How does KAYAK find such low prices on flights from Maine to Chicago?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maine to Chicago. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maine to Chicago?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Maine is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Maine to Chicago?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Maine with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine to Chicago?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$66 CHEAP FLIGHTS from Maine to Chicago

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago

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Flight Deals

Cheap Flights from Maine to Chicago

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Maine to Chicago that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Maine to Chicago

mar., sep. 16 - mar., sep. 23

12:20 pm - 9:58 pmBOS-ORD

10h 38m1 stop

11:57 am - 11:57 pmORD-BOS

11h 00m1 stop

$125Spirit Airlines

Find Deal

sáb., dic. 13 - mié., dic. 17

6:00 am - 8:05 amBOS-ORD

3h 05mnonstop

11:30 am - 2:46 pmORD-BOS

2h 16mnonstop

$126JetBlue

Find Deal

sáb., sep. 13 - mié., sep. 17

8:38 am - 4:45 pmBOS-ORD

9h 07m1 stop

11:57 am - 11:57 pmORD-BOS

11h 00m1 stop

$129

Find Deal

lun., sep. 15 - mar., sep. 16

8:47 am - 4:51 pmBOS-ORD

9h 04m1 stop

11:57 am - 11:57 pmORD-BOS

11h 00m1 stop

$135

Find Deal

jue., oct. 2 - lun., oct. 6

9:35 pm - 11:15 pmBOS-MDW

2h 40mnonstop

9:20 pm - 12:40 amMDW-BOS

2h 20mnonstop

$137Southwest

Find Deal

mar., sep. 9 - vie., sep. 12

3:15 pm - 5:05 pmBOS-ORD

2h 50mnonstop

9:15 pm - 12:45 amORD-BOS

2h 30mnonstop

$137United Airlines

Find Deal

mar., nov. 4 - sáb., nov. 8

5:35 pm - 9:05 pmBOS-MDW

4h 30m1 stop

5:35 pm - 8:50 pmMDW-BOS

2h 15mnonstop

$143Southwest

Find Deal

jue., oct. 23 - dom., oct. 26

9:50 am - 8:21 pmBOS-MDW

11h 31m1 stop

9:26 pm - 8:55 amMDW-BOS

10h 29m1 stop

$144Frontier

Find Deal

jue., sep. 11 - vie., sep. 12

8:47 am - 4:51 pmBOS-ORD

9h 04m1 stop

6:21 pm - 7:43 amORD-BOS

12h 22m1 stop

$144Frontier

Find Deal

mié., sep. 24 - mié., oct. 1

12:30 pm - 2:20 pmBOS-ORD

2h 50mnonstop

10:40 am - 4:22 pmORD-BOS

4h 42m1 stop

$165United Airlines

Find Deal

Useful Info

Low season	January
High season	August
Cheapest flight	$66

Best time to beat the crowds with an average 11% drop in price.

Most popular time to fly with an average 1% increase in price.

Flight from Boston to Chicago O'Hare Airport

How does KAYAK find such low prices on flights from Maine to Chicago?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maine to Chicago.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maine to Chicago?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Maine is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Maine to Chicago?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Maine with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine to Chicago?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Merrillville

Saint Joseph

Hammond

Portage

Valparaiso

Lansing

Chesterton

Munster

Schererville

Porter

Monticello

Saint John

Griffith

Everything you need to know for your flight to Chicago

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Maine

First Class flights to Chicagofrom $502

Business Class flights to Chicagofrom $800

Prem Econ Class flights to Chicagofrom $711

Economy Class flights to Chicagofrom $212

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$66 Find Cheap Flights from Maine to Chicago

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago

Cheap Flights from Maine to Chicago

Recent round-trip flight deals from Maine to Chicago

Recent one-way flight deals from Maine to Chicago

Recent last minute flight deals from Maine to Chicago

Recent direct flight deals from Maine to Chicago

Good to know

FAQs for booking flights from Maine to Chicago

How does KAYAK find such low prices on flights from Maine to Chicago?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maine to Chicago.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maine to Chicago?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Maine is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Maine to Chicago?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Maine with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine to Chicago?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Chicago?

Everything you need to know for your flight to Chicago

Cabin class types available on flights to Maine

Complete your trip to Chicago with a hotel stay or car rental

Find direct flights for Chicago

Flights to other popular destinations

Flights from domestic origins to Chicago

Choose which airport to fly into in Chicago

Find deals for your return flight