Which airline has the best punctuality record on San Diego to Boston flights?

Over the past year, Delta have had the lowest number of delays on this route, with just 12% of flights being delayed.

What is the most punctual flight time for San Diego to Boston flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

How often are flights from San Diego to Boston delayed?

About 19% of weekly flights between San Diego and Boston have experienced delays in the past year, with the average delay time being 174 minutes.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

How popular is this San Diego to Boston flight route?

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

How long is the flight from San Diego to Boston?

Airlines like Southwest, JetBlue, and Alaska Airlines fly from San Diego to Boston in about 5h 39m. The time it takes to get you to your destination can typically vary by up to 2h 51m. The distance from San Diego to Boston is about 2581 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Weekly flight availability from San Diego to Boston

The most flights from SAN to BOS are scheduled on a Friday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

What are the cheapest flights from San Diego to Boston?

Looking for the cheapest flight from San Diego to Boston? While on average our users pay £3,832, our data indicates the cheapest price to be £3,832. The most popular route (San Diego - Boston Logan Intl), is priced around £351.

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

The top 3 most reliable airlines when flying from San Diego to Boston are KLM (100%), EL AL (84%) and Japan Airlines (83%).

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

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

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

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

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

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

£97+ Cheap Flights from San Diego to Boston

Cheap flight deals from San Diego to Boston

Enter your travel dates to find the best prices.

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Cheapest flights from San Diego to Boston
Explore the most affordable flight options available from San Diego to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Tue 27/1021:40 -

1 stop10h 01m

Sat 31/1015:50 -

Nonstop6h 24m

Deal found 8/10£170

Thu 29/1021:50 -

1 stop9h 10m

Tue 3/1105:10 -

2 stops9h 40m

Deal found 8/10£172

Sat 31/1012:33 -

1 stop8h 16m

Wed 4/1107:00 -

Nonstop6h 31m

Deal found 9/10£172

Mon 26/1020:26 -

Nonstop5h 34m

Tue 27/1013:00 -

1 stop10h 25m

Deal found 6/10£175

Mon 2/1111:40 -

1 stop9h 09m

Mon 9/1107:00 -

Nonstop6h 31m

Deal found 6/10£177

Fri 6/1111:48 -

1 stop9h 00m

Sat 14/1113:00 -

1 stop10h 22m

Deal found 7/10£178

Mon 2/1120:30 -

2 stops8h 50m

Tue 10/1115:30 -

2 stops10h 40m

Deal found 5/10£178

Sat 7/1121:53 -

Nonstop5h 42m

Wed 11/1117:10 -

Nonstop6h 30m

Deal found 6/10£179

Fri 18/1222:30 -

Nonstop5h 15m

Tue 19/116:55 -

1 stop8h 25m

Deal found 6/10£180

Wed 4/1106:30 -

2 stops12h 15m

Mon 9/1116:20 -

1 stop10h 30m

Deal found 8/10£181

Sat 7/1109:35 -

Nonstop5h 30m

Tue 10/1115:30 -

1 stop8h 30m

Deal found 6/10£181

Find flight deals from San Diego to Boston

Round-trip from	£170
One-way from	£97
Popular in	December
Cheapest in	January
Average price	£262
Good round-trip deal	£3,832 or less

JetBlue
27/10-31/10
1 total stop
16h 25m total
San Diego to Boston

Search Deals

Delta
29/10-31/12
Nonstop
5h 42m total
San Diego to Boston

Search Deals

High demand for flights, 1% potential price rise

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Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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Price to beat on a round-trip flight from San Diego to Boston Logan Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Thu 24/12

06:45-20:05

1 stop10h 20m

Boston Logan Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£97

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Mon 25/1

19:55-08:05

2 stops9h 10m

Boston Logan Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£99

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Fri 25/12

10:20-21:05

1 stop7h 45m

Boston Logan Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£113

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Wed 28/10

06:30-21:20

2 stops11h 50m

Boston Logan Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£114

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Tue 27/10

12:38-01:20

1 stop9h 42m

Boston Logan Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£122

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Fri 30/10

12:45-01:15

2 stops9h 30m

Boston Logan Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£127

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Sun 10/1

19:45-08:05

2 stops9h 20m

Boston Logan Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£134

Fastest return journey

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Thu 18/3

22:00-06:38

Nonstop5h 38m

Boston Logan Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£141

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Sat 16/1

07:30-23:59

2 stops13h 29m

Boston Logan Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£146

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Sat 14/11

18:30-08:05

2 stops10h 35m

Boston Logan Intl

Wed 31/12

00:00-21:00

Nonstop0h 00m

£147

Flights are sorted by cheapest return flights first.

Deals found on 6/10

Showing 1-10 of 24 resultsSorted by cheapest first

Best time to book a flight from San Diego to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San Diego with our price prediction graph.

SAN-BOS

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.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Boston

Prices

Airlines

Delays

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

To ensure you get the cheapest price possible for a flight from San Diego to Boston, you should look to book at least 80 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 San Diego to Boston?

Currently, January is the cheapest month in which you can book a flight from San Diego to Boston (average of £224). Flying from San Diego to Boston in December is currently the most expensive (average of £343). 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 SAN to BOS?

Unlike in the evening, when flights are generally more expensive, you can save up to 40% on flights from San Diego to Boston by exploring options for tickets at midday.

How much does it cost for a return flight from San Diego to Boston?

Airfare is below average for this route at the moment.

San Diego to Boston flights typically cost between £208 and £373 in October.
The cheapest return price found within the last 5 days was £170 on JetBlue (27 Oct–31 Oct).

Related info for your journey

How popular is this San Diego to Boston flight route?
Flights from San Diego to Boston Logan Intl have been viewed 1 times in the past calendar month.
How long is the flight from San Diego to Boston?
Airlines like Southwest, JetBlue, and Alaska Airlines fly from San Diego to Boston in about 5h 39m. The time it takes to get you to your destination can typically vary by up to 2h 51m. The distance from San Diego to Boston is about 2581 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most reliable airlines from San Diego to Boston?
The top 3 most reliable airlines when flying from San Diego to Boston are KLM (100%), EL AL (84%) and Japan Airlines (83%).
What are the cheapest flights from San Diego to Boston?
Looking for the cheapest flight from San Diego to Boston? While on average our users pay £3,832, our data indicates the cheapest price to be £3,832. The most popular route (San Diego - Boston Logan Intl), is priced around £351.
Can I find deals for flights from San Diego to Boston that include hotel bookings?
Yes. In addition to deals on San Diego to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Diego to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Boston.
Can I find deals for business class flights from San Diego to Boston?
Yes. Cheapflights offers flight deals from San Diego to Boston 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 San Diego to Boston?
Currently, January is the cheapest month in which you can book a flight from San Diego to Boston (average of £224). Flying from San Diego to Boston in December is currently the most expensive (average of £343). 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.

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Cheapflights makes it easy to find San Diego to Boston flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from San Diego to Boston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from San Diego to Boston with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from San Diego to Boston from £97

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Diego to Boston

Cheapest flights from San Diego to BostonExplore the most affordable flight options available from San Diego to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Explore the most affordable flight options available from San Diego to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Best flights from San Diego to BostonDiscover carefully curated flight deals from San Diego to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Discover carefully curated flight deals from San Diego to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Direct flights from San Diego to BostonExplore direct flight options from San Diego to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 October 2026.

Explore direct flight options from San Diego to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 October 2026.

Last-minute flights from San Diego to BostonDiscover last-minute flight deals from San Diego to Boston. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from San Diego to Boston. Data last updated 10 October 2026 and is based on user searches.

One-way flights from San Diego to BostonSearch for one-way flight options from San Diego to Boston. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Search for one-way flight options from San Diego to Boston. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

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Best time to book a flight from San Diego to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San Diego with our price prediction graph.

Cheapflights Insights

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

To ensure you get the cheapest price possible for a flight from San Diego to Boston, you should look to book at least 80 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 San Diego to Boston?

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

Unlike in the evening, when flights are generally more expensive, you can save up to 40% on flights from San Diego to Boston by exploring options for tickets at midday.

How much does it cost for a return flight from San Diego to Boston?

Airfare is below average for this route at the moment.

San Diego to Boston flights typically cost between £208 and £373 in October.The cheapest return price found within the last 5 days was £170 on JetBlue (27 Oct–31 Oct).

Weekly flight availability from San Diego to Boston

The most flights from SAN to BOS are scheduled on a Friday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from San Diego to Boston delayed?

About 19% of weekly flights between San Diego and Boston have experienced delays in the past year, with the average delay time being 174 minutes.

What is the most punctual flight time for San Diego to Boston flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Diego to Boston flights?

Over the past year, Delta have had the lowest number of delays on this route, with just 12% of flights being delayed.

Related info for your journey

How popular is this San Diego to Boston flight route?

How long is the flight from San Diego to Boston?

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

What are the cheapest flights from San Diego to Boston?

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

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

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

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

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

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Cheapest flights from San Diego to Boston
Explore the most affordable flight options available from San Diego to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Best flights from San Diego to Boston
Discover carefully curated flight deals from San Diego to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Direct flights from San Diego to Boston
Explore direct flight options from San Diego to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 October 2026.

Last-minute flights from San Diego to Boston
Discover last-minute flight deals from San Diego to Boston. Data last updated 10 October 2026 and is based on user searches.

One-way flights from San Diego to Boston
Search for one-way flight options from San Diego to Boston. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

San Diego to Boston flights typically cost between £208 and £373 in October.
The cheapest return price found within the last 5 days was £170 on JetBlue (27 Oct–31 Oct).