Cheap Flights to Petroleum County from $74

How much is the cheapest flight to Petroleum County?

Prices were available within the past 7 days and start at $74 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 31 - Tue, Apr 14

PDX

Portland

BIL

Billings

$177 Roundtrip, found 3 hours ago

$177

Roundtrip

found 3 hours ago

Select Alaska Airlines flight, departing Tue, Mar 31 from Portland to Billings, returning Tue, Apr 14, priced at $177 found 3 hours ago

Wed, May 6 - Sat, May 9

PDX

Portland

BIL

Billings

$187 Roundtrip, found 1 day ago

$187

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, May 6 from Portland to Billings, returning Sat, May 9, priced at $187 found 1 day ago

Sat, Apr 11 - Sat, Apr 25

PDX

Portland

BIL

Billings

$187 Roundtrip, found 2 days ago

$187

Roundtrip

found 2 days ago

Select United flight, departing Sat, Apr 11 from Portland to Billings, returning Sat, Apr 25, priced at $187 found 2 days ago

Tue, Mar 17 - Wed, Apr 8

PDX

Portland

BIL

Billings

$187 Roundtrip, found 1 day ago

$187

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Tue, Mar 17 from Portland to Billings, returning Wed, Apr 8, priced at $187 found 1 day ago

Tue, Mar 10 - Mon, Mar 16

DEN

Denver

BIL

Billings

$189 Roundtrip, found 9 hours ago

$189

Roundtrip

found 9 hours ago

Select United flight, departing Tue, Mar 10 from Denver to Billings, returning Mon, Mar 16, priced at $189 found 9 hours ago

Wed, Apr 1 - Tue, Apr 7

PDX

Portland

BIL

Billings

$192 Roundtrip, found 2 days ago

$192

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Wed, Apr 1 from Portland to Billings, returning Tue, Apr 7, priced at $192 found 2 days ago

Wed, Apr 1 - Tue, Apr 7

PDX

Portland

BIL

Billings

$194 Roundtrip, found 2 days ago

$194

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Wed, Apr 1 from Portland to Billings, returning Tue, Apr 7, priced at $194 found 2 days ago

Fri, Mar 13 - Wed, Mar 25

PDX

Portland

BIL

Billings

$197 Roundtrip, found 1 day ago

$197

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Mar 13 from Portland to Billings, returning Wed, Mar 25, priced at $197 found 1 day ago

Fri, Mar 27 - Wed, Apr 8

PDX

Portland

BIL

Billings

$197 Roundtrip, found 4 hours ago

$197

Roundtrip

found 4 hours ago

Select Hawaiian Airlines flight, departing Fri, Mar 27 from Portland to Billings, returning Wed, Apr 8, priced at $197 found 4 hours ago

Tue, Aug 11 - Tue, Aug 18

ORD

Chicago

BIL

Billings

$229 Roundtrip, found 1 day ago

$229

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Aug 11 from Chicago to Billings, returning Tue, Aug 18, priced at $229 found 1 day ago