$300 Cheap Flights from Boston (BOS) to Copenhagen (CPH)
Popular airlines from Logan International Airport (BOS) to Copenhagen Airport, Kastrup (CPH)
IcelandairIcelandair
SASSAS
TAP PortugalTAP Portugal
LufthansaLufthansa
Brussels AirlinesBrussels Airlines
FinnairFinnair
British AirwaysBritish Airways
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Cheap Flights from Boston to Copenhagen (BOS-CPH)
Alternative airports near Copenhagen
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Boston (BOS) to Copenhagen (CPH)
November is typically the cheapest month to flyNovember is typically the cheapest month to fly
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Boston (BOS) to Copenhagen (CPH) at a glance
Embark on an exciting journey with various airlines offering flights from Boston Logan International Airport (BOS) to Copenhagen Kastrup Airport (CPH) on this long-haul international route. Explore a range of options from full-service carriers as you seek the best flight prices that align with your budget and schedule. Prepare to discover the iconic sights and vibrant neighborhoods of Copenhagen while planning your travel itinerary.
- Fastest flight duration: around 7h 30m non-stop
- Route distance: roughly 3,700 miles (5,950 km)
- Flights per week: around 14 flights with multiple daily departures on average
- Typical fares (one-way): economy tickets often range from $200–$635, depending on seasonality and how far ahead you book
Flights from Logan International Airport (BOS) to Kastrup Airport (CPH)
Based on the latest traveler bookings, here are the top airlines favored for flights from Boston to Copenhagen, particularly for non-stop and one-stop options. Popular layover airports include Keflavik International Airport (KEF) with a layover of about 1 hour and 30 minutes, Schiphol Airport (AMS) at approximately 1 hour and 45 minutes, and Heathrow Airport (LHR) with a 2 hour and 15 minute layover. This variety allows you to balance price, total travel time, and cabin class to create the ideal travel itinerary.
- SAS: This full-service airline provides both non-stop and one-stop flights, with one-way prices generally falling between $225 and $1080. It represents about 38% of departures on this route, featuring a standard non-stop flight duration of 7 hours and 30 minutes.
- Icelandair: As a full-service airline, Icelandair offers one-stop journeys, with one-way fares usually ranging from $210 to $760. Covering around 23% of departures, the flight time is approximately 8 hours and 30 minutes, totaling about 10 hours and 15 minutes when layover time is included.
- Fly Play: This full-service carrier provides one-stop service, with one-way fares typically between $200 and $395. It accounts for roughly 6% of flights on this route, featuring an in-flight duration of 8 hours and 30 minutes and a combined journey time of approximately 10 hours and 15 minutes, including layover.
- Delta: Operating as a full-service airline, Delta offers both non-stop and one-stop options, with one-way ticket prices generally from $225 to $765. It makes up about 6% of departures, with a standard 1-stop flight time of 8 hours and 30 minutes and a total travel duration of around 10 hours and 15 minutes.
- United: This full-service airline features one-stop flights, with one-way fares typically ranging from $225 to $980. It constitutes about 5% of the departures on this route, with an in-flight time of 8 hours and 30 minutes and a full journey duration close to 10 hours and 15 minutes, including layover.
Travelers flying from Boston to Copenhagen have the option to upgrade their experience. SAS provides both Business Class and Premium Economy, while Icelandair also offers Business Class for enhanced travel comfort.
Best time to fly from Boston (BOS) to Copenhagen (CPH)
The most popular months for travelers flying from Boston to Copenhagen are March, April, and July, when peak temperatures in Copenhagen reach up to 64.2°F in July. If you prefer quieter travel, consider February, the least busy time to visit with temperatures around 34.9°F and typically the lowest average one-way fare (around $320). Flight availability peaks in August, with approximately 20 flights per week, making it easier to find convenient departure times.
- Cheapest time to fly: February usually offers good deals with average one-way fare around $320, roughly 25% cheaper than the yearly average.
- Another budget-friendly time to fly: October typically offers an average one-way fare of around $328.
- Most flight options: August has the highest number of flights from Boston to Copenhagen, with approximately 20 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 35.2°F (1.8°C) | Average | 11 | $419 |
| February | 34.9°F (1.6°C) | Low | 10 | $320 |
| March | 38.5°F (3.6°C) | High | 15 | $374 |
| April | 45.1°F (7.3°C) | High | 14 | $454 |
| May | 53.1°F (11.7°C) | Average | 14 | $426 |
| June | 60.6°F (15.9°C) | Average | 19 | $554 |
| July | 64.2°F (17.9°C) | High | 19 | $496 |
| August | 64.2°F (17.9°C) | Average | 20 | $434 |
| September | 59.0°F (15.0°C) | Average | 12 | $534 |
| October | 51.4°F (10.8°C) | Low | 13 | $328 |
| November | 44.6°F (7.0°C) | Low | 13 | $362 |
| December | 38.1°F (3.4°C) | Average | 15 | $446 |
*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.
Alternative route from Boston (BOS) to Copenhagen (CPH)
- Boston to Copenhagen (BOS-RKE): Located approximately 20 miles from Kastrup Airport (CPH), Roskilde Airport (RKE) serves as an alternate gateway to the Danish capital.
How to find the best prices for flights from Boston (BOS) to Copenhagen (CPH)
Getting some of the best deals on flights from Boston to Copenhagen is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, which aligns with most travelers' booking habits. Evening departures (6 PM to 12 AM) often offer lower prices, while afternoon flights (12 PM to 6 PM) are the most popular. Additionally, flying on Sunday typically yields cheaper prices, though Friday remains the busiest travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- 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.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- 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 allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Kastrup Airport from Logan International Airport
Copenhagen welcomes travelers from Boston with a range of transport options based on price, convenience, and proximity. Copenhagen city center is approximately a 10-minute drive (covering about 5 miles) from Kastrup Airport, depending on traffic. Here's how to reach Copenhagen efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Copenhagen, with private rides that can be arranged in advance.
- Car rental: Renting a car from Kastrup Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Kastrup Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From Kastrup Airport, Kastrup Station, a train station, and Lufthavnen Station, a metro station, are both conveniently located about 0.1 miles away on foot, making access to public transport easy. For those looking to travel by sea, Copenhagen Seaport is situated approximately 4.7 miles from the airport by car.
Boston to Copenhagen Flights
The cheapest times to fly from Boston to Copenhagen
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Copenhagen are during the month of October. You can find some of the cheapest flights from Boston to Copenhagen with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Boston to Copenhagen
Sunday is one of the best days to book for cheap flights from Boston to Copenhagen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Boston to Copenhagen
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Copenhagen in 2026. You can also book with separate airlines for your outbound and return journeys, from $300 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Copenhagen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Copenhagen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
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
How much does a flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) cost?
You can find cheap one-way flights from $300 and cheap return flights $498 Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) with Expedia. One-way flights generally range between $348 and $7243, and roundtrip flights usually range from $497 to $6364. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
January is the cheapest month to fly from Boston, MA (BOS) to Copenhagen (CPH), with average return fares around $526. This is about 19% lower than the average price throughout the year, as travel demand typically drops after the holiday season. Other budget-friendly months include September and October.
*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
Enter BOS to CPH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
Delta is one of the cheapest airlines offering nonstop flights from Logan Intl. (BOS) to Kastrup (CPH), with round-trip tickets starting from around $1,229. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
The best airline to fly with from Boston, MA (BOS) to Copenhagen (CPH) will differ from traveler to traveler. If you like to fly early, SAS offers early morning flights. If price is the most important factor, SAS typically offers the lowest fares. Delta offers the most daily flights from BOS to CPH, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
The best time to fly from Boston to Copenhagen is typically in January or October. During these months, you can find return flights at around $526, making them the cheapest times to travel. January is ideal as it follows the holiday rush, while October offers pleasant fall weather, allowing you to enjoy your trip without the crowds.
*Prices based on flights available on Expedia in the last year.
How many flights per day from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
On average, there are around 1 nonstop flights per day from Logan Intl. (BOS) to Kastrup (CPH). For more options, look at flights that include layovers.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
The earliest flight from Logan International Airport (BOS) to Kastrup Airport (CPH) typically departs at around 5:10 AM, operated by JetBlue Airways, Condor, and Lufthansa. This seasonal service is available in December, allowing you to begin your journey early and enjoy more time in Copenhagen. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
For flights from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup), the most popular departure times are in the evening, from 6pm to 9pm. This time window captures around 35% of total traffic. Major airlines such as American Airlines, British Airways, and Lufthansa operate flights during this period. This timing works well because it allows you to enjoy a full day in Boston before your evening flight.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
Direct flights from BOS to CPH usually take about 7 hours 30 minutes, traveling roughly 3,660 miles. If you opt for a connecting flight, expect to add around 4 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
You can fly business class between BOS and CPH. Airlines that offer business class service on this route include:
- SAS
- Lufthansa
- British Airways
- Austrian Airlines
- Air France
- TAP Portugal
- Air Canada
- Virgin Atlantic
- United Airlines
- Swiss International Air Lines
First class cabins are available on:
- Swiss International Air Lines
- Lufthansa
- United Airlines
How much is a business class flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
A direct, return business class ticket from Boston (BOS) to Copenhagen (CPH) typically costs between $10,832 - $12,906. A non-stop, one-way business class flight is usually around $7,886 - $13,549. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) if you opt for a connecting flight.
*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Copenhagen from Logan Intl. (BOS)?
From Logan Intl. (BOS), you can fly into Kastrup (CPH) to reach Copenhagen. Some flights may connect through major hubs like John F. Kennedy Intl. (JFK), Liberty Intl. (EWR), Washington Dulles Intl. (IAD) before reaching Copenhagen. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) Copenhagen Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
If you booked your Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport | Logan International Airport |
|---|---|
Destination airport | Copenhagen Airport, Kastrup |
Distance | 3,659 miles away |
Airlines serving | Icelandair, SAS, TAP Portugal, Lufthansa, Brussels Airlines, Finnair, British Airways, Turkish Airlines, Swiss International Air Lines, Air Canada, Iberia, JetBlue Airways, Austrian Airlines, SATA International-Azores Airlines S.A., KLM, Delta, Air France, United, American Airlines, Virgin Atlantic, Singapore Airlines, Air Europa |
Popular airline | Icelandair |
Roundtrip price | $498 |
Average flight time | 7 hours 18 mins |