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$128+ Cheap flights from Illinois

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — MEL
5 Apr — 12 Apr1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Illinois

Discover essential information about flights departing from Illinois, including flight schedules, destinations, airlines operating at the Illinois airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 6 March 2026.

Good round-trip deal

$247 or less

Good one-way deal

$97 or less
Price to beat on a round-trip flight from Illinois.
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Price to beat on a one-way flight from Illinois.
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Find flights from Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Illinois
Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 6 March 2026.

Tue 31/319:40
ORD
-
DCA
Nonstop2h 03m
United Airlines
Tue 7/420:00
DCA
-
ORD
Nonstop2h 39m
United Airlines
Deal found 3/3$297
Mon 30/316:00
ORD
-
DCA
Nonstop2h 13m
United Airlines
Wed 1/420:00
DCA
-
ORD
Nonstop2h 39m
United Airlines
Deal found 5/3$323
Wed 1/414:40
ORD
-
DCA
1 stop7h 20m
Southwest
Tue 7/409:05
DCA
-
ORD
1 stop4h 45m
Southwest
Deal found 2/3$326
Thu 16/419:45
ORD
-
DCA
Nonstop2h 03m
United Airlines
Sat 18/408:20
DCA
-
ORD
Nonstop2h 21m
United Airlines
Deal found 1/3$327
Tue 7/414:40
ORD
-
DCA
2 stops7h 20m
Southwest
Wed 8/409:05
DCA
-
ORD
1 stop4h 45m
Southwest
Deal found 3/3$333
Thu 16/406:00
ORD
-
DCA
Nonstop1h 56m
United Airlines
Tue 21/413:00
DCA
-
ORD
Nonstop2h 19m
United Airlines
Deal found 3/3$340
Sat 18/413:55
ORD
-
DCA
1 stop6h 00m
Southwest
Tue 21/409:05
DCA
-
ORD
1 stop4h 45m
Southwest
Deal found 2/3$341
Mon 30/312:40
ORD
-
DCA
Nonstop1h 58m
United Airlines
Sat 4/406:30
DCA
-
ORD
Nonstop2h 16m
United Airlines
Deal found 5/3$348
Mon 30/317:40
ORD
-
DCA
1 stop4h 11m
Delta
Wed 8/417:40
DCA
-
ORD
1 stop5h 32m
Delta
Deal found 5/3$351
Tue 24/317:40
ORD
-
DCA
1 stop4h 11m
Delta
Wed 25/306:00
DCA
-
ORD
1 stop4h 10m
Delta
Deal found 2/3$354
Sat 25/409:48
ORD
-
DCA
1 stop6h 22m
Delta
Mon 4/519:38
DCA
-
ORD
1 stop5h 21m
Delta
Deal found 2/3$356
Wed 15/407:51
ORD
-
BNE
2 stops35h 44m
Multiple Airlines
Wed 22/411:35
BNE
-
ORD
2 stops33h 00m
Multiple Airlines
Deal found 1/3$1,179

Find flights from Illinois within your budget

 
Find flights departing from Illinois that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 6 March 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 8/4

08:00-10:59

Nonstop1h 59m

Washington, D.C. Reagan-National

Fri 10/4

06:15-07:31

Nonstop2h 16m

$354

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 4/4

07:00-09:59

Nonstop1h 59m

Washington, D.C. Reagan-National

Sun 12/4

07:30-09:03

Nonstop2h 33m

$370

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 23/5

19:40-22:49

Nonstop2h 09m

Washington, D.C. Reagan-National

Fri 29/5

06:30-07:46

Nonstop2h 16m

$380

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Mon 30/3

17:59-23:39

1 stop4h 40m

Washington, D.C. Reagan-National

Wed 1/4

06:00-09:10

1 stop4h 10m

$384

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 16/4

07:00-09:59

Nonstop1h 59m

Washington, D.C. Reagan-National

Sat 18/4

06:30-07:46

Nonstop2h 16m

$384

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 5/5

17:04-22:50

1 stop4h 46m

Washington, D.C. Reagan-National

Mon 11/5

17:28-20:14

1 stop3h 46m

$388

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 26/3

10:40-17:00

1 stop5h 20m

Washington, D.C. Reagan-National

Tue 31/3

10:10-16:49

1 stop7h 39m

$401

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 2/4

07:00-09:59

Nonstop1h 59m

Washington, D.C. Reagan-National

Thu 9/4

10:30-11:51

Nonstop2h 21m

$428

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 24/3

07:00-09:54

Nonstop1h 54m

Washington, D.C. Reagan-National

Tue 24/3

17:01-18:25

Nonstop2h 24m

$428

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 21/3

17:40-22:51

1 stop4h 11m

Washington, D.C. Reagan-National

Tue 24/3

06:14-12:57

1 stop7h 43m

$438

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois

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

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

What is the cheapest month to book a flight from Illinois?

Currently, September is the cheapest month in which you can book a flight from Illinois (average of $565). Flying from Illinois in January will prove the most costly (average of $1,365). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Illinois?

When flying from Illinois check dates and pricing for the following: Qantas Airways. As it departs for the following popular destinations: Melbourne.

Qantas Airways
Qantas Airways
From $663
Spirit Airlines
Spirit Airlines
From $82
United Airlines
United Airlines
From $306

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Toronto, with prices starting at $97. Explore other affordable destinations below.

Toronto
Toronto
From $97
New York
New York
From $115
Memphis
Memphis
From $166
Boston Logan Intl
Boston Logan Intl
From $183

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Direct flights from USA

Book a direct flight from one of these other cities located in USA.
Direct flights from Moline

Related info for your journey

Access useful and relevant information related to your journey from Illinois. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 6 March 2026.

  • What is the cheapest month to fly from Illinois?

    Currently, the cheapest month for flights from Illinois is September. The most expensive month for flights is January. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Illinois?

    View the cheapest flight destinations from Illinois:
    Fly from Chicago to Sydney from $1,207 round trip
    Fly from Chicago to Melbourne from $1,236 round trip

  • How does Cheapflights help users find flights from Illinois?

    Deals for flights from Illinois are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from Illinois?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Illinois with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Illinois flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from Illinois become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois?

Deals for flights from Illinois are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Illinois?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Illinois flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Illinois become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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