Find flights
When to book
FAQs

Cheap flights from Boston to Costa Rica

BOS — SJO
19 Oct — 26 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Boston to Costa Rica

Popular in

December

Cheapest in

October

Average price

£340
Highest demand for flights based on searches. 3% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Insights

Everything you need to know about your flight from Boston to Costa Rica

How far ahead should I book a flight from Boston to Costa Rica?

The price you pay for your flight from Boston to Costa Rica may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to Costa Rica?

Currently, October is the cheapest month in which you can book a flight from Boston to Costa Rica (average of £298). Flying from Boston to Costa Rica in December is currently the most expensive (average of £490). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

  • What airport do you fly from for flights from Boston to Costa Rica?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Costa Rica. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

  • Can I find deals for flights from Boston to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Boston to Costa Rica flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Costa Rica.

  • Can I find deals for business class flights from Boston to Costa Rica?

    Yes. Cheapflights offers flight deals from Boston to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Costa Rica?

    Currently, October is the cheapest month in which you can book a flight from Boston to Costa Rica (average of £298). Flying from Boston to Costa Rica in December is currently the most expensive (average of £490). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Complete your trip

Costa Rica car hire
San José Juan Santamaria Intl Airport car hire
Liberia Airport car hire
Liberia car hire

Fly with Cheapflights

How does Cheapflights help users find flights from Boston to Costa Rica?

When you search for this flight from Boston to Costa Rica, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Boston to Costa Rica?

Cheapflights helps you find that perfect flight to Costa Rica from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Boston to Costa Rica with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Costa Rica, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Boston to Costa Rica become cheaper?

Of course! You can now track prices for flights from Boston to Costa Rica and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.