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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 5/18. 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
May 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
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How far in advance should I book a flight from Boston to Illinois?

Travelers have found it’s best to book a flight 24 days in advance to save up to 33% 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 24 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 $279, or $327 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 $273. You can even find prices in January for less than $273, as users have found deals to Illinois from as low as $106. 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 25%.

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 2,752,338 searches. Data last updated May 8, 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.
Tue 6/41:53 pmBOS - ORD
1 stop10h 17mSpirit Airlines
Wed 6/58:02 pmORD - BOS
Nonstop2h 29mSpirit Airlines
Deal found 5/7$53
Tue 6/412:07 pmBOS - ORD
1 stop12h 03mSpirit Airlines
Wed 6/58:02 pmORD - BOS
Nonstop2h 29mSpirit Airlines
Deal found 5/6$54
Tue 6/116:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Wed 6/128:02 pmORD - BOS
Nonstop2h 29mSpirit Airlines
Deal found 5/8$56
Thu 6/66:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Wed 6/128:02 pmORD - BOS
Nonstop2h 29mSpirit Airlines
Deal found 5/7$57
Wed 6/512:07 pmBOS - ORD
1 stop12h 38mSpirit Airlines
Wed 6/128:02 pmORD - BOS
Nonstop2h 29mSpirit Airlines
Deal found 5/7$58
Thu 6/66:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Tue 6/119:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/7$61
Thu 6/66:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Tue 6/119:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/6$62
Wed 6/512:07 pmBOS - ORD
1 stop12h 38mSpirit Airlines
Thu 6/69:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/7$63
Tue 6/412:07 pmBOS - ORD
1 stop12h 03mSpirit Airlines
Tue 6/119:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/7$64

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 2,752,338 searches. Data last updated May 8, 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 6/46:25 amBOS - ORD
Nonstop2h 55mDelta
Tue 6/116:30 amORD - BOS
Nonstop2h 28mDelta
Deal found 5/7$137
Wed 5/156:25 amBOS - ORD
Nonstop2h 55mDelta
Sat 5/185:15 pmORD - BOS
Nonstop2h 29mDelta
Deal found 5/7$237
Sat 5/185:35 amBOS - ORD
1 stop4h 24mDelta
Thu 5/236:27 amORD - BOS
Nonstop2h 27mDelta
Deal found 5/6$313
Mon 5/134:43 pmBOS - ORD
Nonstop3h 02mDelta
Tue 5/145:15 pmORD - BOS
Nonstop2h 29mDelta
Deal found 5/7$330

Cheap Boston to Illinois flights in May & June 2024

Find cheap flight options from Boston to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 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.
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Sat 5/189:08 pmMDW - BOS
1 stop11h 35mFrontier
Deal found 5/7$104
Wed 5/2211:14 amBOS - MDW
1 stop11h 39mFrontier
Tue 6/1110:16 pmMDW - BOS
1 stop7h 42mFrontier
Deal found 5/7$107
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Sat 5/189:08 pmMDW - BOS
1 stop11h 35mFrontier
Deal found 5/8$108
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Fri 5/1712:04 pmMDW - BOS
1 stop21h 35mFrontier
Deal found 5/7$114
Wed 5/2211:14 amBOS - MDW
1 stop11h 39mFrontier
Wed 5/297:49 amMDW - BOS
1 stop23h 51mFrontier
Deal found 5/7$117
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Fri 5/171:15 pmMDW - BOS
2 stops20h 24mFrontier
Deal found 5/7$118
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Wed 5/297:49 amMDW - BOS
1 stop23h 51mFrontier
Deal found 5/7$119
Sat 5/189:49 amBOS - MDW
1 stop11h 24mFrontier
Sun 5/197:49 amMDW - BOS
1 stop24h 15mFrontier
Deal found 5/7$122
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Wed 5/297:49 amMDW - BOS
1 stop23h 51mFrontier
Deal found 5/8$123

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 2,752,338 searches. Data last updated May 8, 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.
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Sat 5/189:08 pmMDW - BOS
1 stop11h 35mFrontier
Deal found 5/7$104
Wed 5/2211:14 amBOS - MDW
1 stop11h 39mFrontier
Tue 6/1110:16 pmMDW - BOS
1 stop7h 42mFrontier
Deal found 5/7$107
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Sat 5/189:08 pmMDW - BOS
1 stop11h 35mFrontier
Deal found 5/8$108
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Fri 5/1712:04 pmMDW - BOS
1 stop21h 35mFrontier
Deal found 5/7$114
Wed 5/2211:14 amBOS - MDW
1 stop11h 39mFrontier
Wed 5/297:49 amMDW - BOS
1 stop23h 51mFrontier
Deal found 5/7$117
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Fri 5/171:15 pmMDW - BOS
2 stops20h 24mFrontier
Deal found 5/7$118
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Wed 5/297:49 amMDW - BOS
1 stop23h 51mFrontier
Deal found 5/7$119
Sat 5/189:49 amBOS - MDW
1 stop11h 24mFrontier
Sun 5/197:49 amMDW - BOS
1 stop24h 15mFrontier
Deal found 5/7$122
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Wed 5/297:49 amMDW - BOS
1 stop23h 51mFrontier
Deal found 5/8$123

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 2,752,338 searches. Data last updated May 8, 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.
Thu 6/136:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Sun 6/169:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/7$142
Thu 6/136:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Sun 6/169:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/7$143
Sat 6/156:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Mon 6/179:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/6$144
Mon 6/176:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Tue 6/259:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/6$145
Sat 6/16:05 amBOS - ORD
Nonstop3h 13mAmerican Airlines
Wed 6/56:45 amORD - BOS
Nonstop2h 26mAmerican Airlines
Deal found 5/7$147
Thu 6/206:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Mon 6/249:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/7$148
Thu 6/206:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Tue 6/259:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/8$151
Thu 5/305:25 amBOS - ORD
Nonstop2h 56mAmerican Airlines
Tue 6/43:27 pmORD - BOS
Nonstop2h 17mAmerican Airlines
Deal found 5/7$157
Sat 7/136:35 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Tue 7/309:04 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/7$159

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 2,752,338 searches. Data last updated May 8, 2024.
Check out these flights departing soon from Boston to Illinois. Users should examine the flight details to ensure there are no surprises.
Tue 5/145:45 amBOS - ORD
1 stop15h 39mSpirit Airlines
Fri 5/175:23 pmORD - BOS
2 stops27h 14mSpirit Airlines
Deal found 5/6$140
Wed 5/1511:36 amBOS - ORD
1 stop13h 07mFrontier
Sat 5/185:56 pmORD - BOS
1 stop14h 47mFrontier
Deal found 5/7$143
Thu 5/1612:32 pmBOS - MDW
1 stop8h 08mFrontier
Sun 5/197:49 amMDW - BOS
1 stop24h 15mFrontier
Deal found 5/7$144
Fri 5/1710:04 amBOS - ORD
1 stop16h 04mMultiple Airlines
Tue 5/219:35 amORD - BOS
1 stop11h 01mMultiple Airlines
Deal found 5/7$144
Sat 5/189:49 amBOS - MDW
1 stop22h 05mFrontier
Mon 5/207:31 pmMDW - BOS
1 stop10h 58mFrontier
Deal found 5/8$145
Wed 5/153:29 pmBOS - ORD
2 stops20h 39mSpirit Airlines
Wed 5/297:20 amORD - BOS
2 stops13h 54mSpirit Airlines
Deal found 5/7$147
Thu 5/1612:32 pmBOS - MDW
1 stop8h 08mFrontier
Sun 5/197:49 amMDW - BOS
1 stop24h 15mFrontier
Deal found 5/7$148
Tue 5/147:36 pmBOS - ORD
2 stops23h 04mSpirit Airlines
Fri 5/175:23 pmORD - BOS
2 stops27h 14mSpirit Airlines
Deal found 5/7$149
Sat 5/1811:29 amBOS - MDW
2 stops20h 25mFrontier
Mon 5/207:31 pmMDW - BOS
1 stop10h 58mFrontier
Deal found 5/8$151

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 2,752,338 searches. Data last updated May 8, 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.
Sat 5/1811:29 amBOS - MDW
2 stops9h 44mFrontier
Deal found 5/7$49
Wed 5/228:19 amBOS - MDW
1 stop6h 50mFrontier
Deal found 5/7$54
Wed 6/57:49 amBOS - MDW
1 stop6h 43mFrontier
Deal found 5/7$55
Wed 5/1512:46 pmBOS - MDW
1 stop11h 44mFrontier
Deal found 5/7$58
Wed 6/59:16 amBOS - STL
1 stop22h 51mFrontier
Deal found 5/6$61
Sat 5/1811:29 amBOS - MDW
2 stops20h 25mFrontier
Deal found 5/7$63
Sat 6/112:59 pmBOS - MDW
1 stop7h 58mFrontier
Deal found 5/7$64
Fri 5/1711:14 amBOS - MDW
1 stop11h 34mFrontier
Deal found 5/7$69
Wed 5/224:50 pmBOS - RFD
1 stop19h 16mMultiple Airlines
Deal found 5/8$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 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$53 - $147

Route

Depart

Return

Price

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Tue 6/4

1 stop10h 17m

Chicago O'Hare Intl

Wed 6/5

Nonstop2h 29m

$53

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Tue 6/4

1 stop12h 03m

Chicago O'Hare Intl

Wed 6/5

Nonstop2h 29m

$54

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Tue 6/11

Nonstop2h 54m

Chicago O'Hare Intl

Wed 6/12

Nonstop2h 29m

$56

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Thu 6/6

Nonstop2h 54m

Chicago O'Hare Intl

Wed 6/12

Nonstop2h 29m

$57

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Wed 6/5

1 stop12h 38m

Chicago O'Hare Intl

Wed 6/12

Nonstop2h 29m

$58

Boston Logan IntlChicago Midway

BOS - MDW

BOSMDW

Boston Logan Intl

Wed 5/22

1 stop11h 39m

Chicago Midway

Tue 6/11

1 stop7h 42m

$107

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Wed 5/29

1 stop11h 25m

Chicago O'Hare Intl

Sat 6/1

1 stop6h 08m

$115

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Tue 6/4

Nonstop2h 55m

Chicago O'Hare Intl

Tue 6/11

Nonstop2h 28m

$137

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Sat 6/1

Nonstop3h 13m

Chicago O'Hare Intl

Wed 6/5

Nonstop2h 26m

$147

Flights are sorted by cheapest first

Deals found on 5/7

No data available for this route at this time. Please check back soon.

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 May 8, 2024.
Get a feel of what it's like to fly with Spirit Airlines, Delta and American 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
6,075 reviews
Check prices

Crew

8.7

Food

7.3

Entertainment

7.8

Overall

8.2

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Southwest
8.2
Very good
6,075 reviews
Southwest
8.2
Very good
6,075 reviews
Check prices

Crew

8.7

Food

7.3

Entertainment

7.8

Overall

8.2

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Alaska Airlines
8.1
Very good
9,141 reviews
Southwest
8.2
Very good
6,075 reviews
Check prices

Crew

8.7

Food

7.3

Entertainment

7.8

Overall

8.2

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Delta
8.1
Very good
10,789 reviews
Southwest
8.2
Very good
6,075 reviews
Check prices

Crew

8.7

Food

7.3

Entertainment

7.8

Overall

8.2

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

JetBlue
7.6
Good
4,525 reviews
Southwest
8.2
Very good
6,075 reviews
Check prices

Crew

8.7

Food

7.3

Entertainment

7.8

Overall

8.2

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Porter Airlines
7.4
Good
423 reviews
Southwest
8.2
Very good
6,075 reviews
Check prices

Crew

8.7

Food

7.3

Entertainment

7.8

Overall

8.2

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

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 Spirit Airlines for just $53, but on average you can expect to pay $65.

  • 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 $158.

  • 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, Monday, Wednesday, Thursday, Friday, Saturday.

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

    On average, you can expect to see 17 flights from Boston to Illinois a day.
    Early Morning (Midnight to 6am) - 12% of flight departures
    Morning (6am - Noon) - 29% of flight departures
    Afternoon (Noon - 6pm) - 47% of flight departures
    Evening (6pm - Midnight) - 12% of flight departures

  • How long is the flight from Boston to Illinois?

    Departing from Boston to Illinois will take you 10h 17m. There are 869 mi between Boston and Illinois.

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

    The most popular flight routes from Boston to Illinois are Boston Logan Intl - Chicago O'Hare Intl, Boston Logan Intl - Chicago Midway and Boston Logan Intl - Lambert-St Louis.

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

    When booking a flight from Boston to Illinois, you may want to consider flying on Undisclosed Carrier, American Airlines or Alaska Airlines as they are the most popular for this route.

  • 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 LATAM Airlines (97%), ANA (97%) or Scandinavian Airlines (96%) 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 $1,129, our data shows the cheapest flight currently is $89. When looking at the most popular route, (Boston Logan Intl - Chicago O'Hare Intl), you can expect to pay $61 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.

  • Can I find deals for flights from Boston to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Boston to Illinois that include hotel bookings?

    Yes. In addition to deals on Boston to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Illinois.

  • Can I find deals for business class flights from Boston to Illinois?

    Yes. Cheapflights offers flight deals from Boston to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Boston to Illinois that allow pets onboard?

    Many airlines flying from Boston to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to Illinois?

    Yes, you can often find last-minute deals on Boston to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Boston to Illinois flight deals updated?

    The Boston to Illinois flight deals you see on this page were last updated on 5/8.

See more FAQs

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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 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$39Average$94FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapest$65Average$180FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
JetBlueCheapest$79Average$232FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest$89Average$451FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$94Average$391FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FrontierCheapest$94Average$130FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$107Average$455FlexibilityNo cancel feeOn-time71%
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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.
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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 May 8, 2024.
26%of flight departuresEarly morningMidnight to 6 am
38%of flight departuresMorning6 am to noon
31%of flight departuresAfternoonNoon to 6 pm
5%of flight departuresEvening6 pm to midnight
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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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