$109 Cheap Flights from Boston (BOS) to Cartagena (CTG)

View $109 flight on Tue, Aug 5, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Rafael Nunez Intl. Airport (CTG)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Boston to Cartagena (BOS-CTG)

Prices were available within the past 7 days and start at $109 for one-way flights and $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Aug 26 - Sat, Aug 30
BOS
Boston
CTG
Cartagena
$251 Roundtrip, found 2 hours ago
$251
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Tue, Aug 26 from Boston to Cartagena, returning Sat, Aug 30, priced at $251 found 2 hours ago
Spirit Airlines
Sat, Aug 9 - Tue, Aug 12
BOS
Boston
CTG
Cartagena
$261 Roundtrip, found 4 hours ago
$261
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Sat, Aug 9 from Boston to Cartagena, returning Tue, Aug 12, priced at $261 found 4 hours ago
Spirit Airlines
Sat, Aug 9 - Tue, Aug 12
BOS
Boston
CTG
Cartagena
$271 Roundtrip, found 4 hours ago
$271
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Sat, Aug 9 from Boston to Cartagena, returning Tue, Aug 12, priced at $271 found 4 hours ago
Spirit Airlines
Tue, Aug 12 - Sat, Aug 16
BOS
Boston
CTG
Cartagena
$275 Roundtrip, just found
$275
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Aug 12 from Boston to Cartagena, returning Sat, Aug 16, priced at $275 just found
Spirit Airlines
Mon, Sep 1 - Tue, Sep 9
BOS
Boston
CTG
Cartagena
$280 Roundtrip, found 1 hour ago
$280
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Mon, Sep 1 from Boston to Cartagena, returning Tue, Sep 9, priced at $280 found 1 hour ago
Spirit Airlines
Sat, Sep 27 - Thu, Oct 2
BOS
Boston
CTG
Cartagena
$281 Roundtrip, found 2 hours ago
$281
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Sat, Sep 27 from Boston to Cartagena, returning Thu, Oct 2, priced at $281 found 2 hours ago
Copa
Thu, Sep 18 - Tue, Sep 23
BOS
Boston
CTG
Cartagena
$332 Roundtrip, found 2 hours ago
$332
Roundtrip
found 2 hours ago
Select Copa flight, departing Thu, Sep 18 from Boston to Cartagena, returning Tue, Sep 23, priced at $332 found 2 hours ago
American Airlines
Sat, Jan 24 - Sat, Jan 31
BOS
Boston
CTG
Cartagena
$344 Roundtrip, just found
$344
Roundtrip
just found
Select American Airlines flight, departing Sat, Jan 24 from Boston to Cartagena, returning Sat, Jan 31, priced at $344 just found
Delta
Sat, Oct 18 - Sat, Nov 1
BOS
Boston
CTG
Cartagena
$344 Roundtrip, found 2 hours ago
$344
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Oct 18 from Boston to Cartagena, returning Sat, Nov 1, priced at $344 found 2 hours ago
avianca
Tue, Nov 11 - Mon, Nov 17
BOS
Boston
CTG
Cartagena
$378 Roundtrip, found 11 hours ago
$378
Roundtrip
found 11 hours ago
Select avianca flight, departing Tue, Nov 11 from Boston to Cartagena, returning Mon, Nov 17, priced at $378 found 11 hours ago

Find the cheapest month to fly from Boston (BOS) to Cartagena (CTG)

January is typically the cheapest month to fly

From $224 - $555 per traveler.

Graph displaying average flight prices per month

Flights from Boston (BOS) to Cartagena (CTG)
Origin airport
Logan Intl.
Destination airport
Rafael Núñez Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, JetBlue Airways, LATAM Airlines Group, Spirit Airlines, United, avianca
Roundtrip price
$251
Distance
2222 mi

Boston to Cartagena Flights

The cheapest times to fly from Boston to Cartagena

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 Cartagena are during the month of August. You can find some of the cheapest flights from Boston to Cartagena with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Cartagena

Sunday is one of the best days to book for cheap flights from Boston to Cartagena: 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 Cartagena

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 Cartagena in 2025. You can also book with separate airlines for your outbound and return journeys, from $109 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 Cartagena 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 Cartagena 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 Logan Intl. Airport (BOS) to Rafael Nunez Intl. Airport (CTG) cost?
Discover the latest flight deals from BOS to CTG by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BOS to CTG?
The cheapest flights from BOS to CTG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BOS to CTG?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BOS to CTG. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Logan Intl. Airport (BOS) to Rafael Nunez Intl. Airport (CTG)?
Nonstop flights from Logan Intl. Airport (BOS) to Rafael Nunez Intl. Airport (CTG) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOS to CTG?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Rafael Nunez Intl. Airport (CTG)?
To arrive at Rafael Nunez Intl. Airport (CTG) on schedule, book a flight that leaves from Logan Intl. Airport (BOS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Rafael Nunez Intl. Airport (CTG) last-minute?
Holding off until right before your break to book your flight from BOS to CTG often results in higher prices. While it's possible to find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans to boost your chances of getting a bargain.
Is it cheaper to book a BOS to CTG flight and hotel package?
Booking a BOS to CTG flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Rafael Nunez Intl. Airport (CTG)?
In most cases, you can cancel or reschedule your BOS to CTG flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need further information, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.