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Cheap flights from Chicago to Washington, D.C. from £63

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — WAS
27 Feb — 6 Mar1
1 adult

The best prices from Chicago to Washington, D.C. are usually found in August or September, booked 57 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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 22 February 2025.

Round-trip from

£96

One-way from

£63

Popular in

March

Cheapest in

August

Average price

£211

Good one-way deal

£91 or less
Spirit Airlines
  • Spirit Airlines
  • 8/4-15/4
  • 3 total stops
  • 38h 18m total
  • Chicago to Washington, D.C.
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United Airlines
  • United Airlines
  • 26/3
  • Nonstop
  • 1h 55m total
  • Chicago to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£13 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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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 22 February 2025.

Tue 8/418:25ORD - BWI
1 stop4h 47mSpirit Airlines
Tue 15/405:55BWI - ORD
2 stops33h 31mSpirit Airlines
Deal found 22/2£96
Sat 5/409:25ORD - BWI
1 stop10h 41mFrontier
Wed 9/406:00BWI - ORD
1 stop11h 32mFrontier
Deal found 21/2£100
Sat 5/418:45ORD - BWI
Nonstop2h 04mAmerican Airlines
Wed 9/407:30BWI - ORD
Nonstop2h 10mAmerican Airlines
Deal found 21/2£126
Wed 26/311:25ORD - BWI
Nonstop1h 50mSouthwest
Wed 2/420:40BWI - ORD
Nonstop2h 20mSouthwest
Deal found 21/2£133
Mon 24/321:05ORD - DCA
Nonstop1h 52mUnited Airlines
Wed 26/319:00DCA - ORD
Nonstop2h 24mUnited Airlines
Deal found 20/2£141
Tue 11/318:18ORD - IAD
Nonstop1h 55mUnited Airlines
Thu 13/308:20IAD - ORD
Nonstop2h 14mUnited Airlines
Deal found 21/2£141
Wed 2/413:24ORD - DCA
1 stop6h 35mJetBlue
Wed 9/410:45DCA - ORD
1 stop8h 22mJetBlue
Deal found 21/2£145
Wed 12/306:45ORD - IAD
1 stop3h 48mDelta
Thu 13/306:00IAD - ORD
1 stop4h 18mDelta
Deal found 21/2£153
Tue 18/306:45ORD - BWI
1 stop3h 48mDelta
Thu 20/306:00BWI - ORD
1 stop5h 10mDelta
Deal found 22/2£156
Thu 13/310:15ORD - DCA
1 stop5h 05mDelta
Tue 18/312:34DCA - ORD
1 stop4h 46mDelta
Deal found 22/2£156
Sat 5/408:06ORD - DCA
Nonstop1h 54mAmerican Airlines
Wed 9/411:54DCA - ORD
Nonstop2h 08mAmerican Airlines
Deal found 21/2£157
Mon 10/313:30ORD - DCA
1 stop6h 25mSouthwest
Tue 11/315:35DCA - ORD
2 stops6h 55mSouthwest
Deal found 22/2£160

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

Customise 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 858,174 searches. Data last updated 22 February 2025.

Fly from

Chicago

Fly to

Washington, D.C.

Route

Depart

Return

Price

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Tue 8/4

18:25-00:12

1 stop4h 47m

Baltimore/Washington

Tue 15/4

05:55-14:26

2 stops33h 31m

£96

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sat 5/4

09:25-21:06

1 stop10h 41m

Baltimore/Washington

Wed 9/4

06:00-16:32

1 stop11h 32m

£100

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sat 5/4

18:45-21:49

Nonstop2h 04m

Baltimore/Washington

Wed 9/4

07:30-08:40

Nonstop2h 10m

£126

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 26/3

11:25-14:15

Nonstop1h 50m

Baltimore/Washington

Wed 2/4

20:40-22:00

Nonstop2h 20m

£133

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Mon 24/3

21:05-23:57

Nonstop1h 52m

Washington, D.C. Reagan-National

Wed 26/3

19:00-20:24

Nonstop2h 24m

£141

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 11/3

18:18-21:13

Nonstop1h 55m

Washington, D.C. Dulles Intl

Thu 13/3

08:20-09:34

Nonstop2h 14m

£141

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 2/4

13:24-20:59

1 stop6h 35m

Washington, D.C. Reagan-National

Wed 9/4

10:45-18:07

1 stop8h 22m

£145

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Wed 12/3

06:45-11:33

1 stop3h 48m

Washington, D.C. Dulles Intl

Thu 13/3

06:00-09:18

1 stop4h 18m

£153

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Tue 18/3

06:45-11:33

1 stop3h 48m

Baltimore/Washington

Mon 24/3

06:00-10:06

1 stop5h 06m

£156

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 13/3

10:15-16:20

1 stop5h 05m

Washington, D.C. Reagan-National

Tue 18/3

12:34-16:20

1 stop4h 46m

£156

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 34 results
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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 return 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 return flight from Chicago to Washington, D.C.. Price data was last updated on 14 February 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Washington, D.C., you should look to book at least 57 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.?

Currently, January is the cheapest month in which you can book a flight from Chicago to Washington, D.C. (average of £599). Flying from Chicago to Washington, D.C. in July is currently the most expensive (average of £947). 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 22 February 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 77% versus a flight at midday.

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 22 February 2025.

The most flights from CHI to WAS are scheduled on a Thursday (74 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 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 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 22 February 2025.
To help decide which airline to fly from Chicago to Washington, D.C., see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,396 reviews
Check prices

Crew

8.7

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very Good
4,396 reviews
Southwest
8.1
Very Good
4,396 reviews
Check prices

Crew

8.7

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very Good
9,702 reviews
Southwest
8.1
Very Good
4,396 reviews
Check prices

Crew

8.7

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very Good
8,203 reviews
Southwest
8.1
Very Good
4,396 reviews
Check prices

Crew

8.7

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Qatar Airways
7.4
Good
3,609 reviews
Southwest
8.1
Very Good
4,396 reviews
Check prices

Crew

8.7

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,068 reviews
Southwest
8.1
Very Good
4,396 reviews
Check prices

Crew

8.7

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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?

    Spirit Airlines, at £96, was found to be the cheapest airline from Chicago to Washington, D.C..Alternate airlines flying return to your destination include Frontier and American Airlines. Spirit Airlines is 48% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as £63 on United Airlines. Other airlines that offer cheap prices include Southwest from £70 and JetBlue from £73 one-way.

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

    The most popular route from Chicago to Washington, D.C. is Chicago O'Hare Intl - Washington, D.C. Dulles Intl. You may also consider Chicago O'Hare Intl - Baltimore/Washington or Chicago O'Hare Intl - Washington, D.C. Reagan-National.

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

    Before booking your flight to Washington, D.C. from Chicago, check out the most reliable airlines to get you to your destination on time: Air China (94%), Avianca (92%), Austrian Airlines( 89%).

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Chicago to Washington, D.C. (average of £599). Flying from Chicago to Washington, D.C. in July is currently the most expensive (average of £947). 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.

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