$237 Cheap Flights from Trenton (TTN) to Lexington (LEX)

View $237 flight on Tue, Nov 25, 2025Opens in a new window

Popular airlines from Trenton–Mercer Airport (TTN) to Blue Grass Airport (LEX)

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Cheap Flights from Trenton to Lexington (TTN-LEX)

Prices were available within the past 7 days and start at $237 for one-way flights and $399 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Oct 31 - Sat, Nov 1
TTN
Trenton
LEX
Lexington
$399 Roundtrip, found 3 days ago
$399
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Oct 31 from Trenton to Lexington, returning Sat, Nov 1, priced at $399 found 3 days ago
American Airlines
Sat, Oct 25 - Wed, Oct 29
TTN
Trenton
LEX
Lexington
$432 Roundtrip, found 4 days ago
$432
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct 25 from Trenton to Lexington, returning Wed, Oct 29, priced at $432 found 4 days ago
American Airlines
Thu, Mar 19 - Tue, Mar 24
TTN
Trenton
LEX
Lexington
$438 Roundtrip, found 13 hours ago
$438
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Mar 19 from Trenton to Lexington, returning Tue, Mar 24, priced at $438 found 13 hours ago
American Airlines
Thu, Feb 26 - Sun, Mar 1
TTN
Trenton
LEX
Lexington
$448 Roundtrip, found 5 days ago
$448
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Feb 26 from Trenton to Lexington, returning Sun, Mar 1, priced at $448 found 5 days ago
American Airlines
Fri, Oct 31 - Sat, Nov 1
TTN
Trenton
LEX
Lexington
$459 Roundtrip, found 2 days ago
$459
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 31 from Trenton to Lexington, returning Sat, Nov 1, priced at $459 found 2 days ago
American Airlines
Thu, Mar 19 - Tue, Mar 24
TTN
Trenton
LEX
Lexington
$491 Roundtrip, found 2 days ago
$491
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Mar 19 from Trenton to Lexington, returning Tue, Mar 24, priced at $491 found 2 days ago
American Airlines
Thu, Feb 26 - Sun, Mar 1
TTN
Trenton
LEX
Lexington
$507 Roundtrip, found 5 days ago
$507
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Feb 26 from Trenton to Lexington, returning Sun, Mar 1, priced at $507 found 5 days ago
American Airlines
Thu, May 28 - Sun, May 31
TTN
Trenton
LEX
Lexington
$508 Roundtrip, found 4 days ago
$508
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, May 28 from Trenton to Lexington, returning Sun, May 31, priced at $508 found 4 days ago
American Airlines
Thu, May 28 - Sun, May 31
TTN
Trenton
LEX
Lexington
$519 Roundtrip, found 4 days ago
$519
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, May 28 from Trenton to Lexington, returning Sun, May 31, priced at $519 found 4 days ago
American Airlines
Sat, Oct 25 - Mon, Oct 27
TTN
Trenton
LEX
Lexington
$531 Roundtrip, found 2 days ago
$531
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Oct 25 from Trenton to Lexington, returning Mon, Oct 27, priced at $531 found 2 days ago

Frequently asked questions

How much does a flight from Mercer Airport (TTN) to Blue Grass Airport (LEX) cost?
Grab a cheap one-way flight from $237 or cheap return flight from $399 from Mercer Airport (TTN) to Blue Grass Airport (LEX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Mercer Airport (TTN) to Blue Grass Airport (LEX)?
The cheapest month to fly from TTN to LEX is October, when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Mercer Airport (TTN) to Blue Grass Airport (LEX)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from TTN to LEX. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Mercer Airport (TTN) to Blue Grass Airport (LEX)?
There aren't any daily nonstop flights available from Mercer Airport (TTN) to Blue Grass Airport (LEX). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from TTN to LEX?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mercer Airport (TTN) to Blue Grass Airport (LEX)?
Opt for a flight from Mercer Airport (TTN) to Blue Grass Airport (LEX) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Mercer Airport (TTN) to Blue Grass Airport (LEX) last-minute?
Booking your flight from TTN to LEX just before your getaway is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a TTN to LEX flight and hotel package?
Compared with arranging hotels and flights separately, booking a TTN to LEX flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the stress out of travel planning. Just secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Mercer Airport (TTN) to Blue Grass Airport (LEX)?
In most cases, you can cancel or modify your TTN to LEX flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, visit our Customer Service portal.

Travel information

Origin airport
Mercer
Destination airport
Blue Grass
Airlines serving
American Airlines
Roundtrip price
$398
Distance
545 mi

Book with confidence

Trenton to Lexington Flights

The cheapest times to fly from Trenton to Lexington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Trenton to Lexington are during the month of October. You can find some of the cheapest flights from Trenton to Lexington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trenton to Lexington

Sunday is one of the best days to book for cheap flights from Trenton to Lexington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Trenton to Lexington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Trenton to Lexington in 2025. You can also book with separate airlines for your outbound and return journeys, from $237 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Trenton to Lexington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Trenton to Lexington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Trenton to Lexington Flights

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*Available to One Key members.