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S$ 150+ 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 6-2. 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 — SIN
22 Jan — 29 Jan1
1 adult

Find flights from Illinois

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 17 January 2025.

Wed 4-606:00ORD - PWM
1 stop6h 19mUnited Airlines
Mon 9-606:00PWM - ORD
Nonstop2h 57mUnited Airlines
Deal found 16-1S$ 299
Tue 18-208:35ORD - PWM
1 stop7h 09mDelta
Thu 20-216:46PWM - ORD
1 stop5h 07mDelta
Deal found 16-1S$ 308
Sun 16-213:55ORD - GRR
Nonstop1h 06mUnited Airlines
Tue 18-218:29GRR - ORD
Nonstop1h 12mUnited Airlines
Deal found 16-1S$ 335
Sun 23-219:18ORD - ONT
1 stop6h 33mDelta
Mon 3-313:21ONT - ORD
1 stop6h 06mDelta
Deal found 16-1S$ 351
Fri 14-218:15ORD - GRR
1 stop3h 42mDelta
Sat 15-206:50GRR - ORD
1 stop3h 26mDelta
Deal found 16-1S$ 362
Tue 25-214:00ORD - ONT
1 stop9h 27mAlaska Airlines
Wed 26-207:00ONT - ORD
2 stops14h 59mAlaska Airlines
Deal found 15-1S$ 414
Sun 6-720:10ORD - PWM
1 stop14h 25mSun Country Air
Fri 11-712:32PWM - ORD
1 stop7h 39mSun Country Air
Deal found 16-1S$ 437
Mon 10-314:35ORD - ONT
1 stop8h 22mUnited Airlines
Sat 15-313:40ONT - ORD
1 stop7h 11mUnited Airlines
Deal found 16-1S$ 443
Mon 24-216:00ORD - PWM
1 stop5h 40mSouthwest
Thu 27-217:10PWM - ORD
1 stop5h 20mSouthwest
Deal found 16-1S$ 455
Mon 10-306:00ORD - ONT
1 stop6h 30mSouthwest
Sat 15-305:50ONT - ORD
2 stops8h 35mSouthwest
Deal found 16-1S$ 607
Mon 24-317:25ORD - ATH
1 stop24h 40mDelta
Fri 4-410:30ATH - ORD
1 stop30h 47mDelta
Deal found 16-1S$ 751
Mon 3-311:53ORD - ATH
2 stops16h 07mUnited Airlines
Wed 19-312:55ATH - ORD
1 stop16h 05mUnited Airlines
Deal found 17-1S$ 753

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 17 January 2025. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Any airport

Route

Depart

Return

Price

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Sun 16-2

13:55-16:01

Nonstop1h 06m

Grand Rapids Gerald R. Ford Intl

Tue 18-2

18:29-18:41

Nonstop1h 12m

S$ 335

ChicagoPortland

ORD - PWM

ORDPWM

Chicago O'Hare Intl

Wed 4-6

16:00-23:56

1 stop6h 56m

Portland

Mon 9-6

05:30-11:56

1 stop7h 26m

S$ 338

ChicagoPortland

ORD - PWM

ORDPWM

Chicago O'Hare Intl

Fri 31-1

16:55-23:51

1 stop5h 56m

Portland

Sun 2-2

07:15-13:48

1 stop7h 33m

S$ 340

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sun 23-2

19:18-23:51

1 stop6h 33m

Ontario

Mon 3-3

13:21-21:27

1 stop6h 06m

S$ 351

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Fri 14-2

18:15-22:57

1 stop3h 42m

Grand Rapids Gerald R. Ford Intl

Sat 15-2

06:50-09:16

1 stop3h 26m

S$ 362

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 25-2

14:00-21:27

1 stop9h 27m

Ontario

Wed 26-2

07:00-23:59

2 stops14h 59m

S$ 414

ChicagoPortland

ORD - PWM

ORDPWM

Chicago O'Hare Intl

Sun 6-7

20:10-11:35

1 stop14h 25m

Portland

Fri 11-7

12:32-19:11

1 stop7h 39m

S$ 437

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Mon 10-3

14:35-20:57

1 stop8h 22m

Ontario

Sat 15-3

13:40-22:51

1 stop7h 11m

S$ 443

ChicagoPortland

ORD - PWM

ORDPWM

Chicago O'Hare Intl

Mon 24-2

16:00-22:40

1 stop5h 40m

Portland

Thu 27-2

17:10-21:30

1 stop5h 20m

S$ 455

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Mon 10-3

06:00-10:30

1 stop6h 30m

Ontario

Sat 15-3

05:50-16:25

2 stops8h 35m

S$ 607

Flights are sorted by cheapest return flights first.

Deals found on 17-1

Showing 1-10 of 60 results
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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, February is the cheapest month in which you can book a flight from Illinois (average of S$ 1,017). Flying from Illinois in June will prove the most costly (average of S$ 1,706). 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: United Airlines. As it departs for the following popular destinations: Singapore.

United Airlines

United Airlines

From S$ 836

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Orlando, with prices starting at S$ 84. Explore other affordable destinations below.

Orlando

Orlando

From S$ 61

San Francisco

San Francisco

From S$ 107

Buffalo

Buffalo

From S$ 199

Rome

Rome

From S$ 719

Airline reviews for flights from Illinois

Get insights into the airlines that provide service from Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Illinois. In the last 7 days, Cheapflights users made a total of 200,618 searches.
Korean Air
8.5
Very Good
1,034 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very Good
1,034 reviews
Korean Air
8.5
Very Good
1,034 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

EVA Air
8.4
Very Good
1,248 reviews
Korean Air
8.5
Very Good
1,034 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very Good
847 reviews
Korean Air
8.5
Very Good
1,034 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very Good
1,448 reviews
Korean Air
8.5
Very Good
1,034 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Emirates
8.1
Very Good
3,351 reviews
Korean Air
8.5
Very Good
1,034 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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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 17 January 2025.

  • What is the cheapest month to fly from Illinois?

    Currently, the cheapest month for flights from Illinois is February. The most expensive month for flights is June. 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 Singapore from S$ 1,032 round trip

  • How does Cheapflights help users find flights from Illinois?

    When you search for this flight from Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Illinois.

  • 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! Start tracking prices for flights from Illinois today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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Fly with Cheapflights

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How does Cheapflights help users find flights from Illinois?

When you search for this flight from Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Illinois.

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! Start tracking prices for flights from Illinois today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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