Flights from Baltimore to San Luis

Cheapest flights from Baltimore

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 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$256 Roundtrip, found 4 days ago

$256

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $256 found 4 days ago

Tue, Aug 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$259 Roundtrip, found 4 days ago

$259

Roundtrip

found 4 days ago

Select United flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $259 found 4 days ago

Tue, Aug 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$262 Roundtrip, found 4 days ago

$262

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $262 found 4 days ago

Tue, Aug 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$284 Roundtrip, found 4 days ago

$284

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $284 found 4 days ago

Tue, Aug 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$290 Roundtrip, found 4 days ago

$290

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $290 found 4 days ago

Tue, Aug 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$296 Roundtrip, found 4 days ago

$296

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $296 found 4 days ago

Mon, Aug 11 - Sat, Aug 16

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$299 Roundtrip, found 1 day ago

$299

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Aug 11 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Sat, Aug 16, priced at $299 found 1 day ago

Tue, Aug 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$302 Roundtrip, found 4 days ago

$302

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $302 found 4 days ago

Mon, Aug 11 - Sat, Aug 16

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$305 Roundtrip, found 1 day ago

$305

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Aug 11 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Sat, Aug 16, priced at $305 found 1 day ago

Tue, Aug 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$309 Roundtrip, found 4 days ago

$309

Roundtrip

found 4 days ago

Select United flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $309 found 4 days ago

Tue, Aug 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$313 Roundtrip, found 4 days ago

$313

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $313 found 4 days ago

Tue, Aug 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$327 Roundtrip, found 4 days ago

$327

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $327 found 4 days ago

Mon, Aug 11 - Sat, Aug 16

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$329 Roundtrip, found 1 day ago

$329

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Aug 11 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Sat, Aug 16, priced at $329 found 1 day ago

Sat, Aug 9 - Sat, Aug 16

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$333 Roundtrip, found 4 days ago

$333

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sat, Aug 9 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Sat, Aug 16, priced at $333 found 4 days ago

Mon, Aug 11 - Sat, Aug 16

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$335 Roundtrip, found 1 day ago

$335

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Aug 11 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Sat, Aug 16, priced at $335 found 1 day ago

Mon, Jul 21 - Wed, Jul 23

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$337 Roundtrip, found 3 days ago

$337

Roundtrip

found 3 days ago

Select American Airlines flight, departing Mon, Jul 21 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Wed, Jul 23, priced at $337 found 3 days ago

Tue, Aug 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$342 Roundtrip, found 4 days ago

$342

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $342 found 4 days ago

Mon, Jul 21 - Thu, Jul 24

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$376 Roundtrip, found 3 days ago

$376

Roundtrip

found 3 days ago

Select United flight, departing Mon, Jul 21 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Thu, Jul 24, priced at $376 found 3 days ago

Tue, Aug 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$472 Roundtrip, found 4 days ago

$472

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $472 found 4 days ago

Mon, Aug 11 - Sat, Aug 16

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$543 Roundtrip, found 1 day ago

$543

Roundtrip

found 1 day ago

Select Copa flight, departing Mon, Aug 11 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Sat, Aug 16, priced at $543 found 1 day ago