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

The number of flights available between Maine and Illinois is 643 per week as of July 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

What airlines fly to Illinois?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Illinois from Maine according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Maine to Illinois?

Southwest, United Airlines, and Delta are the most popular carriers operating from Maine to Illinois

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

The number of flights available between Maine and Illinois is 91 per day as of July 2026. The most frequent departure time is 6:00AM, with 50% of daily flights leaving in the afternoon.

How long is the flight from Maine to Illinois?

The flight from Maine to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Portland (a popular airport in Maine) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 2h 57m on average. If you fly from Bangor (another popular airport in Maine) to Chicago O'Hare Intl Airport, then the average flight time is 3h.

When did momondo last update prices for flights from Maine to Illinois?

Prices for flights from Maine to Illinois are updated daily.

How many operators does momondo search for flights from Maine to Illinois?

There are 6 operators available for flights from Maine to Illinois as of July 2026.

How old do you have to be to fly from Maine 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 Maine 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.

$96 Cheap Flights from Maine to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Maine to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 pm - 11:05 pm

BOS

MDW

5h 20m

1 stop

2:50 pm - 9:20 pm

MDW

BOS

5h 30m

2 stops

$162Southwest

Thu, Oct 1 - Mon, Oct 5

6:40 pm - 8:20 pm

BOS

MDW

2h 40mnonstop

5:55 am - 1:35 pm

MDW

BOS

6h 40m

1 stop

$163Southwest

Thu, Aug 13 - Mon, Aug 17

8:15 am - 10:11 am

BOS

ORD

2h 56mnonstop

8:20 pm - 11:51 pm

ORD

BOS

2h 31mnonstop

$163JetBlue

Fri, Aug 28 - Sun, Aug 30

7:05 am - 9:04 am

BOS

ORD

2h 59mnonstop

9:40 pm - 1:11 am

ORD

BOS

2h 31mnonstop

$164United Airlines

Sat, Aug 15 - Sun, Aug 16

7:05 am - 9:04 am

BOS

ORD

2h 59mnonstop

9:40 pm - 1:11 am

ORD

BOS

2h 31mnonstop

$165United Airlines

Fri, Aug 14 - Sun, Aug 16

8:45 pm - 10:39 pm

BOS

ORD

2h 54mnonstop

7:30 pm - 11:00 pm

ORD

BOS

2h 30mnonstop

$166Delta

Tue, Jul 28 - Wed, Aug 5

7:30 am - 9:26 am

BOS

ORD

2h 56mnonstop

7:30 pm - 11:00 pm

ORD

BOS

2h 30mnonstop

$169Delta

Thu, Aug 13 - Mon, Aug 17

5:01 am - 8:48 am

BOS

ORD

4h 47m

1 stop

8:24 pm - 11:58 pm

ORD

BOS

2h 34mnonstop

$171JetBlue

Tue, Sep 8 - Sat, Sep 12

6:00 am - 10:14 am

BGR

STL

5h 14m

1 stop

6:00 am - 11:56 am

STL

BGR

4h 56m

1 stop

$239American Airlines

Tue, Aug 25 - Tue, Sep 8

6:30 am - 8:47 am

BGR

ORD

3h 17mnonstop

8:45 pm - 12:36 am

ORD

BGR

2h 51mnonstop

$261American Airlines

Wed, Sep 23 - Wed, Sep 30

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United Airlines flights from Maine to Illinois

Our best United Airlines deals on Maine to Illinois flight tickets

United Airlines

Aug 15

BOS7:05 amBoston Logan Intl

2h 59m

ORD9:04 amChicago O'Hare Intl

Aug 16

ORD9:40 pmChicago O'Hare Intl

2h 31m

BOS1:11 amBoston Logan Intl

$164

United Airlines

Aug 14

BOS7:05 amBoston Logan Intl

2h 59m

ORD9:04 amChicago O'Hare Intl

Aug 16

ORD9:40 pmChicago O'Hare Intl

2h 31m

BOS1:11 amBoston Logan Intl

$165

United Airlines

Aug 5

BOS5:45 amBoston Logan Intl

4h 51m

1 stop

ORD9:36 amChicago O'Hare Intl

Aug 10

ORD3:55 pmChicago O'Hare Intl

2h 35m

BOS7:30 pmBoston Logan Intl

$168

JetBlue flights from Maine to Illinois

Our best JetBlue deals on Maine to Illinois flight tickets

JetBlue

Aug 28

BOS8:15 amBoston Logan Intl

2h 56m

ORD10:11 amChicago O'Hare Intl

Aug 30

ORD8:20 pmChicago O'Hare Intl

2h 31m

BOS11:51 pmBoston Logan Intl

$163

JetBlue

Jul 22

BOS5:10 pmBoston Logan Intl

3h 05m

ORD7:15 pmChicago O'Hare Intl

Aug 5

ORD8:25 pmChicago O'Hare Intl

2h 31m

BOS11:56 pmBoston Logan Intl

$166

JetBlue

Jul 22

BOS5:10 pmBoston Logan Intl

3h 05m

ORD7:15 pmChicago O'Hare Intl

Jul 28

ORD8:10 pmChicago O'Hare Intl

2h 31m

BOS11:41 pmBoston Logan Intl

$168

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonChicago

BOS - MDW

BOSMDW

Boston Logan Intl

Thu 10/1

6:45 pm-11:05 pm

1 stop5h 20m

Chicago Midway

Mon 10/5

2:50 pm-9:20 pm

2 stops5h 30m

$162

BostonChicago

BOS - MDW

BOSMDW

Boston Logan Intl

Thu 8/13

6:40 pm-8:20 pm

Nonstop2h 40m

Chicago Midway

Mon 8/17

5:55 am-1:35 pm

1 stop6h 40m

$163

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Fri 8/28

8:15 am-10:11 am

Nonstop2h 56m

Chicago O'Hare Intl

Sun 8/30

8:20 pm-11:51 pm

Nonstop2h 31m

$163

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 8/15

7:05 am-9:04 am

Nonstop2h 59m

Chicago O'Hare Intl

Sun 8/16

9:40 pm-1:11 am

Nonstop2h 31m

$164

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Fri 8/14

7:05 am-9:04 am

Nonstop2h 59m

Chicago O'Hare Intl

Sun 8/16

9:40 pm-1:11 am

Nonstop2h 31m

$165

Quickest round-trip

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Tue 7/28

8:45 pm-10:39 pm

Nonstop2h 54m

Chicago O'Hare Intl

Wed 8/5

7:30 pm-11:00 pm

Nonstop2h 30m

$166

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 8/13

7:30 am-9:26 am

Nonstop2h 56m

Chicago O'Hare Intl

Mon 8/17

7:30 pm-11:00 pm

Nonstop2h 30m

$169

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Tue 9/8

5:01 am-8:48 am

1 stop4h 47m

Chicago O'Hare Intl

Sat 9/12

8:24 pm-11:58 pm

Nonstop2h 34m

$171

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Tue 8/25

6:00 am-10:14 am

1 stop5h 14m

Lambert-St Louis

Tue 9/8

6:00 am-11:56 am

1 stop4h 56m

$239

BangorChicago

BGR - ORD

BGRORD

Bangor

Wed 9/23

6:30 am-8:47 am

Nonstop3h 17m

Chicago O'Hare Intl

Wed 9/30

8:45 pm-12:36 am

Nonstop2h 51m

$261

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Maine 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 month to fly to Illinois?

The cheapest month to fly to Illinois from Maine is in July. Flight prices, which tend to average around $100, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of July, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $130.

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

The cheapest day to depart from Maine to Illinois is on a Wednesday when prices can be found for as low as $438. Flights from Maine to Illinois on a Sunday will generally be more expensive and average around $619. 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 at noon. Flights from Maine to Illinois during this time can be as low as $393. Flights in the morning are often more expensive with an average ticket price of $494.

What is the cheapest Maine to Illinois flight route?

Fly from Bangor to Chicago O'Hare Intl for the best Maine - Illinois flight prices

How far in advance should I book a flight from Maine to Illinois?

You are more likely to see cheaper flights to Illinois from Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $362 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Maine for as low as $295 on momondo.

What cabin class options are available on Maine to Illinois flights?

There are 4 cabin classes available to choose from on Maine to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Maine to Illinois flights?

No. A direct flight is the cheapest option for a flight between Maine to Illinois.

Cheap Maine to Illinois flight deals and tips

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

Best Price Found	$232
Fastest flight time	2h 30m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Maine in the past 72 hours is $232. The best round-trip flight deal from Maine to Illinois found on momondo in the last 72 hours is $389.

The fastest flight from Maine to Illinois takes 2h 30m

Direct flights go from Maine to Illinois every day.

There are 98 airports in Illinois. From Maine there are direct flights to Chicago Midway (MDW).

Search flight deals

Frequently asked questions about flying from Maine to Illinois

When did momondo last update prices for flights from Maine to Illinois?
Prices for flights from Maine to Illinois are updated daily.
How many operators does momondo search for flights from Maine to Illinois?
There are 6 operators available for flights from Maine to Illinois as of July 2026.
How old do you have to be to fly from Maine 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 Maine 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 Maine to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Maine to Illinois is Embraer 175 (25.62% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (20.48%), Embraer 175 (Enhanced Winglets) (16.40%), and Boeing 737-800 (6.83%).

Best airlines flying from Maine to Illinois

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $209	Free Cancellation	Rating 7.1 11,811 reviews	Search American Airlines flights
United Airlines	PriceFrom $229	Free Cancellation	Rating 7.4 9,983 reviews	Search United Airlines flights
Delta	PriceFrom $234	Free Cancellation	Rating 7.8 8,462 reviews	Search Delta flights
Southwest	PriceFrom $267	Free Cancellation	Rating 8.0 4,249 reviews	Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Maine to Illinois for you.

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

momondo does allow users to show only those flights to Illinois from Maine which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Maine to Illinois?

Once you have performed a search for Maine 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 Maine to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Maine to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Illinois trip

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Popular cities in Illinois

Flights to New Yorkfrom $67

Flights to Los Angelesfrom $56

Flights to Orlandofrom $58

Flights to Miamifrom $56

Flights to Chicagofrom $70

Flights to San Franciscofrom $52

Flights to Las Vegasfrom $56

Flights to Washington, D.C.from $56

Flights to Bostonfrom $52

Flights to Atlantafrom $56

Flights to Fort Lauderdalefrom $56

Flights to Dallasfrom $80

Cheap flights from Maine to Illinois from $96

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to Illinois departing on 7/28. 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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United Airlines flights from Maine to Illinois

Our best United Airlines deals on Maine to Illinois flight tickets

JetBlue flights from Maine to Illinois

Our best JetBlue deals on Maine to Illinois flight tickets

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See travel insights to Illinois from

How to get the cheapest flight ticket from Maine to Illinois

What is the cheapest month to fly to Illinois?

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?

What is the cheapest Maine to Illinois flight route?

How far in advance should I book a flight from Maine to Illinois?

What cabin class options are available on Maine to Illinois flights?

Can stopping save me money on Maine to Illinois flights?

What is the cheapest airline that flies from Maine to Illinois?

What airlines fly to Illinois?

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

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

How long is the flight from Maine to Illinois?

Cheap Maine to Illinois flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying from Maine to Illinois

Best airlines flying from Maine to Illinois

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

Why use momondo?

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

Maine flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

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