$149+ Cheap flights from Waterloo, IA (ALO) to O'Hare Intl (ORD)
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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — ORD
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Waterloo to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Waterloo to O'Hare Intl
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Cheapest flights from Waterloo to O'Hare IntlExplore the most affordable flight options available from Waterloo to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Waterloo to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/113:43 pm -
Nonstop1h 41m
Sun 12/131:47 pm -
Nonstop1h 26m
Deal found 9/18![American Airlines logo]()
$204
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:07 am -
Nonstop1h 27m
Wed 10/1410:25 pm -
Nonstop1h 26m
Deal found 9/20![American Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:29 pm -
Nonstop1h 39m
Sat 10/310:38 pm -
Nonstop1h 21m
Deal found 9/20![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:29 pm -
Nonstop1h 39m
Fri 10/21:28 pm -
Nonstop1h 27m
Deal found 9/21![American Airlines logo]()
$493
Best flights from Waterloo to O'Hare IntlDiscover carefully curated flight deals from Waterloo to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Waterloo to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/113:43 pm -
Nonstop1h 41m
Sun 12/131:47 pm -
Nonstop1h 26m
Deal found 9/21![American Airlines logo]()
$204
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:07 am -
Nonstop1h 27m
Sat 10/2410:25 pm -
Nonstop1h 26m
Deal found 9/18![American Airlines logo]()
$204
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/43:48 pm -
Nonstop1h 36m
Sun 3/71:49 pm -
Nonstop1h 29m
Deal found 9/18![American Airlines logo]()
$224
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/85:00 am -
Nonstop1h 27m
Wed 3/101:49 pm -
Nonstop1h 29m
Deal found 9/18![American Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:07 am -
Nonstop1h 27m
Wed 10/1410:25 pm -
Nonstop1h 26m
Deal found 9/20![American Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/95:00 am -
Nonstop1h 27m
Thu 3/111:49 pm -
Nonstop1h 29m
Deal found 9/21![American Airlines logo]()
$293
This deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:29 pm -
Nonstop1h 39m
Sat 10/310:38 pm -
Nonstop1h 21m
Deal found 9/22![American Airlines logo]()
$304
This deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:00 am -
Nonstop1h 24m
Mon 10/510:25 pm -
Nonstop1h 26m
Deal found 9/22![American Airlines logo]()
$304
This deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:00 am -
Nonstop1h 24m
Sun 10/41:28 pm -
Nonstop1h 27m
Deal found 9/22![American Airlines logo]()
$304
This deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:00 am -
Nonstop1h 24m
Mon 10/51:40 pm -
Nonstop1h 29m
Deal found 9/22![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/75:00 am -
Nonstop1h 27m
Wed 3/101:49 pm -
Nonstop1h 29m
Deal found 9/18![American Airlines logo]()
$313
Last-minute flights from Waterloo to O'Hare IntlDiscover last-minute flight deals from Waterloo to O'Hare Intl. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Waterloo to O'Hare Intl. Data last updated September 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:29 pm -
Nonstop1h 39m
Sat 10/310:38 pm -
Nonstop1h 21m
Deal found 9/20![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:29 pm -
Nonstop1h 39m
Fri 10/21:28 pm -
Nonstop1h 27m
Deal found 9/21![American Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:00 am -
Nonstop1h 24m
Wed 10/71:40 pm -
Nonstop1h 29m
Deal found 9/18![American Airlines logo]()
$204
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:07 am -
Nonstop1h 27m
Wed 10/1410:25 pm -
Nonstop1h 26m
Deal found 9/20![American Airlines logo]()
$293
One-way flights from Waterloo to O'Hare IntlSearch for one-way flight options from Waterloo to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Waterloo to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/185:00 am -
Nonstop1h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$149
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/187:04 am -
Nonstop1h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$169
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:00 am -
Nonstop1h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/215:00 am -
Nonstop1h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![American Airlines logo]()
$199
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:29 pm -
Nonstop1h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![American Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am -
Nonstop1h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![American Airlines logo]()
$309
Find flight deals from Waterloo to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Waterloo (ALO) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 23, 2026.
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 |
Cheapflights Fare Finder
Customize your flight search to find flights from Waterloo to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Waterloo to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
WaterlooChicago
ALO Waterloo - ORD Chicago O'Hare Intl
ALOORD
Waterloo
Thu 3/18
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 10/19
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 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
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
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
Tue 3/16
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
Sun 11/15
3:43 pm-5:24 pm
Nonstop1h 41m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Waterloo to O'Hare Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Waterloo to O'Hare Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Waterloo, Iowa-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Waterloo, Iowa-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Waterloo, Iowa-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Waterloo, Iowa-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Waterloo, Iowa-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Waterloo to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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.
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated September 23, 2026.
Read reviews from past customers who have flown American Airlines from Waterloo to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.0
Boarding
7.4
Comfort
7.2
Food
6.4
Entertainment
6.8
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Overall
7.0
Boarding
7.4
Comfort
7.2
Food
6.4
Entertainment
6.8
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Related info for your journey
Find useful and relevant information for your journey from Waterloo to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Des Plaines
Lake Geneva
Naperville
Glenview
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Aurora
Libertyville
Rockford
Hoffman Estates
Beloit
Orland Park
South Holland
Elgin
Racine
Janesville
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Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Waterloo and O'Hare Intl flights
Browse other Waterloo and O'Hare Intl flight options. Last updated on September 23, 2026.
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Top airline flying from Waterloo to O'Hare Intl
Discover the top airline that operate flights from Waterloo to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$203 | Average$303 | FlexibilityNo cancel fee | On-time71% |