This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. 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 — DPS
3 Dec — 10 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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 3 November 2026. In the last 7 days, Cheapflights users made a total of 7,457,451 searches
Fly to
Route
Depart
Return
Price
Cheapest return flight
ChicagoHouston
ORD Chicago O'Hare Intl - IAH Houston George Bush Intcntl
ORDIAH
Chicago O'Hare Intl
Tue 8/12
17.52-20.54
Nonstop3h 02m
Houston George Bush Intcntl
Wed 31/12
00.00-00.00
Nonstop0h 00m
Rp 1,918,205
ChicagoBoston
ORD Chicago O'Hare Intl - BOS Boston Logan Intl
ORDBOS
Chicago O'Hare Intl
Wed 16/12
19.45-23.17
Nonstop2h 32m
Boston Logan Intl
Wed 31/12
00.00-23.00
Nonstop0h 00m
Rp 2,243,938
ChicagoHouston
ORD Chicago O'Hare Intl - IAH Houston George Bush Intcntl
ORDIAH
Chicago O'Hare Intl
Sat 5/12
11.14-21.25
2 stops10h 11m
Houston George Bush Intcntl
Wed 31/12
00.00-00.00
Nonstop0h 00m
Rp 2,262,034
ChicagoHouston
ORD Chicago O'Hare Intl - IAH Houston George Bush Intcntl
ORDIAH
Chicago O'Hare Intl
Tue 15/12
07.05-17.29
2 stops10h 24m
Houston George Bush Intcntl
Wed 31/12
00.00-00.00
Nonstop0h 00m
Rp 2,262,034
ChicagoHouston
ORD Chicago O'Hare Intl - IAH Houston George Bush Intcntl
ORDIAH
Chicago O'Hare Intl
Thu 26/11
06.23-17.16
2 stops10h 53m
Houston George Bush Intcntl
Wed 31/12
00.00-00.00
Nonstop0h 00m
Rp 2,334,419
ChicagoLas Vegas
MDW Chicago Midway - LAS Las Vegas Harry Reid Intl
MDWLAS
Chicago Midway
Mon 7/12
20.50-23.00
Nonstop4h 10m
Las Vegas Harry Reid Intl
Wed 31/12
00.00-02.00
Nonstop0h 00m
Rp 2,352,516
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Thu 21/1
07.10-09.22
Nonstop4h 12m
Las Vegas Harry Reid Intl
Wed 31/12
00.00-02.00
Nonstop0h 00m
Rp 2,352,516
ChicagoLas Vegas
MDW Chicago Midway - LAS Las Vegas Harry Reid Intl
MDWLAS
Chicago Midway
Tue 5/1
20.50-23.00
Nonstop4h 10m
Las Vegas Harry Reid Intl
Wed 31/12
00.00-02.00
Nonstop0h 00m
Rp 2,352,516
ChicagoHouston
ORD Chicago O'Hare Intl - IAH Houston George Bush Intcntl
ORDIAH
Chicago O'Hare Intl
Thu 24/12
21.43-00.45
Nonstop3h 02m
Houston George Bush Intcntl
Wed 31/12
00.00-00.00
Nonstop0h 00m
Rp 2,497,286
ChicagoLas Vegas
MDW Chicago Midway - LAS Las Vegas Harry Reid Intl
MDWLAS
Chicago Midway
Sat 12/12
18.15-20.20
Nonstop4h 05m
Las Vegas Harry Reid Intl
Wed 31/12
00.00-02.00
Nonstop0h 00m
Rp 2,515,382
Flights are sorted by cheapest return flights first.
Deals found on 29/10
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.
ORD-LAS
MDW-LAS
ORD-IAH
ORD-BOS
ORD-CGK
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.
USIL-DPS
ORD-LAS
MDW-LAS
ORD-IAH
ORD-BOS
What is the cheapest month to book a flight from Illinois?
Currently, March is the cheapest month in which you can book a flight from Illinois (average of Rp 16,992,400). Flying from Illinois in December will prove the most costly (average of Rp 30,836,048). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
What is the cheapest place to fly to from Illinois?
The cheapest city to fly to from Illinois is Boston Logan Intl, with prices starting at Rp 2,721,860. Explore other affordable destinations below.
When is the best time to book a flight from Illinois?
To ensure you get the cheapest price possible for a flight from Illinois, you should look to book at least 63 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.
Browse thousands of different options on Cheapflights for your next trip
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Direct flights from USA
Other Illinois origins
Other United States cities
Popular flights
Direct flights from USA
Book a direct flight from one of these other cities located in USA.
Consider departing from one of these cities also located in Illinois. Flight origins are based on user searches made on Cheapflights and were last updated on 3 November 2026.
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 3 November 2026.
What is the cheapest month to fly from Illinois?
At the present moment the cheapest month to fly from Illinois is currently March; with December being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.
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 simply makes it quick and affordable to book flights from Illinois by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Illinois with no change fees?
Yes! Cheapflights helps users easily find flights from Illinois with no change fees.
Can Cheapflights notify me if prices for flights from Illinois become cheaper?
Yes, Cheapflights offers price alerts on flights from Illinois so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.
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Fly with Cheapflights
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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 simply makes it quick and affordable to book flights from Illinois by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Illinois with no change fees?
Yes! Cheapflights helps users easily find flights from Illinois with no change fees.
Can Cheapflights notify me if prices for flights from Illinois become cheaper?
Yes, Cheapflights offers price alerts on flights from Illinois so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.
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