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Cheap flights from Boston to Illinois from $45

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 Illinois departing on 12/17. 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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Find the cheapest flights from Boston to Illinois

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to Illinois that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to Illinois.

Cheap last minute flights

Planning a quick getaway from Boston to Illinois? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Illinois, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Boston to Illinois

Find recent round-trip train or bus tickets from Boston to Illinois.

All round-trip flight deals to Illinois

The cheapest plane tickets to Illinois found on KAYAK recently.
10:34 am - 9:07 pmBOS-ORD
11h 33m1 stop
9:58 am - 12:38 amORD-BOS
13h 40m1 stop
$101Spirit Airlines
Find Deal
Fri, Dec 6 - Tue, Dec 10
6:00 am - 11:42 amBOS-MDW
6h 42m1 stop
5:24 pm - 12:30 amMDW-BOS
6h 06m1 stop
$105Frontier
Find Deal
Wed, Dec 11 - Tue, Jan 14
7:20 am - 9:29 amBOS-ORD
3h 09mnonstop
6:30 am - 10:00 amORD-BOS
2h 30mnonstop
$157Delta
Find Deal
Thu, Dec 5 - Mon, Dec 9
8:35 am - 3:44 pmBOS-ORD
8h 09m1 stop
9:05 am - 12:23 pmORD-BOS
2h 18mnonstop
$166JetBlue
Find Deal
Fri, Jan 10 - Tue, Jan 14
1:59 pm - 3:53 pmBOS-ORD
2h 54mnonstop
8:51 am - 12:13 pmORD-BOS
2h 22mnonstop
$167JetBlue
Find Deal
Tue, Dec 3 - Fri, Dec 6
7:20 am - 9:29 amBOS-ORD
3h 09mnonstop
7:35 am - 11:03 amORD-BOS
2h 28mnonstop
$173Delta
Find Deal
Thu, Dec 5 - Wed, Dec 25
5:45 am - 9:34 amBOS-ORD
4h 49m1 stop
9:30 pm - 12:54 amORD-BOS
2h 24mnonstop
$183United Airlines
Find Deal
Thu, Dec 5 - Wed, Dec 25
10:45 am - 12:41 pmBOS-ORD
2h 56mnonstop
10:37 am - 2:02 pmORD-BOS
2h 25mnonstop
$189United Airlines
Find Deal
Tue, Dec 3 - Wed, Dec 4
10:25 am - 2:57 pmBOS-ORD
5h 32m1 stop
7:00 am - 10:28 amORD-BOS
2h 28mnonstop
$207American Airlines
Find Deal
Fri, Dec 6 - Sun, Dec 8
5:00 am - 7:04 amBOS-ORD
3h 04mnonstop
7:19 am - 10:50 amORD-BOS
2h 31mnonstop
$223American Airlines
Find Deal
Sun, Dec 29 - Sun, Jan 5
12:00 pm - 8:15 pmBOS-ORD
9h 15m1 stop
$45Spirit Airlines
Find Deal
Tue, Dec 17
6:00 am - 11:42 amBOS-MDW
6h 42m1 stop
$49Frontier
Find Deal
Wed, Dec 11
12:12 pm - 2:10 pmBOS-ORD
2h 58mnonstop
$79United Airlines
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Thu, Jan 23
11:28 am - 3:44 pmBOS-ORD
5h 16m1 stop
$88JetBlue
Find Deal
Thu, Jan 9
10:00 am - 12:00 pmBOS-ORD
3h 00mnonstop
$89JetBlue
Find Deal
Fri, Feb 21
6:02 am - 8:05 amBOS-ORD
3h 03mnonstop
$95United Airlines
Find Deal
Wed, Jan 1
8:20 pm - 10:23 pmBOS-ORD
3h 03mnonstop
$99Delta
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Tue, Feb 18
8:45 am - 1:24 pmBOS-STL
5h 39m1 stop
$108Delta
Find Deal
Wed, Dec 18
12:42 pm - 5:56 pmBOS-ORD
6h 14m1 stop
$128American Airlines
Find Deal
Fri, Feb 14
6:58 am - 11:58 amBOS-ORD
6h 00m1 stop
$133American Airlines
Find Deal
Fri, Nov 29
5:30 am - 7:37 amBOS-ORD
3h 07mnonstop
4:45 pm - 8:04 pmORD-BOS
2h 19mnonstop
$186Spirit Airlines
Find Deal
Sat, Nov 23 - Thu, Nov 28
5:30 am - 7:37 amBOS-ORD
3h 07mnonstop
2:25 pm - 12:44 amORD-BOS
9h 19m1 stop
Sat, Nov 23 - Wed, Nov 27
6:00 am - 6:37 pmBOS-MDW
13h 37m1 stop
12:57 pm - 12:30 amMDW-BOS
10h 33m1 stop
$202Frontier
Find Deal
Tue, Nov 26 - Wed, Dec 4
6:00 am - 5:43 pmBOS-ORD
12h 43m1 stop
6:30 pm - 8:05 amORD-BOS
12h 35m1 stop
$202Frontier
Find Deal
Sun, Nov 24 - Thu, Nov 28
7:20 am - 9:29 amBOS-ORD
3h 09mnonstop
6:40 am - 10:00 amORD-BOS
2h 20mnonstop
$252Delta
Find Deal
Tue, Nov 26 - Wed, Dec 4
7:20 am - 9:29 amBOS-ORD
3h 09mnonstop
6:40 am - 10:04 amORD-BOS
2h 24mnonstop
$268Delta
Find Deal
Tue, Nov 26 - Fri, Nov 29
6:59 pm - 9:06 pmBOS-ORD
3h 07mnonstop
4:40 pm - 8:00 pmORD-BOS
2h 20mnonstop
$312JetBlue
Find Deal
Sun, Nov 24 - Tue, Dec 3
5:15 am - 7:17 amBOS-ORD
3h 02mnonstop
4:00 pm - 7:13 pmORD-BOS
2h 13mnonstop
$337American Airlines
Find Deal
Fri, Nov 22 - Tue, Dec 3
11:12 am - 3:14 pmBOS-ORD
5h 02m1 stop
12:13 pm - 5:39 pmORD-BOS
4h 26m1 stop
$341American Airlines
Find Deal
Fri, Nov 22 - Fri, Nov 29
7:25 am - 9:34 amBOS-ORD
3h 09mnonstop
12:15 pm - 3:28 pmORD-BOS
2h 13mnonstop
$347JetBlue
Find Deal
Sat, Nov 23 - Tue, Nov 26
6:00 am - 8:05 amBOS-ORD
3h 05mnonstop
8:51 am - 12:13 pmORD-BOS
2h 22mnonstop
$157JetBlue
Find Deal
Thu, Dec 5 - Mon, Dec 9
7:00 am - 8:45 amBOS-MDW
2h 45mnonstop
8:05 am - 11:20 amMDW-BOS
2h 15mnonstop
$158Southwest
Find Deal
Wed, Dec 4 - Sat, Dec 7
7:20 am - 9:29 amBOS-ORD
3h 09mnonstop
6:30 am - 10:00 amORD-BOS
2h 30mnonstop
$158Delta
Find Deal
Thu, Dec 5 - Mon, Dec 9
6:34 am - 8:39 amBOS-ORD
3h 05mnonstop
7:00 pm - 10:24 pmORD-BOS
2h 24mnonstop
$159American Airlines
Find Deal
Thu, Feb 13 - Sun, Feb 16
1:59 pm - 3:53 pmBOS-ORD
2h 54mnonstop
8:51 am - 12:13 pmORD-BOS
2h 22mnonstop
$167JetBlue
Find Deal
Tue, Dec 3 - Fri, Dec 6
6:47 am - 8:52 amBOS-ORD
3h 05mnonstop
8:12 am - 11:27 amORD-BOS
2h 15mnonstop
$168American Airlines
Find Deal
Fri, Dec 6 - Sun, Dec 8
7:45 pm - 9:43 pmBOS-ORD
2h 58mnonstop
7:35 am - 11:03 amORD-BOS
2h 28mnonstop
$173Delta
Find Deal
Tue, Dec 17 - Tue, Dec 24
7:00 am - 8:45 amBOS-MDW
2h 45mnonstop
6:25 pm - 9:35 pmMDW-BOS
2h 10mnonstop
$174Southwest
Find Deal
Thu, Dec 12 - Wed, Dec 25
10:57 am - 12:55 pmBOS-ORD
2h 58mnonstop
7:30 am - 10:56 amORD-BOS
2h 26mnonstop
$185United Airlines
Find Deal
Fri, Jan 17 - Mon, Jan 20
10:45 am - 12:41 pmBOS-ORD
2h 56mnonstop
10:37 am - 2:02 pmORD-BOS
2h 25mnonstop
$189United Airlines
Find Deal
Tue, Dec 3 - Wed, Dec 4

Spirit Airlines flights from Boston to Illinois

Our best Spirit Airlines deals on Boston to Illinois flight tickets
Spirit Airlines
Dec 6
BOS10:34 amBoston Logan Intl
11h 33m
1 stop
ORD9:07 pmChicago O'Hare Intl
Dec 10
ORD9:58 amChicago O'Hare Intl
13h 40m
1 stop
BOS12:38 amBoston Logan Intl
Spirit Airlines
Dec 17
BOS2:18 pmBoston Logan Intl
9h 41m
1 stop
ORD10:59 pmChicago O'Hare Intl
Dec 24
ORD1:24 pmChicago O'Hare Intl
6h 56m
1 stop
BOS9:20 pmBoston Logan Intl
Spirit Airlines
Dec 3
BOS8:10 amBoston Logan Intl
3h 11m
ORD10:21 amChicago O'Hare Intl
Dec 10
ORD9:58 amChicago O'Hare Intl
13h 40m
1 stop
BOS12:38 amBoston Logan Intl

Delta flights from Boston to Illinois

Our best Delta deals on Boston to Illinois flight tickets
Delta
Dec 5
BOS7:20 amBoston Logan Intl
3h 09m
ORD9:29 amChicago O'Hare Intl
Dec 9
ORD6:30 amChicago O'Hare Intl
2h 30m
BOS10:00 amBoston Logan Intl
Delta
Dec 5
BOS7:20 amBoston Logan Intl
3h 09m
ORD9:29 amChicago O'Hare Intl
Dec 9
ORD6:30 amChicago O'Hare Intl
2h 30m
BOS10:00 amBoston Logan Intl
Delta
Dec 5
BOS7:20 amBoston Logan Intl
3h 09m
ORD9:29 amChicago O'Hare Intl
Dec 25
ORD7:35 amChicago O'Hare Intl
2h 28m
BOS11:03 amBoston Logan Intl

See travel insights to Illinois from

How to get the cheapest flight ticket from Boston to Illinois

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 day to depart on your flight to Illinois?

The cheapest day to depart from Boston to Illinois is on a Tuesday when prices can be found for as low as $223. Flights from Boston to Illinois on a Sunday will generally be more expensive and average around $277. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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

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

There are 4 cabin classes available to choose from on Boston Logan Intl to Illinois 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 Boston to Illinois flights?

You could potentially save up to 27% on your flight if you consider stops on a Boston to Illinois flight.

Cheap Boston to Illinois flight deals and tips

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

Best Price Found

$45

Fastest flight time

2h 45m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Boston in the past 72 hours is $45. The best round-trip flight deal from Boston to Illinois found on momondo in the last 72 hours is $101.
The fastest flight from Boston to Illinois takes 2h 45m
Direct flights go from Boston to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

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

    Prices for flights from Boston Logan Intl Airport to Illinois are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Illinois.

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

    The necessary travel and health documents for your Illinois 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 Illinois?


Best airlines flying from Boston to Illinois

Compare and see reviews for airlines that fly from Boston to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $39Free CancellationRating
6.3
8,169 reviews
Search Spirit Airlines flights
JetBluePriceFrom $83Free CancellationRating
7.4
3,389 reviews
Search JetBlue flights
DeltaPriceFrom $94Free CancellationRating
8.0
8,755 reviews
Search Delta flights
FrontierPriceFrom $98Free CancellationRating
6.1
3,536 reviews
Search Frontier flights
American AirlinesPriceFrom $135Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $145Free CancellationRating
8.1
5,005 reviews
Search Southwest flights
United AirlinesPriceFrom $147Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Illinois for you.

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

All flight searches from Boston to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Illinois.

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

Price alerts on flights to Illinois 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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Popular flights according to clicks in the last 7 days on momondo