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 35m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 233 mi. All flights are typically nonstop.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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

While on average a flight from Waterloo, Iowa to Illinois is generally $572, our data shows the cheapest flight currently is $348. When looking at the most popular route, (Waterloo - Chicago O'Hare Intl), you can expect to pay $204 for that flight.

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 (59%), American Airlines (59%), Qatar Airways (36%).

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.

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.

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.

$149+ Cheap Flights from Waterloo, IA to Illinois

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Cheap flight deals from Waterloo to Illinois

Cheapest

Best

Last-minute

One-way

Cheapest flights from Waterloo to Illinois
Explore the most affordable flight options available from Waterloo to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.

Fri 10/163:39 pm -

Nonstop1h 35m

Mon 10/1910:25 pm -

Nonstop1h 26m

Deal found 9/24

$204

Sun 10/116:07 am -

Nonstop1h 27m

Wed 10/1410:25 pm -

Nonstop1h 26m

Deal found 9/20

$293

Thu 10/13:29 pm -

Nonstop1h 39m

Sat 10/310:38 pm -

Nonstop1h 21m

Deal found 9/20

$304

Sat 10/176:07 am -

Nonstop1h 27m

Mon 10/261:40 pm -

Nonstop1h 29m

Deal found 9/24

$364

Thu 10/15:00 am -

Nonstop1h 24m

Fri 10/210:38 pm -

Nonstop1h 21m

Deal found 9/24

$493

Best flights from Waterloo to Illinois
Discover carefully curated flight deals from Waterloo to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Wed 10/143:39 pm -

Nonstop1h 35m

Sat 10/1710:25 pm -

Nonstop1h 26m

Deal found 9/22

$204

Thu 10/226:07 am -

Nonstop1h 27m

Thu 10/2910:25 pm -

Nonstop1h 26m

Deal found 9/24

$204

Fri 12/113:43 pm -

Nonstop1h 41m

Sun 12/131:47 pm -

Nonstop1h 26m

Deal found 9/21

$204

Wed 10/76:07 am -

Nonstop1h 27m

Sun 10/111:40 pm -

Nonstop1h 29m

Deal found 9/22

$204

Fri 10/163:39 pm -

Nonstop1h 35m

Mon 10/1910:25 pm -

Nonstop1h 26m

Deal found 9/24

$204

Sun 10/116:07 am -

Nonstop1h 27m

Wed 10/1410:25 pm -

Nonstop1h 26m

Deal found 9/20

$293

Tue 3/95:00 am -

Nonstop1h 27m

Thu 3/111:49 pm -

Nonstop1h 29m

Deal found 9/21

$293

Last-minute flights from Waterloo to Illinois
Discover last-minute flight deals from Waterloo to Illinois. Data last updated September 24, 2026 and is based on user searches.

Thu 10/13:29 pm -

Nonstop1h 39m

Sat 10/310:38 pm -

Nonstop1h 21m

Deal found 9/20

$304

Thu 10/13:29 pm -

Nonstop1h 39m

Thu 10/110:38 pm -

Nonstop1h 21m

Deal found 9/24

$493

Sun 10/116:07 am -

Nonstop1h 27m

Wed 10/1410:25 pm -

Nonstop1h 26m

Deal found 9/20

$293

Fri 10/163:39 pm -

Nonstop1h 35m

Mon 10/1910:25 pm -

Nonstop1h 26m

Deal found 9/24

$204

One-way flights from Waterloo to Illinois
Search for one-way flight options from Waterloo to Illinois. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.

Tue 10/206:07 am -

Nonstop1h 27m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/19

$149

Fri 12/187:04 am -

Nonstop1h 41m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/20

$169

Fri 3/193:48 pm -

Nonstop1h 36m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/19

$179

Sun 3/215:00 am -

Nonstop1h 27m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/19

$199

Thu 10/15:00 am -

Nonstop1h 24m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$309

Find flight deals from Waterloo to Illinois

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$204 (American Airlines)
One-way from	$149 (American Airlines)
Good round-trip deal	$534 or less
Good one-way deal	$388 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

Search Deals

One-way flight from Waterloo to Illinois

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Price to beat on a round-trip flight from Waterloo to Illinois.

Search Deals

Price to beat on a one-way flight from Waterloo to Illinois.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Tue 10/20

6:07 am-7:34 am

Nonstop1h 27m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$149

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Tue 12/22

7:04 am-8:45 am

Nonstop1h 41m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$149

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Sat 10/24

6:07 am-7:34 am

Nonstop1h 27m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$149

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Wed 10/21

3:39 pm-5:14 pm

Nonstop1h 35m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$149

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Sun 11/22

3:44 pm-5:26 pm

Nonstop1h 42m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$149

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Wed 3/17

5:00 am-6:27 am

Nonstop1h 27m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$149

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Mon 3/15

3:48 pm-5:24 pm

Nonstop1h 36m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$149

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Thu 10/22

3:39 pm-5:14 pm

Nonstop1h 35m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$149

WaterlooChicago

ALO Waterloo - ORD Chicago O'Hare Intl

ALOORD

Waterloo

Mon 11/23

5:56 am-7:39 am

Nonstop1h 43m

Chicago O'Hare Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$149

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

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 18 resultsSorted 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.

ALO-ORD

Estimated round-trip 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.

Cheapflights Insights

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

ALO-USIL

ALO-ORD

No data available for this route at this time. Please check back soon.

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

12,075 reviews

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

12,075 reviews

American Airlines

7.0

Good

12,075 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

BNA - ORD

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 35m. 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 (59%), American Airlines (59%), Qatar Airways (36%).
What are the cheapest flights from Waterloo, Iowa to Illinois?
While on average a flight from Waterloo, Iowa to Illinois is generally $572, our data shows the cheapest flight currently is $348. When looking at the most popular route, (Waterloo - Chicago O'Hare Intl), you can expect to pay $204 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

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Top airline flying from Waterloo to Illinois

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$203	Average$303	FlexibilityNo cancel fee	On-time71%

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$149+ Cheap flights from Waterloo, IA (ALO) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Waterloo to Illinois with Cheapflights

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Cheap flight deals from Waterloo to Illinois

Cheapest flights from Waterloo to IllinoisExplore the most affordable flight options available from Waterloo to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.

Explore the most affordable flight options available from Waterloo to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.

Best flights from Waterloo to IllinoisDiscover carefully curated flight deals from Waterloo to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Discover carefully curated flight deals from Waterloo to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Last-minute flights from Waterloo to IllinoisDiscover last-minute flight deals from Waterloo to Illinois. Data last updated September 24, 2026 and is based on user searches.

Discover last-minute flight deals from Waterloo to Illinois. Data last updated September 24, 2026 and is based on user searches.

One-way flights from Waterloo to IllinoisSearch for one-way flight options from Waterloo to Illinois. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.

Search for one-way flight options from Waterloo to Illinois. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.

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

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.

Cheapflights Insights

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.

Related info for your journey

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

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

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

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

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

How can I find direct flights from Waterloo to Illinois?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Waterloo to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Waterloo to Illinois by cabin class

Find flights from Waterloo to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Waterloo and Illinois flights

Browse other Waterloo and Illinois flight options. Last updated on September 24, 2026.

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Cheapest flights from Waterloo to Illinois
Explore the most affordable flight options available from Waterloo to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.

Best flights from Waterloo to Illinois
Discover carefully curated flight deals from Waterloo to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Last-minute flights from Waterloo to Illinois
Discover last-minute flight deals from Waterloo to Illinois. Data last updated September 24, 2026 and is based on user searches.

One-way flights from Waterloo to Illinois
Search for one-way flight options from Waterloo to Illinois. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.