$235 Cheap Flights to Dundalk

Flights to Dundalk at a glance

Traveling to Dundalk is easy; you can select from full-service or budget airlines, compare travel times, and choose the best option that fits your budget and plans to discover the city's renowned attractions and neighborhoods. Look for cheap flights to Dundalk to make your trip even more affordable.

• Major airport near Dundalk: Dublin Airport (DUB)
• Flights per week: 1,950+ flights arriving at Dundalk airport
• Number of airlines that fly to Dundalk: around 45+ carriers

Popular airport near Dundalk

Dundalk is a vibrant city ideal for outdoor family adventures. Visitors are drawn to its rich culture, eco-friendly atmosphere, and romantic settings. The closest major airport to Dundalk is Dublin Airport, making it convenient for travelers seeking domestic flights to this charming destination.

• Dublin Airport (DUB): Situated approximately 41 miles from Dundalk, this airport is a key hub for both domestic and international travel, providing connections to around 2 domestic cities and over 225 international destinations. Passengers have the option to enhance their experience by upgrading to premium economy or business class seating, depending on the airline and route. Major carriers operating from this airport include Aer Lingus, Ryanair, and United.

Top routes to Dundalk

• London (LGW/LHR/LCY/LTN/STN) to Dundalk (DUB), with one-way tickets available from around $25
• Boston (BOS) to Dundalk (DUB), with one-way airfare from around $170
• New York (JFK/LGA) to Dundalk (DUB), with one-way fares starting at around $170
• Newark (EWR) to Dundalk (DUB), with one-way flights starting at around $170
• Edinburgh (EDI) to Dundalk (DUB), with one-way tickets available from around $25

Cheapest routes to Dundalk

• Tirana (TIA) to Dundalk (DUB), with cheap one-way fares from around $20
• Killarney (KIR) to Dundalk (DUB), with affordable one-way prices from around $20
• Luxembourg (LUX) to Dundalk (DUB), with cheap one-way fares from around $25
• Newcastle (NCL) to Dundalk (DUB), with low-cost one-way tickets from around $25
• London (LGW/LHR/LCY/LTN/STN) to Dundalk (DUB), with low-cost one-way tickets from around $25

*Flight times and fares vary by season and availability and are based on one-way routes

Top airlines with flights to Dundalk

• Aer Lingus: Operating flights to Dublin Airport (DUB), Aer Lingus represents roughly 27% of arrivals in Dundalk. The typical one-way fare is around $330, with premium cabin choices that may include premium economy and business class, depending on the route.
• Ryanair: This airline also services Dublin Airport (DUB) and is responsible for about 16% of arrivals to Dundalk. Passengers can expect an average one-way fare of approximately $90.
• United: United Airlines flies to Dublin Airport (DUB) and accounts for around 12% of arrivals in Dundalk. Travelers can anticipate an average one-way fare of about $420, with premium cabin options that may include both premium economy and business classes, depending on the route.
• American Airlines: Offering flights to Dublin Airport (DUB), American Airlines contributes to roughly 11% of arrivals in Dundalk. The average one-way fare is around $480, with premium service options potentially including premium economy and business class based on the route.
• Delta: Delta Airlines operates flights to Dublin Airport (DUB) and makes up about 8% of arrivals to Dundalk. The average one-way fare hovers around $440, with available premium cabin options possibly including premium economy and business class, depending on the route.

Best time to fly to Dundalk

The most popular months for travelers to fly to Dundalk are March, April, and July, when peak temperatures in Dundalk can reach up to 58.6°F in July. If you prefer quieter travel, consider November, the least busy time to visit with temperatures around 44.8°F and typically the lowest average one-way fare (around $274), roughly 14% cheaper than the yearly average. Looking for additional cheaper months to fly? October, March, and January offer average one-way fares of around $282, making them good options for flexible travelers.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

How to save money on a flight to Dundalk

Getting some of the best deals on flights to Dundalk is all about timing and flexibility. Here are some key tips to help you save:

1. Compare flight options—use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
2. Set up price alerts—as an Expedia member you can use Price Tracking to receive notifications when flight prices change.
3. Bundle and save—book a flight and unlock a hotel deal on Expedia*, or explore our Dundalk hotel and flight deals.
4. Think about luggage-nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your baggage allowance before confirming your booking to avoid excess baggage fees at the airport.
5. Earn miles—you can earn airline miles when you book your Dundalk flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.

*For members. Select hotels.

Arriving in Dundalk

Dundalk welcomes travelers through its range of transport options based on price, convenience, and proximity. Here's how to reach Dundalk efficiently:

• Public transportation: From Dublin Airport, several transport options are within a short drive. Dublin Howth Junction Station, a train station, is about 4.9 miles from the airport, while Phibsborough Tram Stop, a metro station, is around 6.2 miles away. If you're headed to the waterfront, 3Arena Seaport, a seaport, is located about 6.7 miles from the airport, all typically accessible by car.
• Hotel transfer: Transfers offer a convenient way to reach your hotel in Dundalk, with private rides that can be arranged in advance.
• Car rental: Renting a car in Dundalk is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Dundalk on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Where to stay in Dundalk

• Ravensdale: Ravensdale is located in the area of Dundalk and offers a charming village experience perfect for families and outdoor enthusiasts. This area is ideal for sports lovers, featuring a nearby golf course and a resort. Adventure seekers can explore the stunning Cooley Mountains, while those looking for a romantic outing may enjoy the picturesque Lough. Don’t miss the Proleek Dolmen, a historic site perfect for family outings. Ravensdale is a great base for a scenic vacation, especially in the warmer months when outdoor activities are in full swing.
• Omeath: Situated in the area of Dundalk, Omeath is a delightful village renowned for its breathtaking scenery and adventurous spirit. The village boasts a recreational area and educational facilities, making it suitable for visitors of all ages. Nearby attractions include the majestic Cooley Mountains, which are perfect for hiking and exploring. History buffs will appreciate King John's Castle and the Carlingford Heritage Centre, both rich in culture. Spring and summer are particularly lovely times to visit, offering the best conditions for outdoor exploration.
• Knocknagoran: Knocknagoran is located in the area of Dundalk and is a quaint village known for its beautiful beaches and outdoor activities. Visitors can enjoy the nearby marina and take in the stunning views of the Cooley Mountains, perfect for hiking and nature walks. For a dose of history, King John's Castle and the Carlingford Heritage Centre are just a short distance away. This village is especially inviting during the summer months, when the beach beckons for relaxation and fun.

Tips for short-haul flights to Dundalk

For quick getaways, efficiency is key. Here is how to make your short-haul journey smoother:

• Pack light and skip checked bags—with budget airlines, it’s often more economical to travel with just a carry-on. Maximize space by using mini toiletries, wearing your heaviest clothing, and coordinating your outfits effectively. This strategy also helps you avoid waiting at the baggage claim upon arrival.
• Bring your own entertainment—many short-haul flights may lack in-flight entertainment options. Download your favorite TV shows, movies, music, or podcasts ahead of time, and consider bringing a book to keep yourself entertained. Remember to fully charge your devices before boarding.
• Arrive at the airport in plenty of time—even for short or domestic flights, it's advisable to arrive at least 1.5 to 2 hours before departure, taking into account traffic and security lines.
• Bring your own snacks and water—pack some snacks and a refillable water bottle to stay hydrated and save money at the airport.

Tips for long-haul flights to Dundalk

Flying long-haul sometimes requires extra planning to ensure a comfortable journey:

• Select your seat in advance—for longer flights, choosing your seat is essential for comfort. Full-service airlines often allow free seat selection when online check-in opens, typically 24–48 hours before your flight. Some airlines may provide the option to select seats even earlier.
• Arrive at the airport in plenty of time—plan to arrive at least 3 hours before departure for international flights to ensure you have enough time for check-in, security, and immigration procedures.
• Relax at the airport—if you find yourself with extra time, take the opportunity to explore the shops, grab a coffee, or unwind at the gate or in a departure lounge if you have access. Airport Wi-Fi is generally free and available.
• Adjust to the new time zone mid-flight—begin syncing your body clock by changing your watch and modifying your sleep schedule to align with your destination's time zone. Attempt to sleep or stay awake during the flight according to the local time of your arrival destination to help minimize jet lag.

Tips to find the cheapest flights to Dundalk

The cheapest day to fly

Get started finding a cheap flight to Dundalk on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

January is the cheapest month to fly to Dundalk. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Dundalk. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Dundalk, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Dundalk

The lowest price for round-trip flights to Dundalk in 2026 starts from $433, while one-way tickets start from from $235. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Dundalk. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Dundalk

Icelandair, British Airways, Air Canada, Delta, American Airlines, Swiss International Air Lines, United are just some of the airlines that can typically offer cheap tickets to Dundalk. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Dundalk and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Dundalk, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Dundalk. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Dundalk plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Dundalk

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Dundalk.

Stopover savings

The cheapest tickets to Dundalk are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Dundalk. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Dundalk for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Dundalk. Simply download the free Expedia app to your smart device and activate Dundalk flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Dundalk. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

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