Flights from Boston to San Luis

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.

Sat, Oct 11 - Tue, Oct 21

BOS

Logan Intl.

IAH

George Bush Intercontinental

$180 Roundtrip, found 13 hours ago

$180

Roundtrip

found 13 hours ago

Select Spirit Airlines flight, departing Sat, Oct 11 from Logan Intl. to George Bush Intercontinental, returning Tue, Oct 21, priced at $180 found 13 hours ago

Fri, Nov 7 - Fri, Nov 14

BOS

Logan Intl.

IAH

George Bush Intercontinental

$181 Roundtrip, found 12 hours ago

$181

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Fri, Nov 7 from Logan Intl. to George Bush Intercontinental, returning Fri, Nov 14, priced at $181 found 12 hours ago

Wed, Oct 8 - Tue, Oct 21

BOS

Logan Intl.

IAH

George Bush Intercontinental

$184 Roundtrip, found 13 hours ago

$184

Roundtrip

found 13 hours ago

Select Spirit Airlines flight, departing Wed, Oct 8 from Logan Intl. to George Bush Intercontinental, returning Tue, Oct 21, priced at $184 found 13 hours ago

Sat, Oct 11 - Sat, Oct 18

BOS

Logan Intl.

IAH

George Bush Intercontinental

$188 Roundtrip, found 13 hours ago

$188

Roundtrip

found 13 hours ago

Select Spirit Airlines flight, departing Sat, Oct 11 from Logan Intl. to George Bush Intercontinental, returning Sat, Oct 18, priced at $188 found 13 hours ago

Thu, Oct 9 - Tue, Oct 21

BOS

Logan Intl.

IAH

George Bush Intercontinental

$189 Roundtrip, found 13 hours ago

$189

Roundtrip

found 13 hours ago

Select Spirit Airlines flight, departing Thu, Oct 9 from Logan Intl. to George Bush Intercontinental, returning Tue, Oct 21, priced at $189 found 13 hours ago

Sat, Oct 11 - Sat, Oct 18

BOS

Logan Intl.

IAH

George Bush Intercontinental

$190 Roundtrip, found 13 hours ago

$190

Roundtrip

found 13 hours ago

Select Spirit Airlines flight, departing Sat, Oct 11 from Logan Intl. to George Bush Intercontinental, returning Sat, Oct 18, priced at $190 found 13 hours ago

Thu, Nov 6 - Wed, Nov 12

BOS

Logan Intl.

IAH

George Bush Intercontinental

$190 Roundtrip, found 12 hours ago

$190

Roundtrip

found 12 hours ago

Select Spirit Airlines flight, departing Thu, Nov 6 from Logan Intl. to George Bush Intercontinental, returning Wed, Nov 12, priced at $190 found 12 hours ago

Sat, Oct 11 - Thu, Oct 16

BOS

Logan Intl.

IAH

George Bush Intercontinental

$191 Roundtrip, found 13 hours ago

$191

Roundtrip

found 13 hours ago

Select Spirit Airlines flight, departing Sat, Oct 11 from Logan Intl. to George Bush Intercontinental, returning Thu, Oct 16, priced at $191 found 13 hours ago

Wed, Oct 8 - Wed, Oct 15

BOS

Logan Intl.

IAH

George Bush Intercontinental

$193 Roundtrip, found 13 hours ago

$193

Roundtrip

found 13 hours ago

Select Spirit Airlines flight, departing Wed, Oct 8 from Logan Intl. to George Bush Intercontinental, returning Wed, Oct 15, priced at $193 found 13 hours ago

Tue, Nov 4 - Wed, Nov 12

BOS

Logan Intl.

IAH

George Bush Intercontinental

$194 Roundtrip, found 12 hours ago

$194

Roundtrip

found 12 hours ago

Select Spirit Airlines flight, departing Tue, Nov 4 from Logan Intl. to George Bush Intercontinental, returning Wed, Nov 12, priced at $194 found 12 hours ago

Thu, Nov 6 - Tue, Nov 11

BOS

Logan Intl.

IAH

George Bush Intercontinental

$195 Roundtrip, found 12 hours ago

$195

Roundtrip

found 12 hours ago

Select Spirit Airlines flight, departing Thu, Nov 6 from Logan Intl. to George Bush Intercontinental, returning Tue, Nov 11, priced at $195 found 12 hours ago

Mon, Nov 10 - Wed, Nov 12

BOS

Logan Intl.

IAH

George Bush Intercontinental

$199 Roundtrip, found 12 hours ago

$199

Roundtrip

found 12 hours ago

Select Spirit Airlines flight, departing Mon, Nov 10 from Logan Intl. to George Bush Intercontinental, returning Wed, Nov 12, priced at $199 found 12 hours ago

Tue, Nov 4 - Tue, Nov 11

BOS

Logan Intl.

IAH

George Bush Intercontinental

$199 Roundtrip, found 12 hours ago

$199

Roundtrip

found 12 hours ago

Select Spirit Airlines flight, departing Tue, Nov 4 from Logan Intl. to George Bush Intercontinental, returning Tue, Nov 11, priced at $199 found 12 hours ago

Wed, Nov 5 - Wed, Nov 12

BOS

Logan Intl.

IAH

George Bush Intercontinental

$227 Roundtrip, found 12 hours ago

$227

Roundtrip

found 12 hours ago

Select United flight, departing Wed, Nov 5 from Logan Intl. to George Bush Intercontinental, returning Wed, Nov 12, priced at $227 found 12 hours ago

Fri, Nov 7 - Fri, Nov 14

BOS

Logan Intl.

IAH

George Bush Intercontinental

$242 Roundtrip, found 12 hours ago

$242

Roundtrip

found 12 hours ago

Select JetBlue Airways flight, departing Fri, Nov 7 from Logan Intl. to George Bush Intercontinental, returning Fri, Nov 14, priced at $242 found 12 hours ago

Wed, Nov 5 - Wed, Nov 12

BOS

Logan Intl.

IAH

George Bush Intercontinental

$246 Roundtrip, found 12 hours ago

$246

Roundtrip

found 12 hours ago

Select American Airlines flight, departing Wed, Nov 5 from Logan Intl. to George Bush Intercontinental, returning Wed, Nov 12, priced at $246 found 12 hours ago

Wed, Nov 5 - Wed, Nov 12

BOS

Logan Intl.

HOU

William P. Hobby

$247 Roundtrip, found 12 hours ago

$247

Roundtrip

found 12 hours ago

Select American Airlines flight, departing Wed, Nov 5 from Logan Intl. to William P. Hobby, returning Wed, Nov 12, priced at $247 found 12 hours ago

Tue, Oct 7 - Tue, Oct 14

PVD

T.F. Green

IAH

George Bush Intercontinental

$257 Roundtrip, found 13 hours ago

$257

Roundtrip

found 13 hours ago

Select Delta flight, departing Tue, Oct 7 from T.F. Green to George Bush Intercontinental, returning Tue, Oct 14, priced at $257 found 13 hours ago

Wed, Nov 5 - Wed, Nov 12

BOS

Logan Intl.

IAH

George Bush Intercontinental

$257 Roundtrip, found 12 hours ago

$257

Roundtrip

found 12 hours ago

Select Delta flight, departing Wed, Nov 5 from Logan Intl. to George Bush Intercontinental, returning Wed, Nov 12, priced at $257 found 12 hours ago

Mon, Oct 6 - Mon, Oct 13

PVD

T.F. Green

HOU

William P. Hobby

$799 Roundtrip, found 13 hours ago

$799

Roundtrip

found 13 hours ago

Select Delta flight, departing Mon, Oct 6 from T.F. Green to William P. Hobby, returning Mon, Oct 13, priced at $799 found 13 hours ago