$19 Cheap Flights to Dundalk, MD

Flights to Dundalk at a glance

Traveling to Dundalk is easy—simply select from a range of airlines, including both full-service and budget options. Compare flight times to find the best fit for your schedule and budget, all while planning to discover the city's iconic sights and vibrant neighborhoods.

• Major airport near Dundalk: Baltimore Washington International Thurgood Marshall Airport (BWI)
• Flights per week: 3,350+ flights arriving at Dundalk airport
• Number of airlines that fly to Dundalk: around 30+ carriers

Popular airport near Dundalk

Dundalk is a lively city ideal for family outings, outdoor escapades, and urban getaways. Visitors are drawn to Dundalk for its vibrant culture, business opportunities, and recreational activities. The closest major airport to Dundalk is Dublin Airport, making it convenient for travelers to access this charming destination.

• Baltimore Washington International Thurgood Marshall Airport (BWI): Situated in Anne Arundel County, Maryland, approximately 9 miles from Dundalk, this airport provides access to a wide range of domestic and international flights. It connects travelers to around 200 cities within the U.S. and over 120 international locations. Passengers can enjoy options for first class, premium economy, and business class seating, depending on the airline and route. Major carriers operating here include Southwest Airlines, Frontier Airlines, and American Airlines.

Top routes to Dundalk

• Atlanta (ATL) to Dundalk (BWI), with one-way flight options from around $35
• Miami (MIA) to Dundalk (BWI), with one-way tickets available from around $40
• Chicago (ORD/MDW) to Dundalk (BWI), with one-way flights starting at around $50
• Orlando (MCO) to Dundalk (BWI), with one-way airfare from around $35
• Los Angeles (LAX) to Dundalk (BWI), with one-way tickets available from around $80

Cheapest routes to Dundalk

• New Haven (HVN) to Dundalk (BWI), with low-cost one-way tickets from around $30
• Fort Lauderdale (FLL) to Dundalk (BWI), with low-cost one-way tickets from around $35
• Orlando (MCO) to Dundalk (BWI), with low-cost one-way tickets from around $35
• Atlanta (ATL) to Dundalk (BWI), with cheap one-way fares from around $35
• Miami (MIA) to Dundalk (BWI), with cheap one-way fares from around $40

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

Top airlines with flights to Dundalk

• Southwest Airlines: Operating flights to Baltimore Washington International Thurgood Marshall Airport (BWI), this airline is responsible for approximately 36% of arrivals in Dundalk, with average one-way fares hovering around $230.
• American Airlines: Serving Baltimore Washington International Thurgood Marshall Airport (BWI), this carrier makes up about 20% of arrivals to Dundalk. Average one-way fares are around $320, with options for first class available based on the route.
• Delta: Flying to Baltimore Washington International Thurgood Marshall Airport (BWI), Delta accounts for roughly 20% of Dundalk's arrivals. The average one-way fare is about $290, with premium cabins including premium economy and first class on select routes.
• United: Operating routes to Baltimore Washington International Thurgood Marshall Airport (BWI), United represents around 13% of arrivals to Dundalk. Passengers can expect an average one-way fare of about $320, with first class options depending on the route.
• Frontier Airlines: This airline also serves Baltimore Washington International Thurgood Marshall Airport (BWI), making up approximately 7% of arrivals to Dundalk. Travelers can find average one-way fares around $160, making it a budget-friendly option.

Best time to fly to Dundalk

The most popular months for travelers to fly to Dundalk are January, March, and April, when peak temperatures in Dundalk can reach up to 54.1°F in April. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 69.8°F and typically the lowest average one-way fare (around $203), roughly 9% cheaper than the yearly average. Looking for additional cheaper months to fly? October, May, and August offer average one-way fares of around $211, 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 Baltimore Washington International Thurgood Marshall Airport, BWI Thurgood Marshall Airport Metro Station (a metro station) is located about 0.3 miles away by walking, while Baltimore-Washington International Airport Station (a train station) is about 1.7 miles away by car, providing convenient access to public transport options for travelers.
• 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 and around Dundalk

• Midtown: Located 6 miles drive away from Dundalk, Midtown is a vibrant neighborhood perfect for culture enthusiasts and families alike. Visitors will find a range of activities, including educational opportunities, theater performances, and music concerts. Key attractions include the historic Johns Hopkins University, which offers a glimpse into the area's academic heritage, and the Lyric Opera House, a hub for the arts. For those seeking adventure, the Baltimore Inner Harbor Marina is nearby, providing outdoor fun and scenic views, making Midtown an ideal stop for a diverse experience.
• Hopkins Bayview: Situated 3 miles drive away from Dundalk, Hopkins Bayview is a neighborhood that caters to families and business travelers. It boasts a variety of venues where visitors can engage in shopping or attend music concerts. The Baltimore Convention Center serves as a prime location for conference attendees, while Patterson Park offers an urban retreat for families enjoying outdoor activities. The nearby Baltimore Inner Harbor Marina adds to the area's appeal, making it a well-rounded destination for both leisure and business.
• Graceland Park: Graceland Park is located around the area of Dundalk and is a fantastic spot for those who love outdoor activities and beach life. With a vibrant atmosphere, it features music concerts and easy access to local landmarks. Notable sites include the Baltimore Inner Harbor Marina, ideal for adventure seekers, and the historic Fort McHenry, which provides a glimpse into the area's rich past. The Baltimore Convention Center is also nearby, making Graceland Park a great choice for a blend of culture, outdoor enjoyment, and city experiences.

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—when flying 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 outfits effectively. This approach also allows you to avoid the wait at 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 you board.
• Arrive at the airport in plenty of time—even for short or domestic flights, it’s wise to arrive at least 1.5 to 2 hours prior to departure, taking into account traffic and security lines.
• Bring your own snacks and water—pack snacks and a refillable water bottle to stay hydrated and save money while 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—when it comes to longer flights, choosing your seat can greatly enhance your comfort. Full-service airlines typically allow free seat selection once online check-in opens, usually 24–48 hours prior to your flight. Some airlines may even permit seat selection before this time frame.
• Arrive at the airport in plenty of time—aim to be at the airport at least 3 hours before departure for international flights to accommodate 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 complimentary and readily available.
• Adjust to the new time zone mid-flight—begin syncing your body clock by changing your watch and adjusting your sleep schedule to align with your destination's time zone. Try to either sleep or stay awake during the flight according to the local time at 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

November 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 $46, while one-way tickets start from from $19. 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

Frontier Airlines, Southwest Airlines, United, Delta, American Airlines 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.