Cheap flights from Boston to Chicago from $64

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Chicago departing on 11/18. 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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JetBlue Logo
7:09 am - 9:22 amBOS-ORD
3h 13mnonstop
JetBlue Logo
10:08 am - 1:37 pmORD-BOS
2h 29mnonstop
$122JetBlue
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Thu, Oct 23 - Sat, Oct 25
JetBlue Logo
7:09 am - 9:22 amBOS-ORD
3h 13mnonstop
JetBlue Logo
7:13 pm - 10:46 pmORD-BOS
2h 33mnonstop
$124JetBlue
Find Deal
Wed, Oct 15 - Mon, Oct 20
Southwest Logo
5:40 pm - 10:05 pmBOS-MDW
5h 25m1 stop
Southwest Logo
6:05 pm - 9:20 pmMDW-BOS
2h 15mnonstop
$127Southwest
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Tue, Oct 28 - Wed, Oct 29
Delta Logo
11:45 am - 1:40 pmBOS-ORD
2h 55mnonstop
Delta Logo
10:25 am - 1:55 pmORD-BOS
2h 30mnonstop
$127Delta
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Sat, Nov 1 - Sat, Nov 8
American Airlines Logo
6:45 am - 8:52 amBOS-ORD
3h 07mnonstop
American Airlines Logo
1:04 pm - 4:32 pmORD-BOS
2h 28mnonstop
$128American Airlines
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Thu, Nov 20 - Thu, Nov 27
Southwest Logo
11:55 am - 7:10 pmBOS-MDW
8h 15m2 stops
Southwest Logo
5:35 pm - 8:50 pmMDW-BOS
2h 15mnonstop
$132Southwest
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Tue, Oct 28 - Sat, Nov 1
United Airlines Logo
9:53 am - 11:43 amBOS-ORD
2h 50mnonstop
United Airlines Logo
6:15 am - 9:30 amORD-BOS
2h 15mnonstop
$133United Airlines
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Tue, Oct 21 - Sun, Oct 26
United Airlines Logo
4:25 pm - 6:20 pmBOS-ORD
2h 55mnonstop
United Airlines Logo
6:30 am - 9:56 amORD-BOS
2h 26mnonstop
$136United Airlines
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Wed, Oct 15 - Sat, Oct 18
Delta Logo
7:20 am - 9:22 amBOS-ORD
3h 02mnonstop
Delta Logo
3:50 pm - 7:23 pmORD-BOS
2h 33mnonstop
$137Delta
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Thu, Oct 23 - Sat, Oct 25
American Airlines Logo
6:57 am - 8:55 amBOS-ORD
2h 58mnonstop
American Airlines Logo
6:05 am - 9:32 amORD-BOS
2h 27mnonstop
$156American Airlines
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Thu, Oct 23 - Sun, Oct 26

JetBlue flights from Boston to Chicago

Our best JetBlue deals on Boston to Chicago flight tickets
JetBlue
Oct 23
BOS7:09 amBoston Logan Intl
3h 13m
ORD9:22 amChicago O'Hare Intl
Oct 25
ORD10:08 amChicago O'Hare Intl
2h 29m
BOS1:37 pmBoston Logan Intl
JetBlue
Oct 15
BOS7:09 amBoston Logan Intl
3h 13m
ORD9:22 amChicago O'Hare Intl
Oct 20
ORD7:13 pmChicago O'Hare Intl
2h 33m
BOS10:46 pmBoston Logan Intl
JetBlue
Nov 1
BOS7:00 amBoston Logan Intl
3h 05m
ORD9:05 amChicago O'Hare Intl
Nov 5
ORD6:55 pmChicago O'Hare Intl
2h 32m
BOS10:27 pmBoston Logan Intl

Delta flights from Boston to Chicago

Our best Delta deals on Boston to Chicago flight tickets
Delta
Nov 1
BOS11:45 amBoston Logan Intl
2h 55m
ORD1:40 pmChicago O'Hare Intl
Nov 8
ORD10:25 amChicago O'Hare Intl
2h 30m
BOS1:55 pmBoston Logan Intl
Delta
Oct 23
BOS7:20 amBoston Logan Intl
3h 02m
ORD9:22 amChicago O'Hare Intl
Oct 25
ORD3:50 pmChicago O'Hare Intl
2h 33m
BOS7:23 pmBoston Logan Intl
Delta
Oct 23
BOS7:20 amBoston Logan Intl
3h 02m
ORD9:22 amChicago O'Hare Intl
Oct 26
ORD7:05 amChicago O'Hare Intl
2h 24m
BOS10:29 amBoston Logan Intl

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 7, 2025.
Use the filters below to find and compare flights from Boston to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 10/23

7:09 am-9:22 am

Nonstop3h 13m

Chicago O'Hare Intl

Sat 10/25

10:08 am-1:37 pm

Nonstop2h 29m

$122

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Wed 10/15

7:09 am-9:22 am

Nonstop3h 13m

Chicago O'Hare Intl

Mon 10/20

7:13 pm-10:46 pm

Nonstop2h 33m

$124

BostonChicago

BOS - MDW

BOSMDW

Boston Logan Intl

Tue 10/28

5:40 pm-10:05 pm

1 stop5h 25m

Chicago Midway

Wed 10/29

6:05 pm-9:20 pm

Nonstop2h 15m

$127

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 11/1

11:45 am-1:40 pm

Nonstop2h 55m

Chicago O'Hare Intl

Sat 11/8

10:25 am-1:55 pm

Nonstop2h 30m

$127

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 11/20

6:45 am-8:52 am

Nonstop3h 07m

Chicago O'Hare Intl

Thu 11/27

1:04 pm-4:32 pm

Nonstop2h 28m

$128

BostonChicago

BOS - MDW

BOSMDW

Boston Logan Intl

Tue 10/28

11:55 am-7:10 pm

2 stops8h 15m

Chicago Midway

Sat 11/1

5:35 pm-8:50 pm

Nonstop2h 15m

$132

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Tue 10/21

9:53 am-11:43 am

Nonstop2h 50m

Chicago O'Hare Intl

Sun 10/26

6:15 am-9:30 am

Nonstop2h 15m

$133

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Wed 10/15

4:25 pm-6:20 pm

Nonstop2h 55m

Chicago O'Hare Intl

Sat 10/18

6:30 am-9:56 am

Nonstop2h 26m

$136

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 10/23

7:20 am-9:22 am

Nonstop3h 02m

Chicago O'Hare Intl

Sat 10/25

3:50 pm-7:23 pm

Nonstop2h 33m

$137

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Thu 10/23

6:57 am-8:55 am

Nonstop2h 58m

Chicago O'Hare Intl

Sun 10/26

6:05 am-9:32 am

Nonstop2h 27m

$156

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Boston to Chicago

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

What is the typical price of a round-trip flight between Boston and Chicago?

What is the cheapest month to fly to Chicago?

The month of September is, on average, the cheapest month to fly to Chicago from Boston, with most prices found around $187. If you’re not able to fly to Chicago in September, then January is your next best option. Flight prices from Boston to Chicago during January average around $197.

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

The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as $321. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Chicago for around $434.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Boston to Chicago during this time can be as low as $273. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $351.

What is the cheapest Boston Logan Intl to Chicago flight route?

Fly from Boston Logan Intl to Chicago O'Hare Intl for the best Boston Logan Intl - Chicago flight prices

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

You are more likely to see cheaper flights to Chicago from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $251 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Boston for as low as $225 on momondo.

What cabin class options are available on Boston Logan Intl to Chicago flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Chicago flight prices changed over time?

As of October 2025, prices for Boston to Chicago flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Chicago (BOS to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Chicago

Best Price Found

$128

Fastest flight time

2h 40m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from Boston in the past 72 hours is $128. The best round-trip flight deal from Boston to Chicago found on momondo in the last 72 hours is $206.
The fastest flight from Boston to Chicago takes 2h 40m
Direct flights go from Boston to Chicago every day.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)
  • How far is Boston Logan Intl to Chicago by plane?

    A flight from Boston Logan Intl to Chicago will travel around 847.9 mi. 2h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Chicago?

    Prices for flights from Boston Logan Intl Airport to Chicago refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Chicago?

  • How old do you have to be to fly from Boston Logan Intl Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago 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 Boston to Chicago?

  • What is the most popular airline from Boston to Chicago?

Best airlines flying from Boston to Chicago

Compare and see reviews for airlines that fly from Boston to Chicago with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $67Free CancellationRating
6.3
8,080 reviews
Search Spirit Airlines flights
JetBluePriceFrom $83Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
United AirlinesPriceFrom $97Free CancellationRating
7.4
8,957 reviews
Search United Airlines flights
FrontierPriceFrom $100Free CancellationRating
5.8
3,144 reviews
Search Frontier flights
DeltaPriceFrom $114Free CancellationRating
7.9
7,969 reviews
Search Delta flights
SouthwestPriceFrom $118Free CancellationRating
8.0
4,234 reviews
Search Southwest flights
American AirlinesPriceFrom $137Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
  • Southwest Flights From Boston to Chicago

    The lowest priced Southwest flight from Boston to Chicago from the last 72 hours was $118. Generally, Southwest has 23 flights on this route every week with an average price of $238. Southwest is rated 8.0/10 by our users.

  • Delta Flights From Boston to Chicago

    Delta is also a popular choice for this route. Delta flight deals for Boston to Chicago start from as low as $114 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $299. Delta operates 9 flights to Chicago from Boston in an average week. Users have rated it 7.9/10 across 7,969 reviews.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

It is quick and easy to find Boston to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

momondo does allow users to show only those flights to Chicago from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Chicago?

momondo provides multiple filters to help you find the best flight to Chicago from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Chicago from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Thu 11/6
Thu 11/13

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago