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 51% 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.

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 388 per week as of July 2026. The most frequent departure day is Wed, with 23% of weekly flights leaving on this day.

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

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

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

On average, it takes 2h 57m 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 day?

As of July 2026, there are 55 flights per day flying from Maine to Chicago O'Hare Intl Airport. The most common time of day flights depart is 6:00AM, with 55% of flights taking off at noon.

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 July 2026, there are 5 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.

$85 Cheap Flights from Maine to Chicago O'Hare Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

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.

5:45 am - 9:36 am

BOS

ORD

4h 51m

1 stop

7:45 pm - 11:21 pm

ORD

BOS

2h 36mnonstop

$172United Airlines

Wed, Jul 22 - Sat, Jul 25

5:21 pm - 7:27 pm

BOS

ORD

3h 06mnonstop

9:38 am - 1:06 pm

ORD

BOS

2h 28mnonstop

$173JetBlue

Fri, Aug 21 - Wed, Sep 9

4:55 pm - 9:58 pm

BOS

ORD

6h 03m

1 stop

8:20 pm - 11:51 pm

ORD

BOS

2h 31mnonstop

$175JetBlue

Mon, Aug 17 - Fri, Aug 21

8:15 am - 10:11 am

BOS

ORD

2h 56mnonstop

9:40 am - 5:17 pm

ORD

BOS

6h 37m

1 stop

$176JetBlue

Tue, Aug 11 - Sat, Aug 15

7:30 am - 9:26 am

BOS

ORD

2h 56mnonstop

6:59 am - 10:30 am

ORD

BOS

2h 31mnonstop

$179Delta

Thu, Jul 16 - Sat, Jul 25

10:06 am - 12:50 pm

BGR

ORD

27h 44m

2 stops

4:49 pm - 5:50 pm

ORD

BGR

24h 01m

1 stop

$254Multiple Airlines

Sat, Sep 5 - Thu, Sep 10

10:06 am - 12:50 pm

BGR

ORD

27h 44m

2 stops

4:49 pm - 5:50 pm

ORD

BGR

24h 01m

1 stop

$256Multiple Airlines

Wed, Sep 2 - Thu, Sep 10

5:30 pm - 8:01 pm

BGR

ORD

3h 31mnonstop

8:21 am - 12:05 pm

ORD

BGR

2h 44mnonstop

$261American Airlines

Wed, Sep 2 - Tue, Sep 8

12:45 pm - 3:00 pm

BGR

ORD

3h 15mnonstop

5:55 pm - 11:59 pm

ORD

BGR

5h 04m

1 stop

$271American Airlines

Wed, Sep 2 - Tue, Sep 8

5:00 pm - 10:24 pm

BGR

ORD

6h 24m

1 stop

6:40 am - 1:19 pm

ORD

BGR

5h 39m

1 stop

$281Delta

Tue, Aug 25 - Sat, Sep 5

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Delta flights from Maine to Chicago O'Hare Intl Airport

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

Delta

Jul 16

BOS7:30 amBoston Logan Intl

2h 56m

ORD9:26 amChicago O'Hare Intl

Jul 25

ORD6:59 amChicago O'Hare Intl

2h 31m

BOS10:30 amBoston Logan Intl

$179

Delta

Jul 15

BOS8:45 pmBoston Logan Intl

2h 54m

ORD10:39 pmChicago O'Hare Intl

Jul 29

ORD7:25 pmChicago O'Hare Intl

2h 35m

BOS11:00 pmBoston Logan Intl

$180

Delta

Aug 15

BOS6:50 pmBoston Logan Intl

3h 04m

ORD8:54 pmChicago O'Hare Intl

Aug 19

ORD10:30 amChicago O'Hare Intl

2h 29m

BOS1:59 pmBoston Logan Intl

$183

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

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

United Airlines

Jul 22

BOS5:45 amBoston Logan Intl

4h 51m

1 stop

ORD9:36 amChicago O'Hare Intl

Jul 25

ORD7:45 pmChicago O'Hare Intl

2h 36m

BOS11:21 pmBoston Logan Intl

$172

United Airlines

Jul 15

BOS8:15 amBoston Logan Intl

2h 57m

ORD10:12 amChicago O'Hare Intl

Jul 20

ORD9:41 pmChicago O'Hare Intl

2h 33m

BOS1:14 amBoston Logan Intl

$178

United Airlines

Jul 14

BOS12:30 pmBoston Logan Intl

2h 53m

ORD2:23 pmChicago O'Hare Intl

Jul 26

ORD9:41 pmChicago O'Hare Intl

2h 33m

BOS1:14 amBoston Logan Intl

$183

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 7/22

5:45 am-9:36 am

1 stop4h 51m

Chicago O'Hare Intl

Sat 7/25

7:45 pm-11:21 pm

Nonstop2h 36m

$172

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Fri 8/21

5:21 pm-7:27 pm

Nonstop3h 06m

Chicago O'Hare Intl

Wed 9/9

9:38 am-1:06 pm

Nonstop2h 28m

$173

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Mon 8/17

4:55 pm-9:58 pm

1 stop6h 03m

Chicago O'Hare Intl

Fri 8/21

8:20 pm-11:51 pm

Nonstop2h 31m

$175

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Tue 8/11

8:15 am-10:11 am

Nonstop2h 56m

Chicago O'Hare Intl

Sat 8/15

9:40 am-5:17 pm

1 stop6h 37m

$176

Quickest round-trip

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 7/16

7:30 am-9:26 am

Nonstop2h 56m

Chicago O'Hare Intl

Sat 7/25

6:59 am-10:30 am

Nonstop2h 31m

$179

BangorChicago

BGR - ORD

BGRORD

Bangor

Sat 9/5

10:06 am-12:50 pm

2 stops27h 44m

Chicago O'Hare Intl

Thu 9/10

4:49 pm-5:50 pm

1 stop24h 01m

$254

BangorChicago

BGR - ORD

BGRORD

Bangor

Wed 9/2

10:06 am-12:50 pm

2 stops27h 44m

Chicago O'Hare Intl

Thu 9/10

4:49 pm-5:50 pm

1 stop24h 01m

$256

BangorChicago

BGR - ORD

BGRORD

Bangor

Wed 9/2

5:30 pm-8:01 pm

Nonstop3h 31m

Chicago O'Hare Intl

Tue 9/8

8:21 am-12:05 pm

Nonstop2h 44m

$261

BangorChicago

BGR - ORD

BGRORD

Bangor

Wed 9/2

12:45 pm-3:00 pm

Nonstop3h 15m

Chicago O'Hare Intl

Tue 9/8

5:55 pm-11:59 pm

1 stop5h 04m

$271

BangorChicago

BGR - ORD

BGRORD

Bangor

Tue 8/25

5:00 pm-10:24 pm

1 stop6h 24m

Chicago O'Hare Intl

Sat 9/5

6:40 am-1:19 pm

1 stop5h 39m

$281

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 October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Maine averaging around $167.

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 Wednesday when prices can be found for as low as $434. 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 $612.

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 evening is the least expensive time of day to depart. momondo users have found prices as low as $411 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $492. 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 from Maine 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 $359 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 $295 on momondo.

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

There are 4 cabin classes available to choose from on Maine to Chicago O'Hare Intl Airport 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 20% 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	$231
Fastest flight time	2h 48m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Maine in the past 72 hours is $231. The best round-trip flight deal from Maine to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $377.

The fastest flight from Maine to Chicago O'Hare Intl Airport takes 2h 48m

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

Search flight deals

Frequently asked questions about flying from Maine to Chicago O'Hare Intl Airport

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 July 2026, there are 5 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, making up 25.50% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 20.08%, Boeing 737 MAX 8 with 18.55%, and Boeing 737-800 with 7.71%.

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
American Airlines	PriceFrom $209	Free Cancellation	Rating 7.1 11,766 reviews	Search American Airlines flights
United Airlines	PriceFrom $229	Free Cancellation	Rating 7.4 9,909 reviews	Search United Airlines flights
Delta	PriceFrom $234	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights

Lake Geneva

Schaumburg

South Haven

Rockford

Merrillville

Gurnee

Rosemont

Naperville

Orland Park

Oak Brook

New Buffalo

Joliet

Kenosha

Hammond

Aurora

Racine

Janesville

Elgin

Evanston

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.

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Cheap flights from Maine to Chicago from $85

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 8/22. 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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Delta flights from Maine to Chicago O'Hare Intl Airport

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

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

Our best United Airlines 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 from Maine to Chicago O'Hare Intl Airport?

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Maine to Chicago O'Hare Intl Airport

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

Traveling to a place near Chicago?

Why use 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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