Prices were available within the past 7 days and start at $222 for one-way flights and $479 for roundtrip, for the period specified. Prices and availability are subject to change.
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Flights to Slagelse at a glance
Traveling to Slagelse is easy—simply select from a range of full-service or budget airlines, compare travel times, and choose the option that aligns with your budget, schedule, and plans to discover the city's renowned attractions and neighborhoods.
Major airport near Slagelse: Kastrup Airport (CPH)
Flights per week: 1,250+ flights arriving at Slagelse airport
Number of airlines that fly to Slagelse: around 50+ carriers
Popular airport near Slagelse
Slagelse is a charming city perfect for outdoor enthusiasts and families looking to immerse themselves in culture. Visitors are drawn to its beautiful beaches, stunning scenery, and adventurous activities. The city is conveniently accessible via a major airport, making travel easy.
Kastrup Airport (CPH): Situated in Tårnby Kommune, Hovedstaden, approximately 53 miles from Slagelse, this airport offers a wide range of domestic and international flights, connecting travelers to 1 domestic city and over 155 international locales. Passengers can opt for enhanced comfort by upgrading to business class or premium economy seating, depending on the airline and route. Notable carriers at Kastrup include SAS, Norwegian Air Shuttle, and Icelandair.
Top routes to Slagelse
London (LGW/LHR/STN) to Slagelse (CPH), with one-way fares starting at around $30
New York (JFK) to Slagelse (CPH), with one-way airfare from around $230
Boston (BOS) to Slagelse (CPH), with one-way airfare from around $200
Amsterdam (AMS) to Slagelse (CPH), with one-way tickets available from around $100
Los Angeles (LAX) to Slagelse (CPH), with one-way flights starting at around $270
Cheapest routes to Slagelse
Gdansk (GDN) to Slagelse (CPH), with low-cost one-way tickets from around $25
Paris (CDG/ORY/BVA) to Slagelse (CPH), with low-cost one-way tickets from around $25
Warsaw (WAW) to Slagelse (CPH), with affordable one-way prices from around $30
London (LGW/LHR/STN) to Slagelse (CPH), with affordable one-way prices from around $30
Poznan (POZ) to Slagelse (CPH), with budget one-way fares from around $30
*Flight times and fares vary by season and availability and are based on one-way routes
Top airlines with flights to Slagelse
SAS: This airline operates flights to Kastrup Airport (CPH), making up about 33% of arrivals in Slagelse. One-way fares hover around $320, with premium cabins like premium economy and business class available on select routes.
Norwegian Air Shuttle: Also servicing Kastrup Airport (CPH), this carrier represents roughly 12% of arrivals to Slagelse. Travelers can expect average one-way fares around $160, making it a budget-friendly option.
Icelandair: Flights to Kastrup Airport (CPH) from this airline account for around 7% of arrivals in Slagelse. The average one-way fare is approximately $470, with business class as a possible premium cabin choice based on the route.
Ryanair: This low-cost airline operates flights to Kastrup Airport (CPH), contributing about 6% of arrivals to Slagelse. Passengers can find one-way fares averaging around $80, ideal for budget travelers.
British Airways: Serving Kastrup Airport (CPH), this airline is responsible for about 5% of arrivals to Slagelse. One-way fares generally average $390, with business class available as a premium service option depending on the route.
Best time to fly to Slagelse
The most popular months for travelers to fly to Slagelse are June, July, and August, when peak temperatures in Slagelse can reach up to 63.5°F in July. If you prefer quieter travel, consider February, the least busy time to visit with temperatures around 34.5°F and typically the lowest average one-way fare (around $293), roughly 15% cheaper than the yearly average. Looking for additional cheaper months to fly? November, March, and October offer average one-way fares of around $318, making them good options for flexible travelers.
Month
Temperature
Precipitation
Cloudiness
Demand
Average one-way Fare
January
34.7°F (1.5°C)
Light Rain
Mostly Cloudy
Average
$320
February
34.5°F (1.4°C)
No Rain (Dry)
Mostly Cloudy
Low
$293
March
38.7°F (3.7°C)
No Rain (Dry)
Mostly Cloudy
Average
$317
April
45.1°F (7.3°C)
No Rain (Dry)
Mostly Sunny
Average
$342
May
52.9°F (11.6°C)
Light Rain
Mostly Sunny
Average
$357
June
60.1°F (15.6°C)
Light Rain
Mostly Sunny
High
$424
July
63.5°F (17.5°C)
Light Rain
Mostly Sunny
High
$381
August
63.3°F (17.4°C)
Light Rain
Mostly Sunny
High
$355
September
58.1°F (14.5°C)
Light Rain
Mostly Sunny
Average
$333
October
50.5°F (10.3°C)
Light Rain
Mostly Cloudy
Average
$320
November
43.5°F (6.4°C)
Light Rain
Mostly Cloudy
Low
$317
December
37.4°F (3.0°C)
Light Rain
Mostly Cloudy
Low
$389
*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 Slagelse
Getting some of the best deals on flights to Slagelse is all about timing and flexibility. Here are some key tips to help you save:
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.
Set up price alerts—as an Expedia member you can use Price Tracking to receive notifications when flight prices change.
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.
Earn miles—you can earn airline miles when you book your Slagelse flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.
*For members. Select hotels.
Arriving in Slagelse
Slagelse welcomes travelers through its range of transport options based on price, convenience, and proximity. Here's how to reach Slagelse efficiently:
Public transportation: From Kastrup Airport, both Kastrup Station (a train station) and Lufthavnen Station (a metro station) are conveniently located about 0.1 miles away and can be reached on foot, while Copenhagen Seaport (a seaport) is situated approximately 4.7 miles from the airport and is best accessed by car.
Hotel transfer: Transfers offer a convenient way to reach your hotel in Slagelse, with private rides that can be arranged in advance.
Car rental: Renting a car in Slagelse is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Slagelse 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 around Slagelse
Korsor: Located 10 miles away from Slagelse, Korsor offers a delightful mix of outdoor activities and cultural experiences. Visitors can enjoy a round of golf at one of the local courses or have fun at the nearby amusement park. The area is rich in historical landmarks, including the impressive Storebaelt Bridge and Tunnel, which is ideal for sightseeing. For a touch of culture, explore the Korsor Coastal Battery, a historic fort, or visit Halskov Church, a beautiful place of worship that showcases the city’s heritage.
Skælskør: Skælskør is located 11 miles away from Slagelse and is a charming city known for its stunning natural scenery. It is perfect for outdoor enthusiasts, with opportunities for adventure at the local amusement park and golf course. Travelers can unwind at Kobæk Strand, a scenic beach, or take a leisurely stroll through the enchanting Skaelskor Lystskov forest. Don't miss Agerso Molle, a historic windmill that adds to the picturesque landscape, making it a great destination for a day trip or a weekend getaway.
Gørlev: Gørlev is located 11 miles away from Slagelse and serves as a gateway to nature’s beauty. This city is surrounded by stunning landscapes, including cliffs and serene beaches, perfect for outdoor adventures. Key attractions include the historic Kirke Helsinge Kirke, offering cultural insights, and the fascinating Trelleborg, a golf course accommodation that caters to sports enthusiasts. The nearby De Gamle Gaarde Paa Reerso provides a glimpse into the past, making Gørlev an excellent choice for history buffs and nature lovers alike.
Tips for short-haul flights to Slagelse
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 affordable. Save space by choosing mini toiletries, wearing your bulkiest clothing, and planning your outfits carefully. This approach also allows you to avoid the wait at baggage claim upon arrival.
Bring your own entertainment—many short-haul flights may not provide in-flight entertainment. Download TV shows, movies, music, or podcasts ahead of time, and consider bringing a book to keep yourself engaged. 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 your 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 while at the airport.
Tips for long-haul flights to Slagelse
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 provide free seat selection once online check-in begins, typically 24–48 hours before your flight. Some airlines may allow you to select your seat even earlier.
Arrive at the airport in plenty of time—make sure to arrive at least 3 hours before departure for international flights to accommodate check-in, security, and immigration procedures.
Relax at the airport—if you have some 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. Most airports offer free Wi-Fi that you can use.
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 sleep or stay awake during the flight according to the local time of your arrival to help minimize jet lag.
Tips to find the cheapest flights to Slagelse
The cheapest day to fly
Get started finding a cheap flight to Slagelse 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
October is the cheapest month to fly to Slagelse. 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 Slagelse. 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 Slagelse, 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 Slagelse
The lowest price for round-trip flights to Slagelse in 2026 starts from $479, while one-way tickets start from from $222. 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 Slagelse. If you have a preferred departure time or airline, you can use the handy filters to customize your search.
The cheapest airlines flying to Slagelse
Icelandair, Air Canada, Delta, British Airways, American Airlines, Virgin Atlantic, Iberia are just some of the airlines that can typically offer cheap tickets to Slagelse. 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 Slagelse and countless more destinations worldwide.
The most affordable airports to fly into
To view the cheapest airports to fly into for Slagelse, 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 Slagelse. 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 Slagelse 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 Slagelse
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 Slagelse.
Stopover savings
The cheapest tickets to Slagelse are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Slagelse. 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 Slagelse 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 Slagelse. Simply download the free Expedia app to your smart device and activate Slagelse 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 Slagelse. 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.
Frequently Asked Questions
What month is the cheapest to fly to Slagelse?
October is the cheapest month to fly to Slagelse. There's less demand then, so fares are generally more affordable. Booking your trip outside of school breaks and major holidays could also help you save.
Which US cities fly direct to Slagelse?
There are 7 US destinations that you can fly to Slagelse directly from. Compare your options by using the "Direct flights only" filter on Expedia and find the best starting point for your trip. Here are a few of the top cities to set off from:
New York
Boston
Newark
Washington
San Francisco
How to find a cheap flight to Slagelse?
Book in advance to maximize your chances of getting cheap flights to Slagelse. Also, consider visiting during off-peak months like February and March. If you leave on a Thursday, you can save 16% on average compared to departing on a Sunday.* Save time searching every day and set up a price alert on the Expedia app. We'll notify you when fares drop.
*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Slagelse?
It's possible to get cheap deals on last-minute departures to Slagelse, especially if your travel arrangements aren't set in stone. Consider your options for jetting out of a different airport, changing your trip dates or choosing another carrier to get a cheap flight to Slagelse.
How far in advance should I book a flight to Slagelse?
Lock in your flight to Slagelse two to four months ahead if you're visiting from an international destination. For domestic travel, the general guideline is 28 days in advance. Lower prices and a greater choice of travel dates, times and seating options are some of the great reasons to book early.*
*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Slagelse?
Sundays are usually the best day to book a cheap flight to Slagelse, with savings of around 8% on average compared to a Friday. If you choose to purchase tickets on a Friday, expect to spend more as this is typically the most expensive day.*
*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Slagelse?
You can pick from two top airlines that fly to Slagelse. Zip up your suitcase and take off with either of these:
SAS - 239 flights to Slagelse each month, including 239 flights to Kastrup Airport (CPH) per month.
Delta Air Lines - 17 flights to Slagelse each month, including 17 flights to Kastrup Airport (CPH) per month.
Where do you fly into Slagelse?
If you're flying to Slagelse, the main airport to arrive at is Copenhagen (RKE-Roskilde).
How far is the airport from central Slagelse?
Touching down at Copenhagen (RKE-Roskilde) puts you around 35 mi northeast of the center of Slagelse.
Can I save money by booking a Slagelse trip package?
Book a Slagelse flight and hotel package deal on Expedia, and you could make significant savings. It's a breeze to bundle your hotel and flight, and you can even add car rentals and activities to create your own personalized Slagelse break. Plus, there's nothing like the convenience of booking everything in one place.
Can I change or cancel my flight to Slagelse?
If you reserved your flight to Slagelse in the last 24 hours, you can typically cancel or change it for free. After that, extra charges may apply depending on the airline's rules and restrictions. For more information, check out our Customer Service Portal. Bear in mind that some flights are non-refundable, so you may be offered a credit for future flights instead of a direct refund. When searching on Expedia, select the "No cancel fee" or "Changes included" filters to find fares with flexible change policies.
Travel information
Destination city name
Copenhagen
Destination airport
Copenhagen Airport, Kastrup
Destination airport IATA code
CPH
Airlines serving
Lufthansa, SAS, KLM, Swiss International Air Lines, British Airways, Air France, Finnair, Austrian Airlines, Brussels Airlines, LOT-Polish Airlines, Iberia, Turkish Airlines, Norwegian Air International Ltd, Air Baltic, Norwegian Air Shuttle, TAP Portugal, Air Canada, Icelandair, Emirates, Qatar Airways, Singapore Airlines, Luxair, Etihad Airways, Thai Airways International, easyJet, IndiGo, Delta, Virgin Atlantic, American Airlines, Air Europa, Air Serbia, United, Eurowings, Ryanair, Vueling Airlines, ITA Airways
Prices were available within the past 7 days and start at $222 for one-way flights and $479 for roundtrip, for the period specified. Prices and availability are subject to change.