Flights from Houston to Warminster

Cheapest flights from Houston

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, Jul 8 - Tue, Jul 15

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$137 Roundtrip, found 7 hours ago

$137

Roundtrip

found 7 hours ago

Select Spirit Airlines flight, departing Tue, Jul 8 from George Bush Intercontinental to Philadelphia Intl., returning Tue, Jul 15, priced at $137 found 7 hours ago

Thu, Jul 10 - Sat, Jul 12

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$141 Roundtrip, found 6 days ago

$141

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 10 from George Bush Intercontinental to Philadelphia Intl., returning Sat, Jul 12, priced at $141 found 6 days ago

Thu, Jul 10 - Mon, Jul 14

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$144 Roundtrip, found 6 days ago

$144

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 10 from George Bush Intercontinental to Philadelphia Intl., returning Mon, Jul 14, priced at $144 found 6 days ago

Thu, Jul 10 - Tue, Jul 15

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$147 Roundtrip, found 7 hours ago

$147

Roundtrip

found 7 hours ago

Select Spirit Airlines flight, departing Thu, Jul 10 from George Bush Intercontinental to Philadelphia Intl., returning Tue, Jul 15, priced at $147 found 7 hours ago

Thu, Jul 10 - Fri, Jul 11

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$154 Roundtrip, found 6 days ago

$154

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 10 from George Bush Intercontinental to Philadelphia Intl., returning Fri, Jul 11, priced at $154 found 6 days ago

Wed, Jul 9 - Sat, Jul 12

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$159 Roundtrip, found 6 days ago

$159

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Wed, Jul 9 from George Bush Intercontinental to Philadelphia Intl., returning Sat, Jul 12, priced at $159 found 6 days ago

Thu, Jul 10 - Thu, Jul 17

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$160 Roundtrip, found 7 hours ago

$160

Roundtrip

found 7 hours ago

Select Spirit Airlines flight, departing Thu, Jul 10 from George Bush Intercontinental to Philadelphia Intl., returning Thu, Jul 17, priced at $160 found 7 hours ago

Tue, Jul 8 - Sat, Jul 12

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$169 Roundtrip, found 6 days ago

$169

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Tue, Jul 8 from George Bush Intercontinental to Philadelphia Intl., returning Sat, Jul 12, priced at $169 found 6 days ago

Wed, Jul 9 - Fri, Jul 11

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$172 Roundtrip, found 6 days ago

$172

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Wed, Jul 9 from George Bush Intercontinental to Philadelphia Intl., returning Fri, Jul 11, priced at $172 found 6 days ago

Tue, Jul 8 - Tue, Jul 15

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$175 Roundtrip, found 7 hours ago

$175

Roundtrip

found 7 hours ago

Select Spirit Airlines flight, departing Tue, Jul 8 from George Bush Intercontinental to Philadelphia Intl., returning Tue, Jul 15, priced at $175 found 7 hours ago

Wed, Aug 20 - Wed, Aug 20

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$178 Roundtrip, found 1 day ago

$178

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Aug 20 from George Bush Intercontinental to Philadelphia Intl., returning Wed, Aug 20, priced at $178 found 1 day ago

Mon, Jul 7 - Sat, Jul 12

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$179 Roundtrip, found 6 days ago

$179

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jul 7 from George Bush Intercontinental to Philadelphia Intl., returning Sat, Jul 12, priced at $179 found 6 days ago

Sat, Jul 5 - Tue, Jul 15

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$180 Roundtrip, found 7 hours ago

$180

Roundtrip

found 7 hours ago

Select Spirit Airlines flight, departing Sat, Jul 5 from George Bush Intercontinental to Philadelphia Intl., returning Tue, Jul 15, priced at $180 found 7 hours ago

Thu, Jul 10 - Mon, Jul 14

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$182 Roundtrip, found 6 days ago

$182

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 10 from George Bush Intercontinental to Philadelphia Intl., returning Mon, Jul 14, priced at $182 found 6 days ago

Thu, Jul 10 - Mon, Jul 14

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$182 Roundtrip, found 6 days ago

$182

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 10 from George Bush Intercontinental to Philadelphia Intl., returning Mon, Jul 14, priced at $182 found 6 days ago

Fri, Aug 22 - Sun, Aug 24

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$203 Roundtrip, found 1 day ago

$203

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 22 from George Bush Intercontinental to Philadelphia Intl., returning Sun, Aug 24, priced at $203 found 1 day ago

Thu, Aug 21 - Thu, Aug 21

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$233 Roundtrip, found 1 day ago

$233

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Aug 21 from George Bush Intercontinental to Philadelphia Intl., returning Thu, Aug 21, priced at $233 found 1 day ago

Fri, Aug 22 - Sun, Aug 24

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$239 Roundtrip, found 1 day ago

$239

Roundtrip

found 1 day ago

Select United flight, departing Fri, Aug 22 from George Bush Intercontinental to Philadelphia Intl., returning Sun, Aug 24, priced at $239 found 1 day ago

Mon, Jun 30 - Thu, Jul 3

IAH

George Bush Intercontinental

PHL

Philadelphia Intl.

$286 Roundtrip, found 1 day ago

$286

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 30 from George Bush Intercontinental to Philadelphia Intl., returning Thu, Jul 3, priced at $286 found 1 day ago

Sun, Jun 29 - Mon, Jun 30

IAH

George Bush Intercontinental

TTN

Mercer

$294 Roundtrip, found 1 day ago

$294

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jun 29 from George Bush Intercontinental to Mercer, returning Mon, Jun 30, priced at $294 found 1 day ago