Cheap flights from Boston to San Diego

Logan
BOS
San Diego
SAN

Flight deals from Boston to San Diego

Below you can see the best deals on flights Boston — San Diego for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 15 September, from $127.

Top 10 cheap flights from Boston to San Diego

DL
$ 129

Boston — San Diego

17:10—20:15
12 Sep 2026
6 h 5 m
Direct flight
DL
$ 129

Boston — San Diego

17:10—20:15
9 Sep 2026
6 h 5 m
Direct flight
DL
$ 129

Boston — San Diego

17:20—20:35
5 Sep 2026
6 h 15 m
Direct flight
DL
$ 129

Boston — San Diego

17:10—20:15
10 Sep 2026
6 h 5 m
Direct flight
AS
$ 133

Boston — San Diego

08:00—11:12
12 Sep 2026
6 h 12 m
Direct flight
AS
$ 133

Boston — San Diego

08:00—11:12
9 Sep 2026
6 h 12 m
Direct flight
AS
$ 133

Boston — San Diego

08:00—11:12
5 Sep 2026
6 h 12 m
Direct flight
AS
$ 133

Boston — San Diego

08:00—11:12
10 Sep 2026
6 h 12 m
Direct flight
AS
$ 133

Boston — San Diego

18:17—21:30
10 Sep 2026
6 h 13 m
Direct flight
DL
$ 143

Boston — San Diego

17:10—20:15
11 Sep 2026
6 h 5 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Boston — San Diego flight

Looking for cheap flights from Boston to San Diego? Compare fares from different airlines, check the flight schedule and travel time — and book your Boston — San Diego ticket online at the best price.

The route has direct flights — around 104 flights per week, flights are operated by JetBlue, Alaska Airlines, Hawaiian Airlines, Delta and 2 more airlines, a nonstop flight takes about 6 h 4 min, the distance between the cities is around 4,159 km.

Planning your trip? You may find our San Diego travel guide, how to get from the airport into town and San Diego weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $121Min. price
OctoberCheapest
MayPeak season
YesDirect flights
4,159 kmDistance
6 h 4 minTravel time
6Airlines
104 / wkFlights

Flight schedule from Boston to San Diego

The table shows direct flights from Boston to San Diego on the selected date. The flight takes approximately 6 h 4 min. Regular flights are operated by JetBlue, Alaska Airlines, Hawaiian Airlines and Delta. Departures from Logan International Airport airports, arrivals at San Diego International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 15 Aug 2026

Flight ticket prices by day: Boston — San Diego

Below is a calendar of the lowest flight ticket prices for Boston — San Diego by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $121 in October, and the most expensive are around $175 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--

Prices by month

Average one-way fares from Boston to San Diego by month. Tickets are usually cheapest in January (around $156) and priciest in December (about $218) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$156lowMay$175mediumSep$166low
Feb$161lowJun$209highOct$161low
Mar$199highJul$204highNov$175medium
Apr$213highAug$180mediumDec$218high

Some values are estimated based on seasonality.

When to fly

Weather in San Diego: it is warmest in August (up to 26 °C on average) and coolest in March (around 17 °C). The driest month is July.

Tickets are usually cheapest in October and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · San Diego

Dry and wet days · San Diego

Wind speed and direction · San Diego

We'll let you know if you need a visa

Enter your destination or
Your nationality
Destination

How to get the best deal on a Boston — San Diego ticket

  • Book ahead: fares for Boston — San Diego are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to San Diego is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Boston — San Diego route are operated by 6 airlines; JetBlue runs the most flights (around 39% of all flights). Compare carriers, flight shares and schedules below.

  • JetBlueB6
    14x/week
    WebsiteFleet: 30742.5M pax/year
    • Direct flight BOS → SAN14x/week
      Duration
      6h 7m
      Days
      MTWTFSS
    39.4%Open →
  • Alaska AirlinesAS
    9x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight BOS → SAN9x/week
      Duration
      6h 15m
      Days
      MTWTFSS
    26.9%Open →
  • Hawaiian AirlinesHA
    8x/week
    WebsiteFleet: 7511M pax/year
    • Direct flight BOS → SAN8x/week
    22.1%
  • DeltaDL
    2x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight BOS → SAN2x/week
      Duration
      6h 15m
      Days
      MTWTFSS
    4.8%Open →
  • Qatar AirwaysQR
    1x/week
    WebsiteFleet: 26640M pax/year
    • Direct flight BOS → SAN1x/week
    3.8%Open →
  • American AirlinesAA
    1x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight BOS → SAN1x/week
      Duration
      6h 18m
      Days
      MTWTFSS
    2.9%Open →

Cities and airports on the Boston — San Diego route

Flights Boston — San Diego depart from Logan International Airport and arrive at San Diego International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Boston

BOS
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

San Diego

SAN
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

Interesting articles about San Diego

Looking Down: The Best Observation Decks in the WorldTips for Travelers

Looking Down: The Best Observation Decks in the World

To better understand a city or admire the surrounding nature, you need to climb higher. The ascent isn’t always easy, but it’s worth it for the experience and the view from the top. If you’re not afra…

Did you know that some airports have beds?Interesting

Did you know that some airports have beds?

Did you know that some airports have beds? They are intended for passengers whose flights were canceled due to bad weather or other force majeure circumstances. These unfortunate travelers are offered…

See half the world from a portholeInteresting

See half the world from a porthole

Recently, we wrote about a Qatar Airways aircraft that completed the world’s longest commercial flight from Doha (Qatar) to Auckland (New Zealand) and how it was welcomed in the “new territory”. Today…

Tips for Travelers

Top 9 Dive Spots for Beginners

Becoming a traveler is easy. Visit new countries and discover new cities — and there you are, an experienced wanderer. But the main thing is not to stop only on land. Thanks to the invention of Jacque…

Real Stories: How Quarantine is Going in Other CountriesInteresting

Real Stories: How Quarantine is Going in Other Countries

You can’t see the world sitting at home, but it’s so interesting what’s happening abroad! We’ve collected several stories from residents of other countries about quarantine. In general, conditions are…

Currency Exchange AbroadTips for Travelers

Currency Exchange Abroad

Before a trip, many questions arise regarding currency exchange. Should you exchange money in your home country or not? In what currency should you carry money? Where to exchange money abroad? Today w…

Frequently asked questions about the Boston — San Diego flight

How long is the flight from Boston to San Diego?

A nonstop Boston — San Diego flight takes about 6 h 4 min — the distance between the cities is around 4,159 km.

How far is it from Boston to San Diego?

The distance from Boston to San Diego is about 4,159 km, which a nonstop flight covers in around 6 h 4 min.

Are there direct flights from Boston to San Diego?

Yes, there are nonstop flights Boston — San Diego — around 104 flights per week.

Which airlines fly from Boston to San Diego?

Airlines operating Boston — San Diego include JetBlue, Alaska Airlines, Hawaiian Airlines, Delta, Qatar Airways. See the full list with schedules in the "Airlines" section on this page.

Which airports do Boston — San Diego flights use?

Flights from Boston depart from Logan International Airport, and arrive at San Diego International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Boston to San Diego?

The price of a Boston — San Diego ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in May. Tickets typically cost between $121 and $175. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Boston — San Diego?

Flights Boston — San Diego are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Boston to San Diego?

To catch a low fare Boston — San Diego, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Boston

See all
New York CityWashington, D.C.ChicagoTorontoSan FranciscoAtlantaSeattleLos AngelesPhiladelphiaNantucketLondonDallasOrlandoDenverFort LauderdaleDetroitCharlotteRaleighMontrealNashvilleMarthas VineyardMiamiMinneapolisBuffaloPhoenixMadridTampaPittsburghClevelandBarcelonaIndianapolisSan JuanDublinHoustonParisLas VegasAustinRichmondCincinnatiAmsterdam

Where else you can fly from San Diego

See all
San FranciscoSeattleLas VegasSan JosePhoenixDenverChicagoSacramentoNew York CityDallasSalt Lake CityAtlantaFresnoLos AngelesPortlandHonoluluOrlandoAustinSanta RosaWashington, D.C.OaklandVancouverSan Jose del CaboBoiseRenoRedmondMinneapolisCharlotteKahuluiSan Luis ObispoHoustonEugeneDetroitMiamiTorontoMontrealFort LauderdaleMontereyKailua-KonaTampa

We use cookies and services to collect user information. This is essential for the functioning of the site and for marketing purposes. You can find out more in .