Title: Cheap Flights from Trenton to Raleigh (TTN to RDU) - Expedia.co.uk ![Aerial view of Raleigh, North Carolina skyline on a sunny day.](https://images.trvl-media.com/place/178300/cf38e887-a567-4cef-82e4-90eda2035221.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178300/cf38e887-a567-4cef-82e4-90eda2035221.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Trenton (TTN) to Raleigh (RDU) - [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 ## Popular airlines from Trenton–Mercer Airport (TTN) to Raleigh-Durham International Airport (RDU) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ttn,to:rdu,departure:30/09/2025TANYT&leg2=from:rdu,to:ttn,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ttn,to:rdu,departure:30/09/2025TANYT&leg2=from:rdu,to:ttn,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) ![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) ## Find the cheapest month to fly from Trenton (TTN) to Raleigh (RDU) ### February is typically the cheapest month to fly From £89 - £418 per traveller. ## Frequently asked questions ### How much is a flight from TTN to RDU? > Round-trip flights from Mercer Airport (TTN) to Raleigh–Durham Airport start from . This is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book today so you don't miss out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Trenton–Mercer Airport to Raleigh - Durham Intl. Airport (RDU)? > Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Mercer Airport (TTN) to Raleigh - Durham Intl. Airport (RDU) that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for TTN to Raleigh–Durham Airport flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Trenton–Mercer Airport to RDU? > You won't have time for a movie marathon on this flight — it's just 600 kilometres from Trenton to Morrisville. Find your way to your seat, get comfortable and you'll be touching down in next to no time. ### Which airlines fly direct from Trenton–Mercer Airport to Raleigh - Durham Intl. Airport (RDU)? > A favourite with many savvy travellers, Frontier Airlines (F9) offers 8 flights monthly from TTN to RDU. Pick the one that fits in with your travel plans and book your fare today. ### Are Mercer Airport (TTN) to RDU flight tickets cheaper when they're purchased at the last minute? > Last-minute bookings from Trenton–Mercer Airport to Raleigh - Durham Intl. Airport (RDU) can be hit-or-miss. It is possible to find a bargain, but you could also miss out completely! If you'd prefer to play it safe and start your travel planning early on, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices so far in advance. Our top tip? Check back often as prices are updated frequently. ## Travel information | Origin airport | Mercer | | --- | --- | | Destination airport | Raleigh - Durham Intl. | | Distance | 596 km | ## Book with confidence ### Compare flights from Trenton to Raleigh easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Trenton to Raleigh. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Raleigh - Durham Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Mercer to Raleigh - Durham Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Mercer (TTN) to Raleigh - Durham Intl. (RDU) The easiest way to view the best deals on flights from Trenton to Raleigh today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Mercer to Raleigh - Durham Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Trenton and Raleigh - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Trenton to Raleigh flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Mercer to Raleigh - Durham Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Trending Routes - Top Flights Destinations - Nearby Airports - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes to Raleigh - [Norwich to Raleigh (NWI - RDU)](https://expedia.co.uk/lp/flights/nwi/rdu/norwich-to-raleigh) - [Bristol to Raleigh (BRS - RDU)](https://expedia.co.uk/lp/flights/brs/rdu/bristol-to-raleigh) - [London to Raleigh (LCY - RDU)](https://expedia.co.uk/lp/flights/lcy/rdu/london-to-raleigh) - [Leeds to Raleigh (LBA - RDU)](https://expedia.co.uk/lp/flights/lba/rdu/leeds-to-raleigh) - [Edinburgh to Raleigh (EDI - RDU)](https://expedia.co.uk/lp/flights/edi/rdu/edinburgh-to-raleigh) - [Inverness to Raleigh (INV - RDU)](https://expedia.co.uk/lp/flights/inv/rdu/inverness-to-raleigh) - [Birmingham to Raleigh (BHX - RDU)](https://expedia.co.uk/lp/flights/bhx/rdu/birmingham-to-raleigh) - [Newcastle to Raleigh (NCL - RDU)](https://expedia.co.uk/lp/flights/ncl/rdu/newcastle-to-raleigh) - [London to Raleigh (LHR - RDU)](https://expedia.co.uk/lp/flights/lhr/rdu/london-to-raleigh) - [Aberdeen to Raleigh (ABZ - RDU)](https://expedia.co.uk/lp/flights/abz/rdu/aberdeen-to-raleigh) - [Cardiff to Raleigh (CWL - RDU)](https://expedia.co.uk/lp/flights/cwl/rdu/cardiff-to-raleigh) - [Manchester to Raleigh (MAN - RDU)](https://expedia.co.uk/lp/flights/man/rdu/manchester-to-raleigh) ### Top Flight Destinations - [Flights to Las Vegas](https://expedia.co.uk/Cheap-Flights-To-Las-Vegas.d178276.Travel-Guide-Flights) - [Flights to New York](https://expedia.co.uk/Cheap-Flights-To-New-York.d178293.Travel-Guide-Flights) - [Flights to Orlando](https://expedia.co.uk/Cheap-Flights-To-Orlando.d178294.Travel-Guide-Flights) - [Flights to Chicago](https://expedia.co.uk/Cheap-Flights-To-Chicago.d178248.Travel-Guide-Flights) - [Flights to San Diego](https://expedia.co.uk/Cheap-Flights-To-San-Diego.d3073.Travel-Guide-Flights) - [Flights to San Francisco](https://expedia.co.uk/Cheap-Flights-To-San-Francisco.d178305.Travel-Guide-Flights) - [Flights to Los Angeles](https://expedia.co.uk/Cheap-Flights-To-Los-Angeles.d178280.Travel-Guide-Flights) - [Flights to Boston](https://expedia.co.uk/Cheap-Flights-To-Boston.d178239.Travel-Guide-Flights) - [Flights to Miami](https://expedia.co.uk/Cheap-Flights-To-Miami.d178286.Travel-Guide-Flights) - [Flights to Houston](https://expedia.co.uk/Cheap-Flights-To-Houston.d178265.Travel-Guide-Flights) - [Flights to Pigeon Forge](https://expedia.co.uk/Cheap-Flights-To-Pigeon-Forge.d8264.Travel-Guide-Flights) - [Flights to Nashville](https://expedia.co.uk/Cheap-Flights-To-Nashville.d178291.Travel-Guide-Flights) - [Flights to Myrtle Beach](https://expedia.co.uk/Cheap-Flights-To-Myrtle-Beach.d601685.Travel-Guide-Flights) - [Flights to Atlanta](https://expedia.co.uk/Cheap-Flights-To-Atlanta.d178232.Travel-Guide-Flights) - [Flights to San Antonio](https://expedia.co.uk/Cheap-Flights-To-San-Antonio.d178303.Travel-Guide-Flights) - [Flights to Denver](https://expedia.co.uk/Cheap-Flights-To-Denver.d178254.Travel-Guide-Flights) - [Flights to Honolulu](https://expedia.co.uk/Cheap-Flights-To-Honolulu.d1488.Travel-Guide-Flights) - [Flights to Gatlinburg](https://expedia.co.uk/Cheap-Flights-To-Gatlinburg.d7474.Travel-Guide-Flights) - [Flights to Panama City Beach](https://expedia.co.uk/Cheap-Flights-To-Panama-City-Beach.d8021.Travel-Guide-Flights) - [Flights to Atlantic City](https://expedia.co.uk/Cheap-Flights-To-Atlantic-City.d602179.Travel-Guide-Flights) Trenton Airports #### Newark Liberty Intl. Airport [Newark Liberty Intl. Airport to Raleigh](https://expedia.co.uk/lp/flights/ewr/rdu/newark-liberty-intl-airport-to-raleigh) £74.00 #### Philadelphia [Philadelphia Intl. to Raleigh](https://expedia.co.uk/lp/flights/phl/rdu/philadelphia-to-raleigh) £131.20 ### Nearby Airports - [Princeton Airport (PCT)](https://expedia.co.uk/lp/airports/pct/flights-from-princeton-airport) - [Northeast Philadelphia Airport (PNE)](https://expedia.co.uk/lp/airports/pne/flights-from-northeast-philadelphia-airport) - [Wings Field Airport (BBX)](https://expedia.co.uk/lp/airports/bbx/flights-from-wings-field-airport) - [Philadelphia Intl. Airport (PHL)](https://expedia.co.uk/lp/airports/phl/flights-from-philadelphia-intl-airport) - [Monmouth Executive Airport (BLM)](https://expedia.co.uk/lp/airports/blm/flights-from-monmouth-executive-airport) - [Linden Airport (LDJ)](https://expedia.co.uk/lp/airports/ldj/flights-from-linden-airport) - [Lehigh Valley Intl. 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