Cheap Flights to County Down from $21

Flights to County Down at a glance

Getting to County Down is straightforward; you can choose from various airlines offering cheap flights to Northern Ireland or full-service options. Compare airfare to County Down and select the best choice that aligns with your budget and travel plans to visit its renowned attractions. Popular sites in and around County Down include castles, mountains, and lakes, perfect for outdoor adventures and cultural experiences. Notable highlights are Titanic Belfast, Mourne Mountains, and Ormeau Park, each offering unique scenery and activities for travelers.

• Major airport in County Down: George Best Belfast City Airport (BHD) serving Belfast
• Flights per week: 140+ flights arriving at County Down airport
• Number of airlines that fly to County Down: around 5+ carriers

Popular airport in County Down

County Down is a beautiful destination perfect for outdoor enthusiasts and adventure seekers. Visitors flock here for family-friendly activities, eco-tourism, cultural experiences, and stunning scenery. The county is conveniently accessible via a major airport, making travel planning easier.

• George Best Belfast City Airport (BHD): Situated in County Down, Northern Ireland, this airport facilitates both domestic and international flights. It connects to approximately 8 domestic cities and over 10 international destinations. Passengers have the option to enhance their travel experience by upgrading to business class on select routes and airlines. Notable carriers operating from this airport include British Airways, Aer Lingus, and American Airlines.

Top routes to County Down

• London (LGW/LHR/LCY) to Belfast (BHD), with one-way fares starting at around $50
• Edinburgh (EDI) to Belfast (BHD), with one-way flight options from around $50
• Glasgow (GLA) to Belfast (BHD), with one-way flights starting at around $40
• Inverness (INV) to Belfast (BHD), with one-way airfare from around $100
• Boston (BOS) to Belfast (BHD), with one-way flight options from around $280

Cheapest routes to County Down

• Glasgow (GLA) to Belfast (BHD), with budget one-way fares from around $40
• Birmingham (BHX) to Belfast (BHD), with low-cost one-way tickets from around $45
• London (LGW/LHR/LCY) to Belfast (BHD), with cheap one-way fares from around $50
• Edinburgh (EDI) to Belfast (BHD), with cheap one-way fares from around $50
• Manchester (MAN) to Belfast (BHD), with low-cost one-way tickets from around $55

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

Best time to fly to County Down

The most popular months for travelers to fly to County Down are March, July, and August, when peak temperatures in County Down can reach up to 58.1°F in July. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 44.8°F. For better deals, October usually offers the lowest average one-way fare around $180, roughly 27% cheaper than the yearly average. Looking for additional cheaper months to fly? March offers an average one-way fare of around $195, making it a good option for flexible travelers.

Month	Temperature	Precipitation	Cloudiness	Demand	Average one-way Fare
January	39.9°F (4.4°C)	Light Rain	Mostly Cloudy	Average	$309
February	39.9°F (4.4°C)	Light Rain	Mostly Cloudy	Low	$274
March	42.3°F (5.7°C)	Light Rain	Mostly Cloudy	High	$195
April	45.9°F (7.7°C)	Light Rain	Mostly Cloudy	Average	$205
May	50.5°F (10.3°C)	Light Rain	Mostly Cloudy	Average	$213
June	55.8°F (13.2°C)	Light Rain	Mostly Cloudy	Average	$259
July	58.1°F (14.5°C)	Light Rain	Mostly Cloudy	High	$278
August	57.4°F (14.1°C)	Light Rain	Mostly Cloudy	High	$233
September	54.5°F (12.5°C)	Light Rain	Mostly Cloudy	Average	$227
October	50.2°F (10.1°C)	Light Rain	Mostly Cloudy	Average	$180
November	44.8°F (7.1°C)	Light Rain	Mostly Cloudy	Low	$273
December	41.2°F (5.1°C)	Light Rain	Mostly Cloudy	Low	$328

*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 County Down

Getting some of the best deals on flights to County Down 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—stay up to date on fare changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save—book a flight and unlock a hotel deal on Expedia*, or explore our County Down hotel and flight deals.
4. Travel during shoulder season-peak travel periods tend to push the flight fares a little higher than usual. Traveling outside of these busy periods can help you find more competitive prices while still being able to enjoy good weather and lesser crowds.
5. Be flexible with your travel dates-if your schedule allows it, try and search for a few different departure and return dates as this may help you find lower fares.
6. Consider economy fares-if you're traveling light and don't need extras like seat selection or additional baggage, opting for a basic economy fare can be a simple way to keep costs down. Just make sure to check what's included in the flight ticket before confirming your booking.
7. Think about luggage—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.
8. Earn miles—you can earn airline miles when you book with Expedia. Make sure to select your frequent flyer program and enter your program number when confirming your booking to get more value from your trip.

*For members. Select hotels.

Where to stay in County Down

• Hillsborough: Hillsborough is located in the area of County Down and offers a delightful blend of outdoor activities, family-friendly attractions, and cultural experiences. Visitors can enjoy golf at local courses or explore the stunning Hillsborough Castle, which is perfect for a romantic getaway or cultural vacation. For those seeking leisure, the nearby park and national park provide beautiful scenery and opportunities for relaxation. Hillsborough also features Queen's University of Belfast and Boucher Road Playing Fields, catering to various interests and ensuring a memorable visit.
• Dundonald: Dundonald is located around the area of County Down and is a vibrant neighborhood ideal for outdoor enthusiasts and sports lovers. With attractions such as ice skating and golf courses, there's plenty of action to keep visitors engaged. Key highlights include Titanic Belfast, a must-visit maritime museum, and the historic Stormont Parliament Buildings, which offer a glimpse into the region's governance. Belfast City Hall is also nearby, making Dundonald a fantastic base for exploring the cultural and historical richness of the area.
• Strangford: Strangford is located in the area of County Down and is a charming village known for its stunning scenery and outdoor adventures. Travelers can enjoy recreational areas and golf courses, while the picturesque Killyleagh Castle stands as a romantic landmark worth visiting. Other notable sites include Down Cathedral and St. John's Point Lighthouse, which enhance the village's cultural allure. Whether you're looking for adventure or a peaceful retreat, Strangford's natural beauty and historic sites are sure to captivate you.

Tips for short-haul flights to County Down

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, traveling with just a carry-on is often more economical. Maximize your space by using travel-sized toiletries, wearing your bulkiest clothing, and coordinating outfits effectively. This also allows you to avoid the hassle of waiting at baggage claim upon arrival.
• Early check in—nearly all airlines allow you to check in online at least 24 to 48 hours before your flight. This not only saves you time at the airport but may also give you the chance to select a preferred seat at no extra cost.
• Bring your own entertainment—many short-haul flights do not provide in-flight entertainment. Download your favorite TV shows, movies, music, or podcasts ahead of time, and consider bringing a book to keep yourself entertained. Be sure to fully charge your devices before boarding.
• Arrive early—even for short flights, it’s advisable to arrive at least 1.5–2 hours before departure to account for traffic and security lines.
• Bring your own snacks and water—pack some snacks and a refillable water bottle to stay hydrated and save money while at the airport.

Tips for long-haul flights to County Down

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 typically allow free seat selection once online check-in opens, usually 24 to 48 hours before your flight. Some airlines may offer this option sooner, but it could come with an additional fee.
• Arrive early—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 have extra time, take the opportunity to explore the shops, visit a coffee shop, or unwind at the gate or in a departure lounge if you have access.
• Adjust to the new time zone mid-flight—begin syncing your body clock by changing your watch and adjusting your sleep schedule to match your destination's time zone. Try to sleep or stay awake during the flight according to the local time at your arrival destination to help minimize jet lag.
• Dress comfortable—the journey will be long, so opt for loose, comfortable clothing and layers, as cabin temperatures can fluctuate.
• Stay hydrated—bring a refillable water bottle and drink plenty of water to stay hydrated, ensuring you feel your best upon arrival.