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Cheap flights from Illinois to Mason City from $149

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Mason City departing on 12/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Illinois to Mason City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:49 pm - 6:20 pmORD-MCW
1h 31mnonstop
United Airlines Logo
10:10 am - 11:40 amMCW-ORD
1h 30mnonstop
$202United Airlines
Find Deal
Wed, Dec 24 - Sun, Dec 28
United Airlines Logo
4:49 pm - 6:20 pmORD-MCW
1h 31mnonstop
United Airlines Logo
6:55 pm - 8:25 pmMCW-ORD
1h 30mnonstop
$242United Airlines
Find Deal
Fri, Dec 19 - Mon, Jan 5
United Airlines Logo
4:50 pm - 6:16 pmORD-MCW
1h 26mnonstop
United Airlines Logo
6:56 pm - 8:25 pmMCW-ORD
1h 29mnonstop
$302United Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
United Airlines Logo
4:50 pm - 6:16 pmORD-MCW
1h 26mnonstop
United Airlines Logo
6:56 pm - 8:25 pmMCW-ORD
1h 29mnonstop
$352United Airlines
Find Deal
Fri, Dec 5 - Tue, Dec 9

United Airlines flights from Illinois to Mason City

Our best United Airlines deals on Illinois to Mason City flight tickets
United Airlines
Dec 24
ORD4:49 pmChicago O'Hare Intl
1h 31m
MCW6:20 pmMason City
Dec 28
MCW10:10 amMason City
1h 30m
ORD11:40 amChicago O'Hare Intl
$202
Find similar
United Airlines
Dec 19
ORD4:49 pmChicago O'Hare Intl
1h 31m
MCW6:20 pmMason City
Jan 5
MCW6:55 pmMason City
1h 30m
ORD8:25 pmChicago O'Hare Intl
$242
Find similar
United Airlines
Dec 6
ORD4:50 pmChicago O'Hare Intl
1h 26m
MCW6:16 pmMason City
Dec 10
MCW6:56 pmMason City
1h 29m
ORD8:25 pmChicago O'Hare Intl
$302
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Mason City 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, momondo users made 832,500 searches. Data last updated November 22, 2025.
Use the filters below to find and compare flights from Illinois to Mason City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMason City

ORD - MCW

ORDMCW

Chicago O'Hare Intl

Wed 12/24

4:49 pm-6:20 pm

Nonstop1h 31m

Mason City

Sun 12/28

10:10 am-11:40 am

Nonstop1h 30m

$202

ChicagoMason City

ORD - MCW

ORDMCW

Chicago O'Hare Intl

Fri 12/19

4:49 pm-6:20 pm

Nonstop1h 31m

Mason City

Mon 1/5

6:55 pm-8:25 pm

Nonstop1h 30m

$242

ChicagoMason City

ORD - MCW

ORDMCW

Chicago O'Hare Intl

Sat 12/6

4:50 pm-6:16 pm

Nonstop1h 26m

Mason City

Wed 12/10

6:56 pm-8:25 pm

Nonstop1h 29m

$302

ChicagoMason City

ORD - MCW

ORDMCW

Chicago O'Hare Intl

Fri 12/5

4:50 pm-6:16 pm

Nonstop1h 26m

Mason City

Tue 12/9

6:56 pm-8:25 pm

Nonstop1h 29m

$352

ChicagoMason City

ORD - MCW

ORDMCW

Chicago O'Hare Intl

Fri 12/19

4:49 pm-6:20 pm

Nonstop1h 31m

$149

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Mason City from

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

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 time of day to depart on your flight to Mason City?

The cheapest time of day to fly to Mason City is in the morning when flights can be purchased for as low as $222. In contrast, the most expensive time of day to depart to Mason City is in the afternoon when prices are around $242.

What is the cheapest Illinois to Mason City flight route?

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

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

There is only 1 cabin class available to choose from on Illinois to Mason City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Illinois to Mason City flight deals and tips

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

Fastest flight time

1h 26m

Direct flights

Thu, Sat and Sun

Airports in Mason City

1 airport
The fastest flight from Illinois to Mason City takes 1h 26m
Direct flights go from Illinois to Mason City on Thursday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Mason City: Mason City (MCW)
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  • When did momondo last update prices for flights from Illinois to Mason City Airport?

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Mason City Airport.

  • What documentation or ID do you need to fly to Mason City Airport?

    The required travel and health documents for your Mason City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Mason City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Traveling to a place near Mason City?

Book flights to Mason City if you plan to visit one of these locations
Albert Lea

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Mason City. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Illinois to Mason City 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 Illinois to Mason City?

momondo provides multiple filters to help you find the best flight to Mason City from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Illinois to Mason City flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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