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 172 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.

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

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

How popular is this San Diego to Boston flight route?

The San Diego to Boston Logan Intl flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from San Diego to Boston?

A quick flight from San Diego to Boston can take about 5h 47m. Alaska Airlines provides one of the quickest options available for as low as C$ 359. San Diego and Boston are separated by a distance of 4154 km. 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 (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 mm 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 most reliable airlines from San Diego to Boston?

Before booking your flight to Boston from San Diego, check out the most reliable airlines to get you to your destination on time: KLM (100%), Icelandair (78%), Aer Lingus( 78%).

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 vacation 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.

C$ 183+ 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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Direct

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One-way

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 20 September 2026.

Tue 3/118:26 p.m. -

Nonstop5h 34m

Tue 10/111:00 p.m. -

1 stop10h 22m

Deal found 18/9C$ 330

Mon 19/108:34 p.m. -

Nonstop5h 47m

Fri 30/107:51 a.m. -

Nonstop6h 18m

Deal found 15/9C$ 331

Mon 2/112:07 p.m. -

Nonstop5h 53m

Sat 7/111:00 p.m. -

1 stop10h 22m

Deal found 18/9C$ 333

Sat 24/102:45 p.m. -

Nonstop6h 12m

Sat 7/111:00 p.m. -

1 stop10h 22m

Deal found 18/9C$ 334

Fri 23/108:20 p.m. -

Nonstop6h 06m

Tue 27/101:00 p.m. -

1 stop10h 25m

Deal found 16/9C$ 336

Thu 12/119:25 a.m. -

Nonstop5h 25m

Mon 16/115:30 a.m. -

1 stop8h 20m

Deal found 15/9C$ 337

Sun 1/119:40 p.m. -

1 stop10h 01m

Sat 14/111:00 p.m. -

1 stop10h 22m

Deal found 16/9C$ 338

Fri 30/109:50 p.m. -

1 stop7h 50m

Tue 3/118:25 a.m. -

Nonstop6h 20m

Deal found 18/9C$ 340

Thu 5/119:40 p.m. -

1 stop10h 01m

Mon 9/117:00 a.m. -

Nonstop6h 31m

Deal found 16/9C$ 341

Fri 4/1212:35 p.m. -

1 stop8h 13m

Sun 6/124:45 p.m. -

Nonstop6h 34m

Deal found 16/9C$ 345

Wed 21/108:20 p.m. -

Nonstop6h 06m

Tue 27/101:00 p.m. -

1 stop10h 25m

Deal found 17/9C$ 347

Tue 27/109:20 a.m. -

Nonstop5h 30m

Fri 30/109:40 a.m. -

2 stops11h 25m

Deal found 17/9C$ 348

Find flight deals from San Diego to Boston

Round-trip from	C$ 330
One-way from	C$ 183
Popular in	December
Cheapest in	January
Average price	C$ 468

Southwest
5/11-7/11
3 total stops
22h 40m total
San Diego to Boston

Search Deals

Southwest
3/12-31/12
2 total stops
9h 50m total
San Diego to Boston

Search Deals

High demand for flights, 1% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Thu 5/11

12:10 p.m.-11:25 p.m.

2 stops8h 15m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 193

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Thu 22/10

9:20 p.m.-8:47 a.m.

1 stop8h 27m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 194

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Fri 30/10

9:40 p.m.-10:41 a.m.

1 stop10h 01m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 194

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Wed 11/11

7:45 p.m.-8:05 a.m.

2 stops9h 20m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 201

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Fri 23/10

12:45 p.m.-1:15 a.m.

2 stops9h 30m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 203

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Tue 13/10

6:57 p.m.-7:35 a.m.

1 stop9h 38m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 208

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Thu 21/1

6:40 a.m.-6:25 p.m.

2 stops8h 45m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 211

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Thu 22/10

11:02 a.m.-11:58 p.m.

1 stop9h 56m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 217

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Mon 19/10

3:40 p.m.-6:12 a.m.

1 stop11h 32m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 242

Quickest round-trip

San DiegoBoston

SAN San Diego - BOS Boston Logan Intl

SANBOS

San Diego

Thu 18/3

10:00 p.m.-6:38 a.m.

Nonstop5h 38m

Boston Logan Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 261

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 23 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 round-trip 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?

The best time to book flights from San Diego to Boston is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 C$ 417). Flying from San Diego to Boston in December is currently the most expensive (average of C$ 621). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Boston as you normally would.

How much does it cost to fly round-trip from San Diego to Boston?

Airfare is below average for this route at the moment.

San Diego to Boston flights typically cost between C$ 367 and C$ 638 in November.
The cheapest round-trip price found within the last 5 days was C$ 330 on JetBlue (3 Nov-10 Nov).

Related info for your journey

How popular is this San Diego to Boston flight route?
The San Diego to Boston Logan Intl flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from San Diego to Boston?
A quick flight from San Diego to Boston can take about 5h 47m. Alaska Airlines provides one of the quickest options available for as low as C$ 359. San Diego and Boston are separated by a distance of 4154 km. 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?
Before booking your flight to Boston from San Diego, check out the most reliable airlines to get you to your destination on time: KLM (100%), Icelandair (78%), Aer Lingus( 78%).
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 vacation 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 C$ 417). Flying from San Diego to Boston in December is currently the most expensive (average of C$ 621). 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 helps you search for flights from San Diego to Boston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from San Diego to Boston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Boston from San Diego? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Boston from San Diego today and book when prices fit your budget.

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Cheap flights from San Diego to Boston from C$ 183

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. 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 20 September 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 20 September 2026.

Best flights from San Diego to BostonDiscover carefully curated flight deals from San Diego to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Discover carefully curated flight deals from San Diego to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 20 September 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 20 September 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 20 September 2026.

Last-minute flights from San Diego to BostonDiscover last-minute flight deals from San Diego to Boston. Data last updated 20 September 2026 and is based on user searches.

Discover last-minute flight deals from San Diego to Boston. Data last updated 20 September 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 20 September 2026.

Search for one-way flight options from San Diego to Boston. Find affordable one-way fares based on user searches. Data last updated 20 September 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?

The best time to book flights from San Diego to Boston is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Boston as you normally would.

How much does it cost to fly round-trip from San Diego to Boston?

Airfare is below average for this route at the moment.

San Diego to Boston flights typically cost between C$ 367 and C$ 638 in November.The cheapest round-trip price found within the last 5 days was C$ 330 on JetBlue (3 Nov-10 Nov).

Weekly flight availability from San Diego to Boston

The most flights from SAN to BOS are scheduled on a Friday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 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 172 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 has 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?

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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Why should you use Cheapflights to find cheap flight tickets 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 20 September 2026.

Best flights from San Diego to Boston
Discover carefully curated flight deals from San Diego to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 20 September 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 20 September 2026.

Last-minute flights from San Diego to Boston
Discover last-minute flight deals from San Diego to Boston. Data last updated 20 September 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 20 September 2026.

San Diego to Boston flights typically cost between C$ 367 and C$ 638 in November.
The cheapest round-trip price found within the last 5 days was C$ 330 on JetBlue (3 Nov-10 Nov).