HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Brava

$427+ Cheap flights from Boston (BOS) to Costa Brava (GRO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GRO
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Costa Brava with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boston to Costa Brava

One-way flights from Boston to Costa Brava
Search for one-way flight options from Boston to Costa Brava. Find affordable one-way fares based on user searches. Data last updated December 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:30 pmBOS - GRO
1 stop22h 25mMultiple Airlines
Deal found 12/16$427

Find flight deals from Boston to Costa Brava

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Costa Brava (GRO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Popular in

June

Cheapest in

September

Average price

$718
Provider with most accurate pricing for Boston Logan Intl-Girona Costa Brava flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Girona Costa Brava flights.
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Costa Brava that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from Boston to Girona Costa Brava Airport that are best for you.

Fly from

Boston

Fly to

Costa Brava

Route

Depart

Return

Price

BostonGirona

BOS - GRO

BOSGRO

Boston Logan Intl

Mon 6/1

5:30 pm-9:55 pm

1 stop22h 25m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

  • Most accurate provider: When it comes to deals on Boston-Girona Costa Brava Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Girona Costa Brava Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Girona Costa Brava Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Girona Costa Brava Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Girona Costa Brava Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Costa Brava

Have a flexible travel schedule? Discover the best time to fly to Costa Brava from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Boston to Costa Brava. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Girona Costa Brava. You should not have trouble finding flights to Girona Costa Brava from Logan Intl; the airport handles an average of 0 outbound flights to Girona Costa Brava per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Boston airport to Girona Costa Brava. 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 Brava that include hotel bookings?

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

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

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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.