There are most likely no direct flights on the San Diego — Boston route
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from San Diego to Boston. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from San Diego to Boston, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
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Flight prices from San Diego to Boston are steadily rising: from November 2026 to May 2027, ticket costs increased by 111%. The sooner you book, the better the deal.
The most significant price increase was from November 2026 to May 2027 — up 111%. The best time to fly is November 2026–December 2026, when the average price is $95. In December 2026–May 2027, tickets cost around $146.
Given the rising prices, it's best not to delay your purchase. Flying in November 2026–December 2026 can save you up to 35% compared to the most expensive months.
Price variation across months on this route is 36.5%. Your choice of departure month significantly affects the total flight cost.
The cost of a one-way flight from San Diego to Boston ranges from $92 (November 2026) to $194 (May 2027). On average, the ticket price is about $128–$292.
There are most likely no direct flights on the San Diego — Boston route
San Diego — Boston
12/21/2026
Departure
Direct flight
AS255
starting at $100
San Diego — Boston
12/26/2026
Departure
Direct flight
AS255
starting at $194
San Diego — Boston
12/27/2026
Departure
Direct flight
AS255
starting at $196
San Diego — Boston
05/06/2027
Departure
Direct flight
WN1623
starting at $202
San Diego — Boston
11/27/2026
Departure
Direct flight
WN4672
starting at $260
starting at $100
starting at $202
starting at $95
starting at $194
More than 4 airlines operate flights from San Diego to Boston, including Alaska Airlines, Southwest Airlines, American Airlines, and United Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $95, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
The cheapest flight ticket from San Diego to Boston according to data for the last 48 hours costs $95
Often the best time to buy tickets from San Diego to Boston is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from San Diego to Boston can be found flying in these months: November, December, May.
The fastest flights from San Diego to Boston start from 5 hours 42 minutes in the air.
The following airlines operate direct flights on the route San Diego — Boston: Alaska Airlines, Southwest Airlines
The cheapest one-way flight from San Diego to Boston departs on 12/21/2026, is operated by American Airlines and costs $95
The cheapest roundtrip flight from San Diego to Boston departs on 01/11/2027, is operated by American Airlines and costs $173
Fastest flight from San Diego to Boston takes 5h 42m
There are direct flights on this route 5 days a week: Su, Mo, Th, Fr, and Sa
The distance between San Diego and Boston is 4149km (2572 miles). There are 68 direct flights from San Diego to Boston. The time difference between San Diego and Boston is 3h. Flights from San Diego begin at 8:15 AM. The latest flight from San Diego departs at 9:53 PM
We couldn't find any special offers for flights from San Diego to Boston
