Submit feedbackSubmit feedbackComplete travel information for your December journey
For international departures from Hartsfield–Jackson Atlanta International Airport (ATL) in December, arrive at least 3 hours before your scheduled departure due to holiday crowds and potential winter delays. Check-in desks and TSA lines can be busier during December evenings and around holiday travel dates, so allow extra time for luggage drop and security checks.
Popular options to reach Hartsfield–Jackson Atlanta International Airport (ATL) include MARTA rail service (prepaid Breeze Card recommended), rideshare services, airport shuttles, and taxis. In December, watch for increased traffic near downtown due to holiday events; MARTA often offers the most predictable travel time during peak periods.
For December travel from Hartsfield–Jackson Atlanta International Airport (ATL) to Copenhagen Airport, Kastrup (CPH), book 2–4 months in advance for better fares, and monitor price trackers for deals during September–November. Holiday weeks (mid-December and the week after Christmas) typically see the highest demand, so locking in seats earlier increases your chances of cheaper transatlantic fares.
Most ATL to CPH itineraries in December operate with one stop, typically via major European hubs such as Amsterdam (AMS), Paris (CDG), Frankfurt (FRA), or London Heathrow (LHR). Nonstop transatlantic service from Hartsfield–Jackson Atlanta International Airport (ATL) to Copenhagen Airport, Kastrup (CPH) is rare; expect one-stop options from carriers like KLM, Lufthansa, British Airways, and codeshares.
Baggage allowances depend on the operating airline and fare class; most European carriers permit one carry-on and one personal item, with checked bag fees varying by carrier. Because winter clothing is heavier for December travel, check your airline's checked baggage policy in advance to avoid overweight fees and consider compressible packing cubes to save space.
Hartsfield–Jackson Atlanta International Airport (ATL) features a wide range of lounges (Delta Sky Club, airline lounges via membership/credit cards), restaurants, and heated indoor spaces—helpful during cold December travel. For long layovers, book lounge access for Wi-Fi, complimentary snacks, and comfortable seating, especially useful when connecting through ATL on transatlantic itineraries.
The fastest option from Copenhagen Airport, Kastrup (CPH) to central Copenhagen is the regional train (DSB) that takes about 13 minutes to Copenhagen Central Station (København H). In December, trains run on regular schedules, but allow extra time for luggage and short delays during holiday periods.
Taxis are readily available at Copenhagen Airport, Kastrup (CPH) taxi ranks and rideshare services operate as well, but expect slightly higher wait times on busy December evenings or during Christmas events. For predictable travel times and costs, consider pre-booked airport transfers or use the public train/metro for central destinations.
In December, Copenhagen is cold and often damp, with average highs around 3–6°C (37–43°F) and short daylight hours. Pack a warm, waterproof coat, layers, and good footwear for walking between attractions like Nyhavn and Tivoli Gardens, which are popular in December for Christmas markets and lights.
Copenhagen Airport, Kastrup (CPH) provides easy rail connections to Malmö (about 35–45 minutes via Öresund Bridge) and onward connections to Aarhus via national trains. December schedules are regular but check for holiday-specific timetable changes and book longer intercity legs in advance to secure seats.
December is peak festive season in Copenhagen with Tivoli Gardens' Christmas market, Nyhavn lights, and numerous holiday food markets—these events increase demand for flights and hotels. In Atlanta, December attractions such as Atlanta Botanical Garden’s Garden Lights and ZooLights generate higher outbound traffic from Hartsfield–Jackson Atlanta International Airport (ATL). Travelers should book both flights and accommodation early when planning their ATL to CPH December trip.
For December travel from Hartsfield–Jackson Atlanta International Airport (ATL) to Copenhagen Airport, Kastrup (CPH), the best time to book is typically 2–4 months ahead; for peak holiday travel, book as early as 4–6 months when possible. Flying mid-week (Tuesday–Thursday) and avoiding peak travel dates around December 20–26 and December 31–January 2 often yields lower fares. If you prefer fewer connections, target single-stop itineraries with reliable carriers even if they cost slightly more to reduce winter disruption risk.
Because nonstop ATL to CPH service is uncommon, most travelers choose one-stop connections. Connecting via Amsterdam (AMS) or Frankfurt (FRA) often provides the best balance of flight time and cost, while London Heathrow (LHR) and Reykjavik (KEF) can offer competitive fares. Direct (nonstop) flights would save time but are rare for this city pair; connecting flights frequently lower fares but add risk of delay in December. To minimize issues, select itineraries with at least 90–120 minutes for European layovers and favor single-operator tickets to ensure through-check of baggage.
Top options for Hartsfield–Jackson Atlanta International Airport (ATL) to Copenhagen Airport, Kastrup (CPH) routes in December include KLM (via Amsterdam AMS), Lufthansa (via Frankfurt FRA), British Airways (via London LHR), and Icelandair (via Reykjavik KEF). KLM often offers efficient connections through AMS with streamlined transfers and modern amenities; Lufthansa provides robust network connectivity through FRA; British Airways can be competitive but may require longer connection times; Icelandair sometimes offers attractive fares with a stop in KEF and optional stopovers in Iceland.
Pack layers, a waterproof outer shell, warm gloves and a hat for Copenhagen in December — daylight is limited and temperatures are chilly. Allow extra connection time for European hubs like Amsterdam or Frankfurt during winter; airlines may proactively rebook passengers in case of weather disruptions. Carry essential medications and a change of clothes in carry-on bags in case of delayed baggage. Download offline maps and have contact info for accommodations and transfer providers. Finally, check travel insurance options that cover winter delays and cancellations.
There are typically no regular nonstop flights between Hartsfield–Jackson Atlanta International Airport (ATL) and Copenhagen Airport, Kastrup (CPH); expect total travel times of about 11–16 hours including a single layover. Common connection hubs include Amsterdam (AMS), Frankfurt (FRA), London Heathrow (LHR), and Reykjavik (KEF). Red-eye departure options from ATL can result in morning arrivals in Copenhagen, while daytime departures often arrive late afternoon or evening depending on connection windows. December schedules can be adjusted by airlines for holiday demand, so verify flights close to booking.
To secure cheap flights from Hartsfield–Jackson Atlanta International Airport (ATL) to Copenhagen Airport, Kastrup (CPH) in December, start searching 8–12 weeks before travel and set multiple price alerts. Check itineraries with one stop in Amsterdam (AMS) or Reykjavik (KEF) for lower fares, and compare budget-friendly carriers plus legacy airlines. Use flexible-date search, opt for mid-week departures, and consider nearby departure alternatives if you can shift dates. Consider booking separate legs (e.g., ATL to a major European hub, then hub to CPH) only if you have sufficient connection time and flexible tickets.
Copenhagen Airport, Kastrup (CPH) offers luggage storage and left-luggage services near the terminal; services remain available in December but can be busier during Christmas market openings. Confirm opening hours ahead of arrival and consider booking long-term storage if you're planning to explore Copenhagen without your bags.
U.S. citizens typically enter Denmark visa-free for short stays (up to 90 days) with a valid passport; however, passport validity rules still apply—ensure your passport is valid for the duration of your stay. Always check current entry requirements before traveling in December, including any transit visa needs for connecting countries.
