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Cheap flights from Boston (BOS) to Illinois from $30

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 8/21. 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 27 — Jun 31
From?
To?
Mon 5/27
Mon 6/3
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 52 days in advance to save up to 36% 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 52 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 $328 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 23%.

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 2,730,072 searches. Data last updated May 22, 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.
Sat 9/147:00 amBOS - ORD
Nonstop2h 33mSpirit Airlines
Mon 9/169:04 pmORD - BOS
Nonstop2h 18mSpirit Airlines
Deal found 5/21$61
Wed 9/47:00 amBOS - ORD
Nonstop2h 33mSpirit Airlines
Wed 9/119:04 pmORD - BOS
Nonstop2h 18mSpirit Airlines
Deal found 5/20$62
Sat 6/86:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Thu 6/139:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/20$63
Wed 6/511:28 amBOS - ORD
1 stop8h 44mSpirit Airlines
Mon 6/109:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$64
Mon 6/106:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Thu 6/139:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$67
Wed 9/187:00 amBOS - ORD
Nonstop2h 33mSpirit Airlines
Mon 9/239:04 pmORD - BOS
Nonstop2h 18mSpirit Airlines
Deal found 5/21$68
Thu 9/127:00 amBOS - ORD
Nonstop2h 33mSpirit Airlines
Sat 9/149:04 pmORD - BOS
Nonstop2h 18mSpirit Airlines
Deal found 5/21$69
Mon 9/167:00 amBOS - ORD
Nonstop2h 33mSpirit Airlines
Tue 9/249:04 pmORD - BOS
Nonstop2h 18mSpirit Airlines
Deal found 5/21$70
Tue 6/45:52 pmBOS - ORD
1 stop23h 15mSpirit Airlines
Fri 6/79:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$72

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 2,730,072 searches. Data last updated May 22, 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 8/132:40 pmBOS - ORD
Nonstop2h 52mDelta
Sat 8/178:00 amORD - BOS
Nonstop2h 12mDelta
Deal found 5/22$147
Thu 6/137:35 amBOS - ORD
Nonstop2h 52mDelta
Sun 6/166:30 amORD - BOS
Nonstop2h 28mDelta
Deal found 5/22$183
Sat 6/155:20 amBOS - STL
1 stop4h 55mDelta
Mon 6/247:06 pmSTL - BOS
1 stop5h 25mDelta
Deal found 5/21$196
Tue 5/286:25 amBOS - ORD
Nonstop2h 55mDelta
Sat 6/112:55 pmORD - BOS
Nonstop2h 31mDelta
Deal found 5/21$197
Tue 5/286:25 amBOS - ORD
Nonstop2h 55mDelta
Thu 6/68:10 pmORD - BOS
Nonstop2h 36mDelta
Deal found 5/20$228
Mon 5/276:25 amBOS - ORD
Nonstop2h 55mDelta
Sat 6/13:50 pmORD - BOS
1 stop6h 59mDelta
Deal found 5/20$257
Sat 6/15:35 amBOS - MDW
1 stop4h 16mDelta
Tue 6/49:32 amMDW - BOS
1 stop7h 13mDelta
Deal found 5/21$319

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 2,730,072 searches. Prices were last updated on May 22, 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 6/511:28 amBOS - ORD
1 stop8h 44mSpirit Airlines
Tue 6/119:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/22$53
Fri 6/76:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Sat 6/88:39 pmORD - BOS
Nonstop2h 29mSpirit Airlines
Deal found 5/21$61
Tue 6/116:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Wed 6/128:02 pmORD - BOS
Nonstop2h 29mSpirit Airlines
Deal found 5/22$62
Fri 6/76:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Tue 6/119:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/22$63
Wed 6/511:28 amBOS - ORD
1 stop8h 44mSpirit Airlines
Mon 6/109:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$64
Mon 6/106:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Thu 6/139:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$67
Fri 6/711:28 amBOS - ORD
1 stop7h 44mSpirit Airlines
Tue 6/119:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/22$71
Tue 6/45:52 pmBOS - ORD
1 stop23h 15mSpirit Airlines
Fri 6/79:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$72
Thu 6/66:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Thu 6/139:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$73

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 2,730,072 searches. Data last updated May 22, 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.
Fri 5/318:19 amBOS - STL
1 stop5h 01mFrontier
Tue 6/47:44 pmSTL - BOS
1 stop11h 32mFrontier
Deal found 5/20$118
Wed 8/148:15 amBOS - STL
1 stop7h 27mFrontier
Thu 8/156:42 pmSTL - BOS
1 stop12h 29mFrontier
Deal found 5/21$126
Sat 6/111:42 amBOS - STL
1 stop20h 26mFrontier
Tue 6/47:44 pmSTL - BOS
1 stop11h 32mFrontier
Deal found 5/21$138
Mon 6/33:30 pmBOS - ORD
2 stops29h 54mSpirit Airlines
Thu 6/69:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$139
Tue 6/1112:36 pmBOS - MDW
1 stop9h 44mFrontier
Tue 6/1810:16 pmMDW - BOS
1 stop7h 42mFrontier
Deal found 5/21$140
Thu 6/610:56 amBOS - ORD
2 stops31h 44mSpirit Airlines
Thu 6/139:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$140
Tue 6/257:37 pmBOS - ORD
2 stops29h 08mSpirit Airlines
Fri 6/289:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/20$141
Sun 6/210:27 amBOS - ORD
1 stop15h 41mMultiple Airlines
Sun 6/99:10 pmORD - BOS
Nonstop2h 28mMultiple Airlines
Deal found 5/21$142
Mon 6/176:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Tue 6/256:40 pmORD - BOS
1 stop25h 48mSpirit Airlines
Deal found 5/21$143

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 2,730,072 searches. Data last updated May 22, 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.
Mon 6/106:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Wed 6/198:02 pmORD - BOS
Nonstop2h 29mSpirit Airlines
Deal found 5/21$140
Sun 6/96:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Sun 6/169:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$141
Thu 6/136:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Sun 6/169:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$142
Mon 6/176:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Sat 6/228:39 pmORD - BOS
Nonstop2h 29mSpirit Airlines
Deal found 5/20$143
Sun 6/166:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Sat 6/228:39 pmORD - BOS
Nonstop2h 29mSpirit Airlines
Deal found 5/21$144
Tue 6/186:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Mon 6/249:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$145
Fri 6/286:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Thu 7/49:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$146
Tue 8/132:40 pmBOS - ORD
Nonstop2h 52mDelta
Sat 8/178:00 amORD - BOS
Nonstop2h 12mDelta
Deal found 5/22$147
Sat 6/156:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Tue 6/189:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/21$148

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 2,730,072 searches. Data last updated May 22, 2024.
Check out these flights departing soon from Boston to Illinois. Users should examine the flight details to ensure there are no surprises.
Fri 5/318:19 amBOS - STL
1 stop5h 01mFrontier
Tue 6/47:44 pmSTL - BOS
1 stop11h 32mFrontier
Deal found 5/20$118
Sat 6/111:42 amBOS - STL
1 stop20h 26mFrontier
Tue 6/47:44 pmSTL - BOS
1 stop11h 32mFrontier
Deal found 5/21$138
Sat 6/18:05 pmBOS - ORD
1 stop13h 08mSpirit Airlines
Thu 6/69:10 pmORD - BOS
Nonstop2h 28mSpirit Airlines
Deal found 5/20$140
Sat 6/111:42 amBOS - ORD
1 stop14h 16mMultiple Airlines
Tue 6/49:35 amORD - BOS
1 stop24h 03mMultiple Airlines
Deal found 5/21$141
Tue 5/283:29 pmBOS - ORD
2 stops29h 55mSpirit Airlines
Wed 6/55:05 amORD - BOS
2 stops16h 55mSpirit Airlines
Deal found 5/20$142
Wed 5/295:52 pmBOS - ORD
1 stop18h 16mSpirit Airlines
Mon 6/37:35 amORD - BOS
1 stop13h 02mSpirit Airlines
Deal found 5/20$143
Wed 5/296:10 amBOS - ORD
1 stop12h 30mSpirit Airlines
Fri 5/317:35 amORD - BOS
2 stops29h 02mSpirit Airlines
Deal found 5/21$144
Tue 5/285:45 amBOS - ORD
1 stop15h 39mSpirit Airlines
Tue 6/45:41 pmORD - BOS
1 stop24h 06mSpirit Airlines
Deal found 5/21$145
Fri 5/318:19 amBOS - STL
1 stop5h 01mFrontier
Sun 6/27:44 pmSTL - BOS
1 stop12h 12mFrontier
Deal found 5/20$146

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 2,730,072 searches. Data last updated May 22, 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.
Wed 8/217:00 amBOS - ORD
Nonstop2h 33mSpirit Airlines
Deal found 5/21$30
Mon 6/106:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Deal found 5/21$31
Wed 6/512:07 pmBOS - ORD
1 stop7h 58mSpirit Airlines
Deal found 5/21$32
Wed 6/511:28 amBOS - ORD
1 stop8h 44mSpirit Airlines
Deal found 5/22$33
Sun 6/236:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Deal found 5/22$36
Tue 9/177:00 amBOS - ORD
Nonstop2h 33mSpirit Airlines
Deal found 5/21$40
Tue 6/45:52 pmBOS - ORD
1 stop23h 15mSpirit Airlines
Deal found 5/21$41
Sun 6/236:30 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Deal found 5/22$42
Thu 7/186:35 amBOS - ORD
Nonstop2h 54mSpirit Airlines
Deal found 5/21$43

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 2,730,072 searches. Data last updated May 22, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$61 - $177

Route

Depart

Return

Price

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Sat 9/14

Nonstop2h 33m

Chicago O'Hare Intl

Mon 9/16

Nonstop2h 18m

$61

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Wed 9/4

Nonstop2h 33m

Chicago O'Hare Intl

Wed 9/11

Nonstop2h 18m

$62

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Sat 6/8

Nonstop2h 54m

Chicago O'Hare Intl

Thu 6/13

Nonstop2h 28m

$63

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Wed 6/5

1 stop8h 44m

Chicago O'Hare Intl

Mon 6/10

Nonstop2h 28m

$64

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Sat 6/1

1 stop14h 16m

Chicago O'Hare Intl

Thu 6/6

Nonstop2h 28m

$112

Boston Logan IntlLambert-St Louis

BOS - STL

BOSSTL

Boston Logan Intl

Wed 8/14

1 stop7h 27m

Lambert-St Louis

Thu 8/15

1 stop12h 29m

$126

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Tue 8/13

Nonstop2h 52m

Chicago O'Hare Intl

Sat 8/17

Nonstop2h 12m

$147

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Wed 6/5

Nonstop2h 54m

Chicago O'Hare Intl

Sat 6/8

Nonstop2h 26m

$157

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Thu 7/18

Nonstop2h 50m

Chicago O'Hare Intl

Sun 7/21

Nonstop2h 22m

$177

Flights are sorted by cheapest first

Deals found on 5/21

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

Best time to book a flight from Boston to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 22, 2024.
Get a feel of what it's like to fly with Spirit Airlines, Delta and JetBlue 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
6,009 reviews
Check prices

Boarding

8.3

Food

7.3

Comfort

8.1

Crew

8.7

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
6,009 reviews
Southwest
8.2
Very good
6,009 reviews
Check prices

Boarding

8.3

Food

7.3

Comfort

8.1

Crew

8.7

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
10,585 reviews
Southwest
8.2
Very good
6,009 reviews
Check prices

Boarding

8.3

Food

7.3

Comfort

8.1

Crew

8.7

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

JetBlue
7.6
Good
4,426 reviews
Southwest
8.2
Very good
6,009 reviews
Check prices

Boarding

8.3

Food

7.3

Comfort

8.1

Crew

8.7

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Porter Airlines
7.4
Good
410 reviews
Southwest
8.2
Very good
6,009 reviews
Check prices

Boarding

8.3

Food

7.3

Comfort

8.1

Crew

8.7

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
10,870 reviews
Southwest
8.2
Very good
6,009 reviews
Check prices

Boarding

8.3

Food

7.3

Comfort

8.1

Crew

8.7

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

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 $61, but on average you can expect to pay $73.

  • 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 $150.

  • 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 54 flights from Boston to Illinois a day.
    Morning (6am - Noon) - 44% of flight departures
    Afternoon (Noon - 6pm) - 33% of flight departures
    Evening (6pm - Midnight) - 22% of flight departures

  • How long is the flight from Boston to Illinois?

    Departing from Boston to Illinois will take you 2h 33m. There are 869 mi between Boston and Illinois. Most flights are nonstop.

  • 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 Spirit Airlines ($30), Frontier ($58), and American Airlines ($58).

  • 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 reliable airlines from Boston to Illinois?

    No one likes to see their flight delayed. When booking a flight from Boston to Illinois consider choosing Scandinavian Airlines (97%), ANA (96%) or Japan 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 $1,198, our data shows the cheapest flight currently is $86. 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 5/21.

  • 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.

  • When is the best time to book a flight from Boston to Illinois?

    Currently, February is the cheapest month in which you can book a flight from Boston to Illinois (average of $244). Flying from Boston to Illinois in June is currently the most expensive (average of $330). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 2,730,072 searches. Data last updated May 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$39Average$94FlexibilityNo cancel feeOn-time75%
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Spirit AirlinesCheapest$56Average$162FlexibilityNo cancel feeOn-time65%
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JetBlueCheapest$79Average$228FlexibilityNo cancel feeOn-time62%
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United AirlinesCheapest$89Average$401FlexibilityNo cancel feeOn-time69%
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FrontierCheapest$94Average$141FlexibilityNo cancel feeOn-time62%
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DeltaCheapest$98Average$389FlexibilityNo cancel feeOn-timeN/A
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American AirlinesCheapest$109Average$461FlexibilityNo 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 22, 2024.
13%of flight departuresEarly morningMidnight to 6 am
39%of flight departuresMorning6 am to noon
42%of flight departuresAfternoonNoon to 6 pm
6%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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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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