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O'Hare Intl

$50+ Cheap flights from Miami (MIA) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — ORD
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Find cheap flights from Miami 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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3. Compare prices and book

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Cheapflights Tip: The best prices from Miami to Chicago O'Hare Intl are usually found in February or October, booked 84 days in advance, depart on a Friday or Thursday and return on a Monday

Cheap flight deals from Miami to O'Hare Intl

Cheapest flights from Miami to O'Hare Intl
Explore the most affordable flight options available from Miami to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:21 pm
MIA
-
ORD
Nonstop3h 38m
Frontier
Sat 4/183:52 pm
ORD
-
MIA
Nonstop3h 19m
Frontier
Deal found 3/18$85
This Super.com deal was found by Cheapflights users on 3/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:21 pm
MIA
-
ORD
Nonstop3h 38m
Frontier
Mon 4/204:58 pm
ORD
-
MIA
Nonstop3h 19m
Frontier
Deal found 3/18$89
This Booking.com deal was found by Cheapflights users on 3/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:20 am
MIA
-
ORD
Nonstop3h 30m
Multiple Airlines
Sun 4/127:25 am
ORD
-
MIA
Nonstop3h 19m
Multiple Airlines
Deal found 3/19$90
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:20 am
MIA
-
ORD
Nonstop3h 30m
Multiple Airlines
Mon 4/1311:59 am
ORD
-
MIA
Nonstop3h 19m
Multiple Airlines
Deal found 3/19$92
This Super.com deal was found by Cheapflights users on 3/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:19 pm
MIA
-
ORD
Nonstop3h 38m
Frontier
Mon 4/1311:59 am
ORD
-
MIA
Nonstop3h 19m
Frontier
Deal found 3/22$94
This Expedia deal was found by Cheapflights users on 3/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:04 pm
MIA
-
ORD
Nonstop3h 38m
Multiple Airlines
Tue 4/144:51 pm
ORD
-
MIA
Nonstop3h 06m
Multiple Airlines
Deal found 3/22$95
This Super.com deal was found by Cheapflights users on 3/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:21 pm
MIA
-
ORD
Nonstop3h 38m
Frontier
Mon 4/204:58 pm
ORD
-
MIA
Nonstop3h 19m
Frontier
Deal found 3/21$96
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:21 pm
MIA
-
ORD
Nonstop3h 38m
Frontier
Sat 4/253:52 pm
ORD
-
MIA
Nonstop3h 19m
Frontier
Deal found 3/20$97
This Cheapflightsfares deal was found by Cheapflights users on 3/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:00 am
MIA
-
ORD
Nonstop3h 25m
Spirit Airlines
Tue 3/314:51 pm
ORD
-
MIA
Nonstop3h 06m
Spirit Airlines
Deal found 3/21$98
This Super.com deal was found by Cheapflights users on 3/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:21 pm
MIA
-
ORD
Nonstop3h 38m
Frontier
Sun 4/263:57 pm
ORD
-
MIA
Nonstop3h 19m
Frontier
Deal found 3/19$99
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:20 am
MIA
-
ORD
Nonstop3h 30m
Spirit Airlines
Sat 4/114:51 pm
ORD
-
MIA
Nonstop3h 06m
Spirit Airlines
Deal found 3/20$100
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:04 pm
MIA
-
ORD
Nonstop3h 38m
Multiple Airlines
Sun 4/124:51 pm
ORD
-
MIA
Nonstop3h 06m
Multiple Airlines
Deal found 3/22$101

Find flight deals from Miami to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) 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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$85
(Cheapflightsfares)

One-way from

$50
(Super.com)

Popular in

November

Cheapest in

February

Average price

$276

Good round-trip deal

$194 or less

Good one-way deal

$143 or less
Provider with most accurate pricing for Miami-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Chicago O'Hare Intl flights.
Search Deals
From Miami to Chicago O'Hare Intl
Search Deals
One-way flight from Miami to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Miami to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Miami to Chicago O'Hare Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Miami 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 2,558,603 searches. Data last updated March 22, 2026.
Use the filters below to find and compare flights from Miami to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MiamiChicago

MIA - ORD

MIAORD

Miami

Thu 4/2

7:20 am-9:50 am

Nonstop3h 30m

Chicago O'Hare Intl

Mon 4/6

4:51 pm-8:57 pm

Nonstop3h 06m

$169

MiamiChicago

MIA - ORD

MIAORD

Miami

Fri 8/21

11:25 am-1:35 pm

Nonstop3h 10m

Chicago O'Hare Intl

Tue 9/1

4:32 pm-12:48 am

1 stop7h 16m

$210

MiamiChicago

MIA - ORD

MIAORD

Miami

Wed 4/29

8:04 am-12:45 pm

1 stop5h 41m

Chicago O'Hare Intl

Mon 5/18

9:25 am-5:41 pm

1 stop7h 16m

$277

MiamiChicago

MIA - ORD

MIAORD

Miami

Sat 5/16

9:30 am-3:30 pm

1 stop7h 00m

Chicago O'Hare Intl

Tue 5/19

5:55 am-9:10 pm

2 stops14h 15m

$308

MiamiChicago

MIA - ORD

MIAORD

Miami

Sat 5/23

5:24 pm-8:08 pm

Nonstop3h 44m

Chicago O'Hare Intl

Wed 5/27

6:05 pm-10:27 pm

Nonstop3h 22m

$317

MiamiChicago

MIA - ORD

MIAORD

Miami

Wed 4/22

4:18 pm-6:57 pm

Nonstop3h 39m

Chicago O'Hare Intl

Fri 4/24

6:25 pm-10:45 pm

Nonstop3h 20m

$347

MiamiChicago

MIA - ORD

MIAORD

Miami

Mon 6/8

6:44 am-5:11 pm

1 stop11h 27m

Chicago O'Hare Intl

Tue 6/9

11:51 am-11:29 pm

1 stop10h 38m

$367

MiamiChicago

MIA - ORD

MIAORD

Miami

Wed 4/29

12:24 pm-3:03 pm

Nonstop3h 39m

Chicago O'Hare Intl

Mon 5/18

6:13 pm-10:33 pm

Nonstop3h 20m

$367

MiamiChicago

MIA - ORD

MIAORD

Miami

Mon 7/6

8:05 am-12:39 pm

1 stop5h 34m

Chicago O'Hare Intl

Wed 7/15

1:15 pm-8:57 pm

1 stop6h 42m

$370
Quickest round-trip

MiamiChicago

MIA - ORD

MIAORD

Miami

Sun 6/21

11:25 am-1:35 pm

Nonstop3h 10m

Chicago O'Hare Intl

Sun 6/28

6:30 am-10:30 am

Nonstop3h 00m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Miami 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 Miami to O'Hare Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Miami-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 Miami-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Miami-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Miami-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 Miami-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 Miami to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Miami with our price prediction graph.
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 Miami to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Miami to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Miami to O'Hare Intl. Price data was last updated on March 13, 2026.

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Miami to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Miami to Chicago O'Hare Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Miami to Chicago O'Hare Intl Airport (average of $59). Flying from Miami to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $118). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MIA to ORD?

Find hourly flight availability from Miami to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 22, 2026.

It’s optimal to fly from Miami to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Miami to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Miami to O'Hare Intl. Price data was last updated on March 14, 2026.

Travelers seeking maximum savings on their Miami to Chicago O'Hare Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Miami to Chicago O'Hare Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Miami to Chicago O'Hare Intl Airport trip
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD and MIA

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 March 22, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andSpirit Airlines from Miami to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,458 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
United Airlines
7.4
Good
9,458 reviews
United Airlines
7.4
Good
9,458 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
American Airlines
7.1
Good
11,487 reviews
United Airlines
7.4
Good
9,458 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Spirit Airlines
6.3
Okay
8,532 reviews
United Airlines
7.4
Good
9,458 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Frontier
5.7
Fair
3,020 reviews
United Airlines
7.4
Good
9,458 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.

Related info for your journey

Find useful and relevant information for your journey from Miami 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.

  • What airport do you fly from for flights from Miami to Chicago O'Hare Intl?

    Located just 6.1 mi from the city center, Miami is the airport most travelers will use when flying to Chicago O'Hare Intl from Miami. Booking flights from Miami (MIA) to Chicago O'Hare Intl should be relatively easy as there are 52 daily outbound flights to Chicago O'Hare Intl from 4 different airlines.

  • How long is the flight from Miami to Chicago O'Hare Intl Airport?

    Departing from Miami to Chicago O'Hare Intl Airport will take you 3h 30m. Airlines will cover a distance of 1198 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Miami to Chicago O'Hare Intl Airport round-trip?

    Our cheapest airline available from Miami to Chicago O'Hare Intl Airport is Frontier. Our recent data shows that you can find tickets from as low as $56 on this airline. Additional options worth looking into are Spirit Airlines and United Airlines, starting at $71 and $128 round-trip. Frontier is 76% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Miami to Chicago O'Hare Intl Airport one-way?

    One-way options have recently been found by users for as low as $43 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $44 and JetBlue from $71 one-way.

  • What are the most reliable airlines from Miami to Chicago O'Hare Intl Airport?

    Consider Alaska Airlines (81%), Frontier (77%) or Japan Airlines (76%) when booking your flight. These represent the most reliable airlines when flying from Miami to Chicago O'Hare Intl Airport.

  • What are the cheapest flights from Miami to Chicago O'Hare Intl Airport?

    The cheapest flight price from Miami to Chicago O'Hare Intl Airport is $44. On average you can expect to pay $1,073. The most popular route, (Miami - Chicago O'Hare Intl), can usually be booked for $99.

  • Can I find deals for flights from Miami to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Miami to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Miami to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Miami to O'Hare Intl.

  • Can I find deals for business class flights from Miami to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Miami to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Miami to Chicago O'Hare Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Miami to Chicago O'Hare Intl Airport (average of $59). Flying from Miami to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $118). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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 locations
Schaumburg
Rosemont
Gurnee
Naperville
Lake Geneva
Hoffman Estates
Delavan
Downers Grove
Des Plaines
Elgin
Oak Brook
South Holland
Elk Grove Village
Libertyville
Waukegan
Beloit
Warrenville
Oakbrook Terrace
Bridgeview
Great Lakes

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Miami to O'Hare Intl

Discover the top 4 airlines that operate flights from Miami 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 2,558,603 searches. Data last updated March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$200FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$71Average$161FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$128Average$311FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$288FlexibilityNo cancel feeOn-time71%

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