Cheap flights from Boston to San Diego from $107

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest

$107

Southwest Airlines, flight WN 802Found 3 days ago, 1 adult

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8:25amBostonTue, Nov 10

Travel time 6h 20m, nonstopBOSSAN

11:45amSan DiegoTue, Nov 10

$107

jetBlue, flight B6 717Found 5 days ago, 1 adult

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1:00pmBostonSat, Nov 14

Travel time 7h 33m, 1 stopBOSSAN

5:33pmSan DiegoSat, Nov 14

$109

American Airlines, flight AA 2096Found 5 days ago, 1 adult

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12:56pmBostonWed, Nov 11

Travel time 7h 38m, 1 stopBOSSAN

5:34pmSan DiegoWed, Nov 11

$130

Southwest Airlines, flight WN 3217Found 6 days ago, 1 adult

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4:55pmBostonWed, Jan 6

Travel time 7h 20m, 1 stopBOSSAN

9:15pmSan DiegoWed, Jan 6

$170

Alaska Airlines, flight AS 459Found 5 days ago, 1 adult

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7:13amBostonFri, Nov 6

Travel time 9h 15m, 1 stopBOSSAN

1:28pmSan DiegoFri, Nov 6

Round trips

The cheapest return tickets found recently, price for the whole trip.

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Getting from the airportTransfers and car hire in San Diego, booked ahead at a fixed price.
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Things to do in San DiegoPopular tours from $34 per person.
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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425–26–27–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2$172 3–4–5–6$170 7$184 8–9–10$107 11$109 12–13–14$107 15–16–17–18–19–20$184 21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7–8–9–10–11–12–13–14–15–16–17–18–19–20–21–22$208 23–2425262728293031

$109 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 10, $107.

Lowest fares by month

In the fares found this week, November has the lowest: from $107 one-way, against $232 in April 2027. Pick a month to see its cheapest date.

Octno fares yet
Nov$107
Dec$208
Jan$130
Febno fares yet
Marno fares yet
Apr$232
Mayno fares yet
Junno fares yet
Julno fares yet
Augno fares yet
Sepno fares yet

Show as a table

Month	Cheapest one-way	Date	Stops
October	—
November	$107	Tue, Nov 10	Nonstop
December	$208	Tue, Dec 22	2 stops
January 2027	$130	Wed, Jan 6	1 stop
February 2027	—
March 2027	—
April 2027	$232	Mon, Apr 19	1 stop
May 2027	—
June 2027	—
July 2027	—
August 2027	—
September 2027	—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in San Diego. Average daily high and low and monthly precipitation.

	Oct2026	Nov	Dec	Jan2027	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep
Lowest fare	–	$107	$208	$130	–	–	$232	–	–	–	–	–
High °C	24°	22°	19°	19°	19°	19°	20°	21°	22°	24°	25°	25°
Low °C	16°	13°	10°	10°	11°	13°	14°	16°	17°	19°	20°	19°
Precipitation mm	13	20	42	50	56	37	17	7	1	2	0	3

Source: San Diego on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Boston to San Diego?

In the fares found this week, November has the lowest: from $107 one-way, against $232 in April 2027.

What is the weather in San Diego in November?

In November, the cheapest month to fly, the average daily high in San Diego is 22 °C and the low 13 °C.

Are there direct flights from Boston to San Diego?

Yes. Recent fares include nonstop flights with Alaska Airlines, Southwest Airlines and jetBlue.

How long is the flight from Boston to San Diego?

A nonstop flight takes about 6h 20m. The distance is 2,582 mi.

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