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

The number of flights available between Maine and Illinois is 257 per week as of March 2026. The most frequent departure day is Fri, with 30% of weekly flights leaving on this day.

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

The number of flights available between Maine and Illinois is 36 per day as of March 2026. The most frequent departure time is 4:00PM, with 49% of daily flights leaving in the afternoon.

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 55% 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, Delta, and Frontier are the most popular carriers operating from Maine to Illinois

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 55m 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 7 operators available for flights from Maine to Illinois as of March 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.

$67 Cheap Flights from Maine to Illinois in 2026

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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.

7:20 am - 9:05 am

BOS

MDW

2h 45mnonstop

12:45 pm - 4:05 pm

MDW

BOS

2h 20mnonstop

$135Southwest

Tue, Apr 14 - Tue, Apr 21

7:30 am - 9:30 am

BOS

ORD

3h 00mnonstop

1:55 pm - 5:22 pm

ORD

BOS

2h 27mnonstop

$135United Airlines

Wed, May 13 - Wed, May 13

3:16 pm - 5:30 pm

BOS

ORD

3h 14mnonstop

6:00 am - 9:27 am

ORD

BOS

2h 27mnonstop

$136American Airlines

Wed, Apr 15 - Wed, Apr 22

10:45 am - 12:25 pm

BOS

MDW

2h 40mnonstop

6:00 pm - 9:20 pm

MDW

BOS

2h 20mnonstop

$136Southwest

Tue, Apr 14 - Wed, Apr 15

7:02 am - 8:59 am

BOS

ORD

2h 57mnonstop

6:00 am - 9:15 am

ORD

BOS

2h 15mnonstop

$137JetBlue

Thu, Apr 30 - Mon, May 4

7:02 am - 8:59 am

BOS

ORD

2h 57mnonstop

6:00 am - 9:15 am

ORD

BOS

2h 15mnonstop

$141JetBlue

Thu, Apr 30 - Mon, May 4

4:20 pm - 6:23 pm

BOS

ORD

3h 03mnonstop

3:30 pm - 6:58 pm

ORD

BOS

2h 28mnonstop

$145Delta

Sat, Apr 25 - Tue, Apr 28

9:05 am - 1:01 pm

BOS

ORD

4h 56m

1 stop

7:00 am - 10:35 am

ORD

BOS

2h 35mnonstop

$146Delta

Wed, May 13 - Tue, May 19

6:40 am - 9:00 am

BGR

ORD

3h 20mnonstop

1:24 pm - 5:05 pm

ORD

BGR

2h 41mnonstop

$261American Airlines

Wed, Apr 22 - Wed, Apr 29

6:00 am - 9:58 am

BOS

MLI

4h 58m

1 stop

8:00 am - 2:48 pm

MLI

BOS

5h 48m

1 stop

$291United Airlines

Sat, Apr 25 - Tue, Apr 28

United Airlines flights from Maine to Illinois

Our best United Airlines deals on Maine to Illinois flight tickets

United Airlines

May 13

BOS7:30 amBoston Logan Intl

3h 00m

ORD9:30 amChicago O'Hare Intl

May 13

ORD1:55 pmChicago O'Hare Intl

2h 27m

BOS5:22 pmBoston Logan Intl

$135

United Airlines

May 1

BOS6:39 pmBoston Logan Intl

3h 01m

ORD8:40 pmChicago O'Hare Intl

May 3

ORD9:30 pmChicago O'Hare Intl

2h 29m

BOS12:59 amBoston Logan Intl

$157

United Airlines

Apr 8

BOS6:00 amBoston Logan Intl

5h 43m

1 stop

ORD10:43 amChicago O'Hare Intl

Apr 15

ORD9:15 amChicago O'Hare Intl

2h 31m

BOS12:46 pmBoston Logan Intl

$166

JetBlue flights from Maine to Illinois

Our best JetBlue deals on Maine to Illinois flight tickets

JetBlue

Apr 30

BOS7:02 amBoston Logan Intl

2h 57m

ORD8:59 amChicago O'Hare Intl

May 4

ORD6:00 amChicago O'Hare Intl

2h 15m

BOS9:15 amBoston Logan Intl

$137

JetBlue

Apr 30

BOS7:02 amBoston Logan Intl

2h 57m

ORD8:59 amChicago O'Hare Intl

May 4

ORD6:00 amChicago O'Hare Intl

2h 15m

BOS9:15 amBoston Logan Intl

$141

JetBlue

May 6

BOS6:47 pmBoston Logan Intl

3h 06m

ORD8:53 pmChicago O'Hare Intl

May 10

ORD6:00 amChicago O'Hare Intl

2h 16m

BOS9:16 amBoston Logan Intl

$144

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonChicago

BOS - MDW

BOSMDW

Boston Logan Intl

Tue 4/14

7:20 am-9:05 am

Nonstop2h 45m

Chicago Midway

Tue 4/21

12:45 pm-4:05 pm

Nonstop2h 20m

$135

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Wed 5/13

7:30 am-9:30 am

Nonstop3h 00m

Chicago O'Hare Intl

Wed 5/13

1:55 pm-5:22 pm

Nonstop2h 27m

$135

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Wed 4/15

3:16 pm-5:30 pm

Nonstop3h 14m

Chicago O'Hare Intl

Wed 4/22

6:00 am-9:27 am

Nonstop2h 27m

$136

Quickest round-trip

BostonChicago

BOS - MDW

BOSMDW

Boston Logan Intl

Tue 4/14

10:45 am-12:25 pm

Nonstop2h 40m

Chicago Midway

Wed 4/15

6:00 pm-9:20 pm

Nonstop2h 20m

$136

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 4/30

7:02 am-8:59 am

Nonstop2h 57m

Chicago O'Hare Intl

Mon 5/4

6:00 am-9:15 am

Nonstop2h 15m

$137

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 4/30

7:02 am-8:59 am

Nonstop2h 57m

Chicago O'Hare Intl

Mon 5/4

6:00 am-9:15 am

Nonstop2h 15m

$141

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 4/25

4:20 pm-6:23 pm

Nonstop3h 03m

Chicago O'Hare Intl

Tue 4/28

3:30 pm-6:58 pm

Nonstop2h 28m

$145

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Wed 5/13

9:05 am-1:01 pm

1 stop4h 56m

Chicago O'Hare Intl

Tue 5/19

7:00 am-10:35 am

Nonstop2h 35m

$146

BangorChicago

BGR - ORD

BGRORD

Bangor

Wed 4/22

6:40 am-9:00 am

Nonstop3h 20m

Chicago O'Hare Intl

Wed 4/29

1:24 pm-5:05 pm

Nonstop2h 41m

$261

BostonMoline

BOS - MLI

BOSMLI

Boston Logan Intl

Sat 4/25

6:00 am-9:58 am

1 stop4h 58m

Moline Quad-City

Tue 4/28

8:00 am-2:48 pm

1 stop5h 48m

$291

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 September. Flight prices, which tend to average around $281, 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 September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $293.

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

The cheapest day to depart from Maine to Illinois is on a Thursday when prices can be found for as low as $424. Flights from Maine to Illinois on a Sunday will generally be more expensive and average around $573. 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 Maine to Illinois during this time can be as low as $414. Flights in the morning are often more expensive with an average ticket price of $470.

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 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 $340 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 $233 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?

You could potentially save up to 5% on your flight if you consider stops on a Maine to Illinois flight.

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	$190
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 $190. The best round-trip flight deal from Maine to Illinois found on momondo in the last 72 hours is $350.

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

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 7 operators available for flights from Maine to Illinois as of March 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 (Enhanced Winglets) (31.11% of total bookings). The next most popular plane models are Embraer 175 (30.79%), Boeing 737 MAX 8 (12.70%), and Boeing 737-800 (6.35%).

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
Delta	PriceFrom $114	Free Cancellation	Rating 7.9 8,341 reviews	Search Delta flights
American Airlines	PriceFrom $209	Free Cancellation	Rating 7.1 11,503 reviews	Search American Airlines flights
United Airlines	PriceFrom $224	Free Cancellation	Rating 7.4 9,491 reviews	Search United Airlines flights
Southwest	PriceFrom $264	Free Cancellation	Rating 8.0 4,331 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.

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Popular cities in Illinois

Flights to New Yorkfrom $66

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Flights to Miamifrom $45

Flights to Chicagofrom $68

Flights to San Franciscofrom $77

Flights to Las Vegasfrom $41

Flights to Washington, D.C.from $59

Flights to Bostonfrom $65

Flights to Atlantafrom $53

Flights to Dallasfrom $62

Flights to Seattlefrom $104

Cheap flights from Maine to Illinois from $67

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 4/28. 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

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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 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

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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