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Trenton

$54+ Cheap flights from Illinois to Trenton, NJ (TTN)

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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TTN
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Illinois to Trenton

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Trenton (TTN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$125
(CheapOair)

One-way from

$54
(Cheapflightsfares)
From Illinois to Trenton-Mercer
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One-way flight from Illinois to Trenton-Mercer
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Find flight deals from Illinois to Trenton

Cheapest flights from Illinois to Trenton
Explore the most affordable flight options available from Illinois to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Booking.com deal was found by Cheapflights users on 12/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/235:45 pmSTL - TTN
1 stop19h 11mFrontier
Tue 12/316:45 amTTN - STL
1 stop17h 43mFrontier
Deal found 12/17$318
This CheapOair deal was found by Cheapflights users on 12/17. 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.
Wed 12/186:55 amORD - TTN
1 stop23h 43mFrontier
Wed 12/258:32 amTTN - ORD
1 stop29h 52mFrontier
Deal found 12/17$468

Find flights from Illinois to Trenton within your budget

Customize your flight search to find flights from Illinois to Trenton 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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 1/9

10:35 am-11:57 pm

1 stop12h 22m

Trenton-Mercer

Fri 1/10

11:27 am-8:56 pm

1 stop10h 29m

$118

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Fri 2/7

5:05 pm-11:59 pm

1 stop5h 54m

Trenton-Mercer

Sun 2/9

6:00 am-11:31 pm

1 stop18h 31m

$158

St. LouisTrenton

STL - TTN

STLTTN

Lambert-St Louis

Mon 1/27

5:05 pm-11:59 pm

1 stop5h 54m

$54

ChicagoTrenton

ORD - TTN

ORDTTN

Chicago O'Hare Intl

Thu 1/23

10:33 am-11:59 pm

1 stop12h 26m

$60

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from Illinois to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from Illinois 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.

Travel insights for flights from Illinois to Trenton

Get recent, data-driven insights about flights from Illinois to Trenton including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Trenton, New Jersey (average of $73). Flying from Illinois to Trenton, New Jersey in July is currently the most expensive (average of $147). 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.

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

Find hourly flight availability from Illinois to Trenton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Trenton, New Jersey as you normally would.

Rainfall in Trenton by month

Plan your trip to Trenton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Trenton, New Jersey ranges from 2.9 - 4.8 inches per month. July is typically the wettest month, when rainfall can reach 4.8 in. February is typically the driest time to visit Trenton, New Jersey when rainfall is around 2.9 in.

Temperature in Trenton by month

Plan your trip to Trenton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Trenton, New Jersey, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Trenton

Get insights into the airlines that provide service to Trenton. 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 Trenton. Reviews last updated December 18, 2024.
Frontier
6.1
Okay
3,479 reviews

Crew

6.9

Entertainment

4.7

Boarding

6.4

Comfort

5.7

Food

4.9

Overall

6.1

Reviews

1 / 10

Nice crew. Good announcements from pilot. Late departure. No ramp crew upon arrival so we waited on the plane for 10 minutes before disembarking.

Frontier
6.1
Okay
3,479 reviews
Frontier
6.1
Okay
3,479 reviews

Crew

6.9

Entertainment

4.7

Boarding

6.4

Comfort

5.7

Food

4.9

Overall

6.1

Reviews

1 / 10

Nice crew. Good announcements from pilot. Late departure. No ramp crew upon arrival so we waited on the plane for 10 minutes before disembarking.

Related info for your journey

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

    Most people fly into Trenton-Mercer (TTN) if they book a flight to Trenton from Illinois. Trenton-Mercer is conveniently located just 4.8 mi from Trenton’s city center.

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Trenton, New Jersey (average of $73). Flying from Illinois to Trenton, New Jersey in July is currently the most expensive (average of $147). 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.

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Top airline flying from Illinois to Trenton

Discover the top airline that operate flights from Illinois to Trenton. 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$137FlexibilityNo cancel feeOn-time62%
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