How long does it take to fly to Chicago O'Hare Intl Airport?

On average, it takes 2h 55m to fly from Maine to Chicago O'Hare Intl Airport if you fly out of Portland (the most popular airport in Maine) and into Chicago O'Hare Intl Airport (the most popular airport in Chicago O'Hare Intl Airport). If you’re flying out of Bangor and into Chicago O'Hare Intl Airport, then the flight time is around 3h.

How many flights depart from Maine to Chicago O'Hare Intl Airport on average per week?

The number of flights available between Maine and Chicago O'Hare Intl Airport is 304 per week as of March 2026. The most frequent departure day is Mon, with 21% of weekly flights leaving on this day.

What airlines fly to Chicago O'Hare Intl Airport?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport. Keep in mind that there are 3 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Maine to Chicago O'Hare Intl?

United Airlines, JetBlue, and Delta are the most popular carriers operating from Maine to Chicago O'Hare Intl

How many flights depart from Maine to Chicago O'Hare Intl Airport on average per day?

As of March 2026, there are 43 flights per day flying from Maine to Chicago O'Hare Intl Airport. The most common time of day flights depart is 4:00PM, with 49% of flights taking off in the afternoon.

When did momondo last update prices for flights from Maine to Chicago O'Hare Intl Airport?

Prices for flights from Maine to Chicago O'Hare Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Maine to Chicago O'Hare Intl Airport?

As of March 2026, there are 6 operators available to choose from for flights from Maine to Chicago O'Hare Intl Airport.

How old do you have to be to fly from Maine to Chicago O'Hare Intl 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 Maine to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$68 Cheap Flights from Maine to Chicago O'Hare Intl Airport in 2026

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Find the cheapest flights from Maine to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:59 pm - 6:13 pm

BOS

ORD

3h 14mnonstop

8:56 pm - 12:25 am

ORD

BOS

2h 29mnonstop

$135American Airlines

Wed, May 13 - Tue, May 19

6:00 am - 5:00 pm

BOS

ORD

12h 00m

1 stop

4:28 pm - 1:31 am

ORD

BOS

8h 03m

1 stop

$140Frontier

Tue, Apr 14 - Mon, Apr 20

7:30 am - 9:30 am

BOS

ORD

3h 00mnonstop

1:55 pm - 5:22 pm

ORD

BOS

2h 27mnonstop

$145United Airlines

Sat, May 2 - Tue, May 5

6:48 pm - 9:00 pm

BOS

ORD

3h 12mnonstop

3:15 pm - 6:49 pm

ORD

BOS

2h 34mnonstop

$146American Airlines

Wed, May 6 - Thu, May 7

2:05 pm - 7:20 pm

BOS

ORD

6h 15m

1 stop

7:00 am - 10:35 am

ORD

BOS

2h 35mnonstop

$147Delta

Wed, May 13 - Tue, May 19

8:00 am - 9:56 am

BOS

ORD

2h 56mnonstop

8:20 pm - 11:51 pm

ORD

BOS

2h 31mnonstop

$152JetBlue

Tue, Jun 16 - Tue, Jun 23

7:35 pm - 9:36 pm

BOS

ORD

3h 01mnonstop

6:00 am - 9:15 am

ORD

BOS

2h 15mnonstop

$154JetBlue

Mon, May 4 - Mon, May 11

5:20 pm - 7:25 pm

BOS

ORD

3h 05mnonstop

8:20 pm - 11:51 pm

ORD

BOS

2h 31mnonstop

$155JetBlue

Wed, Jul 15 - Thu, Jul 16

6:00 am - 7:59 am

BOS

ORD

2h 59mnonstop

9:15 am - 12:46 pm

ORD

BOS

2h 31mnonstop

$156United Airlines

Sun, Apr 12 - Tue, Apr 14

12:55 pm - 4:29 pm

PWM

ORD

4h 34m

1 stop

2:00 pm - 12:43 am

ORD

PWM

9h 43m

2 stops

$218Delta

Sat, May 16 - Tue, May 19

American Airlines flights from Maine to Chicago O'Hare Intl Airport

Our best American Airlines deals on Maine to Chicago O'Hare Intl Airport flight tickets

American Airlines

May 13

BOS3:59 pmBoston Logan Intl

3h 14m

ORD6:13 pmChicago O'Hare Intl

May 19

ORD8:56 pmChicago O'Hare Intl

2h 29m

BOS12:25 amBoston Logan Intl

$135

American Airlines

May 6

BOS6:30 amBoston Logan Intl

3h 14m

ORD8:44 amChicago O'Hare Intl

May 8

ORD8:56 pmChicago O'Hare Intl

2h 29m

BOS12:25 amBoston Logan Intl

$146

American Airlines

Apr 7

BOS8:03 amBoston Logan Intl

3h 09m

ORD10:12 amChicago O'Hare Intl

Apr 14

ORD10:55 amChicago O'Hare Intl

2h 31m

BOS2:26 pmBoston Logan Intl

$156

Frontier flights from Maine to Chicago O'Hare Intl Airport

Our best Frontier deals on Maine to Chicago O'Hare Intl Airport flight tickets

Frontier

Apr 14

BOS6:00 amBoston Logan Intl

12h 00m

1 stop

ORD5:00 pmChicago O'Hare Intl

Apr 20

ORD4:28 pmChicago O'Hare Intl

8h 03m

1 stop

BOS1:31 amBoston Logan Intl

$140

Frontier

Apr 7

BOS12:42 pmBoston Logan Intl

10h 57m

1 stop

ORD10:39 pmChicago O'Hare Intl

Apr 13

ORD4:34 pmChicago O'Hare Intl

7h 52m

1 stop

BOS1:26 amBoston Logan Intl

$160

Frontier

May 3

BOS12:31 pmBoston Logan Intl

11h 08m

1 stop

ORD10:39 pmChicago O'Hare Intl

May 5

ORD1:59 pmChicago O'Hare Intl

10h 25m

1 stop

BOS1:24 amBoston Logan Intl

$161

momondo Fare Finder

Use the filters below to find and compare flights from Maine to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Wed 5/13

3:59 pm-6:13 pm

Nonstop3h 14m

Chicago O'Hare Intl

Tue 5/19

8:56 pm-12:25 am

Nonstop2h 29m

$135

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Tue 4/14

6:00 am-5:00 pm

1 stop12h 00m

Chicago O'Hare Intl

Mon 4/20

4:28 pm-1:31 am

1 stop8h 03m

$140

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 5/2

7:30 am-9:30 am

Nonstop3h 00m

Chicago O'Hare Intl

Tue 5/5

1:55 pm-5:22 pm

Nonstop2h 27m

$145

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Wed 5/6

6:48 pm-9:00 pm

Nonstop3h 12m

Chicago O'Hare Intl

Thu 5/7

3:15 pm-6:49 pm

Nonstop2h 34m

$146

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Wed 5/13

2:05 pm-7:20 pm

1 stop6h 15m

Chicago O'Hare Intl

Tue 5/19

7:00 am-10:35 am

Nonstop2h 35m

$147

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Tue 6/16

8:00 am-9:56 am

Nonstop2h 56m

Chicago O'Hare Intl

Tue 6/23

8:20 pm-11:51 pm

Nonstop2h 31m

$152

Quickest round-trip

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Mon 5/4

7:35 pm-9:36 pm

Nonstop3h 01m

Chicago O'Hare Intl

Mon 5/11

6:00 am-9:15 am

Nonstop2h 15m

$154

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Wed 7/15

5:20 pm-7:25 pm

Nonstop3h 05m

Chicago O'Hare Intl

Thu 7/16

8:20 pm-11:51 pm

Nonstop2h 31m

$155

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sun 4/12

6:00 am-7:59 am

Nonstop2h 59m

Chicago O'Hare Intl

Tue 4/14

9:15 am-12:46 pm

Nonstop2h 31m

$156

PortlandChicago

PWM - ORD

PWMORD

Portland

Sat 5/16

12:55 pm-4:29 pm

1 stop4h 34m

Chicago O'Hare Intl

Tue 5/19

2:00 pm-12:43 am

2 stops9h 43m

$218

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 Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Maine averaging around $291.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $428. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Maine because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $568.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Maine in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $414 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $470. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Maine to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $340 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Maine for as low as $233 on momondo.

What cabin class options are available on Maine to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Maine to Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport flights?

You could potentially save up to 5% on your flight if you consider stops on a Maine to Chicago O'Hare Intl Airport flight.

Cheap Maine to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to Chicago O'Hare Intl Airport

Best Price Found	$190
Fastest flight time	2h 52m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Maine in the past 72 hours is $190. The best round-trip flight deal from Maine to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $350.

The fastest flight from Maine to Chicago O'Hare Intl Airport takes 2h 52m

Direct flights go from Maine to Chicago O'Hare Intl Airport every day.

Search flight deals

When did momondo last update prices for flights from Maine to Chicago O'Hare Intl Airport?
Prices for flights from Maine to Chicago O'Hare Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Maine to Chicago O'Hare Intl Airport?
As of March 2026, there are 6 operators available to choose from for flights from Maine to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Maine to Chicago O'Hare Intl 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 Maine to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Maine to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between Maine and Chicago O'Hare Intl Airport, the leading plane model is Embraer 175 (Enhanced Winglets), making up 31.96% of the total bookings. Other popular models include Embraer 175 with 31.63%, Boeing 737 MAX 8 with 12.69%, and Boeing 737-800 with 6.43%.

Best airlines flying from Maine to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Maine to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $114	Free Cancellation	Rating 7.9 8,320 reviews	Search Delta flights
American Airlines	PriceFrom $209	Free Cancellation	Rating 7.1 11,492 reviews	Search American Airlines flights
United Airlines	PriceFrom $224	Free Cancellation	Rating 7.4 9,469 reviews	Search United Airlines flights

Lake Geneva

Schaumburg

South Haven

Rockford

Merrillville

Gurnee

Rosemont

Naperville

New Buffalo

Orland Park

Kenosha

Oak Brook

Joliet

Janesville

Racine

Hammond

Aurora

Elgin

Tinley Park

South Holland

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Chicago 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 Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Maine.

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

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

An easier way to manage your Chicago O'Hare Intl Airport trip

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Cheap flights from Maine to Chicago from $68

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 Chicago departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Maine to Chicago O'Hare Intl Airport

Our best American Airlines deals on Maine to Chicago O'Hare Intl Airport flight tickets

Frontier flights from Maine to Chicago O'Hare Intl Airport

Our best Frontier deals on Maine to Chicago O'Hare Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Maine to Chicago O'Hare Intl Airport that are best for you.

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How to get the cheapest flight ticket from Maine to Chicago O'Hare Intl Airport

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest Maine to Chicago O'Hare Intl flight route?

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

What cabin class options are available on Maine to Chicago O'Hare Intl flights?

Can stopping save me money on Maine to Chicago O'Hare Intl Airport flights?

What is the cheapest airline that flies from Maine to Chicago O'Hare Intl?

What airlines fly to Chicago O'Hare Intl Airport?

How many flights depart from Maine to Chicago O'Hare Intl Airport on average per day?

How many flights depart from Maine to Chicago O'Hare Intl Airport on average per week?

How long does it take to fly to Chicago O'Hare Intl Airport?

Cheap Maine to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to Chicago O'Hare Intl Airport

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Best airlines flying from Maine to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Maine to Chicago O'Hare Intl Airport with momondo

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List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

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