Cheap flights from Boston to Los Angeles from £138

The month of January is, on average, the cheapest month to fly to Los Angeles from Boston, with most prices found around £215. If you aren’t able to travel to Los Angeles during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £273.

The cheapest day to depart from Boston to Los Angeles is on a Thursday. Travellers who choose to depart for Los Angeles on a Thursday will often find tickets for as low as £134. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around £685. These prices are subject to change though, so be sure to set up a Price Alert for flights to Los Angeles.

Our most recent data shows that the best time of day to fly to Los Angeles is in the evening. Flights from Boston to Los Angeles during this time can be as low as £204. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £283 on average. Flights to Los Angeles from Boston in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Boston Logan Intl to Los Angeles for the best Boston Logan Intl - Los Angeles flight prices

You are more likely to see cheaper flights to Los Angeles from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around £300 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from Boston for as low as £238 on momondo.

There are 4 cabin classes available to choose from on Boston to Los Angeles flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 18% of flights between Boston and Los Angeles have experienced a delay on any given week. The average delay length over the past 12 months has been 191 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

As of November 2026, 35 flights take off from Boston and land in Los Angeles each day. The most common flight departure time for this route is 06:00, with 50% of daily flights taking off at midday.

As of November 2026, 250 flights take off from Boston and land in Los Angeles each week. The most common flight departure day for this route is Sun, with 22% of weekly flights taking off on this day.