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Cheap flights from San Diego to Boston from £97

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BOS
20 Apr — 27 Apr1
1 adult

Cheap flight deals from San Diego to Boston

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Boston (BOS). 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 15 April 2025.

Round-trip from

£180

One-way from

£97

Popular in

December

Cheapest in

January

Average price

£288
Alaska Airlines
  • Alaska Airlines
  • 27/5-31/5
  • Nonstop
  • 12h 16m total
  • San Diego to Boston
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Hawaiian Airlines
  • Hawaiian Airlines
  • 17/5
  • 1 total stop
  • 9h 56m total
  • San Diego to Boston
Search Deals
High demand for flights, 2% 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 April 2025
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Find flight deals from San Diego to Boston

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 15 April 2025.

Tue 27/522:45SAN - BOS
Nonstop5h 55mAlaska Airlines
Sat 31/508:40BOS - SAN
Nonstop6h 21mAlaska Airlines
Deal found 14/4£180
Sat 24/520:25SAN - BOS
Nonstop5h 47mJetBlue
Sat 31/505:12BOS - SAN
1 stop8h 59mJetBlue
Deal found 14/4£188
Mon 5/512:45SAN - BOS
1 stop8h 14mUnited Airlines
Sat 10/507:30BOS - SAN
1 stop8h 28mUnited Airlines
Deal found 14/4£207
Fri 23/521:44SAN - BOS
Nonstop5h 36mDelta
Thu 29/517:10BOS - SAN
Nonstop6h 19mDelta
Deal found 14/4£210
Wed 14/521:20SAN - BOS
1 stop7h 30mSouthwest
Wed 21/505:50BOS - SAN
2 stops13h 35mSouthwest
Deal found 14/4£245
Sun 20/722:45SAN - BOS
Nonstop5h 45mHawaiian Airlines
Sat 26/708:40BOS - SAN
Nonstop6h 10mHawaiian Airlines
Deal found 15/4£260
Fri 7/1118:13SAN - BOS
1 stop13h 28mSun Country Air
Sun 9/1111:42BOS - SAN
1 stop8h 25mSun Country Air
Deal found 15/4£270

Cheapflights Fare Finder

Customise your flight search to find flights from San Diego to Boston 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 858,174 searches. Data last updated 15 April 2025.
Use the filters below to find and compare flights from San Diego to Boston that are best for you.

Fly from

San Diego

Fly to

Boston

Route

Depart

Return

Price

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 27/5

22:45-07:40

Nonstop5h 55m

Boston Logan Intl

Sat 31/5

08:40-12:01

Nonstop6h 21m

£180

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 24/5

20:25-05:12

Nonstop5h 47m

Boston Logan Intl

Tue 3/6

11:45-19:12

1 stop10h 27m

£188

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Mon 5/5

12:45-23:59

1 stop8h 14m

Boston Logan Intl

Sat 10/5

07:30-12:58

1 stop8h 28m

£207

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Fri 23/5

21:44-06:20

Nonstop5h 36m

Boston Logan Intl

Thu 29/5

17:10-20:29

Nonstop6h 19m

£210

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 14/5

21:20-07:50

1 stop7h 30m

Boston Logan Intl

Wed 21/5

05:50-16:25

2 stops13h 35m

£245

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sun 20/7

22:45-07:30

Nonstop5h 45m

Boston Logan Intl

Sat 26/7

08:40-11:50

Nonstop6h 10m

£260

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 17/5

16:44-05:40

1 stop9h 56m

£97

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 13/5

20:39-09:14

1 stop9h 35m

£98

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 15/7

12:44-23:59

1 stop8h 15m

£109

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Thu 5/6

17:43-16:24

2 stops19h 41m

£110

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 15 results
1
2

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.
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

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

Use this chart to determine the optimal time to book a return flight from San Diego to Boston. Price data was last updated on 11 April 2025.

To ensure you get the cheapest price possible for a flight from San Diego to Boston, you should look to book at least 69 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, October is the cheapest month in which you can book a flight from San Diego to Boston (average of £10). Flying from San Diego to Boston in July is currently the most expensive (average of £724). 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?

Find hourly flight availability from San Diego to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

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.

Weekly flight availability from San Diego to Boston

Explore weekly flight availability from San Diego to Boston. 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 15 April 2025.

The most flights from SAN to BOS are scheduled on a Wednesday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Boston by month

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

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.

Temperature in Boston by month

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

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).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated 15 April 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from San Diego to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
9,871 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very Good
9,871 reviews
Alaska Airlines
8.0
Very Good
9,871 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very Good
4,279 reviews
Alaska Airlines
8.0
Very Good
9,871 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very Good
7,917 reviews
Alaska Airlines
8.0
Very Good
9,871 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,374 reviews
Alaska Airlines
8.0
Very Good
9,871 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,656 reviews
Alaska Airlines
8.0
Very Good
9,871 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from San Diego to Boston. 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 San Diego to Boston flight route?

    Flights from San Diego to Boston Logan Intl have been viewed 2 times in the past calendar month.

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

    Our cheapest airline available from San Diego to Boston is Alaska Airlines. Our recent data shows that you can find tickets from as low as £180 on this airline. Additional options worth looking into are JetBlue and United Airlines, starting at £188 and £207 round-trip. These flights start at 38% lower than the current average price 3 months from now.

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

    £97 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on JetBlue and United Airlines, with prices starting from £98 and £109, respectively.

  • 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 Aer Lingus (89%), Hawaiian Airlines (79%) and Icelandair (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 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, October is the cheapest month in which you can book a flight from San Diego to Boston (average of £10). Flying from San Diego to Boston in July is currently the most expensive (average of £724). 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

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Cambridge
Somerville
Quincy
Chelmsford
Chelsea
Burlington
Kittery

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