Title: Cheap Flights to Mercer County - Expedia.co.uk ![Spring in Princeton ](https://images.trvl-media.com/place/603263/5c7832da-ede6-4552-a274-6b85e66e751e.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Assya A ![](https://images.trvl-media.com/place/603263/5c7832da-ede6-4552-a274-6b85e66e751e.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 - ![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 - ![JetBlue Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways - ![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 - ![Air France](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AF.svg) Air France - ![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 2026, 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 2026, 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? ### Which airlines fly to Mercer County? ### How can I find cheap tickets to Mercer County? ### How much is a flight to Mercer County? ### What are the most popular airports to fly into in Mercer County? ### When is the cheapest time to fly to Mercer County? ### How much is a plane ticket to Mercer County? ### What is the best time to go to Mercer County? ### What months are the cheapest to book a flight to Mercer County? - 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 Pennington ](https://expedia.co.uk/Cheap-Flights-To-Pennington.d183612.Travel-Guide-Flights) - [Flights to Mid-Atlantic ](https://expedia.co.uk/Cheap-Flights-To-Mid-Atlantic.d6209850.Travel-Guide-Flights) ### Top Flight Destinations In World - [Flights to Italy ](https://expedia.co.uk/Destinations-In-Italy.d86.Flight-Destinations) - [Flights to Colombia ](https://expedia.co.uk/Destinations-In-Colombia.d38.Flight-Destinations) - [Flights to Germany ](https://expedia.co.uk/Destinations-In-Germany.d64.Flight-Destinations) - [Flights to United Kingdom ](https://expedia.co.uk/Destinations-In-United-Kingdom.d190.Flight-Destinations) - [Flights to Spain ](https://expedia.co.uk/Destinations-In-Spain.d166.Flight-Destinations) - [Flights to China ](https://expedia.co.uk/Destinations-In-China.d37.Flight-Destinations) - [Flights to Russia ](https://expedia.co.uk/Destinations-In-Russia.d153.Flight-Destinations) - [Flights to Greece ](https://expedia.co.uk/Destinations-In-Greece.d67.Flight-Destinations) - [Flights to Canada ](https://expedia.co.uk/Destinations-In-Canada.d31.Flight-Destinations) - [Flights to India ](https://expedia.co.uk/Destinations-In-India.d80.Flight-Destinations) - [Flights to Japan ](https://expedia.co.uk/Destinations-In-Japan.d89.Flight-Destinations) - [Flights to Sweden ](https://expedia.co.uk/Destinations-In-Sweden.d173.Flight-Destinations) - [Flights to France ](https://expedia.co.uk/Destinations-In-France.d59.Flight-Destinations) - [Flights to Thailand ](https://expedia.co.uk/Destinations-In-Thailand.d178.Flight-Destinations) - [Flights to Brazil ](https://expedia.co.uk/Destinations-In-Brazil.d23.Flight-Destinations) - [Flights to Norway ](https://expedia.co.uk/Destinations-In-Norway.d138.Flight-Destinations) - [Flights to Türkiye ](https://expedia.co.uk/Destinations-In-Turkiye.d183.Flight-Destinations) - [Flights to United States of America ](https://expedia.co.uk/Destinations-In-United-States-Of-America.d201.Flight-Destinations) - [Flights to South Korea ](https://expedia.co.uk/Destinations-In-South-Korea.d94.Flight-Destinations) - [Flights to Philippines ](https://expedia.co.uk/Destinations-In-Philippines.d145.Flight-Destinations) ### Top Mercer County Hotels - [Hyatt Regency Princeton ](https://expedia.co.uk/Princeton-Hotels-Hyatt-Regency-Princeton.h18381.Hotel-Information) - [Candlewood Suites Lawrenceville Princeton by IHG ](https://expedia.co.uk/Lawrenceville-Hotels-Candlewood-Suites-Lawrenceville-Princeton.h107724435.Hotel-Information) - [Embassy Suites by Hilton Piscataway Somerset ](https://expedia.co.uk/Somerset-Hotels-Embassy-Suites-Piscataway-Somerset.h5966.Hotel-Information) - [Crowne Plaza Edison by IHG ](https://expedia.co.uk/Somerset-Hotels-Crowne-Plaza-Edison.h8510.Hotel-Information) - [MHO Hotel Bordentown ](https://expedia.co.uk/Trenton-Hotels-MHO-Hotel-Bordentown.h10095.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) - [The Heldrich Hotel ](https://expedia.co.uk/Somerset-Hotels-The-Heldrich-Hotel.h1531531.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) - [Sonesta Simply Suites Somerset ](https://expedia.co.uk/Somerset-Hotels-Sonesta-Simply-Suites-Somerset.h126818.Hotel-Information) - [Hampton Inn Princeton ](https://expedia.co.uk/Princeton-Hotels-Hampton-Inn-Princeton.h1145616.Hotel-Information) - [Hyatt Regency New Brunswick ](https://expedia.co.uk/Somerset-Hotels-Hyatt-Regency-New-Brunswick.h12262.Hotel-Information) - [Home2 Suites by Hilton New Brunswick, NJ ](https://expedia.co.uk/Somerset-Hotels-Home2-Suites-By-Hilton-New-Brunswick.h66265343.Hotel-Information) - [Best Western Rutgers University Hotel ](https://expedia.co.uk/East-Brunswick-Hotels-Best-Western-Rutgers-University-Hotel.h102521190.Hotel-Information) - [The Garden Executive Hotel ](https://expedia.co.uk/Somerset-Hotels-The-Garden-Executive-Hotel.h24399.Hotel-Information) - [Doubletree by Hilton Somerset Hotel and Conference Center ](https://expedia.co.uk/Somerset-Hotels-Doubletree-By-Hilton-Somerset-Hotel-And-Conference-Center.h2169.Hotel-Information) - [New Hope Inn & Suites ](https://expedia.co.uk/New-Hope-Hotels-Clarion-Inn-Suites-New-Hope-Lambertville.h11476.Hotel-Information) - [Courtyard by Marriott Edison Woodbridge ](https://expedia.co.uk/Somerset-Hotels-Courtyard-By-Marriott-Edison-Woodbridge.h899268.Hotel-Information) - [Red Carpet Inn & Suites ](https://expedia.co.uk/Philadelphia-Hotels-Motel-6-Philadelphia.h5742.Hotel-Information) - [The Westin Princeton at Forrestal Village ](https://expedia.co.uk/Princeton-Hotels-The-Westin-Princeton-At-Forrestal-Village.h25980.Hotel-Information) ### Related Airlines - [Amber Air ](https://expedia.co.uk/Amber-Air-Flights.c0A.Travel-Guide-Airlines) - [BlueAir ](https://expedia.co.uk/BlueAir-Flights.c0B.Travel-Guide-Airlines) - [Catovair ](https://expedia.co.uk/Cobra-Aviation-Flights.c0C.Travel-Guide-Airlines) - [Darwin Airline SA Lugano ](https://expedia.co.uk/Darwin-Airline-SA-Lugano-Flights.c0D.Travel-Guide-Airlines) - [Evergreen International ](https://expedia.co.uk/Evergreen-International-Flights.c0E.Travel-Guide-Airlines) - [Ghadames Air Transport ](https://expedia.co.uk/Ghadames-Air-Transport-Flights.c0G.Travel-Guide-Airlines) - [Aircompany Kokshetau ](https://expedia.co.uk/AirCompany-Kokshetau-Flights.c0K.Travel-Guide-Airlines) - [Vietnam Air Service Co. ](https://expedia.co.uk/Vietnam-Air-Service-Co-Flights.c0V.Travel-Guide-Airlines) - [West Caribbean Costa Rica ](https://expedia.co.uk/West-Caribbean-Costa-Rica-Flights.c0W.Travel-Guide-Airlines) - [Olympus Airways ](https://expedia.co.uk/Olympus-Airways-Flights.c11.Travel-Guide-Airlines) ### Expedia's Latest Trends Hotels - [Orange County Accommodation](https://expedia.co.uk/Destinations-In-Orange-County.d603224.Hotel-Destinations) - [All-Inclusive Hotels in San Diego County](https://expedia.co.uk/Destinations-In-San-Diego-County-All-Inclusive-Hotel.0-0-d178304-tAllInclusiveHotel.Hotel-Filter-Destinations) - [Kimpton Everly Hotel Hollywood by IHG](https://expedia.co.uk/Los-Angeles-Hotels-Kimpton-Everly-Hotel-Hollywood.h17524828.Hotel-Information) - [The Mills at Jersey Gardens hotels](https://expedia.co.uk/The-Mills-At-Jersey-Gardens-Hotels.0-l6079911-0.Travel-Guide-Filter-Hotels) - [San Diego County Accommodation](https://expedia.co.uk/Destinations-In-San-Diego-County.d178304.Hotel-Destinations) - [Grand Palladium White Island Resort & Spa - All Inclusive](https://expedia.co.uk/Sant-Josep-De-Sa-Talaia-Hotels-Grand-Palladium-White-Island-Resort-Spa-All-Inclusive.h9778941.Hotel-Information) - [Sestriere Ski Area hotels](https://expedia.co.uk/Sestriere-Ski-Area-Hotels.0-l6163940-0.Travel-Guide-Filter-Hotels) - [3 Bedroom, 3 Bathroom Villa, with Private Pool, WIFI, Playa Blanca, Lanzarote](https://expedia.co.uk/Yaiza-Hotels-3-Bedroom.h31223556.Hotel-Information) - [Royalton CHIC Cancun, An Autograph Collection All-Inclusive Resort - Adults Only](https://expedia.co.uk/Cancun-Hotels-Royalton-CHIC-Suites-Cancun-Resort-Spa-Adults-Only-All-Inclusive.h24318436.Hotel-Information) - [Cape Liberty Cruise Port hotels](https://expedia.co.uk/Cape-Liberty-Cruise-Port-Hotels.0-l6333883-0.Travel-Guide-Filter-Hotels) Flights - [BHX to INV flights](https://expedia.co.uk/lp/flights/bhx/inv/birmingham-to-inverness) - [Flights to NYC](https://expedia.co.uk/Cheap-Flights-To-Hoboken.d8358.Travel-Guide-Flights) - [Flights to NYC](https://expedia.co.uk/Cheap-Flights-To-East-Rutherford.d7803.Travel-Guide-Flights) - [LHR to MAA flights](https://expedia.co.uk/lp/flights/lhr/maa/london-to-chennai) - [Cheap Flights to Orange County](https://expedia.co.uk/Destinations-In-Orange-County.d603224.Flight-Destinations) Cars - [Car rental in Cape Liberty Cruise Port](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Cape-Liberty-Cruise-Port.d6333883.Car-Hire-Guide) - [Car rental in Weehawken](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Weehawken.d10309.Car-Hire-Guide) Activities - [Things to do in San Diego County](https://expedia.co.uk/Things-To-Do-In-San-Diego-County.d178304.Travel-Guide-Activities) - [Things to do in Woodbridge](https://expedia.co.uk/Things-To-Do-In-Woodbridge.d177733.Travel-Guide-Activities) Packages - [Trips to Orange County](https://expedia.co.uk/Orange-County.d603224.Holidays-City-Breaks) - [Splash Zone Water Park](https://expedia.co.uk/Splash-Zone-Water-Park-Wildwood.d6079811.Attraction) - [Six Flags Great Adventure](https://expedia.co.uk/Six-Flags-Great-Adventure-Cream-Ridge.d6080385.Attraction) - [Trips to San Diego County](https://expedia.co.uk/San-Diego-County.d178304.Holidays-City-Breaks) Holiday Rentals - [Ibiza Island Short Term Rentals](https://expedia.co.uk/Ibiza-Island-Holiday-Rentals.d602653.Travel-Guide-HolidayRentals) General - [Visit North Slope Borough](https://expedia.co.uk/North-Slope-Borough.dx6228899) - [Visit Downtown Jersey City](https://expedia.co.uk/Jersey-City-Downtown-Jersey-City.dx6056836) - [Visit Bulls Ferry and Jacob's Ferry](https://expedia.co.uk/Jersey-City-Bulls-Ferry-And-Jacobs-Ferry.dx553248635976470853) - [Visit Suffolk County](https://expedia.co.uk/Suffolk-County.dx553248635083916458) - [Visit Downtown Newark](https://expedia.co.uk/Newark-Downtown-Newark.dx3000663296) - [Visit Hoboken](https://expedia.co.uk/Hoboken.dx8358) \*Available to Expedia members.