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$70+ Cheap flights from Reagan-National (DCA) to Illinois

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ORD
nov. 25 — dic. 21
lun. 11/25
lun. 12/2
1 adult, Economy
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Cheap flight deals from Reagan-National to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Illinois (USIL). 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 noviembre 20, 2024.

Find flight deals from Reagan-National to Illinois

Cheapest flights from Reagan-National to Illinois
Explore the most affordable flight options available from Reagan-National to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.

This Trip.com deal was found by Cheapflights users on 11/19. 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.
vie. 12/67:00 amDCA - ORD
1 stop18h 35mFrontier
dom. 12/87:25 amORD - DCA
1 stop27h 36mFrontier
Deal found 11/19$144
This Trip.com deal was found by Cheapflights users on 11/19. 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.
mié. 12/47:00 amDCA - MDW
1 stop18h 13mFrontier
dom. 12/87:15 amMDW - DCA
1 stop27h 46mFrontier
Deal found 11/19$155
This JetBlue deal was found by Cheapflights users on 11/19. 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.
mié. 12/1111:00 amDCA - ORD
1 stop5h 53mJetBlue
mar. 12/178:51 amORD - DCA
1 stop9h 07mJetBlue
Deal found 11/19$182
This United Airlines deal was found by Cheapflights users on 11/18. 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.
mié. 12/118:30 amDCA - ORD
Nonstop2h 13mUnited Airlines
mié. 12/113:00 pmORD - DCA
Nonstop1h 55mUnited Airlines
Deal found 11/18$197
This American Airlines deal was found by Cheapflights users on 11/19. 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.
mié. 12/119:43 amDCA - ORD
Nonstop2h 20mAmerican Airlines
dom. 12/156:07 amORD - DCA
Nonstop1h 53mAmerican Airlines
Deal found 11/19$198
This Southwest deal was found by Cheapflights users on 11/20. 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.
mar. 12/246:35 pmDCA - MDW
Nonstop2h 05mSouthwest
mar. 12/318:10 pmMDW - DCA
Nonstop1h 45mSouthwest
Deal found 11/20$198
This Delta deal was found by Cheapflights users on 11/19. 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.
mar. 12/109:49 amDCA - ORD
1 stop4h 11mDelta
mar. 12/171:59 pmORD - DCA
1 stop4h 29mDelta
Deal found 11/19$216
This Delta deal was found by Cheapflights users on 11/19. 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.
mar. 12/109:49 amDCA - MDW
1 stop4h 01mDelta
mié. 12/115:50 pmMDW - DCA
1 stop4h 31mDelta
Deal found 11/19$216
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/106:10 amDCA - ORD
1 stop13h 00mSouthwest
jue. 12/127:30 amORD - DCA
1 stop12h 25mSouthwest
Deal found 11/19$225
This CheapOair deal was found by Cheapflights users on 11/19. 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.
dom. 12/87:00 amDCA - STL
1 stop26h 13mFrontier
sáb. 12/146:46 pmSTL - DCA
1 stop16h 15mFrontier
Deal found 11/19$228
This American Airlines deal was found by Cheapflights users on 11/20. 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.
mar. 12/107:44 amDCA - STL
Nonstop2h 37mAmerican Airlines
vie. 12/136:10 amSTL - DCA
Nonstop2h 08mAmerican Airlines
Deal found 11/20$229
This Southwest deal was found by Cheapflights users on 11/18. 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.
dom. 12/298:00 amDCA - STL
Nonstop2h 20mSouthwest
vie. 1/38:05 amSTL - DCA
Nonstop1h 55mSouthwest
Deal found 11/18$230

Find flights from Reagan-National to Illinois within your budget

Customize your flight search to find flights from Reagan-National to Illinois 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 2,629,791 searches. Data last updated noviembre 20, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

vie. 12/6

7:00 am-12:35 am

1 stop18h 35m

Chicago O'Hare Intl

dom. 12/8

7:25 am-12:01 pm

1 stop27h 36m

$144

Washington, D.C.Chicago

DCA - MDW

DCAMDW

Washington, D.C. Reagan-National

mié. 12/4

7:00 am-12:13 am

1 stop18h 13m

Chicago Midway

dom. 12/8

7:15 am-12:01 pm

1 stop27h 46m

$155

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

mié. 1/22

10:45 am-5:59 pm

1 stop8h 14m

Chicago O'Hare Intl

sáb. 1/25

7:00 am-5:00 pm

1 stop9h 00m

$182

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

mié. 12/11

8:30 am-9:43 am

Nonstop2h 13m

Chicago O'Hare Intl

mié. 12/11

3:00 pm-5:55 pm

Nonstop1h 55m

$197

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

mié. 12/11

9:43 am-11:03 am

Nonstop2h 20m

Chicago O'Hare Intl

dom. 12/15

6:07 am-9:00 am

Nonstop1h 53m

$198

Washington, D.C.Chicago

DCA - MDW

DCAMDW

Washington, D.C. Reagan-National

mar. 12/24

6:35 pm-7:40 pm

Nonstop2h 05m

Chicago Midway

mar. 12/31

8:10 pm-10:55 pm

Nonstop1h 45m

$198

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

mar. 12/10

9:49 am-1:00 pm

1 stop4h 11m

Chicago O'Hare Intl

mar. 12/17

1:59 pm-7:28 pm

1 stop4h 29m

$216

Washington, D.C.Chicago

DCA - MDW

DCAMDW

Washington, D.C. Reagan-National

mar. 12/10

9:49 am-12:50 pm

1 stop4h 01m

Chicago Midway

mié. 12/11

5:50 pm-11:21 pm

1 stop4h 31m

$216

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

vie. 1/3

1:01 pm-8:13 am

1 stop20h 12m

Lambert-St Louis

lun. 1/6

6:49 pm-12:01 pm

1 stop16h 12m

$218

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

mar. 12/10

6:10 am-6:10 pm

1 stop13h 00m

Chicago O'Hare Intl

jue. 12/12

7:30 am-8:55 pm

1 stop12h 25m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

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Best time to book a flight from Reagan-National to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Reagan-National 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 Reagan-National to Illinois

Get recent, data-driven insights about flights from Reagan-National to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Illinois?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Illinois (average of $232). Flying from Washington, D.C. Reagan-National Airport to Illinois in June is currently the most expensive (average of $308). 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 DCA to IL?

Find hourly flight availability from Reagan-National to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Illinois as you normally would.

Weekly flight availability from Washington, D.C. Reagan-National Airport to Illinois

Explore weekly flight availability from Reagan-National to Illinois. 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 noviembre 20, 2024.

The most flights from DCA to USIL are scheduled on a Monday (45 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated noviembre 20, 2024.
Peruse reviews from past customers who have flown with Frontier, United Airlines and Delta from Washington, D.C. to Illinois to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,394 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Illinois. 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 to fly from Washington, D.C. Reagan-National Airport to Illinois one-way?

    One-way options have recently been found by users for as low as $70 on Frontier. Other airlines that offer cheap prices include JetBlue from $91 and American Airlines from $99 one-way.

  • What are the most popular routes from Washington, D.C. Reagan-National Airport to Illinois?

    While some choose either Washington, D.C. Reagan-National - Chicago Midway or Washington, D.C. Reagan-National - Lambert-St Louis, Washington, D.C. Reagan-National - Chicago O'Hare Intl is the most popular route from Washington, D.C. Reagan-National Airport to Illinois.

  • What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Illinois?

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. Reagan-National Airport to Illinois consider choosing Republic Airways (100%), Japan Airlines (98%) or SkyWest Airlines (97%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Illinois?

    Looking at all options, your cheapest flight can be booked for $92. While the most popular route (Washington, D.C. Reagan-National - Chicago O'Hare Intl) can be booked for $170 on average our data indicates $1,016 when flying from Washington, D.C. Reagan-National Airport to Illinois.

  • Can I find deals for flights from Reagan-National to Illinois that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Illinois.

  • Can I find deals for business class flights from Reagan-National to Illinois?

    Yes. Cheapflights offers flight deals from Reagan-National to Illinois 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 Washington, D.C. Reagan-National Airport to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Illinois (average of $232). Flying from Washington, D.C. Reagan-National Airport to Illinois in June is currently the most expensive (average of $308). 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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Alternative routes for Reagan-National to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Fort Lauderdale flights
Dulles Intl to Dallas/Fort Worth flights
Reagan-National to Orlando flights
Reagan-National to Miami flights
Baltimore to Dallas/Fort Worth flights
Reagan-National to Los Angeles flights
Baltimore to Miami flights
Dulles Intl to Orlando flights
Baltimore to Las Vegas flights
Dulles Intl to Los Angeles flights
Dulles Intl to Las Vegas flights
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Reagan-National to Dallas/Fort Worth flights
Reagan-National to Hobby flights
Dulles Intl to Miami flights
Dulles Intl to Seattle flights
Reagan-National to Las Vegas flights
Dulles Intl to New Orleans flights
Baltimore to Denver flights
Dulles Intl to Hobby flights
Reagan-National to Boston flights
Reagan-National to Fort Lauderdale flights
Baltimore to New Orleans flights
Dulles Intl to Denver flights
Baltimore to O'Hare Intl flights
Reagan-National to San Francisco flights
Dulles Intl to San Francisco flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to Tampa flights
Reagan-National to Seattle flights
Reagan-National to O'Hare Intl flights
Reagan-National to Atlanta flights
Dulles Intl to Salt Lake City flights
Reagan-National to Denver flights
Baltimore to Tampa flights
Reagan-National to Tampa flights
Dulles Intl to Sky Harbor Intl flights
Dulles Intl to George Bush Intcntl flights
Baltimore to George Bush Intcntl flights
Reagan-National to New Orleans flights
Reagan-National to Salt Lake City flights
Baltimore to San Francisco flights
Dulles Intl to Honolulu flights
Baltimore to Atlanta flights
Dulles Intl to San Diego flights
Baltimore to Salt Lake City flights

Top 5 airlines flying from Reagan-National to Illinois

Discover the top 5 airlines that operate flights from Reagan-National to Illinois. 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 2,629,791 searches. Data last updated noviembre 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$101Average$236FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$157Average$300FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$158Average$401FlexibilityNo cancel feeOn-time71%
DeltaCheapest$175Average$290FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$186Average$375FlexibilityNo cancel feeOn-time69%
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