$54 Cheap flights from Mercer to O'Hare Intl. (TTN to ORD)

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

Amazing TTN to ORD Flight Deals

The cheapest flights to O'Hare Intl. found within the past 7 days were $117 round trip and $54 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Jun 5 - Tue, Jun 11
TTN
Trenton
ORD
Chicago
$117 Roundtrip, found 3 days ago
$117
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Jun 5 from Trenton to Chicago, returning Tue, Jun 11, priced at $117 found 3 days ago
Wed, Sep 4 - Wed, Sep 11
TTN
Trenton
ORD
Chicago
$126 Roundtrip, just found
$126
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 4 from Trenton to Chicago, returning Wed, Sep 11, priced at $126 just found
Wed, Aug 28 - Tue, Sep 3
TTN
Trenton
ORD
Chicago
$138 Roundtrip, found 10 hours ago
$138
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Wed, Aug 28 from Trenton to Chicago, returning Tue, Sep 3, priced at $138 found 10 hours ago
Wed, Jun 5 - Wed, Jun 19
TTN
Trenton
ORD
Chicago
$140 Roundtrip, found 3 days ago
$140
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Jun 5 from Trenton to Chicago, returning Wed, Jun 19, priced at $140 found 3 days ago
Wed, Sep 11 - Tue, Sep 17
TTN
Trenton
ORD
Chicago
$142 Roundtrip, found 5 days ago
$142
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Sep 11 from Trenton to Chicago, returning Tue, Sep 17, priced at $142 found 5 days ago
Mon, Jun 3 - Tue, Jun 4
TTN
Trenton
ORD
Chicago
$146 Roundtrip, found 3 days ago
$146
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jun 3 from Trenton to Chicago, returning Tue, Jun 4, priced at $146 found 3 days ago
Tue, Jun 11 - Tue, Jun 25
TTN
Trenton
ORD
Chicago
$148 Roundtrip, found 4 days ago
$148
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Jun 11 from Trenton to Chicago, returning Tue, Jun 25, priced at $148 found 4 days ago
Mon, Jun 3 - Tue, Jun 11
TTN
Trenton
ORD
Chicago
$154 Roundtrip, found 3 days ago
$154
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jun 3 from Trenton to Chicago, returning Tue, Jun 11, priced at $154 found 3 days ago
Wed, Sep 11 - Wed, Sep 18
TTN
Trenton
ORD
Chicago
$155 Roundtrip, found 5 days ago
$155
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Sep 11 from Trenton to Chicago, returning Wed, Sep 18, priced at $155 found 5 days ago
Wed, Aug 21 - Tue, Aug 27
TTN
Trenton
ORD
Chicago
$156 Roundtrip, found 1 day ago
$156
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Aug 21 from Trenton to Chicago, returning Tue, Aug 27, priced at $156 found 1 day ago

Frequently asked questions

Can I catch a flight from Trenton--Mercer Airport to O'Hare Intl. Airport (ORD) right now?
Ensure you visit the Covid-19 Travel Advisor to discover if there are any current travel advice reports or quarantine requirements in place in O’Hare Intl. Airport (ORD) when flying from Trenton–Mercer Airport.
Are there direct flights from Trenton--Mercer Airport to ORD?
For direct flights from TTN to ORD, look up Frontier Airlines. This airline is the one for you if you want to fly from A to B fast.
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 O’Hare Intl. Airport (ORD), please visit our Customer Service Portal.
How long is the flight from Trenton--Mercer Airport to O'Hare Intl. Airport (ORD)?
The flight time between Trenton–Mercer Airport and O’Hare Intl. Airport (ORD) is ordinarily around 5 hours and 20 minutes. Make your trip more comfortable by downloading a few shows on your tablet or laptop and enjoying them with your seat fully reclined.
What is the flight distance from TTN to ORD?
From Mercer Airport (TTN), you’ll travel 690 mi before arriving at O’Hare Airport. That should be enough time to finish a few chapters of your book or perhaps even manage a quick power nap.
What airlines fly from Mercer Airport (TTN) to ORD?
Ready to book the airfare for your next exciting adventure? Want to travel from Trenton–Mercer Airport to O’Hare Intl. Airport (ORD) in the shortest possible time? Step aboard one of the 21 nonstop flights offered by Frontier Airlines every month, and you’ll be touching down before you can utter ‘Are we there yet?’
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with United Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
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.

 

Traveling From
Mercer
Traveling To
O'Hare Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$117

Route Info

Flight path for flights from Trenton-Mercer Airport to O'Hare International Airport.


Origin:
TTN - Trenton-Mercer Airport
Destination:
ORD - O'Hare International Airport
Distance:
694.00 miles


Discover our best flights from Trenton TTN to Chicago ORD. 

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 Trenton TTN to Chicago ORD at the right price  

Airfares to Chicago ORD from Trenton TTN currently cost between $117 and $156. 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 Trenton TTN to Chicago ORD 

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 Trenton TTN to Chicago ORD on Travelocity starting at $54. Prices and availability subject to change. Additional terms may apply. 

 

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

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

 

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

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to ORD from TTN. 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 Trenton TTN to Chicago ORD today 

If you’re flexible about when you travel, June is usually the cheapest month to fly from Trenton TTN to Chicago ORD. 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 Chicago ORD from Trenton TTN 

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

 

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

Popular Flight Routes from Trenton (TTN)

Travelers at TTN love to visit these top cities. Roam to the top destinations from Trenton (TTN) today with the cheap prices from Travelocity!

*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.