9/292:54 pm -
Nonstop2h 24m
Deal found 8/28![American Airlines logo]()
$216
This Trip.com deal was found by Cheapflights users on 8/28. 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.
Sat 9/266:30 am -
1 stop28h 41m
Wed 9/307:00 am -
1 stop18h 23m
Deal found 8/28![Frontier logo]()
$178
This Expedia deal was found by Cheapflights users on 8/28. 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 9/266:30 am -
1 stop9h 29m
Sat 10/36:00 pm -
1 stop7h 23m
Deal found 8/28![Frontier logo]()
$187
This Trip.com deal was found by Cheapflights users on 8/28. 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.
Sat 9/266:30 am -
1 stop14h 29m
Tue 9/297:00 am -
1 stop18h 23m
Deal found 8/28![Frontier logo]()
$210
This deal was found by Cheapflights users on 8/30. 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.
Tue 9/2912:09 pm -
1 stop6h 30m
Fri 10/93:30 pm -
Nonstop2h 22m
Deal found 8/30![United Airlines logo]()
$206
This Delta deal was found by Cheapflights users on 8/28. 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 10/15:10 pm -
1 stop4h 52m
Tue 10/67:59 am -
1 stop5h 14m
Deal found 8/28![Delta logo]()
$197
This Trip.com deal was found by Cheapflights users on 8/28. 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.
Thu 10/156:30 am -
1 stop14h 29m
Mon 10/197:00 am -
1 stop18h 24m
Deal found 8/28![Frontier logo]()
$204
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:10 am -
Nonstop1h 50m
Mon 11/28:25 am -
1 stop4h 15m
Deal found 9/1![Southwest logo]()
$305
One-way flights from Chicago to Reagan-NationalSearch for one-way flight options from Chicago to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
Search for one-way flight options from Chicago to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/191:55 pm -
Nonstop2h 08m
Deal found 8/27![United Airlines logo]()
$89
This Super.com deal was found by Cheapflights users on 8/31. 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 9/156:30 am -
1 stop9h 29m
Deal found 8/31![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 8/28. 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 9/296:30 am -
1 stop9h 29m
Deal found 8/28![Frontier logo]()
$111
This Booking.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:30 am -
1 stop28h 34m
Deal found 8/28![Frontier logo]()
$114
This Super.com deal was found by Cheapflights users on 8/30. 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 9/206:30 am -
1 stop28h 41m
Deal found 8/30![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 8/31. 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 9/306:30 am -
1 stop28h 41m
Deal found 8/31![Frontier logo]()
$116
This Booking.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:30 am -
1 stop28h 41m
Deal found 8/31![Frontier logo]()
$117
This Trip.com deal was found by Cheapflights users on 8/28. 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.
Thu 10/156:30 am -
1 stop14h 29m
Deal found 8/28![Frontier logo]()
$118
This Trip.com deal was found by Cheapflights users on 8/30. 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.
Wed 9/236:30 am -
1 stop28h 41m
Deal found 8/30![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 8/31. 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 10/276:30 am -
1 stop9h 17m
Deal found 8/31![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Fri 10/306:30 am -
1 stop9h 17m
Deal found 8/28![Frontier logo]()
$121
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:00 pm -
Nonstop1h 55m
Deal found 9/1![Southwest logo]()
$150
Find flight deals from Chicago to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Reagan-National (DCA). 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 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (United Airlines) |
One-way from | $89 (United Airlines) |
Popular in | June |
Cheapest in | September |
Average price | $300 |
Good round-trip deal | $255 or less |
Good one-way deal | $122 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Reagan-National 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 2, 2026.
Use the filters below to find and compare flights from Chicago to Washington, D.C. Reagan-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Thu 10/1
8:35 am-2:15 pm
1 stop4h 40m
Washington, D.C. Reagan-National
Thu 10/8
1:05 pm-2:05 pm
Nonstop2h 00m
$309
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Mon 10/5
11:10 am-2:00 pm
Nonstop1h 50m
Washington, D.C. Reagan-National
Wed 10/7
2:00 pm-8:40 pm
1 stop7h 40m
$309
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Mon 10/26
1:10 pm-7:25 pm
1 stop5h 15m
Washington, D.C. Reagan-National
Wed 10/28
9:10 am-10:10 am
Nonstop2h 00m
$309
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Tue 10/20
5:40 am-8:30 am
Nonstop1h 50m
Washington, D.C. Reagan-National
Sat 10/31
6:05 am-1:15 pm
2 stops8h 10m
$314
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Thu 11/5
4:50 pm-10:55 pm
1 stop5h 05m
Washington, D.C. Reagan-National
Mon 11/9
8:25 am-11:40 am
1 stop4h 15m
$314
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Mon 11/23
7:05 am-11:29 am
1 stop3h 24m
Washington, D.C. Reagan-National
Wed 12/2
4:05 pm-8:49 pm
1 stop5h 44m
$319
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Mon 10/5
8:55 am-4:38 pm
1 stop6h 43m
Washington, D.C. Reagan-National
Wed 10/7
1:25 pm-7:20 pm
1 stop6h 55m
$319
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Mon 11/2
7:59 am-11:08 am
Nonstop2h 09m
Washington, D.C. Reagan-National
Tue 11/3
8:30 am-10:00 am
Nonstop2h 30m
$323
Quickest round-trip
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Tue 10/27
9:10 am-11:55 am
Nonstop1h 45m
Washington, D.C. Reagan-National
Mon 11/2
10:45 am-11:50 am
Nonstop2h 05m
$323
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Tue 10/27
4:50 pm-7:40 pm
Nonstop1h 50m
Washington, D.C. Reagan-National
Sat 10/31
1:00 pm-2:00 pm
Nonstop2h 00m
$323
Showing 1-10 of 38 resultsSorted by cheapest first
Compare providers for flights from Chicago to Reagan-National
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 Chicago to Reagan-National in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Washington, D.C. Reagan-National 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 Chicago-Washington, D.C. Reagan-National 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 Chicago to Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Chicago with our price prediction graph.
CHI-DCA
ORD-DCA
MDW-DCA
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 Chicago to Washington, D.C. Reagan-National Airport
CHI-DCA
ORD-DCA
MDW-DCA
What is the cheapest month to book a flight from Chicago to Washington, D.C. Reagan-National Airport?
Currently, October is the cheapest month in which you can book a flight from Chicago to Washington, D.C. Reagan-National Airport (average of $303). Flying from Chicago to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $444). 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 CHI to DCA?
Find hourly flight availability from Chicago to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 2, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 15% on flights from Chicago to Washington, D.C. Reagan-National Airport by exploring options for tickets in the morning.
Weekly flight availability from Chicago to Washington, D.C. Reagan-National Airport
Explore weekly flight availability from Chicago to Reagan-National. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 2, 2026.
The most flights from CHI to DCA are scheduled on a Monday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).
How much does it cost to fly round-trip from Chicago to Washington, D.C. Reagan-National Airport?
Airfare is below average for this route at the moment.
Chicago to Washington, D.C. Reagan-National Airport flights typically cost between $253 and $402 in September.The cheapest round-trip price found within the last 5 days was $177 on United Airlines (Sep 19-Sep 26).
How often are flights from Chicago to Washington, D.C. delayed?
About 23% of weekly flights between Chicago and Washington, D.C. have experienced delays in the past year, with the average delay time being 132 minutes.
What is the most punctual flight time for Chicago to Washington, D.C. flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Washington, D.C. flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 23% of flights being delayed.
How far ahead should I book a flight from Chicago to Washington, D.C. Reagan-National Airport?
To ensure you get the cheapest price possible for a flight from Chicago to Washington, D.C. Reagan-National Airport, you should look to book at least 83 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Chicago to Washington, D.C. Reagan-National Airport?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Reagan-National. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their Chicago to Washington, D.C. Reagan-National Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Chicago to Washington, D.C. Reagan-National 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 Chicago to Washington, D.C. Reagan-National Airport trip
Our travel experts
Reviews of airlines servicing Reagan-National
Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated September 2, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Chicago to Washington, D.C. Reagan-National 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.
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Related info for your journey
Find useful and relevant information for your journey from Chicago to Reagan-National. 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. Reagan-National Airport?
Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locationsAlexandria
Owings Mills
Arlington
Tysons
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Woodbridge
Falls Church
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Silver Spring
Largo
Springfield
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Chicago and Reagan-National flights
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Top 5 airlines flying from Chicago to Reagan-National
Discover the top 5 airlines that operate flights from Chicago to Reagan-National. 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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$267 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$141 | Average$248 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$192 | Average$327 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$399 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$223 | Average$423 | FlexibilityNo cancel fee | On-time69% |