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 56m 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.

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

Frontier, Southwest, and JetBlue 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 41 per day as of January 2026. The most frequent departure time is 4:00PM, with 100% 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 57% 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.

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

The number of flights available between Maine and Illinois is 288 per week as of January 2026. The most frequent departure day is Thu, with 22% of weekly flights leaving on this day.

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 January 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.

$61 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.

5:27 am - 7:11 pm

BOS

ORD

14h 44m

1 stop

10:00 am - 1:20 pm

ORD

BOS

2h 20mnonstop

$132Multiple Airlines

Wed, Feb 25 - Wed, Mar 4

3:35 pm - 5:43 pm

BOS

ORD

3h 08mnonstop

7:40 am - 11:05 am

ORD

BOS

2h 25mnonstop

$133JetBlue

Sun, Feb 8 - Tue, Feb 10

5:00 am - 6:55 am

BOS

MDW

2h 55mnonstop

6:05 am - 9:25 am

MDW

BOS

2h 20mnonstop

$135Southwest

Thu, Feb 26 - Fri, Feb 27

4:25 pm - 6:31 pm

BOS

ORD

3h 06mnonstop

7:35 pm - 11:02 pm

ORD

BOS

2h 27mnonstop

$135Delta

Tue, Apr 7 - Fri, Apr 10

7:15 am - 9:28 am

BOS

ORD

3h 13mnonstop

7:05 am - 10:37 am

ORD

BOS

2h 32mnonstop

$136Delta

Wed, Feb 25 - Sat, Feb 28

7:16 pm - 9:30 pm

BOS

ORD

3h 14mnonstop

8:45 pm - 11:59 pm

ORD

BOS

2h 14mnonstop

$137American Airlines

Fri, Feb 27 - Mon, Mar 2

5:55 am - 2:30 pm

BOS

MDW

9h 35m

1 stop

6:05 am - 9:25 am

MDW

BOS

2h 20mnonstop

$143Southwest

Sat, Feb 28 - Sun, Mar 1

4:45 pm - 6:43 pm

PWM

ORD

2h 58mnonstop

5:56 pm - 9:19 pm

ORD

PWM

2h 23mnonstop

$209United Airlines

Fri, May 1 - Fri, May 8

6:17 am - 8:34 am

PWM

ORD

3h 17mnonstop

8:02 pm - 11:34 pm

ORD

PWM

2h 32mnonstop

$211American Airlines

Sat, Mar 14 - Sat, Mar 21

5:45 am - 7:57 am

PWM

ORD

3h 12mnonstop

3:51 pm - 11:20 pm

ORD

PWM

6h 29m

1 stop

$219United Airlines

Thu, Feb 19 - Mon, Feb 23

Delta flights from Maine to Illinois

Our best Delta deals on Maine to Illinois flight tickets

Delta

Apr 7

BOS4:25 pmBoston Logan Intl

3h 06m

ORD6:31 pmChicago O'Hare Intl

Apr 10

ORD7:35 pmChicago O'Hare Intl

2h 27m

BOS11:02 pmBoston Logan Intl

$135

Delta

Feb 25

BOS7:15 amBoston Logan Intl

3h 13m

ORD9:28 amChicago O'Hare Intl

Feb 28

ORD7:05 amChicago O'Hare Intl

2h 32m

BOS10:37 amBoston Logan Intl

$136

Delta

Feb 11

BOS4:10 pmBoston Logan Intl

3h 09m

ORD6:19 pmChicago O'Hare Intl

Feb 15

ORD7:05 amChicago O'Hare Intl

2h 32m

BOS10:37 amBoston Logan Intl

$137

JetBlue flights from Maine to Illinois

Our best JetBlue deals on Maine to Illinois flight tickets

JetBlue

Feb 8

BOS3:35 pmBoston Logan Intl

3h 08m

ORD5:43 pmChicago O'Hare Intl

Feb 10

ORD7:40 amChicago O'Hare Intl

2h 25m

BOS11:05 amBoston Logan Intl

$133

JetBlue

Feb 11

BOS2:50 pmBoston Logan Intl

3h 05m

ORD4:55 pmChicago O'Hare Intl

Feb 17

ORD10:00 amChicago O'Hare Intl

2h 20m

BOS1:20 pmBoston Logan Intl

$134

JetBlue

Feb 24

BOS5:38 pmBoston Logan Intl

6h 21m

1 stop

ORD10:59 pmChicago O'Hare Intl

Feb 25

ORD10:00 amChicago O'Hare Intl

2h 20m

BOS1:20 pmBoston Logan Intl

$140

Fly from

Fly to

Route

Depart

Return

Price

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Wed 2/25

5:27 am-7:11 pm

1 stop14h 44m

Chicago O'Hare Intl

Wed 3/4

10:00 am-1:20 pm

Nonstop2h 20m

$132

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sun 2/8

3:35 pm-5:43 pm

Nonstop3h 08m

Chicago O'Hare Intl

Tue 2/10

7:40 am-11:05 am

Nonstop2h 25m

$133

BostonChicago

BOS - MDW

BOSMDW

Boston Logan Intl

Thu 2/26

5:00 am-6:55 am

Nonstop2h 55m

Chicago Midway

Fri 2/27

6:05 am-9:25 am

Nonstop2h 20m

$135

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Tue 4/7

4:25 pm-6:31 pm

Nonstop3h 06m

Chicago O'Hare Intl

Fri 4/10

7:35 pm-11:02 pm

Nonstop2h 27m

$135

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Wed 2/25

7:15 am-9:28 am

Nonstop3h 13m

Chicago O'Hare Intl

Sat 2/28

7:05 am-10:37 am

Nonstop2h 32m

$136

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Fri 2/27

7:16 pm-9:30 pm

Nonstop3h 14m

Chicago O'Hare Intl

Mon 3/2

8:45 pm-11:59 pm

Nonstop2h 14m

$137

BostonChicago

BOS - MDW

BOSMDW

Boston Logan Intl

Sat 2/28

5:55 am-2:30 pm

1 stop9h 35m

Chicago Midway

Sun 3/1

6:05 am-9:25 am

Nonstop2h 20m

$143

PortlandChicago

PWM - ORD

PWMORD

Portland

Fri 5/1

4:45 pm-6:43 pm

Nonstop2h 58m

Chicago O'Hare Intl

Fri 5/8

5:56 pm-9:19 pm

Nonstop2h 23m

$209

PortlandChicago

PWM - ORD

PWMORD

Portland

Sat 3/14

6:17 am-8:34 am

Nonstop3h 17m

Chicago O'Hare Intl

Sat 3/21

8:02 pm-11:34 pm

Nonstop2h 32m

$211

PortlandChicago

PWM - ORD

PWMORD

Portland

Thu 2/19

5:45 am-7:57 am

Nonstop3h 12m

Chicago O'Hare Intl

Mon 2/23

3:51 pm-11:20 pm

1 stop6h 29m

$219

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 $279, 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 April is also cheap. Prices for this month can be found on momondo for an average of $305.

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 $421. Flights from Maine to Illinois on a Sunday will generally be more expensive and average around $585. 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 $432. Flights in the morning are often more expensive with an average ticket price of $472.

What is the cheapest Maine to Illinois flight route?

Fly from Portland 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 $358 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?

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	$205
Fastest flight time	2h 35m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Maine in the past 72 hours is $205. The best round-trip flight deal from Maine to Illinois found on momondo in the last 72 hours is $365.

The fastest flight from Maine to Illinois takes 2h 35m

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), Lambert-St Louis (STL).

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 January 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) (34.29% of total bookings). The next most popular plane models are Embraer 175 (13.54%), Boeing 737 MAX 8 (10.37%), and Canadair (Bombardier) Regional Jet 700 (8.65%).

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 8,128 reviews	Search Delta flights
American Airlines	PriceFrom $209	Free Cancellation	Rating 7.2 11,205 reviews	Search American Airlines flights
United Airlines	PriceFrom $228	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights
Southwest	PriceFrom $246	Free Cancellation	Rating 8.0 4,267 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

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.

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Find better results for your trip to Illinois

Popular cities in Illinois

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Cheap flights from Maine to Illinois from $61

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 3/1. 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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Big names and deals

Filter for what you want

Filter for what you want

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Trusted and free

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Find the cheapest flights from Maine to Illinois

Cheap round-trip flights

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Cheap last minute flights

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Delta flights from Maine to Illinois

Our best Delta 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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Use the filters below to find and compare flights from Maine to Illinois that are best for you.

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?

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 $432. Flights in the morning are often more expensive with an average ticket price of $472.

What is the cheapest Maine to Illinois flight route?

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

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

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.

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

Frontier, Southwest, and JetBlue are the most popular carriers operating from Maine to Illinois

What airlines fly to Illinois?

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

The number of flights available between Maine and Illinois is 41 per day as of January 2026. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

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

The number of flights available between Maine and Illinois is 288 per week as of January 2026. The most frequent departure day is Thu, with 22% of weekly flights leaving on this day.

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

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

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

How old do you have to be to fly from Maine to Illinois?

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

What is the most popular plane model 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?

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

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

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

I’m not ready to book a flight from Maine 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