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Cheap flights from Boston to San Diego from £114

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAN
27 nov — 4 dec1
1 adult

Cheap flight deals from Boston to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 november 2024.

Round-trip from

£171

One-way from

£114

Popular in

June

Cheapest in

January
JetBlue
  • JetBlue
  • 11/1-18/1
  • Nonstop
  • 11h 48m total
  • Boston to San Diego
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 14/3
  • 1 total stop
  • 18h 58m total
  • Boston to San Diego
Search Deals
High demand for flights, 12% potential price rise
Search Deals
Best time to find cheap flights, 26% potential price drop
Search Deals

Find flight deals from Boston to San Diego

Cheapest flights from Boston to San Diego
Explore the most affordable flight options available from Boston to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 november 2024.

lör 14/1217:24BOS - SAN
Nonstop6h 35mDelta
tors 9/122:05SAN - BOS
Nonstop5h 18mDelta
Deal found 21/11£188
ons 11/1216:13BOS - SAN
Nonstop6h 42mAlaska Airlines
mån 16/1206:15SAN - BOS
1 stop9h 44mAlaska Airlines
Deal found 20/11£195
lör 14/1207:45BOS - SAN
Nonstop6h 40mJetBlue
ons 25/1220:47SAN - BOS
Nonstop5h 13mJetBlue
Deal found 22/11£207
tors 12/1205:45BOS - SAN
1 stop8h 08mUnited Airlines
mån 16/1208:15SAN - BOS
1 stop7h 32mUnited Airlines
Deal found 20/11£219
fre 13/1218:15BOS - SAN
1 stop8h 10mSouthwest
tis 17/1211:30SAN - BOS
2 stops9h 10mSouthwest
Deal found 22/11£262
fre 29/1111:30BOS - SAN
1 stop8h 36mSun Country Air
tors 5/1217:25SAN - BOS
1 stop14h 16mSun Country Air
Deal found 21/11£424

Find flights from Boston to San Diego within your budget

Customise your flight search to find flights from Boston to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 915,844 searches. Data last updated 22 november 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

lör 11/1

09:35-13:05

Nonstop6h 30m

San Diego

lör 18/1

14:15-22:33

Nonstop5h 18m

£171

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

lör 11/1

17:10-20:49

Nonstop6h 39m

San Diego

tis 21/1

22:05-06:23

Nonstop5h 18m

£172

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

lör 11/1

17:55-09:48

1 stop18h 53m

San Diego

tis 14/1

08:20-16:55

Nonstop5h 35m

£179

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

ons 8/1

15:14-22:30

1 stop10h 16m

San Diego

ons 15/1

08:15-19:00

1 stop7h 45m

£184

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

ons 29/1

06:55-13:15

1 stop9h 20m

San Diego

tis 4/2

09:45-22:30

2 stops9h 45m

£222

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

mån 21/4

11:31-17:05

1 stop8h 34m

San Diego

fre 25/4

17:35-10:35

1 stop14h 00m

£297

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

fre 14/3

17:51-09:49

1 stop18h 58m

£114

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

mån 20/1

11:15-20:39

1 stop12h 24m

£116

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

tis 18/2

07:20-12:30

1 stop8h 10m

£125

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

tis 18/2

17:10-20:49

Nonstop6h 39m

£126

Flights are sorted by cheapest return flights first.

Deals found on 21/11

Showing 1-10 of 12 results
1
2

Best time to book a flight from Boston to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Boston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Boston to San Diego

Get recent, data-driven insights about flights from Boston to San Diego including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Boston to San Diego?

Use this chart to determine the optimal time to book a return flight from Boston to San Diego. Price data was last updated on 15 November 2024.

To ensure you get the cheapest price possible for a flight from Boston to San Diego, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to San Diego?

Currently, January is the cheapest month in which you can book a flight from Boston to San Diego (average of £585). Flying from Boston to San Diego in July is currently the most expensive (average of £834). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to SAN?

Find hourly flight availability from Boston to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 november 2024.

One of the essential ways to save on airfare from Boston to San Diego is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 36% on airfare.

Weekly flight availability from Boston to San Diego

Explore weekly flight availability from Boston to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 november 2024.

The most flights from BOS to SAN are scheduled on a Thursday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 22 november 2024.
Get a feel of what it's like to fly with Delta, Alaska Airlines and United Airlines from Boston to San Diego by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,996 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very Good
4,996 reviews
Southwest
8.1
Very Good
4,996 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very Good
9,469 reviews
Southwest
8.1
Very Good
4,996 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very Good
8,747 reviews
Southwest
8.1
Very Good
4,996 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.5
Good
3,382 reviews
Southwest
8.1
Very Good
4,996 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very Good
4,996 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Boston to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Boston to San Diego flight route?

    Flights from Boston Logan Intl to San Diego have been viewed 1 times in the past calendar month.

  • What are the cheapest airlines flying from Boston to San Diego round-trip?

    Currently priced at £171, JetBlue will fly you from Boston to San Diego and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from £172 and £179, respectively. JetBlue is priced at 44% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Boston to San Diego one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as £114. Users have also found prices from £116 and £125 on JetBlue and Southwest, respectively.

  • What are the most reliable airlines from Boston to San Diego?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to San Diego on time: Spirit Airlines (100%), TAP AIR PORTUGAL (91%), Qatar Airways (88%).

  • Can I find deals for flights from Boston to San Diego that include hotel bookings?

    Yes. In addition to deals on Boston to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to San Diego.

  • Can I find deals for business class flights from Boston to San Diego?

    Yes. Cheapflights offers flight deals from Boston to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to San Diego?

    Currently, January is the cheapest month in which you can book a flight from Boston to San Diego (average of £585). Flying from Boston to San Diego in July is currently the most expensive (average of £834). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boston to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Boston to San Diego?

When you search for this flight from Boston to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Boston to San Diego?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Diego from Boston.

Can Cheapflights find flights from Boston to San Diego with no change fees?

Yes, we can. To see specific flights from Boston to San Diego with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Boston to San Diego become cheaper?

Not ready to book yet? You can track prices for flights from Boston to San Diego on Cheapflights with our Price Alert feature and get notified when better prices are available.

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