
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $544 (Mytrip) |
One-way from | $323 (Iberia) |
Popular in | June |
Cheapest in | January |
Average price | $853 |
Good round-trip deal | $516 or less |
Good one-way deal | $389 or less |
Fly from
Fly to
Route
Depart
Return
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Wed 10/21
11:15 pm-1:30 am
2 stops20h 15m
Barcelona-El Prat
Wed 10/28
6:05 pm-3:40 pm
1 stop26h 35m
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Sun 10/18
6:05 pm-10:35 am
1 stop10h 30m
Barcelona-El Prat
Thu 10/22
11:25 am-8:20 pm
1 stop14h 55m
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Sun 11/15
8:00 pm-5:05 pm
1 stop15h 05m
Barcelona-El Prat
Tue 12/1
12:20 pm-6:05 pm
1 stop35h 45m
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Wed 10/14
7:20 pm-8:35 am
Nonstop7h 15m
Barcelona-El Prat
Tue 10/20
3:15 pm-5:45 pm
Nonstop8h 30m
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Mon 11/9
2:00 pm-8:35 am
1 stop12h 35m
Barcelona-El Prat
Thu 11/12
10:30 am-10:21 pm
1 stop17h 51m
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Wed 9/23
7:20 pm-8:35 am
Nonstop7h 15m
Barcelona-El Prat
Sun 9/27
3:15 pm-5:45 pm
Nonstop8h 30m
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Wed 8/5
7:25 pm-8:35 am
Nonstop7h 10m
Barcelona-El Prat
Tue 8/11
3:15 pm-5:41 pm
Nonstop8h 26m
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Wed 8/12
7:25 pm-8:35 am
Nonstop7h 10m
Barcelona-El Prat
Sat 8/22
10:55 am-10:43 pm
1 stop17h 48m
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Tue 8/11
7:25 pm-8:35 am
Nonstop7h 10m
Barcelona-El Prat
Mon 8/17
11:00 am-1:25 am
1 stop20h 25m
BostonBarcelona
BOS - BCN
BOSBCN
Boston Logan Intl
Thu 9/24
9:50 pm-10:45 am
1 stop30h 55m
Barcelona-El Prat
Mon 10/5
7:10 pm-7:55 pm
1 stop30h 45m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
The best time to book flights from Boston to Barcelona-El Prat Airport is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, January is the cheapest month in which you can book a flight from Boston to Barcelona-El Prat Airport (average of $489). Flying from Boston to Barcelona-El Prat Airport in June is currently the most expensive (average of $853). 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Barcelona-El Prat Airport as you normally would.
About 12% of weekly flights between Boston and Barcelona have experienced delays in the past year, with the average delay time being 124 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, LEVEL have had the lowest number of delays on this route, with just 11% of flights being delayed.
Montreal (YUL) – chosen by Cheapflights users on 50% of 1-stop itineraries from Boston to Barcelona-El Prat Airport on Cheapflights.
Montreal (YUL) is the most affordable 1-stop option, with an average round-trip price of $517.
Flights via Montreal (YUL) have the shortest average one-way travel time for 1-stop routes: 10h 30m.
Flights via Montreal (YUL) offer the fastest connection on this route, with an average layover time of 2h 01m.
Boarding
Entertainment
Food
Overall
Crew
Comfort
Reviews
Anonymous,May 2026
SEA - KOA
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Anonymous,May 2026
SEA - KOA
Boarding
Entertainment
Food
Overall
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Anonymous,May 2026
SEA - KOA
Boarding
Entertainment
Food
Overall
Crew
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Anonymous,May 2026
SEA - KOA
Boarding
Entertainment
Food
Overall
Crew
Comfort
Reviews
Anonymous,May 2026
SEA - KOA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$257 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$259 | Average$581 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$311 | Average$832 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$330 | Average$630 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$337 | Average$495 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$349 | Average$497 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$352 | Average$437 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$393 | Average$690 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$398 | Average$655 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$398 | Average$466 | FlexibilityNo cancel fee | On-time67% |