Cheap flights from Boston to Los Angeles, Ca, United States (BOS - LAX)

Flying from Boston to Los Angeles, Ca can be expensive. Our search helps you compare cheap flights, airfare deals, and flight tickets across airlines and agencies so you can book at the best price.

We scan trusted travel agencies and airline booking systems for the route Boston - Los Angeles, Ca (BOS - LAX). We do not sell tickets or add fees - you choose where to buy.

Airfares vary by date, time, and airport. Use filters to find the best option by departure/arrival time, number of stops, airline or alliance, and booking channel.

If your dates are flexible, check the low-fare calendar to find the cheapest days. Booking round-trip in one order often reduces fees, and prices usually rise as departure approaches.

We also recommend you to look through the prices for return tickets from Los Angeles, Ca to Boston.

Airfares found by our users in the past 24 hours

The cheapest flight from Boston to Los Angeles, Ca is 18 578र on Frontier Airlines, departing on 03/06/2026 - 20:48 and returning on 03/15/2026 - 09:01.
The price for these dates could change. Use search to get the best price.

Average round-trip airfares from Boston to Los Angeles, Ca by months

MonthRound-Trip
January 202631.01 - 04.02from 18 684र
February 2026find now
March 202606.03 - 15.03from 18 578र
April 2026find now
May 202629.05 - 01.06from 19 426र
June 2026find now
July 202622.07 - 23.08from 19 702र
August 2026find now
September 2026find now
October 2026find now
November 2026find now
December 2026find now

Prices shown are based on searches from the last few days. Ticket prices can change and depend on availability at the time of booking.

Airlines are flying from Boston to Los Angeles, Ca

American AirlinesJetBlue AirwaysUnited Airlines
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