Flights from Boston to San Ysidro

Cheapest flights from Boston

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 19 - Tue, Aug 26

BOS

Logan Intl.

SAN

San Diego Intl.

$237 Roundtrip, found 6 days ago

$237

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Aug 19 from Logan Intl. to San Diego Intl., returning Tue, Aug 26, priced at $237 found 6 days ago

Tue, Aug 19 - Tue, Aug 26

BOS

Logan Intl.

SAN

San Diego Intl.

$243 Roundtrip, found 6 days ago

$243

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Aug 19 from Logan Intl. to San Diego Intl., returning Tue, Aug 26, priced at $243 found 6 days ago

Tue, Aug 19 - Tue, Aug 26

BOS

Logan Intl.

SAN

San Diego Intl.

$247 Roundtrip, found 6 days ago

$247

Roundtrip

found 6 days ago

Select American Airlines flight, departing Tue, Aug 19 from Logan Intl. to San Diego Intl., returning Tue, Aug 26, priced at $247 found 6 days ago

Tue, Aug 19 - Tue, Aug 26

BOS

Logan Intl.

SAN

San Diego Intl.

$252 Roundtrip, found 6 days ago

$252

Roundtrip

found 6 days ago

Select United flight, departing Tue, Aug 19 from Logan Intl. to San Diego Intl., returning Tue, Aug 26, priced at $252 found 6 days ago

Tue, Aug 19 - Tue, Aug 26

BOS

Logan Intl.

CLD

McClellan-Palomar

$257 Roundtrip, found 6 days ago

$257

Roundtrip

found 6 days ago

Select American Airlines flight, departing Tue, Aug 19 from Logan Intl. to McClellan-Palomar, returning Tue, Aug 26, priced at $257 found 6 days ago

Tue, Aug 19 - Tue, Aug 26

BOS

Logan Intl.

SAN

San Diego Intl.

$257 Roundtrip, found 6 days ago

$257

Roundtrip

found 6 days ago

Select American Airlines flight, departing Tue, Aug 19 from Logan Intl. to San Diego Intl., returning Tue, Aug 26, priced at $257 found 6 days ago

Thu, Aug 21 - Fri, Aug 22

BOS

Logan Intl.

SAN

San Diego Intl.

$277 Roundtrip, found 3 days ago

$277

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Thu, Aug 21 from Logan Intl. to San Diego Intl., returning Fri, Aug 22, priced at $277 found 3 days ago

Thu, Aug 21 - Fri, Aug 22

BOS

Logan Intl.

SAN

San Diego Intl.

$278 Roundtrip, found 3 days ago

$278

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Thu, Aug 21 from Logan Intl. to San Diego Intl., returning Fri, Aug 22, priced at $278 found 3 days ago

Thu, Aug 21 - Fri, Aug 22

BOS

Logan Intl.

SAN

San Diego Intl.

$279 Roundtrip, found 3 days ago

$279

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Thu, Aug 21 from Logan Intl. to San Diego Intl., returning Fri, Aug 22, priced at $279 found 3 days ago

Tue, Aug 19 - Tue, Aug 26

BOS

Logan Intl.

SAN

San Diego Intl.

$282 Roundtrip, found 6 days ago

$282

Roundtrip

found 6 days ago

Select United flight, departing Tue, Aug 19 from Logan Intl. to San Diego Intl., returning Tue, Aug 26, priced at $282 found 6 days ago

Thu, Aug 21 - Fri, Aug 22

BOS

Logan Intl.

SAN

San Diego Intl.

$284 Roundtrip, found 3 days ago

$284

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Thu, Aug 21 from Logan Intl. to San Diego Intl., returning Fri, Aug 22, priced at $284 found 3 days ago

Thu, Aug 21 - Fri, Aug 22

BOS

Logan Intl.

SAN

San Diego Intl.

$288 Roundtrip, found 3 days ago

$288

Roundtrip

found 3 days ago

Select American Airlines flight, departing Thu, Aug 21 from Logan Intl. to San Diego Intl., returning Fri, Aug 22, priced at $288 found 3 days ago

Thu, Aug 21 - Fri, Aug 22

BOS

Logan Intl.

SAN

San Diego Intl.

$292 Roundtrip, found 3 days ago

$292

Roundtrip

found 3 days ago

Select American Airlines flight, departing Thu, Aug 21 from Logan Intl. to San Diego Intl., returning Fri, Aug 22, priced at $292 found 3 days ago

Tue, Aug 19 - Tue, Aug 26

BOS

Logan Intl.

CLD

McClellan-Palomar

$297 Roundtrip, found 6 days ago

$297

Roundtrip

found 6 days ago

Select American Airlines flight, departing Tue, Aug 19 from Logan Intl. to McClellan-Palomar, returning Tue, Aug 26, priced at $297 found 6 days ago

Thu, Aug 21 - Sun, Aug 24

BOS

Logan Intl.

SAN

San Diego Intl.

$297 Roundtrip, found 6 days ago

$297

Roundtrip

found 6 days ago

Select Hawaiian Airlines flight, departing Thu, Aug 21 from Logan Intl. to San Diego Intl., returning Sun, Aug 24, priced at $297 found 6 days ago

Thu, Aug 21 - Fri, Aug 22

BOS

Logan Intl.

SAN

San Diego Intl.

$301 Roundtrip, found 3 days ago

$301

Roundtrip

found 3 days ago

Select United flight, departing Thu, Aug 21 from Logan Intl. to San Diego Intl., returning Fri, Aug 22, priced at $301 found 3 days ago

Thu, Aug 21 - Fri, Aug 22

BOS

Logan Intl.

SAN

San Diego Intl.

$305 Roundtrip, found 3 days ago

$305

Roundtrip

found 3 days ago

Select United flight, departing Thu, Aug 21 from Logan Intl. to San Diego Intl., returning Fri, Aug 22, priced at $305 found 3 days ago

Sun, Aug 17 - Sun, Aug 24

BOS

Logan Intl.

SAN

San Diego Intl.

$307 Roundtrip, found 6 days ago

$307

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Sun, Aug 17 from Logan Intl. to San Diego Intl., returning Sun, Aug 24, priced at $307 found 6 days ago

Fri, Dec 5 - Tue, Dec 9

MHT

Manchester-Boston Regional

SAN

San Diego Intl.

$352 Roundtrip, found 5 days ago

$352

Roundtrip

found 5 days ago

Select American Airlines flight, departing Fri, Dec 5 from Manchester-Boston Regional to San Diego Intl., returning Tue, Dec 9, priced at $352 found 5 days ago

Fri, Dec 5 - Tue, Dec 9

MHT

Manchester-Boston Regional

SAN

San Diego Intl.

$692 Roundtrip, found 5 days ago

$692

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Fri, Dec 5 from Manchester-Boston Regional to San Diego Intl., returning Tue, Dec 9, priced at $692 found 5 days ago