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Washington, D.C.

$63+ Cheap flights from Chicago (CHI) to Washington, D.C. (WAS)

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — WAS
Mar 2 — Mar 91
Sun 3/2
Sun 3/9
1 adult, Economy
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1. Tell us where you want to go
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The best prices from Chicago to Washington, D.C. are usually found in August or September, booked 57 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Chicago to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Washington, D.C. (WAS). 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 February 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$111
(Priceline)

One-way from

$63
(FlightHub)

Popular in

February

Cheapest in

August

Average price

$273

Good round-trip deal

$158 or less

Good one-way deal

$69 or less
Provider with most accurate pricing for Chicago (CHI)-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Washington, D.C. (WAS) flights.
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From Chicago (CHI) to Washington, D.C. (WAS)
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One-way flight from Chicago (CHI) to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 11% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Chicago (CHI) to Washington, D.C. (WAS).
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Find flight deals from Chicago to Washington, D.C.

Cheapest flights from Chicago to Washington, D.C.
Explore the most affordable flight options available from Chicago to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 25, 2025.

This Priceline deal was found by Cheapflights users on 2/24. 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 4/16:25 pmORD - BWI
1 stop4h 47mSpirit Airlines
Tue 4/811:34 amBWI - ORD
1 stop8h 22mSpirit Airlines
Deal found 2/24$111
This Frontier deal was found by Cheapflights users on 2/25. 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 3/2612:26 pmMDW - BWI
Nonstop1h 55mFrontier
Wed 4/24:45 pmBWI - MDW
Nonstop2h 06mFrontier
Deal found 2/25$118
This Southwest deal was found by Cheapflights users on 2/25. 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 4/87:35 pmMDW - BWI
Nonstop1h 50mSouthwest
Wed 4/236:45 pmBWI - MDW
Nonstop2h 05mSouthwest
Deal found 2/25$159
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Tue 4/16:49 pmORD - BWI
Nonstop1h 57mAmerican Airlines
Tue 4/811:45 amBWI - ORD
Nonstop2h 23mAmerican Airlines
Deal found 2/24$159
This CheapOair deal was found by Cheapflights users on 2/23. 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 3/88:00 amORD - BWI
1 stop9h 00mFrontier
Sat 3/156:00 amBWI - ORD
1 stop8h 43mFrontier
Deal found 2/23$163
This Justfly.com deal was found by Cheapflights users on 2/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1110:25 amORD - BWI
1 stop12h 18mMultiple Airlines
Fri 3/146:14 pmBWI - ORD
1 stop18h 56mMultiple Airlines
Deal found 2/24$175
This Southwest deal was found by Cheapflights users on 2/25. 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.
Fri 4/47:30 amMDW - DCA
Nonstop1h 45mSouthwest
Mon 4/79:00 pmDCA - MDW
Nonstop2h 05mSouthwest
Deal found 2/25$180
This United Airlines deal was found by Cheapflights users on 2/25. 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 5/61:29 pmORD - IAD
Nonstop2h 01mUnited Airlines
Fri 5/98:30 amIAD - ORD
Nonstop2h 14mUnited Airlines
Deal found 2/25$180
This JetBlue deal was found by Cheapflights users on 2/24. 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.
Thu 4/101:26 pmORD - DCA
1 stop6h 33mJetBlue
Thu 4/177:00 amDCA - ORD
1 stop6h 21mJetBlue
Deal found 2/24$183
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Thu 4/171:23 pmORD - DCA
Nonstop1h 56mAmerican Airlines
Sun 4/206:45 amDCA - ORD
Nonstop2h 09mAmerican Airlines
Deal found 2/25$184
This United Airlines deal was found by Cheapflights users on 2/23. 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 3/2611:49 amORD - DCA
1 stop5h 06mUnited Airlines
Wed 4/22:00 pmDCA - ORD
Nonstop2h 15mUnited Airlines
Deal found 2/23$187
This Southwest deal was found by Cheapflights users on 2/25. 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 3/131:30 pmORD - DCA
1 stop9h 20mSouthwest
Mon 3/176:10 amDCA - ORD
1 stop9h 50mSouthwest
Deal found 2/25$195

Find flights from Chicago to Washington, D.C. within your budget

Customize your flight search to find flights from Chicago to Washington, D.C. 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 February 25, 2025.

Fly from

Chicago

Fly to

Washington, D.C.

Route

Depart

Return

Price

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Wed 3/26

12:26 pm-3:21 pm

Nonstop1h 55m

Baltimore/Washington

Wed 4/2

4:45 pm-5:51 pm

Nonstop2h 06m

$118

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Tue 3/25

6:25 pm-12:24 am

2 stops28h 59m

Baltimore/Washington

Tue 4/1

6:05 am-8:44 am

1 stop27h 39m

$125

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Tue 4/8

7:35 pm-10:25 pm

Nonstop1h 50m

Baltimore/Washington

Wed 4/23

6:45 pm-7:50 pm

Nonstop2h 05m

$159

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 3/26

11:25 am-2:15 pm

Nonstop1h 50m

Baltimore/Washington

Wed 4/2

8:40 pm-10:00 pm

Nonstop2h 20m

$159

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 3/26

8:25 am-11:18 am

Nonstop1h 53m

Baltimore/Washington

Mon 4/7

7:30 am-8:40 am

Nonstop2h 10m

$175

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 5/6

1:29 pm-4:30 pm

Nonstop2h 01m

Washington, D.C. Dulles Intl

Fri 5/9

8:30 am-9:44 am

Nonstop2h 14m

$180

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Fri 4/4

7:30 am-10:15 am

Nonstop1h 45m

Washington, D.C. Reagan-National

Mon 4/7

9:00 pm-10:05 pm

Nonstop2h 05m

$180

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 4/10

1:26 pm-8:59 pm

1 stop6h 33m

Washington, D.C. Reagan-National

Thu 4/17

7:00 am-12:21 pm

1 stop6h 21m

$183

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 4/17

1:23 pm-4:19 pm

Nonstop1h 56m

Washington, D.C. Reagan-National

Sun 4/20

6:45 am-7:54 am

Nonstop2h 09m

$184

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 3/26

11:49 am-5:55 pm

1 stop5h 06m

Washington, D.C. Reagan-National

Wed 4/2

2:00 pm-3:15 pm

Nonstop2h 15m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

Showing 1-10 of 57 results
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Compare providers for flights from Chicago to Washington, D.C.

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 Washington, D.C. in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Washington, D.C. 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. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Washington, D.C. 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. 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 Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Travel insights for flights from Chicago to Washington, D.C.

Get recent, data-driven insights about flights from Chicago to Washington, D.C. including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Chicago to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Washington, D.C.. Price data was last updated on February 25, 2025.

The price you pay for your flight from Chicago to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 57 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 Chicago to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Chicago to Washington, D.C. (average of $309). Flying from Chicago to Washington, D.C. in June is currently the most expensive (average of $389). 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 WAS?

Find hourly flight availability from Chicago to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 25, 2025.

When flying from Chicago to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 45% versus a flight at noon.

What is the cheapest day to fly from Chicago to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Washington, D.C.. Price data was last updated on February 23, 2025.

Travelers seeking maximum savings on their Chicago to Washington, D.C. flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday at noon 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.

Explore weekly flight availability from Chicago to Washington, D.C.. 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 February 25, 2025.

The most flights from CHI to WAS are scheduled on a Tuesday (72 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated February 25, 2025.
Get a feel of what it's like to fly with Southwest, Delta and JetBlue from Chicago to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,374 reviews

Boarding

8.2

Crew

8.7

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,374 reviews
Southwest
8.1
Very good
4,374 reviews

Boarding

8.2

Crew

8.7

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,165 reviews
Southwest
8.1
Very good
4,374 reviews

Boarding

8.2

Crew

8.7

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

JetBlue
7.4
Good
3,052 reviews
Southwest
8.1
Very good
4,374 reviews

Boarding

8.2

Crew

8.7

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,733 reviews
Southwest
8.1
Very good
4,374 reviews

Boarding

8.2

Crew

8.7

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Allegiant Air
7.3
Good
759 reviews
Southwest
8.1
Very good
4,374 reviews

Boarding

8.2

Crew

8.7

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Chicago to Washington, D.C. round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Washington, D.C., with prices starting at $111. Additional round-trip tickets that might be worth considering are offered by Frontier and Southwest, with the lowest prices starting at $117 and $159, respectively. These flights start at 53% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Washington, D.C. one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $63. However, be on the lookout for offers from Frontier and United Airlines, as they are both options that can get you from Chicago to Washington, D.C. for a low price.

  • What are the most popular routes from Chicago to Washington, D.C.?

    The most popular flight routes from Chicago to Washington, D.C. are Chicago O'Hare Intl - Washington, D.C. Dulles Intl, Chicago O'Hare Intl - Baltimore/Washington and Chicago O'Hare Intl - Washington, D.C. Reagan-National.

  • What are the most reliable airlines from Chicago to Washington, D.C.?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Washington, D.C. on time: Air China (94%), Avianca (92%), Austrian Airlines (89%).

  • What are the cheapest flights from Chicago to Washington, D.C.?

    The cheapest flight price from Chicago to Washington, D.C. is $108. On average you can expect to pay $865. The most popular route, (Chicago O'Hare Intl - Washington, D.C. Dulles Intl), can usually be booked for $174.

  • Can I find deals for flights from Chicago to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Chicago to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Washington, D.C..

  • Can I find deals for business class flights from Chicago to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Chicago to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Chicago to Washington, D.C. (average of $309). Flying from Chicago to Washington, D.C. in June is currently the most expensive (average of $389). 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.

See more FAQs

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Arlington
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Fairfax
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Silver Spring
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Top 6 airlines flying from Chicago to Washington, D.C.

Discover the top 6 airlines that operate flights from Chicago to Washington, D.C.. 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 February 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$154FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$109Average$292FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$135Average$174FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$138Average$287FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$162Average$299FlexibilityNo cancel feeOn-time69%
DeltaCheapest$175Average$298FlexibilityNo cancel feeOn-timeN/A
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