$123 Cheap flights from O'Hare Intl. to Mercer (ORD to TTN)

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Find The Best Dates To Fly from O'Hare Intl. to Mercer

Compare Flight Prices from Chicago to Trenton

Affordable Airfare Tickets from ORD to TTN Airport

The cheapest flights to Mercer found within the past 7 days were $249 round trip and $123 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Aug 13 - Mon, Aug 18
ORD
Chicago
TTN
Trenton
$249 Roundtrip, found 3 days ago
$249
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Aug 13 from Chicago to Trenton, returning Mon, Aug 18, priced at $249 found 3 days ago
Thu, Aug 21 - Sun, Aug 24
ORD
Chicago
TTN
Trenton
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Aug 21 from Chicago to Trenton, returning Sun, Aug 24, priced at $249 found 6 days ago
Mon, Jul 21 - Fri, Jul 25
ORD
Chicago
TTN
Trenton
$250 Roundtrip, found 4 days ago
$250
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Chicago to Trenton, returning Fri, Jul 25, priced at $250 found 4 days ago
Mon, Jul 28 - Mon, Jul 28
ORD
Chicago
TTN
Trenton
$253 Roundtrip, found 2 days ago
$253
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Jul 28 from Chicago to Trenton, returning Mon, Jul 28, priced at $253 found 2 days ago
Mon, Jul 14 - Mon, Jul 21
ORD
Chicago
TTN
Trenton
$255 Roundtrip, found 2 days ago
$255
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Jul 14 from Chicago to Trenton, returning Mon, Jul 21, priced at $255 found 2 days ago
Fri, Aug 8 - Mon, Aug 11
ORD
Chicago
TTN
Trenton
$257 Roundtrip, found 2 days ago
$257
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Aug 8 from Chicago to Trenton, returning Mon, Aug 11, priced at $257 found 2 days ago
Fri, Aug 1 - Sat, Aug 2
ORD
Chicago
TTN
Trenton
$258 Roundtrip, found 2 days ago
$258
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Aug 1 from Chicago to Trenton, returning Sat, Aug 2, priced at $258 found 2 days ago
Fri, Oct 3 - Mon, Oct 6
ORD
Chicago
TTN
Trenton
$260 Roundtrip, found 4 days ago
$260
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Oct 3 from Chicago to Trenton, returning Mon, Oct 6, priced at $260 found 4 days ago
Thu, Aug 21 - Sat, Aug 30
ORD
Chicago
TTN
Trenton
$260 Roundtrip, found 4 days ago
$260
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Aug 21 from Chicago to Trenton, returning Sat, Aug 30, priced at $260 found 4 days ago
Fri, Aug 1 - Fri, Aug 8
ORD
Chicago
TTN
Trenton
$261 Roundtrip, found 2 days ago
$261
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Aug 1 from Chicago to Trenton, returning Fri, Aug 8, priced at $261 found 2 days ago

Mercer flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
MHO Hotel Bordentown

MHO Hotel Bordentown

2 out of 5
per person
Aug 22 - Aug 25
found 1 day ago
Roundtrip non-stop flight included
Chicago (MDW) to Trenton (TTN)
Holiday Inn Express Bordentown - Trenton South by IHG

Holiday Inn Express Bordentown - Trenton South by IHG

2.5 out of 5
per person
Aug 22 - Aug 25
found 1 day ago
Roundtrip non-stop flight included
Chicago (MDW) to Trenton (TTN)
Candlewood Suites Bordentown-Trenton by IHG

Candlewood Suites Bordentown-Trenton by IHG

2.5 out of 5
per person
Aug 22 - Aug 25
found 1 day ago
Roundtrip non-stop flight included
Chicago (MDW) to Trenton (TTN)
Motel 6 Lawrenceville, NJ

Motel 6 Lawrenceville, NJ

2 out of 5
per person
Aug 22 - Aug 25
found 1 day ago
Roundtrip non-stop flight included
Chicago (MDW) to Trenton (TTN)
Courtyard by Marriott Ewing Princeton

Courtyard by Marriott Ewing Princeton

3 out of 5
per person
Aug 22 - Aug 25
found 1 day ago
Roundtrip non-stop flight included
Chicago (MDW) to Trenton (TTN)
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Frequently asked questions

Can I catch a flight from O'Hare Intl. Airport (ORD) to Trenton--Mercer Airport right now?
For info on any present Mercer Airport (TTN) travel advice and quarantine requirements, go to our Covid-19 Travel Advisor. Look before you arrange your flight, so you don't get caught out.
Are there direct flights from ORD to TTN?
Wander wisely and book a direct flight from ORD to TTN with Frontier Airlines. This airline is the perfect choice if you're hoping to travel to Trenton in the shortest possible time.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Trenton--Mercer Airport, please visit our Customer Service Portal.
How long is the flight from ORD to TTN?
With the flight from Chicago to Trenton taking on average 5 hours and 2 minutes, there will be time to get things done in the air. Make good use of your trip by bringing that book you've always wanted to read, seeing what in-flight entertainment is on offer or having a decent nap. You might even find you can squeeze in all three before the plane lands.
What is the flight distance from O'Hare Airport to Trenton--Mercer Airport?
There's a flight distance of 690 mi between ORD and TTN. Take advantage of the flight to jot down all the popular sightseeing places you want to visit and how you're going to get there. A detailed itinerary is key to having a stress-free vacation.
What airlines fly from ORD to Trenton--Mercer Airport?
If you're looking for an airline company that offers direct flights from Chicago to Trenton and rates highly with many travelers, try Frontier Airlines. They offer 21 services on this route each month.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from Chicago to Trenton

 

Traveling From
O'Hare Intl.
Traveling To
Mercer
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$249

Discover our best flights from Chicago ORD to Trenton TTN. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Chicago ORD to Trenton TTN at the right price  

Airfares to Trenton TTN from Chicago ORD currently cost between $249 and $261. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Chicago ORD to Trenton TTN 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Chicago ORD to Trenton TTN on Travelocity starting at $123. Prices and availability subject to change. Additional terms may apply. 

 

Get to Trenton TTN from Chicago ORD quicker with direct flights. 

Get to Trenton faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to TTN from ORD to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from Chicago ORD to Trenton TTN

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to TTN from ORD. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Chicago ORD to Trenton TTN today 

If you’re flexible about when you travel, August is usually the cheapest month to fly from Chicago ORD to Trenton TTN. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Trenton TTN from Chicago ORD 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to TTN from ORD have this option.  

 

Travel with confidence when you book flights to Trenton TTN from Chicago ORD with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.