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Cheap flights from Boston to Chicago from $46

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 5/28. 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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0 bags

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Find the cheapest flights from Boston to Chicago

Cheap round-trip flights

Southwest Logo
7:20 am - 9:00 amBOS-MDW
2h 40mnonstop
Southwest Logo
5:05 am - 8:15 amMDW-BOS
2h 10mnonstop
$91Southwest
Find Deal
Tue, Jun 17 - Tue, Jun 24
American Airlines Logo
7:00 am - 9:05 amBOS-ORD
3h 05mnonstop
American Airlines Logo
9:05 am - 12:34 pmORD-BOS
2h 29mnonstop
$91American Airlines
Find Deal
Wed, Jul 16 - Wed, Aug 6
JetBlue Logo
6:00 am - 7:55 amBOS-ORD
2h 55mnonstop
JetBlue Logo
8:40 am - 12:05 pmORD-BOS
2h 25mnonstop
$99JetBlue
Find Deal
Tue, Jul 15 - Tue, Aug 5
Delta Logo
8:20 pm - 10:14 pmBOS-ORD
2h 54mnonstop
Delta Logo
7:00 am - 10:31 amORD-BOS
2h 31mnonstop
$117Delta
Find Deal
Wed, Jun 4 - Mon, Jun 9
Spirit Airlines Logo
3:49 pm - 11:04 pmBOS-ORD
8h 15m1 stop
Spirit Airlines Logo
7:37 am - 9:50 pmORD-BOS
13h 13m1 stop
$118Spirit Airlines
Find Deal
Tue, Jun 3 - Tue, Jun 10
Spirit Airlines Logo
6:10 am - 2:34 pmBOS-ORD
9h 24m1 stop
Spirit Airlines Logo
7:15 am - 3:35 pmORD-BOS
7h 20m1 stop
$128Spirit Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
JetBlue Logo
6:00 am - 8:00 amBOS-ORD
3h 00mnonstop
JetBlue Logo
7:31 pm - 11:00 pmORD-BOS
2h 29mnonstop
$139JetBlue
Find Deal
Mon, May 26 - Thu, May 29
Delta Logo
8:05 pm - 10:03 pmBOS-ORD
2h 58mnonstop
Delta Logo
7:00 am - 10:31 amORD-BOS
2h 31mnonstop
$145Delta
Find Deal
Mon, Jul 14 - Tue, Jul 22
United Airlines Logo
10:40 am - 12:31 pmBOS-ORD
2h 51mnonstop
United Airlines Logo
8:52 am - 2:16 pmORD-BOS
4h 24m1 stop
$146United Airlines
Find Deal
Wed, Jul 16 - Wed, Jul 23
United Airlines Logo
12:15 pm - 2:12 pmBOS-ORD
2h 57mnonstop
United Airlines Logo
9:20 pm - 12:45 amORD-BOS
2h 25mnonstop
$147United Airlines
Find Deal
Sat, May 17 - Mon, May 19

Spirit Airlines flights from Boston to Chicago

Our best Spirit Airlines deals on Boston to Chicago flight tickets
Spirit Airlines
Jun 3
BOS3:49 pmBoston Logan Intl
8h 15m
1 stop
ORD11:04 pmChicago O'Hare Intl
Jun 10
ORD7:37 amChicago O'Hare Intl
13h 13m
1 stop
BOS9:50 pmBoston Logan Intl
Spirit Airlines
Sep 23
BOS6:10 amBoston Logan Intl
9h 24m
1 stop
ORD2:34 pmChicago O'Hare Intl
Sep 30
ORD7:15 amChicago O'Hare Intl
7h 20m
1 stop
BOS3:35 pmBoston Logan Intl
Spirit Airlines
May 29
BOS3:49 pmBoston Logan Intl
9h 16m
1 stop
ORD12:05 amChicago O'Hare Intl
Jun 3
ORD7:47 amChicago O'Hare Intl
13h 03m
1 stop
BOS9:50 pmBoston Logan Intl

Delta flights from Boston to Chicago

Our best Delta deals on Boston to Chicago flight tickets
Delta
Jun 4
BOS8:20 pmBoston Logan Intl
2h 54m
ORD10:14 pmChicago O'Hare Intl
Jun 9
ORD7:00 amChicago O'Hare Intl
2h 31m
BOS10:31 amBoston Logan Intl
Delta
Jul 14
BOS8:05 pmBoston Logan Intl
2h 58m
ORD10:03 pmChicago O'Hare Intl
Jul 22
ORD7:00 amChicago O'Hare Intl
2h 31m
BOS10:31 amBoston Logan Intl
Delta
Sep 25
BOS7:00 amBoston Logan Intl
3h 00m
ORD9:00 amChicago O'Hare Intl
Sep 27
ORD7:00 amChicago O'Hare Intl
2h 30m
BOS10:30 amBoston Logan Intl

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 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 $180. 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 $194.

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 Wednesday when prices can be found for as low as $320. 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 $433.

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 $260. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $360.

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

Fly from Boston Logan Intl to Chicago Midway 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 23 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $247 when searching 23 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 $198 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 May 2025, prices for Boston to Chicago flights are approximately 27% 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

$46

Fastest flight time

2h 30m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from Boston in the past 72 hours is $46. The best round-trip flight deal from Boston to Chicago found on momondo in the last 72 hours is $91.
The fastest flight from Boston to Chicago takes 2h 30m
Direct flights go from Boston to Chicago every day.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

  • Is flying the fastest way to get from Boston to Chicago?

    To save time, the fastest way to travel is by flight from Boston to Chicago on Southwest. Expect the length of time you’ll spend onboard Southwest to be about 2h 30m compared to taking a train from Boston to Chicago or a bus from Boston to Chicago which have been found to be slower alternatives.

  • Is flying the cheapest way to get from Boston to Chicago?

    The cheapest way is to get a flight from Boston to Chicago, which can be as cheap as $91. A train from Boston to Chicago is more expensive than a flight, with prices starting at $274. A bus from Boston to Chicago is also an option, with an average price of $174.

  • 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 30m 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 $39Free CancellationRating
6.3
7,975 reviews
Search Spirit Airlines flights
JetBluePriceFrom $80Free CancellationRating
7.3
2,922 reviews
Search JetBlue flights
DeltaPriceFrom $94Free CancellationRating
8.0
7,944 reviews
Search Delta flights
United AirlinesPriceFrom $97Free CancellationRating
7.4
8,710 reviews
Search United Airlines flights
FrontierPriceFrom $100Free CancellationRating
5.9
3,289 reviews
Search Frontier flights
SouthwestPriceFrom $139Free CancellationRating
8.0
4,292 reviews
Search Southwest flights
American AirlinesPriceFrom $139Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Delta Flights From Boston to Chicago

    The lowest priced Delta flight from Boston to Chicago from the last 72 hours was $94. Generally, Delta has 5 flights on this route every week with an average price of $327. Delta is rated 8.0/10 by our users.

  • Southwest Flights From Boston to Chicago

    Southwest is also a popular choice for this route. Southwest flight deals for Boston to Chicago start from as low as $139 round-trip, depending on your selected dates, with average Southwest deals seen on momondo around $316. Southwest operates 15 flights to Chicago from Boston in an average week. Users have rated it 8.0/10 across 4,293 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
Portage
Lansing
Saint Joseph
Schererville
Valparaiso
Munster
Crown Point
Monticello
Chesterton
Griffith
Porter
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.


Choose the best way to get from Boston to Chicago

Buses

27h 45m
$92 one-way$174 round-trip
Nonstop · from $174

Distance to downtown

F990.8 mi

Find Buses

Boston to Chicago Buses

Trains

22h 15m
$114 one-way$274 round-trip
Nonstop · from $274

Distance to downtown

ZUN0.7 mi

Flights

2h 30m
$46 one-way$91 round-trip
Nonstop · from $911 stop · from $65

Distance to downtown

ORD15.9 mi
MDW8.6 mi

An easier way to manage your Chicago trip

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1 adult
Mon 5/12
Mon 5/19

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