What is the cheapest airline that flies from Mason City to Illinois?

United Airlines is the most popular carrier operating from Mason City to Illinois

How many flights depart from Mason City to Illinois on average per week?

The number of flights available between Mason City and Illinois is 24 per week as of November 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

What airlines fly to Illinois?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Illinois from Mason City according to our data. American Airlines is the first choice among our users, with 75% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many flights depart from Mason City to Illinois on average per day?

The number of flights available between Mason City and Illinois is 3 per day as of November 2025. The most frequent departure time is 7:00PM, with 60% of daily flights leaving in the evening.

When did momondo last update prices for flights from Mason City Airport to Illinois?

Prices for flights from Mason City Airport to Illinois are updated daily.

How many operators does momondo search for flights from Mason City Airport to Illinois?

The number of operators available for flights from Mason City Airport to Illinois is 1 as of November 2025.

How old do you have to be to fly from Mason City Airport to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Mason City Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$154 Cheap Flights from Mason City to Illinois in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Mason City to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:10 am - 11:40 amMCW-ORD

1h 30mnonstop

7:45 am - 9:23 amORD-MCW

1h 38mnonstop

$202United Airlines

Find Deal

Fri, Dec 19 - Sun, Dec 21

10:00 am - 11:29 amMCW-ORD

1h 29mnonstop

12:30 pm - 2:01 pmORD-MCW

1h 31mnonstop

$242United Airlines

Find Deal

Sun, Dec 14 - Sat, Jan 17

10:00 am - 11:29 amMCW-ORD

1h 29mnonstop

4:50 pm - 6:16 pmORD-MCW

1h 26mnonstop

$252United Airlines

Find Deal

Thu, Nov 27 - Sun, Nov 30

10:10 am - 11:35 amMCW-ORD

1h 25mnonstop

5:10 pm - 6:39 pmORD-MCW

1h 29mnonstop

$302United Airlines

Find Deal

Wed, May 6 - Sat, May 9

10:00 am - 11:29 amMCW-ORD

1h 29mnonstop

4:50 pm - 6:16 pmORD-MCW

1h 26mnonstop

$352United Airlines

Find Deal

Fri, Nov 21 - Sun, Nov 23

United Airlines flights from Mason City to Illinois

Our best United Airlines deals on Mason City to Illinois flight tickets

United Airlines

Dec 19

MCW10:10 amMason City

1h 30m

ORD11:40 amChicago O'Hare Intl

Dec 21

ORD7:45 amChicago O'Hare Intl

1h 38m

MCW9:23 amMason City

$202

Find similar

United Airlines

Dec 14

MCW10:00 amMason City

1h 29m

ORD11:29 amChicago O'Hare Intl

Jan 17

ORD12:30 pmChicago O'Hare Intl

1h 31m

MCW2:01 pmMason City

$242

Find similar

United Airlines

Nov 27

MCW10:00 amMason City

1h 29m

ORD11:29 amChicago O'Hare Intl

Nov 30

ORD4:50 pmChicago O'Hare Intl

1h 26m

MCW6:16 pmMason City

$252

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Mason CityChicago

MCW - ORD

MCWORD

Mason City

Fri 12/19

10:10 am-11:40 am

Nonstop1h 30m

Chicago O'Hare Intl

Sun 12/21

7:45 am-9:23 am

Nonstop1h 38m

$202

Mason CityChicago

MCW - ORD

MCWORD

Mason City

Sun 12/14

10:00 am-11:29 am

Nonstop1h 29m

Chicago O'Hare Intl

Sat 1/17

12:30 pm-2:01 pm

Nonstop1h 31m

$242

Mason CityChicago

MCW - ORD

MCWORD

Mason City

Thu 11/27

10:00 am-11:29 am

Nonstop1h 29m

Chicago O'Hare Intl

Sun 11/30

4:50 pm-6:16 pm

Nonstop1h 26m

$252

Mason CityChicago

MCW - ORD

MCWORD

Mason City

Wed 5/6

10:10 am-11:35 am

Nonstop1h 25m

Chicago O'Hare Intl

Sat 5/9

5:10 pm-6:39 pm

Nonstop1h 29m

$302

Mason CityChicago

MCW - ORD

MCWORD

Mason City

Fri 11/21

10:00 am-11:29 am

Nonstop1h 29m

Chicago O'Hare Intl

Sun 11/23

4:50 pm-6:16 pm

Nonstop1h 26m

$352

Mason CityChicago

MCW - ORD

MCWORD

Mason City

Thu 1/15

10:00 am-11:30 am

Nonstop1h 30m

$154

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Mason City to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Mason City to Illinois is on a Friday when prices can be found for as low as $358. Flights from Mason City to Illinois on a Saturday will generally be more expensive and average around $878. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Mason City to Illinois during this time can be as low as $368. Flights at noon are often more expensive with an average ticket price of $573.

What is the cheapest Mason City to Illinois flight route?

Fly from Mason City to Chicago O'Hare Intl for the best Mason City - Illinois flight prices

What cabin class options are available on Mason City to Illinois flights?

There are 2 cabin classes available to choose from on Mason City to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Mason City to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Mason City to Illinois

Best Price Found	$222
Fastest flight time	1h 25m
Direct flights	Mon, Thu, Fri and Sat
Airports in Illinois	1 airport

The best one-way flight to Illinois from Mason City in the past 72 hours is $222. The best round-trip flight deal from Mason City to Illinois found on momondo in the last 72 hours is $243.

The fastest flight from Mason City to Illinois takes 1h 25m

Direct flights go from Mason City to Illinois on Monday, Thursday, Friday and Saturday. The only airline offering direct flights is United Airlines.

There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)

Search flight deals

When did momondo last update prices for flights from Mason City Airport to Illinois?
Prices for flights from Mason City Airport to Illinois are updated daily.
How many operators does momondo search for flights from Mason City Airport to Illinois?
The number of operators available for flights from Mason City Airport to Illinois is 1 as of November 2025.
How old do you have to be to fly from Mason City Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Mason City Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Mason City to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Mason City to Illinois is Canadair (Bombardier) Regional Jet, representing 61.11% of all bookings. The subsequent popular models are Boeing 737-800 at 11.11%, Airbus A321-100/200 at 5.56%, and Embraer 175 at 5.56%.

Best airlines flying from Mason City to Illinois

Compare and see reviews for airlines that fly from Mason City to Illinois with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $202	Free Cancellation	Rating 7.4 9,012 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Mason City to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Mason City.

Can I find flights from Mason City to Illinois with flexible booking policies on momondo?

Flights from Mason City to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Mason City to Illinois?

Once you have performed a search for Mason City to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Mason City to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Mason City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 12/10

Wed 12/17

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular cities in Illinois

Flights to New Yorkfrom $44

Flights to Los Angelesfrom $51

Flights to Miamifrom $48

Flights to Chicagofrom $58

Flights to Orlandofrom $47

Flights to Las Vegasfrom $40

Flights to San Franciscofrom $57

Flights to Washington, D.C.from $50

Flights to Bostonfrom $48

Flights to Atlantafrom $44

Flights to Dallasfrom $53

Flights to Seattlefrom $49

Cheap flights from Mason City to Illinois from $154

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Mason City to Illinois departing on 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Mason City to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

United Airlines flights from Mason City to Illinois

Our best United Airlines deals on Mason City to Illinois flight tickets

momondo Fare Finder

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

See travel insights to Illinois from

How to get the cheapest flight ticket from Mason City to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Mason City to Illinois during this time can be as low as $368. Flights at noon are often more expensive with an average ticket price of $573.

What is the cheapest Mason City to Illinois flight route?

Fly from Mason City to Chicago O'Hare Intl for the best Mason City - Illinois flight prices

What cabin class options are available on Mason City to Illinois flights?

There are 2 cabin classes available to choose from on Mason City to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Mason City to Illinois?

United Airlines is the most popular carrier operating from Mason City to Illinois

What airlines fly to Illinois?

How many flights depart from Mason City to Illinois on average per day?

The number of flights available between Mason City and Illinois is 3 per day as of November 2025. The most frequent departure time is 7:00PM, with 60% of daily flights leaving in the evening.

How many flights depart from Mason City to Illinois on average per week?

The number of flights available between Mason City and Illinois is 24 per week as of November 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

Cheap Mason City to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Mason City to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

When did momondo last update prices for flights from Mason City Airport to Illinois?

How many operators does momondo search for flights from Mason City Airport to Illinois?

How old do you have to be to fly from Mason City Airport to Illinois?

What documentation or ID do you need to fly to Illinois?

What is the most popular plane model from Mason City to Illinois?

Best airlines flying from Mason City to Illinois

Compare and see reviews for airlines that fly from Mason City to Illinois with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Mason City to Illinois?

Can I find flights from Mason City to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from Mason City to Illinois?

I’m not ready to book a flight from Mason City to Illinois right now. Can momondo alert me if prices change?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo