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$159+ Cheap flights from Waterloo, IA (ALO) to Illinois

ALO — ORD
Dec 9 — Dec 161
Wed 12/9
Wed 12/16
1 adult, Economy
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Cheap flight deals from Waterloo to Illinois

Cheapest flights from Waterloo to Illinois

Thu 11/265:56 am -
Nonstop1h 43m
Sun 11/291:45 pm -
Nonstop1h 29m
Deal found 11/9$223
Fri 11/205:56 am -
Nonstop1h 43m
Tue 11/2410:15 pm -
Nonstop1h 26m
Deal found 11/5$224
Fri 11/133:43 pm -
Nonstop1h 41m
Mon 11/1610:15 pm -
Nonstop1h 23m
Deal found 11/9$324
Sun 11/295:56 am -
Nonstop1h 43m
Mon 11/301:45 pm -
Nonstop1h 29m
Deal found 11/7$413

Find flight deals from Waterloo to Illinois

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$223
(American Airlines)

One-way from

$159
(American Airlines)

Good round-trip deal

$473 or less

Good one-way deal

$294 or less
Provider with most accurate pricing for Waterloo-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Waterloo-Chicago (CHI) flights.
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From Waterloo to Illinois
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One-way flight from Waterloo to Illinois
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Price to beat on a round-trip flight from Waterloo to Illinois.
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Price to beat on a one-way flight from Waterloo to Illinois.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Waterloo to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Mon 12/21

7:04 am-8:45 am

Nonstop1h 41m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$159

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Fri 12/4

3:44 pm-5:29 pm

Nonstop1h 45m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$159
Quickest round-trip

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Fri 4/30

2:23 pm-3:54 pm

Nonstop1h 31m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$179

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Sat 11/21

5:56 am-7:39 am

Nonstop1h 43m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$209

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Thu 11/26

5:56 am-7:39 am

Nonstop1h 43m

Chicago O'Hare Intl

Sun 11/29

1:45 pm-3:14 pm

Nonstop1h 29m

$223

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Mon 11/23

3:44 pm-5:26 pm

Nonstop1h 42m

Chicago O'Hare Intl

Fri 11/27

10:15 pm-11:41 pm

Nonstop1h 26m

$224

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Sat 11/21

5:56 am-7:39 am

Nonstop1h 43m

Chicago O'Hare Intl

Wed 11/25

1:45 pm-3:14 pm

Nonstop1h 29m

$224

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Fri 11/20

5:56 am-7:39 am

Nonstop1h 43m

Chicago O'Hare Intl

Tue 11/24

10:15 pm-11:41 pm

Nonstop1h 26m

$224

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Wed 11/25

3:44 pm-5:26 pm

Nonstop1h 42m

Chicago O'Hare Intl

Sun 11/29

1:45 pm-3:14 pm

Nonstop1h 29m

$324

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Sun 11/29

5:56 am-7:39 am

Nonstop1h 43m

Chicago O'Hare Intl

Mon 11/30

1:45 pm-3:14 pm

Nonstop1h 29m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Sorted by cheapest first

Best time to book a flight from Waterloo to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Waterloo with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Waterloo to Illinois

What is the cheapest time of day to fly from ALO to IL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Waterloo, Iowa to Illinois as you normally would.

Weekly flight availability from Waterloo, Iowa to Illinois

The most flights from ALO to USIL are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Illinois

Get a feel of what it's like to fly with American Airlines from Waterloo to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.0
Good
12,225 reviews

Crew

7.9

Comfort

7.2

Food

6.4

Entertainment

6.8

Overall

7.0

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
American Airlines
7.0
Good
12,225 reviews
American Airlines
7.0
Good
12,225 reviews

Crew

7.9

Comfort

7.2

Food

6.4

Entertainment

6.8

Overall

7.0

Boarding

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.

Related info for your journey

  • What airport do you fly from for flights from Waterloo to Illinois?

    For a flight from Waterloo to Illinois, you will be flying from Waterloo. Waterloo (ALO) is just 5.3 mi from the center of the city.

  • How long is the flight from Waterloo, Iowa to Illinois?

    There are many flights that can get you from Waterloo, Iowa to Illinois in 1h 43m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 233 mi. All flights are typically nonstop.

  • What are the most reliable airlines from Waterloo, Iowa to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Waterloo, Iowa to Illinois on time: SkyWest Airlines (74%), American Airlines (74%), Qatar Airways (73%).

  • What are the cheapest flights from Waterloo, Iowa to Illinois?

    While on average a flight from Waterloo, Iowa to Illinois is generally $549, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Waterloo - Chicago O'Hare Intl), you can expect to pay $224 for that flight.

  • Can I find deals for flights from Waterloo to Illinois that include hotel bookings?

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

  • How can I find direct flights from Waterloo to Illinois?

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

  • Can I find deals for business class flights from Waterloo to Illinois?

    Yes. Cheapflights offers flight deals from Waterloo 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Waterloo to Illinois

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$203Average$303FlexibilityNo cancel feeOn-time71%

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