Cheap flights from Boston (BOS) to Illinois from $49

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOS — ORD
Mar 24 — Mar 311

How far in advance should I book a flight from Boston to Illinois?

Travelers have found it’s best to book a flight 55 days in advance to save up to 24% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 55 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Boston to Illinois 1-2 weeks in advance for as low as $237, or $310 for flights within the next 24 hours.

What is the cheapest month to fly from Boston to Illinois?

The best pricing can be found in the month of January. Prices to Illinois from Boston average $260. You can even find prices in January for less than $260, as users have found deals to Illinois from as low as $79. The month of June appears to be one of the more expensive times to travel to Illinois from Boston. Flying in the targeted month can save you up to 37%.

When is the cheapest time to fly from Boston to Illinois (BOS - IL)?

When flying from Boston to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Spirit Airlines flights from Boston to Illinois

Explore cheap flight options specifically provided by Spirit Airlines for the route between Boston and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a peek at the cheapest Spirit Airlines flights we've detected traveling from Boston to Illinois. Be sure to come back soon if the deals available don't appeal to you at this time.
Thu 4/410:37 pmBOS - ORD
1 stop13h 36mSpirit Airlines
Tue 4/97:25 amORD - BOS
1 stop8h 20mSpirit Airlines
Deal found 3/17$113
Thu 4/410:37 pmBOS - ORD
1 stop13h 36mSpirit Airlines
Tue 4/97:25 amORD - BOS
1 stop8h 20mSpirit Airlines
Deal found 3/16$116
Wed 5/155:52 pmBOS - ORD
1 stop18h 16mSpirit Airlines
Mon 5/207:35 amORD - BOS
1 stop13h 02mSpirit Airlines
Deal found 3/16$120
Sat 5/410:56 pmBOS - ORD
1 stop12h 36mSpirit Airlines
Thu 5/97:35 amORD - BOS
1 stop13h 02mSpirit Airlines
Deal found 3/17$125
Mon 4/810:37 pmBOS - ORD
1 stop14h 51mSpirit Airlines
Tue 4/168:59 pmORD - BOS
1 stop11h 07mSpirit Airlines
Deal found 3/17$130
Thu 4/410:37 pmBOS - ORD
1 stop13h 36mSpirit Airlines
Tue 4/97:25 amORD - BOS
1 stop8h 20mSpirit Airlines
Deal found 3/18$132
Mon 4/810:37 pmBOS - ORD
1 stop14h 51mSpirit Airlines
Thu 4/117:40 amORD - BOS
2 stops15h 19mSpirit Airlines
Deal found 3/17$134
Mon 3/253:56 pmBOS - ORD
1 stop9h 21mSpirit Airlines
Mon 4/18:00 amORD - BOS
2 stops24h 03mSpirit Airlines
Deal found 3/18$159
Mon 3/253:56 pmBOS - ORD
1 stop9h 21mSpirit Airlines
Sat 3/3012:51 pmORD - BOS
1 stop9h 23mSpirit Airlines
Deal found 3/17$164

Cheap Delta flights from Boston to Illinois

Explore cheap flight options specifically provided by Delta for the route between Boston and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Browse through some of the cheapest Delta flights traveling from Boston to Illinois. Check back soon if you're not seeing flights that suit your needs.
Tue 5/76:25 amBOS - ORD
Nonstop2h 54mDelta
Tue 5/148:05 pmORD - BOS
Nonstop2h 35mDelta
Deal found 3/17$127
Wed 5/86:25 amBOS - ORD
Nonstop2h 54mDelta
Thu 5/96:25 amORD - BOS
Nonstop2h 29mDelta
Deal found 3/18$153
Sat 4/278:05 amBOS - ORD
Nonstop2h 55mDelta
Tue 4/308:15 pmORD - BOS
Nonstop2h 32mDelta
Deal found 3/17$159
Fri 4/268:55 pmBOS - ORD
Nonstop2h 57mDelta
Tue 4/306:15 amORD - BOS
Nonstop2h 20mDelta
Deal found 3/18$174
Sat 4/278:05 amBOS - ORD
Nonstop2h 55mDelta
Thu 5/28:15 pmORD - BOS
Nonstop2h 32mDelta
Deal found 3/17$194
Fri 4/266:25 amBOS - ORD
Nonstop2h 56mDelta
Mon 4/298:15 pmORD - BOS
Nonstop2h 32mDelta
Deal found 3/18$209
Sun 3/242:00 pmBOS - ORD
Nonstop3h 03mDelta
Sun 3/317:59 pmORD - BOS
Nonstop2h 23mDelta
Deal found 3/18$223
Thu 5/236:25 amBOS - ORD
Nonstop2h 54mDelta
Wed 5/297:30 amORD - BOS
1 stop7h 48mDelta
Deal found 3/18$230
Sun 3/245:25 amBOS - ORD
1 stop5h 07mDelta
Sun 3/317:59 pmORD - BOS
Nonstop2h 23mDelta
Deal found 3/18$241

Cheap Boston to Illinois flights in March & April 2024

Find cheap flight options from Boston to Illinois specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
These are some of the most attractive deals on flights from Boston to Illinois in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 4/2712:41 pmBOS - MDW
1 stop11h 00mFrontier
Sat 5/118:17 pmMDW - BOS
1 stop10h 51mFrontier
Deal found 3/18$95
Wed 4/1012:46 pmBOS - MDW
1 stop11h 37mFrontier
Mon 4/153:44 pmMDW - BOS
1 stop15h 24mFrontier
Deal found 3/18$96
Tue 4/911:53 amBOS - MDW
1 stop6h 08mFrontier
Sat 4/138:17 pmMDW - BOS
1 stop10h 51mFrontier
Deal found 3/18$97
Wed 4/1012:46 pmBOS - MDW
1 stop11h 37mFrontier
Thu 4/115:56 pmMDW - BOS
1 stop13h 12mFrontier
Deal found 3/16$98
Sun 4/289:08 amBOS - ORD
1 stop16h 51mFrontier
Thu 5/25:51 pmORD - BOS
1 stop13h 17mFrontier
Deal found 3/18$106
Wed 4/1012:46 pmBOS - MDW
1 stop11h 37mFrontier
Sun 4/146:31 pmMDW - BOS
1 stop12h 37mFrontier
Deal found 3/18$107
Wed 4/2412:46 pmBOS - MDW
1 stop11h 44mFrontier
Sun 4/286:27 pmMDW - BOS
1 stop12h 41mFrontier
Deal found 3/17$108
Tue 4/911:53 amBOS - MDW
1 stop6h 08mFrontier
Tue 4/1612:53 pmMDW - BOS
1 stop17h 28mFrontier
Deal found 3/17$110
Wed 4/1012:46 pmBOS - MDW
1 stop11h 37mFrontier
Fri 4/123:44 pmMDW - BOS
1 stop15h 24mFrontier
Deal found 3/17$111

Boston to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Boston and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
These are some of the most attractive deals on flights from Boston to Illinois in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 4/2712:41 pmBOS - MDW
1 stop11h 00mFrontier
Sat 5/118:17 pmMDW - BOS
1 stop10h 51mFrontier
Deal found 3/18$95
Wed 4/1012:46 pmBOS - MDW
1 stop11h 37mFrontier
Mon 4/153:44 pmMDW - BOS
1 stop15h 24mFrontier
Deal found 3/18$96
Tue 4/911:53 amBOS - MDW
1 stop6h 08mFrontier
Sat 4/138:17 pmMDW - BOS
1 stop10h 51mFrontier
Deal found 3/18$97
Wed 4/1012:46 pmBOS - MDW
1 stop11h 37mFrontier
Thu 4/115:56 pmMDW - BOS
1 stop13h 12mFrontier
Deal found 3/16$98
Wed 5/18:21 amBOS - ORD
1 stop27h 26mFrontier
Thu 5/25:51 pmORD - BOS
1 stop13h 17mFrontier
Deal found 3/18$100
Sat 5/412:41 pmBOS - MDW
1 stop11h 00mFrontier
Sat 5/118:17 pmMDW - BOS
1 stop10h 51mFrontier
Deal found 3/17$103
Wed 5/112:46 pmBOS - MDW
1 stop11h 44mFrontier
Sun 5/56:31 pmMDW - BOS
1 stop12h 37mFrontier
Deal found 3/18$106
Wed 5/18:21 amBOS - ORD
1 stop27h 26mFrontier
Sun 5/55:51 pmORD - BOS
1 stop13h 17mFrontier
Deal found 3/18$106
Wed 4/1012:46 pmBOS - MDW
1 stop11h 37mFrontier
Sun 4/146:31 pmMDW - BOS
1 stop12h 37mFrontier
Deal found 3/18$107

Non-stop flights to Illinois from Boston

Discover non-stop flight options from Boston to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the direct flights traveling from Boston to Illinois in the near future. Users seeking other options on flights from Boston to Illinois should update the search form at the top of the page.
Tue 5/74:35 pmBOS - ORD
Nonstop2h 55mJetBlue
Tue 5/147:15 pmORD - BOS
Nonstop2h 26mJetBlue
Deal found 3/18$127
Sat 5/46:00 amBOS - ORD
Nonstop2h 53mJetBlue
Tue 5/78:40 amORD - BOS
Nonstop2h 29mJetBlue
Deal found 3/18$133
Tue 4/238:10 amBOS - ORD
Nonstop2h 58mJetBlue
Tue 4/236:10 pmORD - BOS
Nonstop2h 26mJetBlue
Deal found 3/18$139
Wed 5/298:00 amBOS - ORD
Nonstop2h 50mUnited Airlines
Wed 6/56:04 amORD - BOS
Nonstop2h 20mUnited Airlines
Deal found 3/17$146
Tue 5/72:10 pmBOS - ORD
Nonstop2h 53mDelta
Fri 5/108:05 pmORD - BOS
Nonstop2h 35mDelta
Deal found 3/18$153
Wed 6/126:00 amBOS - ORD
Nonstop2h 50mUnited Airlines
Tue 6/186:04 amORD - BOS
Nonstop2h 20mUnited Airlines
Deal found 3/18$157
Tue 4/307:00 amBOS - ORD
Nonstop3h 11mAmerican Airlines
Sat 5/46:55 pmORD - BOS
Nonstop2h 25mAmerican Airlines
Deal found 3/18$159
Tue 4/98:10 amBOS - ORD
Nonstop2h 58mJetBlue
Tue 4/1610:55 amORD - BOS
Nonstop2h 29mJetBlue
Deal found 3/17$163
Wed 4/36:00 amBOS - ORD
Nonstop2h 53mJetBlue
Sat 4/66:10 pmORD - BOS
Nonstop2h 26mJetBlue
Deal found 3/18$167

Boston to Illinois flights leaving soon

Find last-minute flight options from Boston to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Check out these flights departing soon from Boston to Illinois. Users should examine the flight details to ensure there are no surprises.
Tue 3/268:21 amBOS - MDW
1 stop9h 40mFrontier
Wed 3/273:16 pmMDW - BOS
1 stop15h 15mFrontier
Deal found 3/18$153
Mon 3/253:56 pmBOS - ORD
1 stop9h 21mSpirit Airlines
Mon 4/18:00 amORD - BOS
2 stops24h 03mSpirit Airlines
Deal found 3/18$159
Mon 3/258:21 amBOS - MDW
1 stop9h 40mFrontier
Mon 4/18:43 pmMDW - BOS
1 stop11h 02mFrontier
Deal found 3/18$162
Mon 3/253:56 pmBOS - ORD
1 stop9h 21mSpirit Airlines
Sat 3/3012:51 pmORD - BOS
1 stop9h 23mSpirit Airlines
Deal found 3/17$164
Tue 3/269:58 amBOS - ORD
2 stops12h 12mSpirit Airlines
Sat 3/301:51 pmORD - BOS
1 stop8h 23mSpirit Airlines
Deal found 3/17$166
Tue 3/268:21 amBOS - MDW
1 stop9h 40mFrontier
Tue 3/267:58 pmMDW - BOS
1 stop11h 47mFrontier
Deal found 3/18$169
Tue 3/263:50 pmBOS - ORD
1 stop6h 20mSpirit Airlines
Sat 3/301:51 pmORD - BOS
1 stop8h 23mSpirit Airlines
Deal found 3/17$174
Tue 3/269:58 amBOS - ORD
2 stops12h 12mSpirit Airlines
Wed 3/279:14 amORD - BOS
1 stop8h 23mSpirit Airlines
Deal found 3/18$175
Wed 3/278:21 amBOS - MDW
1 stop9h 40mFrontier
Wed 3/278:43 pmMDW - BOS
1 stop11h 02mFrontier
Deal found 3/18$176

One-way flights to Illinois from Boston

Search for one-way flight options from Boston to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Some of the best available deals we've found on one-way flights from Boston to Illinois. Users in need of a round-trip flight from Boston to Illinois instead should update the search form at the top of page.
Tue 4/911:53 amBOS - MDW
1 stop6h 08mFrontier
Deal found 3/18$49
Wed 4/1712:46 pmBOS - MDW
1 stop11h 37mFrontier
Deal found 3/18$55
Tue 4/3010:21 amBOS - MDW
1 stop14h 55mFrontier
Deal found 3/18$57
Tue 4/211:53 amBOS - MDW
1 stop6h 08mFrontier
Deal found 3/18$59
Sat 4/2012:41 pmBOS - MDW
1 stop11h 00mFrontier
Deal found 3/18$60
Wed 4/38:21 amBOS - MDW
1 stop9h 40mFrontier
Deal found 3/18$64
Mon 4/226:52 pmBOS - ORD
1 stop14h 36mSpirit Airlines
Deal found 3/18$65
Wed 4/38:21 amBOS - MDW
1 stop9h 40mFrontier
Deal found 3/18$69
Mon 4/810:37 pmBOS - ORD
1 stop14h 51mSpirit Airlines
Deal found 3/18$69

Find flights from Boston to Illinois within your budget

Customize your flight search to find flights from Boston to Illinois 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, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$95 - $165

Route

Depart

Return

Price

Boston Logan IntlChicago Midway

BOS - MDW

BOSMDW

Boston Logan Intl

Sat 4/27

1 stop11h 00m

Chicago Midway

Sat 5/11

1 stop10h 51m

$95

Boston Logan IntlChicago Midway

BOS - MDW

BOSMDW

Boston Logan Intl

Wed 4/10

1 stop11h 37m

Chicago Midway

Mon 4/15

1 stop15h 24m

$96

Boston Logan IntlChicago Midway

BOS - MDW

BOSMDW

Boston Logan Intl

Tue 4/9

1 stop6h 08m

Chicago Midway

Sat 4/13

1 stop10h 51m

$97

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Thu 4/4

1 stop13h 36m

Chicago O'Hare Intl

Tue 4/9

1 stop8h 20m

$113

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Mon 5/6

1 stop27h 26m

Chicago O'Hare Intl

Thu 5/9

1 stop13h 02m

$119

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Tue 5/7

Nonstop2h 54m

Chicago O'Hare Intl

Tue 5/14

Nonstop2h 35m

$127

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Sat 5/4

Nonstop2h 53m

Chicago O'Hare Intl

Wed 5/8

Nonstop2h 26m

$133

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Wed 5/29

Nonstop2h 50m

Chicago O'Hare Intl

Wed 6/5

Nonstop2h 20m

$146

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Tue 4/9

Nonstop3h 11m

Chicago O'Hare Intl

Wed 4/10

Nonstop2h 14m

$165

Flights are sorted by cheapest first

Deals found on 3/18

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated March 19, 2024.
Get a feel of what it's like to fly with Spirit Airlines, Delta and United Airlines from Boston to Illinois by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,382 reviews

Overall

8.2

Boarding

8.3

Crew

8.8

Entertainment

7.9

Comfort

8.1

Food

7.4

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Southwest
8.2
Very good
6,382 reviews
Southwest
8.2
Very good
6,382 reviews

Overall

8.2

Boarding

8.3

Crew

8.8

Entertainment

7.9

Comfort

8.1

Food

7.4

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
9,150 reviews
Southwest
8.2
Very good
6,382 reviews

Overall

8.2

Boarding

8.3

Crew

8.8

Entertainment

7.9

Comfort

8.1

Food

7.4

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
11,551 reviews
Southwest
8.2
Very good
6,382 reviews

Overall

8.2

Boarding

8.3

Crew

8.8

Entertainment

7.9

Comfort

8.1

Food

7.4

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.7
Good
4,921 reviews
Southwest
8.2
Very good
6,382 reviews

Overall

8.2

Boarding

8.3

Crew

8.8

Entertainment

7.9

Comfort

8.1

Food

7.4

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.4
Good
11,602 reviews
Southwest
8.2
Very good
6,382 reviews

Overall

8.2

Boarding

8.3

Crew

8.8

Entertainment

7.9

Comfort

8.1

Food

7.4

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Related info for your journey

Find useful and relevant information for your journey from Boston to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Boston to Illinois?

    If you book a flight to Illinois from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston.

  • Can I find flights from Boston to Illinois for under $100 on Cheapflights?

    Yes, there are multiple flights from Boston to Illinois for under $100. The cheapest flight booked recently is on Frontier for just $95, but on average you can expect to pay $110.

  • Are there nonstop flights from Boston to Illinois for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Boston to Illinois under $200. A good price for a nonstop flight from Boston to Illinois is less than $164.

  • Are there last-minute flights available from Boston to Illinois for under $200?

    There are currently 20+ open flights from Boston to Illinois within the next 7 days for less than $200.

  • What days are nonstop flights available from Boston to Illinois?

    Nonstop flights are available for this route on the following days: Sunday, Saturday.

  • How many flights depart from Boston to Illinois on average per day?

    On average, you can expect to see 5 flights from Boston to Illinois a day.
    Afternoon (Noon - 6pm) - 20% of flight departures
    Evening (6pm - Midnight) - 80% of flight departures

  • How long is the flight from Boston to Illinois?

    Departing from Boston to Illinois will take you 2h 54m. There are 869 mi between Boston and Illinois. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Boston to Illinois one-way?

    The cheapest airlines for a one-way flight from Boston to Illinois are Frontier ($49), Spirit Airlines ($65), and JetBlue ($70).

  • What are the most popular routes from Boston to Illinois?

  • What are the most popular airlines that fly from Boston to Illinois?

  • What are the most reliable airlines from Boston to Illinois?

    No one likes to see their flight delayed. When booking a flight from Boston to Illinois consider choosing KLM (100%), Emirates (100%) or Republic Airways (97%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boston to Illinois?

    While on average a flight from Boston to Illinois is generally $700, our data shows the cheapest flight currently is $83. When looking at the most popular route, (Boston Logan Intl - Chicago O'Hare Intl), you can expect to pay $118 for that flight.

  • What does BOS to ORD mean?

    This is defined as Boston Logan Intl Airport (BOS) and Chicago O'Hare Intl Airport (ORD). Codes like Chicago O'Hare Intl Airport are often used to just call airports uniquely. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Boston to Illinois

Discover the top 7 airlines that operate flights from Boston to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$39Average$96FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
JetBlueCheapest$79Average$242FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest$89Average$402FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$94Average$390FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FrontierCheapest$100Average$147FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$106Average$466FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Spirit AirlinesCheapest$132Average$219FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

Search flights from Boston to Illinois by cabin class

Find flights from Boston to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Boston to Illinois

Find hourly flight availability from Boston to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 19, 2024.
31%of flight departuresEarly morningMidnight to 6 am
28%of flight departuresMorning6 am to noon
36%of flight departuresAfternoonNoon to 6 pm
5%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Illinois?

Cheapflights makes it easy to find Boston to Illinois flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Boston to Illinois?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Boston.

Can Cheapflights find flights from Boston to Illinois with no change fees?

Certainly. Search results for flights to Illinois from Boston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Boston to Illinois become cheaper?

Not ready to book yet? You can track prices for flights from Boston to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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