BA's World Traveller Plus offers extra seat width and legroom in a dedicated cabin.
BA's Executive Club offers free seat selection for oneworld Sapphire or Emerald members.
$90+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DCA
mai 6 — mai 131
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 August or July, booked 87 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap 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 mai 1, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $179 (American Airlines) |
One-way from | $90 (United Airlines) |
Popular in | April |
Cheapest in | August |
Average price | $297 |
Good round-trip deal | $229 or less |
Good one-way deal | $126 or less |
Find flight deals from Chicago to Reagan-National
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 mai 1, 2025.
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 mai 1, 2025.
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/307:50 amORD - DCA
Nonstop1h 54mAmerican Airlines
sam. 5/319:00 pmDCA - ORD
Nonstop2h 11mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 4/30. 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.
sam. 5/247:00 amORD - DCA
Nonstop1h 57mUnited Airlines
mer. 5/286:00 amDCA - ORD
1 stop5h 39mUnited Airlines
Deal found 4/30![United Airlines logo]()
$180
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/214:03 pmORD - DCA
1 stop5h 55mJetBlue
mer. 5/281:45 pmDCA - ORD
1 stop5h 51mJetBlue
Deal found 4/29![JetBlue logo]()
$183
This Southwest deal was found by Cheapflights users on 4/29. 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.
ven. 6/138:10 pmMDW - DCA
Nonstop1h 50mSouthwest
sam. 7/58:25 amDCA - MDW
Nonstop2h 05mSouthwest
Deal found 4/29![Southwest logo]()
$195
This Delta deal was found by Cheapflights users on 4/29. 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.
sam. 5/247:05 amORD - DCA
1 stop6h 43mDelta
sam. 5/247:33 pmDCA - ORD
1 stop4h 44mDelta
Deal found 4/29![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 4/29. 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.
sam. 5/245:55 pmMDW - DCA
1 stop3h 15mDelta
dim. 5/256:00 amDCA - MDW
1 stop3h 40mDelta
Deal found 4/29![Delta logo]()
$197
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/88:03 pmMDW - DCA
1 stop15h 04mFrontier
dim. 5/117:00 amDCA - MDW
1 stop13h 08mFrontier
Deal found 4/29![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/296:00 amORD - DCA
1 stop9h 59mFrontier
lun. 6/21:00 pmDCA - ORD
1 stop11h 59mFrontier
Deal found 4/29![Frontier logo]()
$218
This Southwest deal was found by Cheapflights users on 4/29. 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.
mer. 5/284:00 pmORD - DCA
1 stop5h 25mSouthwest
ven. 5/306:05 amDCA - ORD
1 stop7h 40mSouthwest
Deal found 4/29![Southwest logo]()
$219
This Kissandfly.com deal was found by Cheapflights users on 4/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/155:51 amORD - DCA
1 stop9h 27mMultiple Airlines
ven. 5/167:00 amDCA - ORD
1 stop17h 41mMultiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$320
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 2,558,603 searches. Data last updated mai 1, 2025.
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
Chicago
Fly to
Reagan-National
Route
Depart
Return
Price
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
ven. 5/30
7:50 am-10:44 am
Nonstop1h 54m
Washington, D.C. Reagan-National
sam. 5/31
9:00 pm-10:11 pm
Nonstop2h 11m
$179
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
sam. 5/24
7:00 am-9:57 am
Nonstop1h 57m
Washington, D.C. Reagan-National
mer. 5/28
6:00 am-10:39 am
1 stop5h 39m
$180
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
mer. 5/21
4:03 pm-10:58 pm
1 stop5h 55m
Washington, D.C. Reagan-National
mer. 5/28
1:45 pm-6:36 pm
1 stop5h 51m
$183
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
ven. 6/13
8:10 pm-11:00 pm
Nonstop1h 50m
Washington, D.C. Reagan-National
sam. 7/5
8:25 am-9:30 am
Nonstop2h 05m
$195
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
sam. 5/24
1:45 pm-6:59 pm
1 stop4h 14m
Washington, D.C. Reagan-National
dim. 5/25
9:40 am-12:41 pm
1 stop4h 01m
$197
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
sam. 5/24
5:55 pm-10:10 pm
1 stop3h 15m
Washington, D.C. Reagan-National
dim. 5/25
6:00 am-8:40 am
1 stop3h 40m
$197
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
jeu. 5/15
8:03 pm-9:59 pm
1 stop24h 56m
Washington, D.C. Reagan-National
lun. 5/19
1:00 pm-7:08 pm
1 stop7h 08m
$201
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
jeu. 5/29
6:00 am-4:59 pm
1 stop9h 59m
Washington, D.C. Reagan-National
lun. 6/2
1:00 pm-11:59 pm
1 stop11h 59m
$218
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
mer. 5/28
4:00 pm-10:25 pm
1 stop5h 25m
Washington, D.C. Reagan-National
ven. 5/30
6:05 am-12:45 pm
1 stop7h 40m
$219
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
jeu. 5/15
5:51 am-4:18 pm
1 stop9h 27m
Washington, D.C. Reagan-National
ven. 5/16
7:00 am-11:41 pm
1 stop17h 41m
$320
Showing 1-10 of 22 results
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | 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 eDreams the most. eDreams 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.
The best insider tips for Chicago to Washington, D.C. Reagan-National Airport flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to Washington, D.C. Reagan-National Airport trip
Airlines
![British Airways]()
British Airways
![United Airlines]()
United Airlines
Basic Economy on United allows no carry-on bags, except for Premier members or select routes.
United Economy Plus offers extra legroom seats at the front of the economy cabin.
Our travel experts
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.
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
How far ahead should I book a flight from Chicago to Washington, D.C. Reagan-National Airport?
Use this chart to determine the optimal time to book a round-trip flight from Chicago to Reagan-National. Price data was last updated on April 25, 2025.
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 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Chicago to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Chicago to Washington, D.C. Reagan-National Airport (average of $278). Flying from Chicago to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $344). 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 mai 1, 2025.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 7% on flights from Chicago to Washington, D.C. Reagan-National Airport by exploring options for tickets in the evening.
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 March 30, 2025.
Travelers seeking maximum savings on their Chicago to Washington, D.C. Reagan-National Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 mai 1, 2025.
The most flights from CHI to DCA are scheduled on a Thursday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).
Rainfall in Reagan-National by month
Plan your trip to Reagan-National by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.
Temperature in Reagan-National by month
Plan your trip to Reagan-National by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
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 mai 1, 2025.
To help decide which airline to fly from Chicago to Washington, D.C., see what other customers have to say about Southwest, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.6
Crew
8.6
Boarding
8.2
Food
7.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Overall
8.0
Entertainment
7.6
Crew
8.6
Boarding
8.2
Food
7.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Overall
8.0
Entertainment
7.6
Crew
8.6
Boarding
8.2
Food
7.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Overall
8.0
Entertainment
7.6
Crew
8.6
Boarding
8.2
Food
7.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Overall
8.0
Entertainment
7.6
Crew
8.6
Boarding
8.2
Food
7.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
Overall
8.0
Entertainment
7.6
Crew
8.6
Boarding
8.2
Food
7.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentGina,Apr 2025
LAS - DEN
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 Chicago?
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Alternative routes for Chicago to Reagan-National
See prices for flight routes from nearby airports that may be better suited for you.
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 2,558,603 searches. Data last updated mai 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$140 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$160 | Average$269 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$166 | Average$196 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$319 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$300 | FlexibilityNo cancel fee | On-time69% |