Title: Cheap Flights to Mercer County - Expedia.co.uk ![Old Barracks Museum featuring a house, heritage elements and interior views](https://images.trvl-media.com/place/6093621/b28a6194-9286-456e-b0c3-d28989be7967.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6093621/b28a6194-9286-456e-b0c3-d28989be7967.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Mercer County - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Mercer County Hotels](https://expedia.co.uk/Destinations-In-Mercer-County.d553248635083909418.Hotel-Destinations)[Holiday Rentals in Mercer County](https://expedia.co.uk/Destinations-In-Mercer-County.d553248635083909418.Holiday-Rental-Destinations)[Mercer County Car Hire](https://expedia.co.uk/Destinations-In-Mercer-County.d553248635083909418.Car-Hire-Destinations)[Mercer County Holidays](https://expedia.co.uk/Mercer-County.d553248635083909418.Holidays-City-Breaks) ## Popular airlines to Mercer County - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines - ![JetBlue Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways - ![KLM](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg) KLM - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Top tips for booking flights to Mercer County from UK ### Get ready to fly to Mercer County Prepare your luggage and book your flights to Mercer County with Expedia. We offer a seamless flight booking experience, with a wide range of Mercer County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Mercer County in 2025, we are always available to assist you. Book your flights to Mercer County today and let the adventure begin! ### Find the best tickets to Mercer County To find some of the best tickets to Mercer County in 2025, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Mercer County or last-minute flights to Mercer County, you can filter and sort your search results, making it easy to find the ideal flight to Mercer County. ### Airlines fly to Mercer County There are different airlines that fly to Mercer County including some of the most trusted names in the business. To book flights to Mercer County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Mercer County plane tickets. ### Find the cheapest flights to Mercer County By booking early you may find some of the best deals for Mercer County flights from the UK, including Mercer County direct flights. You can usually find affordable and cheap flights to Mercer County, whether one-way or round-trip , with Expedia if you book your trip far enough in advance. ### Find the best airports for cheap flights to Mercer County Try searching for different Mercer County airports with Expedia to find some of the cheapest flights to Mercer County. Flights from () to () usually have the lowest price . ### Why book your flights to Mercer County with Expedia Expedia offers great deals on Mercer County air fares to cater to every budget. Not only is Expedia one of the top platforms to book flights to Mercer County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more. *\*Prices and availability are subject to change. Additional terms apply.* ## Mercer County Flights Information | Airlines serving | | | --- | --- | | Roundtrip price | | ## Frequently asked questions ### How do I find cheap flights to Mercer County that have flexible change policies? > When it comes to travelling these days, flexibility is a must. That's why we have a "No change fee" search function to help you track down cheap and flexible tickets to Mercer County. It's to the left of your screen underneath the "Flexible change policies" subheading. ### Which airlines fly to Mercer County? > Frontier Airlines runs flights into or near Mercer County, including 169 that travel to Mercer Airport (TTN) each month. Select your travel dates and then reserve your ticket early to score the best deal. ### How can I find cheap tickets to Mercer County? > To nab a terrific deal to Mercer County, book well ahead. Also make use of Expedia's "flexible dates" feature at the top of your search results. This will show you the cheapest prices for similar time frames. In the last seven days, was the lowest price for a flight to Mercer County. ### How much is a flight to Mercer County? > One-way flights taking off from () sold for as little as in the last seven days. During this period, the price of a round-trip journey to Mercer County varied between and . If you spot a bargain, book as fast as you can — these prices don't stick around for long. ### What are the most popular airports to fly into in Mercer County? > Zip up your suitcase and jet into Mercer Airport (TTN), Mercer County's leading flight hub. Secure a seat on one of the 169 flights that land at this well-known destination each month. ### When is the cheapest time to fly to Mercer County? > If you'd rather spend your money on having fun in Mercer County rather than on your flight there, depart earlier in the week. The most affordable day to travel is generally Tuesday, with Monday coming in second. With many people keeping their travel to weekends, Saturday often has the costliest airfares. ### How much is a plane ticket to Mercer County? > In the last seven days, tickets to Mercer County fluctuated between and . Prices tend to rise over time, so land yourself a great deal today. ### What is the best time to go to Mercer County? > A nice time to head for Mercer County, as well as the exciting city of Trenton, is during the busy months of March, July and August. Summer in this part of the world starts June 20, and you can expect temperatures of between 18ºC and 27ºC if you visit then. This warmer weather is ideal for touring around this city's attractions. ### What months are the cheapest to book a flight to Mercer County? > February is the most affordable month to secure a seat for your Mercer County break. Airfares cost the most throughout December, so avoid this time if you can. - Top Flights Destinations - Top Mercer County Hotels - Related Airlines - Expedia's Latest Trends ### Top Flight Destinations In Mercer County - [Flights to Princeton](https://expedia.co.uk/Cheap-Flights-To-Princeton.d603263.Travel-Guide-Flights) - [Flights to Jersey Shore](https://expedia.co.uk/Cheap-Flights-To-Jersey-Shore.d6056759.Travel-Guide-Flights) - [Flights to Lambertville](https://expedia.co.uk/Cheap-Flights-To-Lambertville.d55788.Travel-Guide-Flights) - [Flights to Morrisville](https://expedia.co.uk/Cheap-Flights-To-Morrisville.d180847.Travel-Guide-Flights) - [Flights to Yardley](https://expedia.co.uk/Cheap-Flights-To-Yardley.d500676.Travel-Guide-Flights) - [Flights to Mid-Atlantic](https://expedia.co.uk/Cheap-Flights-To-Mid-Atlantic.d6209850.Travel-Guide-Flights) - [Flights to Pennington](https://expedia.co.uk/Cheap-Flights-To-Pennington.d183612.Travel-Guide-Flights) ### Top Flight Destinations In World - 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[Candlewood Suites Lawrenceville Princeton by IHG](https://expedia.co.uk/Lawrenceville-Hotels-Candlewood-Suites-Lawrenceville-Princeton.h107724435.Hotel-Information) - [Hilton East Brunswick Hotel & Executive Meeting Center](https://expedia.co.uk/Somerset-Hotels-Hilton-East-Brunswick-Hotel-Executive-Meeting-Center.h13168.Hotel-Information) - [Crowne Plaza Edison by IHG](https://expedia.co.uk/Somerset-Hotels-Crowne-Plaza-Edison.h8510.Hotel-Information) - [Red Carpet Inn & Suites](https://expedia.co.uk/Philadelphia-Hotels-Motel-6-Philadelphia.h5742.Hotel-Information) - [MHO Inn & Suites](https://expedia.co.uk/Monmouth-Junction-Hotels-MHO-Inn-Suites.h12571.Hotel-Information) - [Sonesta Simply Suites Somerset](https://expedia.co.uk/Somerset-Hotels-Sonesta-Simply-Suites-Somerset.h126818.Hotel-Information) - [Embassy Suites by Hilton Piscataway Somerset](https://expedia.co.uk/Somerset-Hotels-Embassy-Suites-Piscataway-Somerset.h5966.Hotel-Information) - [Inn of the Dove Romantic Suites with Jetted Tub & Fireplace](https://expedia.co.uk/Philadelphia-Hotels-Inn-Of-The-Dove-Romantic-Suites-With-Jacuzzi-Fireplace.h2244243.Hotel-Information) - 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