$65+ Cheap flights from Trenton (TTN) to Illinois

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — ORD
jul. 27 — ago. 31

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How far in advance should I book a flight from Trenton, New Jersey to Illinois?

Travelers have found it’s best to book a flight 51 days in advance to save up to 113% 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 51 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 Trenton, New Jersey to Illinois 1-2 weeks in advance for as low as $257, or $395 for flights within the next 24 hours.

What is the cheapest month to fly from Trenton, New Jersey to Illinois?

Flights from Trenton, New Jersey to Illinois lean towards being more expensive in December. Prices are generally better when you fly from Trenton, New Jersey to Illinois in January, with the cheapest ticket starting at $86.

What is the cheapest time of day to fly from TTN to IL?

When flying from Trenton, New Jersey 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 Trenton to Illinois flights in July & August 2024

Find cheap flight options from Trenton to Illinois specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,674,588 searches. Prices were last updated on julio 22, 2024.
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/146:00 amTTN - ORD
1 stop11h 44mFrontier
mié. 8/215:24 pmORD - TTN
1 stop13h 58mFrontier
Deal found 7/21$133
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/146:00 amTTN - ORD
1 stop11h 44mFrontier
sáb. 8/1712:05 pmORD - TTN
1 stop10h 46mFrontier
Deal found 7/21$140
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1212:30 pmTTN - ORD
1 stop7h 07mFrontier
sáb. 8/176:48 pmORD - TTN
1 stop11h 49mFrontier
Deal found 7/22$146
This mytrip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1212:30 pmTTN - ORD
1 stop7h 07mFrontier
mié. 8/145:24 pmORD - TTN
1 stop13h 58mFrontier
Deal found 7/22$148
This Orbitz deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/286:00 amTTN - ORD
1 stop11h 44mFrontier
sáb. 8/3112:05 pmORD - TTN
1 stop10h 46mFrontier
Deal found 7/21$149
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/56:00 amTTN - ORD
1 stop11h 47mFrontier
jue. 8/87:12 pmORD - TTN
1 stop12h 22mFrontier
Deal found 7/21$153
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/146:00 amTTN - ORD
1 stop11h 44mFrontier
vie. 8/163:28 pmORD - TTN
1 stop7h 27mFrontier
Deal found 7/22$154
This mytrip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1910:00 pmTTN - STL
1 stop11h 43mFrontier
mar. 8/207:35 pmSTL - TTN
1 stop14h 00mFrontier
Deal found 7/22$155
This mytrip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1212:30 pmTTN - ORD
1 stop7h 07mFrontier
jue. 8/151:15 pmORD - TTN
1 stop20h 38mFrontier
Deal found 7/22$155

Trenton to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Trenton and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,674,588 searches. Data last updated julio 22, 2024.
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/146:00 amTTN - ORD
1 stop11h 44mFrontier
mié. 8/215:24 pmORD - TTN
1 stop13h 58mFrontier
Deal found 7/21$133
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/46:37 pmTTN - ORD
1 stop6h 39mFrontier
vie. 9/68:26 pmORD - TTN
1 stop11h 09mFrontier
Deal found 7/22$134
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/146:00 amTTN - ORD
1 stop11h 44mFrontier
sáb. 8/1712:05 pmORD - TTN
1 stop10h 46mFrontier
Deal found 7/21$140
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/251:03 pmTTN - ORD
1 stop6h 39mFrontier
dom. 10/277:59 pmORD - TTN
1 stop11h 22mFrontier
Deal found 7/20$142
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/46:00 amTTN - ORD
1 stop11h 44mFrontier
mié. 9/1112:00 pmORD - TTN
1 stop19h 35mFrontier
Deal found 7/21$144
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1212:30 pmTTN - ORD
1 stop7h 07mFrontier
sáb. 8/176:48 pmORD - TTN
1 stop11h 49mFrontier
Deal found 7/22$146
This mytrip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1212:30 pmTTN - ORD
1 stop7h 07mFrontier
mié. 8/145:24 pmORD - TTN
1 stop13h 58mFrontier
Deal found 7/22$148
This Orbitz deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/286:00 amTTN - ORD
1 stop11h 44mFrontier
sáb. 8/3112:05 pmORD - TTN
1 stop10h 46mFrontier
Deal found 7/21$149
This Travelocity deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/46:00 amTTN - ORD
1 stop11h 44mFrontier
sáb. 9/76:48 pmORD - TTN
1 stop11h 50mFrontier
Deal found 7/21$150

Trenton to Illinois flights leaving soon

Find last-minute flight options from Trenton 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 2,674,588 searches. Data last updated julio 22, 2024.
This mytrip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/2910:36 amTTN - ORD
1 stop7h 11mFrontier
mar. 7/305:37 pmORD - TTN
1 stop13h 57mFrontier
Deal found 7/22$229
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/311:00 pmTTN - ORD
1 stop6h 43mFrontier
vie. 8/25:57 pmORD - TTN
1 stop13h 15mFrontier
Deal found 7/21$234
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/299:36 pmTTN - STL
1 stop12h 00mFrontier
mar. 7/307:33 pmSTL - TTN
1 stop12h 01mFrontier
Deal found 7/22$308
This KAYAK deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/311:00 pmTTN - ORD
1 stop6h 43mFrontier
sáb. 8/38:00 amORD - TTN
1 stop10h 50mFrontier
Deal found 7/21$314
This Expedia deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/311:00 pmTTN - ORD
1 stop6h 43mFrontier
lun. 8/511:44 amORD - TTN
1 stop7h 06mFrontier
Deal found 7/21$324
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/299:36 pmTTN - STL
1 stop12h 00mFrontier
jue. 8/17:33 pmSTL - TTN
1 stop12h 01mFrontier
Deal found 7/22$368
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/19:19 amTTN - ORD
1 stop9h 48mFrontier
sáb. 8/38:00 amORD - TTN
1 stop10h 50mFrontier
Deal found 7/21$368
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/288:23 amTTN - ORD
1 stop10h 31mFrontier
mar. 7/305:37 pmORD - TTN
1 stop13h 57mFrontier
Deal found 7/21$374
This Travelocity deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/2910:36 amTTN - ORD
1 stop7h 11mFrontier
jue. 8/17:12 pmORD - TTN
1 stop12h 22mFrontier
Deal found 7/21$378

One-way flights to Illinois from Trenton

Search for one-way flight options from Trenton 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 2,674,588 searches. Data last updated julio 22, 2024.
This mytrip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/181:03 pmTTN - ORD
1 stop6h 39mFrontier
Deal found 7/22$65
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/286:00 amTTN - ORD
1 stop11h 44mFrontier
Deal found 7/21$68
This mytrip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/59:20 amTTN - ORD
1 stop8h 33mFrontier
Deal found 7/22$70
This Priceline deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/161:03 pmTTN - ORD
1 stop6h 39mFrontier
Deal found 7/21$75
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/146:00 amTTN - ORD
1 stop11h 44mFrontier
Deal found 7/21$76
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/512:30 pmTTN - ORD
1 stop7h 07mFrontier
Deal found 7/21$77
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/412:52 pmTTN - ORD
1 stop6h 50mFrontier
Deal found 7/21$81
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1910:00 pmTTN - ORD
1 stop25h 28mFrontier
Deal found 7/21$82
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/210:00 pmTTN - STL
1 stop11h 43mFrontier
Deal found 7/21$83

Find flights from Trenton to Illinois within your budget

Customize your flight search to find flights from Trenton 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 2,674,588 searches. Data last updated julio 22, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$133 - $153

Route

Depart

Return

Price

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

mié. 8/14

1 stop11h 44m

Chicago O'Hare Intl

mié. 8/21

1 stop13h 58m

$133

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

mié. 9/4

1 stop6h 39m

Chicago O'Hare Intl

vie. 9/6

1 stop11h 09m

$134

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

mié. 8/14

1 stop11h 44m

Chicago O'Hare Intl

sáb. 8/17

1 stop10h 46m

$140

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

vie. 10/25

1 stop6h 39m

Chicago O'Hare Intl

dom. 10/27

1 stop11h 22m

$142

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

mié. 9/4

1 stop11h 44m

Chicago O'Hare Intl

mié. 9/11

1 stop19h 35m

$144

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

lun. 8/12

1 stop7h 07m

Chicago O'Hare Intl

sáb. 8/17

1 stop10h 46m

$146

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

mié. 8/28

1 stop11h 44m

Chicago O'Hare Intl

sáb. 8/31

1 stop10h 46m

$149

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

mié. 9/4

1 stop11h 44m

Chicago O'Hare Intl

sáb. 9/7

1 stop11h 50m

$150

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

lun. 8/5

1 stop11h 47m

Chicago O'Hare Intl

jue. 8/8

1 stop12h 22m

$153

Flights are sorted by cheapest first

Deals found on 7/21

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

Best time to book a flight from Trenton to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Trenton 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 julio 22, 2024.
6.2
Okay
3,847 reviews

Comfort

5.8

Crew

7.0

Entertainment

4.8

Overall

6.2

Food

5.1

Boarding

6.5

Reviews

1 / 10

I'd thought there would be a complimentary drink atleast.

6.2
Okay
3,847 reviews
6.2
Okay
3,847 reviews

Comfort

5.8

Crew

7.0

Entertainment

4.8

Overall

6.2

Food

5.1

Boarding

6.5

Reviews

1 / 10

I'd thought there would be a complimentary drink atleast.

Related info for your journey

Find useful and relevant information for your journey from Trenton 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 Trenton to Illinois?

    For a flight from Trenton to Illinois, you will be flying from Trenton-Mercer. Trenton-Mercer (TTN) is just 4.8 mi from the center of the city.

  • Can I find flights from Trenton, New Jersey to Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from Trenton, New Jersey to Illinois for under $200. The cheapest flight booked recently is on Frontier for just $133, but on average you can expect to pay $155.

  • Are there last-minute flights available from Trenton, New Jersey to Illinois for under $300?

    There are currently 15+ open flights from Trenton, New Jersey to Illinois within the next 7 days for less than $300.

  • What are the most popular routes from Trenton, New Jersey to Illinois?

  • What does TTN to ORD mean?

    TTN and ORD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. TTN to ORD refers to a flight route from Trenton-Mercer Airport to Chicago O'Hare Intl Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI).

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

    The amount of baggage you can bring on your Trenton 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 Trenton to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Trenton 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 Trenton to Illinois that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Trenton 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 Trenton to Illinois that allow pets onboard?

    Many airlines flying from Trenton 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 Trenton to Illinois?

    Yes, you can often find last-minute deals on Trenton 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 Trenton, New Jersey to Illinois flight deals updated?

    The Trenton, New Jersey to Illinois flight deals you see on this page were last updated on 7/22.

  • What is the cheapest month to book a flight from Trenton, New Jersey to Illinois?

    Currently, February is the cheapest month in which you can book a flight from Trenton, New Jersey to Illinois (average of $244). Flying from Trenton, New Jersey to Illinois in June is currently the most expensive (average of $308). 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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Alternative routes for Trenton to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Trenton to Illinois

Discover the top airline that operate flights from Trenton 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 2,674,588 searches. Data last updated julio 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$120FlexibilityNo cancel feeOn-time62%

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