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Get United's best fares today on flights from Boston to San Diego from *

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Low fare calendar for flights from Boston (BOS) to San Diego (SAN)

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from
$358*
Viewed:a day ago
day-card-journey-type-option-rt
Return:03/13/20
29
from
$285*
Viewed:11 hours ago
day-card-journey-type-option-rt
Return:03/07/20
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Looking for additional flights from Boston to San Diego?

FromToDatesFare TypePrice

Boston (BOS)

San Diego (SAN)

Depart: 03/31/20

Return: 04/14/20

Roundtrip
from
$246*
Viewed:10hoursago

Boston (BOS)

San Diego (SAN)

Depart: 03/31/20

Return: 04/07/20

Roundtrip
from
$246*
Viewed:10hoursago

Boston (BOS)

San Diego (SAN)

Depart: 04/07/20

Return: 04/14/20

Roundtrip
from
$246*
Viewed:10hoursago

Boston (BOS)

San Diego (SAN)

Depart: 04/07/20

Return: 04/21/20

Roundtrip
from
$246*
Viewed:10hoursago

Boston (BOS)

San Diego (SAN)

Depart: 03/30/20

Return: 04/06/20

Roundtrip
from
$250*
Viewed:10hoursago

Boston (BOS)

San Diego (SAN)

Depart: 04/01/20

Return: 04/08/20

Roundtrip
from
$250*
Viewed:10hoursago

Boston (BOS)

San Diego (SAN)

Depart: 05/05/20

Return: 05/19/20

Roundtrip
from
$250*
Viewed:10hoursago

Boston (BOS)

San Diego (SAN)

Depart: 04/27/20

Return: 05/11/20

Roundtrip
from
$250*
Viewed:10hoursago

Boston (BOS)

San Diego (SAN)

Depart: 04/28/20

Return: 05/12/20

Roundtrip
from
$250*
Viewed:10hoursago

Boston (BOS)

San Diego (SAN)

Depart: 04/14/20

Return: 04/21/20

Roundtrip
from
$250*
Viewed:10hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in San Diego

Friday broken clouds
81°F 02/28/20
Saturday scattered clouds
68°F 02/29/20
Sunday moderate rain
54°F 03/01/20
Monday scattered clouds
60°F 03/02/20
Tuesday sky is clear
66°F 03/03/20
Wednesday overcast clouds
71°F 03/04/20
Thursday few clouds
71°F 03/05/20
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