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Cheap flights from Trenton (TTN) to Illinois from $58

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 5/29. 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.
TTN — ORD
May 15 — May 221
From?
To?
Wed 5/15
Wed 5/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 56 days in advance to save up to 102% 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 56 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 $276, or $423 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 June. Prices are generally better when you fly from Trenton, New Jersey to Illinois in February, with the cheapest ticket starting at $81.

When is the cheapest time to fly from Trenton, New Jersey to Illinois (TTN - 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 Frontier flights from Trenton to Illinois

Explore cheap flight options specifically provided by Frontier for the route between Trenton 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 2,717,708 searches. Data last updated May 10, 2024.
Sat 5/256:55 pmTTN - ORD
1 stop7h 03mFrontier
Tue 5/281:30 pmORD - TTN
1 stop20h 35mFrontier
Deal found 5/9$113
Sat 5/256:55 pmTTN - ORD
1 stop7h 03mFrontier
Tue 5/281:30 pmORD - TTN
1 stop20h 35mFrontier
Deal found 5/9$118
Sat 6/16:55 pmTTN - ORD
1 stop7h 03mFrontier
Tue 6/45:56 pmORD - TTN
1 stop13h 35mFrontier
Deal found 5/9$121
Mon 5/206:43 pmTTN - ORD
1 stop7h 25mFrontier
Thu 5/231:30 pmORD - TTN
1 stop19h 46mFrontier
Deal found 5/9$130
Mon 5/206:43 pmTTN - ORD
1 stop7h 25mFrontier
Tue 5/211:30 pmORD - TTN
1 stop20h 35mFrontier
Deal found 5/10$132
Sat 5/256:55 pmTTN - ORD
1 stop7h 03mFrontier
Thu 5/305:56 pmORD - TTN
1 stop17h 22mFrontier
Deal found 5/9$135
Tue 6/118:53 pmTTN - ORD
1 stop29h 15mFrontier
Tue 6/188:00 amORD - TTN
1 stop25h 43mFrontier
Deal found 5/9$137
Sat 5/256:55 pmTTN - ORD
1 stop7h 03mFrontier
Sun 5/261:30 pmORD - TTN
1 stop19h 46mFrontier
Deal found 5/9$138
Mon 6/1012:32 pmTTN - ORD
1 stop7h 13mFrontier
Tue 6/118:00 amORD - TTN
1 stop25h 43mFrontier
Deal found 5/10$142

Cheap Trenton to Illinois flights in May & June 2024

Find cheap flight options from Trenton 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 2,717,708 searches. Prices were last updated on May 10, 2024.
Sat 5/256:55 pmTTN - ORD
1 stop7h 03mFrontier
Tue 5/281:30 pmORD - TTN
1 stop20h 35mFrontier
Deal found 5/9$113
Sat 6/16:55 pmTTN - ORD
1 stop7h 03mFrontier
Tue 6/45:56 pmORD - TTN
1 stop13h 35mFrontier
Deal found 5/9$121
Mon 5/206:43 pmTTN - ORD
1 stop7h 25mFrontier
Thu 5/231:30 pmORD - TTN
1 stop19h 46mFrontier
Deal found 5/9$130
Mon 5/206:43 pmTTN - ORD
1 stop7h 25mFrontier
Tue 5/211:30 pmORD - TTN
1 stop20h 35mFrontier
Deal found 5/10$132
Sat 5/256:55 pmTTN - ORD
1 stop7h 03mFrontier
Thu 5/305:56 pmORD - TTN
1 stop17h 22mFrontier
Deal found 5/9$135
Tue 6/118:53 pmTTN - ORD
1 stop29h 15mFrontier
Tue 6/188:00 amORD - TTN
1 stop25h 43mFrontier
Deal found 5/9$137
Sat 5/256:55 pmTTN - ORD
1 stop7h 03mFrontier
Sun 5/261:30 pmORD - TTN
1 stop19h 46mFrontier
Deal found 5/9$138
Mon 6/1012:32 pmTTN - ORD
1 stop7h 13mFrontier
Tue 6/118:00 amORD - TTN
1 stop25h 43mFrontier
Deal found 5/10$142
Sat 5/1810:28 amTTN - ORD
1 stop6h 56mFrontier
Tue 5/211:30 pmORD - TTN
1 stop20h 35mFrontier
Deal found 5/9$144

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 2,717,708 searches. Data last updated May 10, 2024.
Sat 5/256:55 pmTTN - ORD
1 stop7h 03mFrontier
Tue 5/281:30 pmORD - TTN
1 stop20h 35mFrontier
Deal found 5/9$113
Sat 6/16:55 pmTTN - ORD
1 stop7h 03mFrontier
Tue 6/45:56 pmORD - TTN
1 stop13h 35mFrontier
Deal found 5/9$121
Mon 5/206:43 pmTTN - ORD
1 stop7h 25mFrontier
Thu 5/231:30 pmORD - TTN
1 stop19h 46mFrontier
Deal found 5/9$130
Mon 5/206:43 pmTTN - ORD
1 stop7h 25mFrontier
Tue 5/211:30 pmORD - TTN
1 stop20h 35mFrontier
Deal found 5/10$132
Sat 5/256:55 pmTTN - ORD
1 stop7h 03mFrontier
Thu 5/305:56 pmORD - TTN
1 stop17h 22mFrontier
Deal found 5/9$135
Tue 6/118:53 pmTTN - ORD
1 stop29h 15mFrontier
Tue 6/188:00 amORD - TTN
1 stop25h 43mFrontier
Deal found 5/9$137
Sat 5/256:55 pmTTN - ORD
1 stop7h 03mFrontier
Sun 5/261:30 pmORD - TTN
1 stop19h 46mFrontier
Deal found 5/9$138
Mon 6/1012:32 pmTTN - ORD
1 stop7h 13mFrontier
Tue 6/118:00 amORD - TTN
1 stop25h 43mFrontier
Deal found 5/10$142
Sat 5/1810:28 amTTN - ORD
1 stop6h 56mFrontier
Tue 5/211:30 pmORD - TTN
1 stop20h 35mFrontier
Deal found 5/9$144

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 2,717,708 searches. Data last updated May 10, 2024.
Mon 5/206:43 pmTTN - ORD
1 stop7h 25mFrontier
Thu 5/231:30 pmORD - TTN
1 stop19h 46mFrontier
Deal found 5/9$130
Mon 5/206:43 pmTTN - ORD
1 stop7h 25mFrontier
Tue 5/211:30 pmORD - TTN
1 stop20h 35mFrontier
Deal found 5/10$132
Sat 5/1810:28 amTTN - ORD
1 stop6h 56mFrontier
Tue 5/211:30 pmORD - TTN
1 stop20h 35mFrontier
Deal found 5/9$144
Sat 5/1810:28 amTTN - ORD
1 stop6h 56mFrontier
Mon 5/205:56 pmORD - TTN
1 stop12h 42mFrontier
Deal found 5/9$164
Mon 5/206:43 pmTTN - STL
1 stop13h 25mFrontier
Wed 5/229:10 pmSTL - TTN
1 stop17h 03mFrontier
Deal found 5/9$198
Mon 5/206:43 pmTTN - ORD
1 stop7h 25mFrontier
Wed 5/225:56 pmORD - TTN
1 stop20h 17mFrontier
Deal found 5/9$200
Fri 5/179:23 pmTTN - ORD
1 stop28h 35mFrontier
Mon 5/205:56 pmORD - TTN
1 stop12h 42mFrontier
Deal found 5/8$211
Sun 5/193:58 pmTTN - ORD
1 stop10h 10mFrontier
Sun 6/25:56 pmORD - TTN
1 stop17h 27mFrontier
Deal found 5/9$212
Wed 5/159:59 pmTTN - ORD
1 stop28h 09mFrontier
Mon 5/205:56 pmORD - TTN
1 stop12h 42mFrontier
Deal found 5/9$220

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 2,717,708 searches. Data last updated May 10, 2024.
Wed 5/296:43 pmTTN - ORD
1 stop7h 25mFrontier
Deal found 5/9$58
Wed 5/2211:04 amTTN - ORD
1 stop8h 41mFrontier
Deal found 5/9$60
Wed 5/2911:04 amTTN - ORD
1 stop8h 41mFrontier
Deal found 5/10$63
Tue 6/118:53 pmTTN - ORD
1 stop29h 15mFrontier
Deal found 5/10$64
Wed 8/141:03 pmTTN - ORD
1 stop6h 39mFrontier
Deal found 5/9$69
Wed 6/1212:57 pmTTN - ORD
1 stop6h 48mFrontier
Deal found 5/10$74
Mon 5/206:43 pmTTN - ORD
1 stop7h 25mFrontier
Deal found 5/9$75
Mon 8/1212:52 pmTTN - ORD
1 stop6h 50mFrontier
Deal found 5/9$77
Fri 6/712:57 pmTTN - ORD
1 stop6h 48mFrontier
Deal found 5/9$78

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 2,717,708 searches. Data last updated May 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$113 - $142

Route

Depart

Return

Price

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Sat 5/25

1 stop7h 03m

Chicago O'Hare Intl

Tue 5/28

1 stop20h 35m

$113

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Sat 5/25

1 stop7h 03m

Chicago O'Hare Intl

Tue 5/28

1 stop20h 35m

$118

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Sat 6/1

1 stop7h 03m

Chicago O'Hare Intl

Tue 6/4

1 stop13h 35m

$121

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Mon 5/20

1 stop7h 25m

Chicago O'Hare Intl

Thu 5/23

1 stop19h 46m

$130

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Mon 5/20

1 stop7h 25m

Chicago O'Hare Intl

Tue 5/21

1 stop20h 35m

$132

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Sat 5/25

1 stop7h 03m

Chicago O'Hare Intl

Thu 5/30

1 stop17h 22m

$135

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Tue 6/11

1 stop29h 15m

Chicago O'Hare Intl

Tue 6/18

1 stop25h 43m

$137

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Sat 5/25

1 stop7h 03m

Chicago O'Hare Intl

Sun 5/26

1 stop19h 46m

$138

Trenton-MercerChicago O'Hare Intl

TTN - ORD

TTNORD

Trenton-Mercer

Mon 6/10

1 stop7h 13m

Chicago O'Hare Intl

Tue 6/11

1 stop25h 43m

$142

Flights are sorted by cheapest first

Deals found on 5/9

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 10, 2024.
Frontier
6.3
Okay
4,085 reviews
Check prices

Comfort

5.8

Crew

7.1

Food

5.2

Boarding

6.6

Overall

6.3

Entertainment

4.9

Reviews

1 / 10

Check-in experience left a LOT to be desired. I had tried to check in online but couldn't figure out how to navigate the required steps. So, we got to the airport in plenty of time to check in at the counter. But once there (and my friend and I were the ONLY people at the counter at that time) the counter agents--all four of them--seemed to have difficulty in getting us our boarding passes. AND, they charged us $25 apiece for doing it. We were not at all happy about this.

Frontier
6.3
Okay
4,085 reviews
Frontier
6.3
Okay
4,085 reviews
Check prices

Comfort

5.8

Crew

7.1

Food

5.2

Boarding

6.6

Overall

6.3

Entertainment

4.9

Reviews

1 / 10

Check-in experience left a LOT to be desired. I had tried to check in online but couldn't figure out how to navigate the required steps. So, we got to the airport in plenty of time to check in at the counter. But once there (and my friend and I were the ONLY people at the counter at that time) the counter agents--all four of them--seemed to have difficulty in getting us our boarding passes. AND, they charged us $25 apiece for doing it. We were not at all happy about this.

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 $113, but on average you can expect to pay $141.

  • Are there last-minute flights available from Trenton, New Jersey to Illinois for under $200?

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

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

    Most travelers choose Trenton-Mercer - Chicago O'Hare Intl, Trenton-Mercer - Lambert-St Louis or Trenton-Mercer - Chicago Greater Rockford when deciding on the best route 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 5/10.

See more FAQs

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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 2,717,708 searches. Data last updated May 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$124FlexibilityNo cancel feeOn-time62%
Search Frontier flights
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Search flights from Trenton to Illinois by cabin class

Find flights from Trenton to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
Prem Econ Class
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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 Trenton to Illinois?

Deals for Trenton to Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Trenton 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 Trenton.

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

Need flexible booking options for your flight to Illinois from Trenton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Trenton to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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