£97 Cheap Flights from Boston (BOS) to San Diego (SAN)

You can find cheap one-way flights from £97 and cheap return flights £192 BOS to SAN with Expedia. One-way flights typically cost between £154 and £641, and return flights often range between £234 and £945. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when BOS to SAN ticket fares go up or down.

The cheapest months to fly from Boston, MA (BOS) to San Diego, CA (SAN) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter BOS to SAN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Boston, MA (BOS-Logan Intl.) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Boston, MA (BOS-Logan Intl.) to San Diego, CA (SAN-San Diego Intl.) will differ from traveler to traveler. If you like to fly early, JetBlue Airways offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Boston, MA (BOS-Logan Intl.) to San Diego, CA (SAN-San Diego Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly from Boston, MA (BOS-Logan Intl.) to San Diego, CA (SAN-San Diego Intl.) is typically January. This month offers a great balance—prices are reasonable at around £229 for a return flight, and you'll have plenty of flight options since it's a popular time to travel. January is often a quieter travel period after the holidays, which can contribute to better fares. If you're flexible, this month gives you both affordable fares and excellent flight schedules to work with.

You'll find around 5 nonstop flights per day from Boston Logan International (BOS) to San Diego International (SAN). For even more choices, look at flights that include layovers, as there are approximately 204 connecting flights per day. Some common connection points include O'Hare International (ORD), Baltimore Washington International Thurgood Marshall (BWI), and Midway International (MDW).

Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Boston, MA (BOS) to San Diego, CA (SAN). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Boston, MA (BOS-Logan Intl.) to San Diego, CA (SAN-San Diego Intl.) on a Sunday, with around 105 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United, and Delta. Sundays offer notably more flight options compared to other days of the week, making it a good day to consider if you're looking for flexibility.

The most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to San Diego, CA (SAN-San Diego Intl.) are in the morning, from 6am to 9am. Many major carriers, including American Airlines, Alaska Airlines and JetBlue Airways, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive in San Diego with plenty of time to start your day.

Direct flights from BOS to SAN usually take about 6 hours 30 minutes, traveling roughly 4,155 kilometers. If you opt for a connecting flight, expect to add around 2 hours 20 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Yes, you can fly business class or first class between BOS and SAN. Airlines that offer business class service on this route include:

* JetBlue Airways
* Delta

First class cabins are available on:

* Alaska Airlines
* United
* Delta
* American Airlines

It's easy to earn miles on a Boston, MA (BOS) to San Diego, CA (SAN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Typically, booking a last minute flight from Boston, MA (BOS) to San Diego, CA (SAN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Boston, MA (BOS) to San Diego, CA (SAN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Boston, MA (BOS-Logan Intl.) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.