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 $157. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $158 and $158, respectively. These flights start at 32% 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 Frontier, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from Spirit Airlines 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 - Baltimore/Washington, Chicago O'Hare Intl - Washington, D.C. Dulles Intl and Chicago O'Hare Intl - Washington, D.C. Reagan-National.

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

The cheapest flight price from Chicago to Washington, D.C. is $96. On average you can expect to pay $1,723. The most popular route, (Chicago O'Hare Intl - Baltimore/Washington), can usually be booked for $104.

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: Avianca (90%), Air China (89%), Austrian Airlines (89%).

What are the most popular airlines that fly from Chicago to Washington, D.C.?

The most popular airlines flying from Chicago to Washington, D.C. are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

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

Flights from Chicago to Washington, D.C. are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

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

To save on the cost of your flight from Chicago to Washington, D.C., book at least 58 days before your planned departure. Booking around this time can save you about 55% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $226 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $419.

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

Flights from Chicago to Washington, D.C. lean towards being more expensive in March. Prices are generally better when you fly from Chicago to Washington, D.C. in August, with the cheapest ticket starting at $67.

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.

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.

$69+ Flights from Chicago to Washington, D.C.

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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”

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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. are usually found in August or September, booked 63 days in advance, depart on a Thursday or Friday and return on a Wednesday

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$157 (Mytrip)
One-way from	$69 (CheapOair)
Popular in	March
Cheapest in	August
Average price	$273
Good round-trip deal	$155 or less
Good one-way deal	$77 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.

Search Deals

From Chicago (CHI) to Washington, D.C. (WAS)

Search Deals

One-way flight from Chicago (CHI) to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($10 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 March 28, 2025.

Tue 5/1312:41 pmORD - BWI

2 stops17h 50mSpirit Airlines

Thu 5/158:24 amBWI - ORD

Nonstop2h 14mSpirit Airlines

Deal found 3/27

$157

Mon 4/141:03 pmMDW - BWI

Nonstop1h 50mFrontier

Wed 4/164:45 pmBWI - MDW

Nonstop2h 06mFrontier

Deal found 3/27

$158

Wed 4/306:45 pmORD - BWI

Nonstop2h 04mAmerican Airlines

Sat 5/37:30 amBWI - ORD

Nonstop2h 10mAmerican Airlines

Deal found 3/27

$158

Sat 5/37:55 pmMDW - BWI

Nonstop1h 50mSouthwest

Tue 5/65:00 pmBWI - MDW

Nonstop2h 00mSouthwest

Deal found 3/27

$159

Sat 4/261:30 pmORD - BWI

Nonstop2h 00mSouthwest

Sat 5/311:30 amBWI - ORD

Nonstop2h 15mSouthwest

Deal found 3/27

$159

Sat 4/265:59 pmMDW - BWI

1 stop3h 45mDelta

Tue 4/298:05 amBWI - MDW

1 stop4h 58mDelta

Deal found 3/27

$167

Sat 4/265:00 pmORD - BWI

1 stop4h 44mDelta

Tue 4/2912:47 pmBWI - ORD

1 stop4h 24mDelta

Deal found 3/27

$167

Thu 4/1711:15 amORD - DCA

Nonstop1h 56mUnited Airlines

Thu 4/178:00 pmDCA - ORD

Nonstop2h 17mUnited Airlines

Deal found 3/27

$177

Wed 4/235:25 pmMDW - DCA

Nonstop1h 55mSouthwest

Wed 4/303:30 pmDCA - MDW

Nonstop2h 10mSouthwest

Deal found 3/26

$177

Thu 4/178:45 amORD - IAD

Nonstop1h 59mUnited Airlines

Thu 4/1710:20 pmIAD - ORD

Nonstop2h 09mUnited Airlines

Deal found 3/27

$177

Wed 5/146:00 amORD - DCA

Nonstop1h 54mAmerican Airlines

Wed 5/142:54 pmDCA - ORD

Nonstop2h 19mAmerican Airlines

Deal found 3/27

$178

Fri 4/116:45 amMDW - DCA

1 stop14h 14mFrontier

Tue 4/156:00 pmDCA - MDW

1 stop7h 21mFrontier

Deal found 3/27

$178

Best flights from Chicago to Washington, D.C.
Discover carefully curated flight deals from Chicago to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Tue 5/1312:41 pmORD - BWI

2 stops17h 50mSpirit Airlines

Thu 5/158:24 amBWI - ORD

Nonstop2h 14mSpirit Airlines

Deal found 3/27

$157

Mon 4/141:03 pmMDW - BWI

Nonstop1h 50mFrontier

Wed 4/164:45 pmBWI - MDW

Nonstop2h 06mFrontier

Deal found 3/27

$158

Wed 4/306:45 pmORD - BWI

Nonstop2h 04mAmerican Airlines

Sat 5/37:30 amBWI - ORD

Nonstop2h 10mAmerican Airlines

Deal found 3/27

$158

Sat 5/37:55 pmMDW - BWI

Nonstop1h 50mSouthwest

Tue 5/65:00 pmBWI - MDW

Nonstop2h 00mSouthwest

Deal found 3/27

$159

Sat 4/265:59 pmMDW - BWI

1 stop3h 45mDelta

Tue 4/298:05 amBWI - MDW

1 stop4h 58mDelta

Deal found 3/27

$167

Wed 4/237:00 amORD - BWI

Nonstop1h 54mUnited Airlines

Wed 4/306:15 amBWI - ORD

Nonstop2h 17mUnited Airlines

Deal found 3/26

$167

Fri 5/28:50 amORD - DCA

1 stop8h 10mJetBlue

Sun 5/412:45 pmDCA - ORD

1 stop5h 50mJetBlue

Deal found 3/26

$183

Thu 5/2210:33 amORD - BWI

Nonstop1h 46mMultiple Airlines

Mon 5/2612:26 pmBWI - ORD

1 stop8h 43mMultiple Airlines

Deal found 3/27

$211

Thu 4/177:10 pmORD - IAD

1 stop15h 13mSun Country Air

Mon 4/2111:37 amIAD - ORD

1 stop7h 29mSun Country Air

Deal found 3/25

$240

Fri 6/62:53 pmMDW - IAD

2 stops29h 00mAllegiant Air

Sun 6/83:58 pmIAD - MDW

1 stop16h 17mAllegiant Air

Deal found 3/27

$304

Wed 5/71:50 pmORD - BWI

Nonstop1h 55mSouthwest

Tue 5/1310:35 amBWI - ORD

Nonstop2h 15mSouthwest

Deal found 3/27

$159

Wed 4/236:00 amORD - DCA

Nonstop1h 58mUnited Airlines

Wed 4/307:25 amDCA - ORD

Nonstop2h 16mUnited Airlines

Deal found 3/26

$177

Last-minute flights from Chicago to Washington, D.C.
Discover last-minute flight deals from Chicago to Washington, D.C.. Data last updated March 28, 2025 and is based on user searches.

Wed 4/26:40 amMDW - DCA

1 stop9h 19mFrontier

Sat 4/51:03 pmDCA - MDW

1 stop12h 18mFrontier

Deal found 3/26

$198

Thu 4/310:19 amMDW - IAD

1 stop5h 45mFrontier

Sat 4/511:11 amIAD - MDW

1 stop11h 50mFrontier

Deal found 3/27

$198

Thu 4/35:00 pmORD - BWI

1 stop6h 44mFrontier

Mon 4/74:12 pmBWI - ORD

1 stop9h 11mFrontier

Deal found 3/27

$238

Thu 4/36:45 amORD - DCA

1 stop14h 14mFrontier

Fri 4/46:00 pmDCA - ORD

1 stop7h 37mFrontier

Deal found 3/27

$238

Thu 4/34:15 pmORD - BWI

2 stops30h 57mSpirit Airlines

Mon 4/76:05 amBWI - ORD

1 stop27h 39mSpirit Airlines

Deal found 3/26

$276

Fri 4/41:03 pmMDW - BWI

Nonstop1h 50mFrontier

Mon 4/74:43 pmBWI - MDW

Nonstop2h 06mFrontier

Deal found 3/27

$197

Fri 4/49:54 amORD - IAD

1 stop6h 11mFrontier

Mon 4/74:38 pmIAD - ORD

1 stop8h 45mFrontier

Deal found 3/27

$198

Fri 4/49:14 amORD - BWI

1 stop7h 45mMultiple Airlines

Mon 4/79:20 pmBWI - ORD

1 stop13h 39mMultiple Airlines

Deal found 3/27

$286

Fri 4/49:23 amMDW - BWI

1 stop6h 27mDelta

Sat 4/56:00 amBWI - MDW

1 stop3h 43mDelta

Deal found 3/27

$297

Fri 4/49:40 amORD - DCA

1 stop7h 24mDelta

Sat 4/56:00 amDCA - ORD

1 stop4h 12mDelta

Deal found 3/27

$297

Fri 4/410:36 amMDW - DCA

1 stop6h 28mDelta

Sat 4/56:00 amDCA - MDW

1 stop3h 43mDelta

Deal found 3/27

$297

Sat 4/56:45 amORD - IAD

1 stop3h 46mDelta

Tue 4/81:35 pmIAD - ORD

1 stop3h 36mDelta

Deal found 3/27

$297

One-way flights from Chicago to Washington, D.C.
Search for one-way flight options from Chicago to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Wed 4/21:05 pmMDW - BWI

Nonstop1h 50mFrontier

Deal found 3/26

$69

Wed 4/307:47 pmORD - BWI

1 stop12h 35mSpirit Airlines

Deal found 3/27

$70

Tue 4/297:00 amORD - BWI

Nonstop1h 54mUnited Airlines

Deal found 3/27

$79

Sat 5/37:55 pmMDW - BWI

Nonstop1h 50mSouthwest

Deal found 3/27

$80

Sat 5/39:52 amMDW - BWI

1 stop5h 40mDelta

Deal found 3/27

$84

Sat 5/35:34 pmORD - BWI

1 stop6h 07mDelta

Deal found 3/27

$84

Fri 4/119:54 amORD - IAD

1 stop6h 11mFrontier

Deal found 3/27

$88

Wed 4/231:23 pmORD - DCA

Nonstop1h 56mAmerican Airlines

Deal found 3/27

$89

Tue 4/293:20 pmMDW - DCA

Nonstop1h 50mSouthwest

Deal found 3/27

$89

Tue 5/1311:10 amORD - IAD

Nonstop1h 56mUnited Airlines

Deal found 3/27

$89

Sat 5/243:13 pmORD - DCA

Nonstop2h 02mUnited Airlines

Deal found 3/26

$90

Fri 4/118:56 amMDW - IAD

1 stop5h 58mFrontier

Deal found 3/27

$90

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Tue 5/13

12:41 pm-7:31 am

2 stops17h 50m

Baltimore/Washington

Thu 5/15

8:24 am-9:38 am

Nonstop2h 14m

$157

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Mon 4/14

1:03 pm-3:53 pm

Nonstop1h 50m

Baltimore/Washington

Wed 4/16

4:45 pm-5:51 pm

Nonstop2h 06m

$158

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 4/30

6:45 pm-9:49 pm

Nonstop2h 04m

Baltimore/Washington

Sat 5/3

7:30 am-8:40 am

Nonstop2h 10m

$158

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Sat 5/3

7:55 pm-10:45 pm

Nonstop1h 50m

Baltimore/Washington

Tue 5/6

5:00 pm-6:00 pm

Nonstop2h 00m

$159

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sat 4/26

1:30 pm-4:30 pm

Nonstop2h 00m

Baltimore/Washington

Sat 5/3

11:30 am-12:45 pm

Nonstop2h 15m

$159

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Sat 4/26

5:59 pm-10:44 pm

1 stop3h 45m

Baltimore/Washington

Tue 4/29

8:05 am-12:03 pm

1 stop4h 58m

$167

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sat 4/26

5:00 pm-10:44 pm

1 stop4h 44m

Baltimore/Washington

Tue 4/29

12:47 pm-4:11 pm

1 stop4h 24m

$167

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 4/17

11:15 am-2:11 pm

Nonstop1h 56m

Washington, D.C. Reagan-National

Thu 4/17

8:00 pm-9:17 pm

Nonstop2h 17m

$177

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 4/17

8:45 am-11:44 am

Nonstop1h 59m

Washington, D.C. Dulles Intl

Thu 4/17

10:20 pm-11:29 pm

Nonstop2h 09m

$177

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Wed 4/23

5:25 pm-8:20 pm

Nonstop1h 55m

Washington, D.C. Reagan-National

Wed 4/30

3:30 pm-4:40 pm

Nonstop2h 10m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 60 results

...

Compare providers for flights from Chicago to Washington, D.C.

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*3 stars
Priceline	Price Accuracy1 star	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.

The best insider tips for Chicago to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to Washington, D.C. trip

Airlines

British Airways

BA offers complimentary hot meals and beverages in economy, enhancing short-haul comfort.

BA's Executive Club offers free seat selection for mid-tier status, even on economy fares.

Read more about British Airwaysby Gabriel Leigh

United Airlines

United's Economy Plus offers extra legroom, ideal for added comfort on short flights.

United's MileagePlus allows pooling miles, useful for family travel.

Read more about United Airlinesby Harriet Baskas

Airports

ORD

At ORD, expect long walks between terminals. Use the free shuttle train outside security for faster transfers between terminals.

DCA

DCA is easily accessible via the D.C. Metro. The airport has its own Metro stop on the Yellow and Blue lines, making it convenient and affordable.

IAD

IAD is connected to D.C. via the Silver Line Metro. The station is about five minutes from the main terminal, offering a cheap transit option.

Our travel experts

Gabriel Leigh

Expert on British Airways

Harriet Baskas

Expert on United Airlines

Ramsey Qubein

Expert on ORD and IAD

Emily Zemler

Expert on DCA

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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Washington, D.C.

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

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 63 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 $385). 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?

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 49% versus a flight at noon.

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

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.

The most flights from CHI to WAS are scheduled on a Thursday (76 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Washington, D.C. 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

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 a feel of what it's like to fly with Southwest, Alaska Airlines and Delta 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

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.1

Very good

4,274 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines

8.0

Very good

9,798 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,897 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,603 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

JetBlue

7.3

Good

2,923 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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 $157. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $158 and $158, respectively. These flights start at 32% 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 Frontier, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from Spirit Airlines 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 - Baltimore/Washington, Chicago O'Hare Intl - Washington, D.C. Dulles Intl 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: Avianca (90%), Air China (89%), 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 $96. On average you can expect to pay $1,723. The most popular route, (Chicago O'Hare Intl - Baltimore/Washington), can usually be booked for $104.
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 $385). 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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Reston

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Top 6 airlines flying from Chicago to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$54	Average$161	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$109	Average$291	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$124	Average$298	FlexibilityNo cancel fee	On-timeN/A
Spirit Airlines	Cheapest$135	Average$174	FlexibilityNo cancel fee	On-time65%
Southwest	Cheapest$139	Average$290	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$172	Average$299	FlexibilityNo cancel fee	On-time69%

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$69+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Chicago to Washington, D.C. are usually found in August or September, booked 63 days in advance, depart on a Thursday or Friday and return on a Wednesday

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

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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 March 28, 2025.

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 March 28, 2025.

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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 March.

The best insider tips for Chicago to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to Washington, D.C. trip

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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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Washington, D.C.

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 March 21, 2025.

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

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 March 28, 2025.

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 March 23, 2025.

Weekly flight availability from Chicago to Washington, D.C.

Rainfall in Washington, D.C. by month

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

Temperature in Washington, D.C. by month

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

Reviews of airlines servicing Washington, D.C.

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?

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

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

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

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

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

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

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

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

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Alternative routes for Chicago to Washington, D.C.

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Top 6 airlines flying from Chicago to Washington, D.C.

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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 March 28, 2025.