$87+ Cheap flights from Illinois to District of Columbia
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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois to District of Columbia 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.Cheap flight deals from Illinois to District of Columbia
Keep the following information in mind while searching for Illinois to District of Columbia flight deals. Data was last updated abril 30, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $179 (United Airlines) |
One-way from | $87 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $257 |
Good round-trip deal | $229 or less |
Good one-way deal | $126 or less |
Find flight deals from Illinois to District of Columbia
Cheapest flights from Illinois to District of ColumbiaExplore the most affordable flight options available from Illinois to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.
Explore the most affordable flight options available from Illinois to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 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.
This Southwest deal was found by Cheapflights users on 4/28. 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.
This Frontier deal was found by Cheapflights users on 4/28. 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.
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.
This CheapOair deal was found by Cheapflights users on 4/28. 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.
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.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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.
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.
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.
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.
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to District of Columbia 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 abril 30, 2025.
Use the filters below to find and compare flights from Illinois to District of Columbia that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
vie. 5/30
7:50 am-10:44 am
Nonstop1h 54m
Washington, D.C. Reagan-National
sáb. 5/31
9:00 pm-10:11 pm
Nonstop2h 11m
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
vie. 5/30
8:10 pm-11:00 pm
Nonstop1h 50m
Washington, D.C. Reagan-National
sáb. 5/31
6:00 am-7:00 am
Nonstop2h 00m
ChicagoWashington, D.C.
MDW - IAD
MDWIAD
Chicago Midway
lun. 5/12
8:30 am-2:23 pm
1 stop4h 53m
Washington, D.C. Dulles Intl
jue. 5/15
3:32 pm-11:39 pm
1 stop9h 07m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
jue. 5/15
6:00 am-2:23 pm
1 stop7h 23m
Washington, D.C. Dulles Intl
lun. 5/19
3:32 pm-11:11 pm
1 stop8h 39m
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
lun. 5/12
8:03 pm-4:59 pm
1 stop19h 56m
Washington, D.C. Reagan-National
mié. 5/14
6:00 pm-7:08 pm
1 stop26h 08m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
mié. 5/21
4:03 pm-10:58 pm
1 stop5h 55m
Washington, D.C. Reagan-National
mié. 5/28
1:45 pm-6:36 pm
1 stop5h 51m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
jue. 5/22
7:40 pm-10:42 pm
Nonstop2h 02m
Washington, D.C. Reagan-National
dom. 5/25
7:25 am-8:40 am
Nonstop2h 15m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
sáb. 5/24
9:31 pm-12:30 am
Nonstop1h 59m
Washington, D.C. Dulles Intl
lun. 5/26
6:48 am-8:02 am
Nonstop2h 14m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
sáb. 5/24
1:45 pm-6:59 pm
1 stop4h 14m
Washington, D.C. Reagan-National
dom. 5/25
9:40 am-12:41 pm
1 stop4h 01m
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
sáb. 5/24
5:55 pm-10:10 pm
1 stop3h 15m
Washington, D.C. Reagan-National
dom. 5/25
6:00 am-9:40 am
1 stop4h 40m
Best time to book a flight from Illinois to District of Columbia
Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Illinois to District of Columbia
What is the cheapest month to book a flight from Illinois to District of Columbia?
Currently, August is the cheapest month in which you can book a flight from Illinois to District of Columbia (average of $309). Flying from Illinois to District of Columbia in June is currently the most expensive (average of $373). 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 IL to DC?
Find hourly flight availability from Illinois to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 30, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to District of Columbia as you normally would.
Rainfall in District of Columbia by month
Plan your trip to District of Columbia by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in District of Columbia 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 District of Columbia when rainfall is around 2.6 in.
Temperature in District of Columbia by month
Plan your trip to District of Columbia by taking into account the average temperature totals by month.
If weather is an important factor for your trip to District of Columbia, 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 District of Columbia
Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated abril 30, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Illinois to District of Columbia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Comfort
Crew
Overall
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Comfort
Crew
Overall
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Comfort
Crew
Overall
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Comfort
Crew
Overall
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Comfort
Crew
Overall
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Comfort
Crew
Overall
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from Illinois to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to District of Columbia
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Illinois to District of Columbia
Discover the top 6 airlines that operate flights from Illinois to District of Columbia. 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 abril 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$165 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$101 | Average$174 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$109 | Average$365 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$140 | Average$290 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$166 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$173 | Average$346 | FlexibilityNo cancel fee | On-time69% |