Cheap flights from Boston to Barcelona from $167
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Barcelona departing on 10/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Boston to Barcelona-El Prat Airport
Our best United Airlines deals on Boston to Barcelona-El Prat Airport flight tickets
Finnair flights from Boston to Barcelona-El Prat Airport
Our best Finnair deals on Boston to Barcelona-El Prat Airport flight tickets
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How to get the cheapest flight ticket from Boston to Barcelona-El Prat Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Boston and Barcelona-El Prat Airport?
What is the cheapest month to fly to Barcelona-El Prat Airport?
The cheapest month to fly to Barcelona-El Prat Airport from Boston is in January. Flight prices, which tend to average around $472, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Barcelona-El Prat Airport from Boston during March instead. Flights to Barcelona-El Prat Airport in March, while not as cheap as those in January, still average around $477.
What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?
The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $561. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $691. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.
What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?
Flying to Barcelona-El Prat Airport from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $613 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $830 on average. Flights to Barcelona-El Prat Airport from Boston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Boston Logan Intl to Barcelona-El Prat flight route?
Fly from Boston Logan Intl to Barcelona-El Prat for the best Boston Logan Intl - Barcelona-El Prat flight prices
How far in advance should I book a flight to Barcelona-El Prat Airport?
You are more likely to see cheaper flights to Barcelona-El Prat Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $582 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Boston for as low as $435 on momondo.
What cabin class options are available on Boston Logan Intl to Barcelona-El Prat flights?
There are 3 cabin classes available to choose from on Boston Logan Intl to Barcelona-El Prat flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Boston Logan Intl to Barcelona-El Prat?
Icelandair, Iberia, and TAP AIR PORTUGAL are the most popular carriers operating from Boston Logan Intl to Barcelona-El Prat
What airlines fly to Barcelona-El Prat Airport?
Iberia, LEVEL and Vueling are the top three most popular airlines that fly to Barcelona-El Prat Airport from Boston according to our data. Iberia is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 22 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Boston to Barcelona-El Prat Airport on average per day?
The number of flights available between Boston and Barcelona-El Prat Airport is 2 per day as of July 2025. The most frequent departure time is 10:00PM, with 55% of daily flights leaving in the evening.
How many flights depart from Boston to Barcelona-El Prat Airport on average per week?
As of July 2025, 18 flights take off from Boston and land in Barcelona-El Prat Airport each week. The most common flight departure day for this route is Thu, with 33% of weekly flights taking off on this day.
When to book flights from Boston to Barcelona-El Prat Airport
Cheap Boston to Barcelona-El Prat Airport (BOS to BCN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to Barcelona-El Prat Airport
How far is Boston Logan Intl to Barcelona-El Prat by plane?
There are 3640.3 mi between Boston Logan Intl and Barcelona-El Prat. Typically, this will take 7h 15m by plane in normal conditions.
When did momondo last update prices for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport?
Prices for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport refresh daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport?
The number of operators available for flights from Boston Logan Intl Airport to Barcelona-El Prat Airport is 22 as of July 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Barcelona-El Prat Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Barcelona-El Prat Airport.
What documentation or ID do you need to fly to Barcelona-El Prat Airport?
The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to Barcelona-El Prat Airport?
momondo data reveals that the most frequently booked plane model on the route from Boston to Barcelona-El Prat Airport is Airbus A330-200, representing 62.54% of all bookings. The subsequent popular models are Airbus A330-900neo at 20.37%, Airbus A330 at 10.64%, and Airbus A321neo at 2.43%.
What is the most popular airline from Boston to Barcelona-El Prat Airport?
momondo data reveals that the most frequently booked airline on the route from Boston to Barcelona-El Prat Airport is Iberia, representing 30% of all bookings. The subsequent popular airlines are LEVEL at 29%, Vueling at 13%, and TAP AIR PORTUGAL at 6%.
Best airlines flying from Boston to Barcelona-El Prat Airport
Compare and see reviews for airlines that fly from Boston to Barcelona-El Prat Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $265 | Free Cancellation | Rating 7.6 66 reviews | |||
| PriceFrom $308 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom $344 | Free Cancellation | Rating 7.1 1,170 reviews | |||
| PriceFrom $355 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom $358 | Free Cancellation | Rating 7.1 1,912 reviews | |||
| PriceFrom $395 | Free Cancellation | Rating 7.6 1,306 reviews | |||
| PriceFrom $425 | Free Cancellation | Rating 7.1 1,144 reviews | |||
| PriceFrom $434 | Free Cancellation | Rating 7.3 1,416 reviews | |||
| PriceFrom $448 | Free Cancellation | Rating 7.5 1,654 reviews | |||
| PriceFrom $464 | Free Cancellation | Rating 6.6 7,093 reviews |
Delta Flights From Boston to Barcelona-El Prat Airport
Delta flies from Boston to Barcelona-El Prat Airport around 3 times per week, with 7,983 momondo users rating the airline 8.0/10. The cheapest Delta deal from Boston to Barcelona-El Prat Airport in the last 72 hours was $490 (round-trip), much lower than the average airfare cost of $808 for Delta flights on this route.
KLM Flights From Boston to Barcelona-El Prat Airport
Across 1,366 KLM reviews on momondo, the average score is 7.8/10. KLM flies from Boston to Barcelona-El Prat Airport about 3 times each week, with ticket deals ranging from $527 to $823. Price data is based on momondo searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Boston to Barcelona?
It is quick and easy to find Boston to Barcelona flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Barcelona that suits you.
Can I find flights from Boston to Barcelona with flexible booking policies on momondo?
Flights from Boston to Barcelona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Boston to Barcelona?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Barcelona.
I’m not ready to book a flight from Boston to Barcelona right now. Can momondo alert me if prices change?
Price alerts on flights to Barcelona from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.