How much is the cheapest flight to Petroleum County?

Prices were available within the past 7 days and start at $84 for one-way flights and $133 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jan 6 - Thu, Jan 8

DEN

Denver

BIL

Billings

$133 Roundtrip, found 6 days ago

$133

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Jan 6 from Denver to Billings, returning Thu, Jan 8, priced at $133 found 6 days ago

Sat, Feb 21 - Tue, Feb 24

SEA

Seattle

BIL

Billings

$157 Roundtrip, found 3 days ago

$157

Roundtrip

found 3 days ago

Select Bargain Flight flight, departing Sat, Feb 21 from Seattle to Billings, returning Tue, Feb 24, priced at $157 found 3 days ago

Tue, Mar 3 - Sat, Mar 7

SEA

Seattle

BIL

Billings

$157 Roundtrip, found 7 hours ago

$157

Roundtrip

found 7 hours ago

Select Hawaiian Airlines flight, departing Tue, Mar 3 from Seattle to Billings, returning Sat, Mar 7, priced at $157 found 7 hours ago

Tue, Jan 6 - Thu, Jan 8

DEN

Denver

BIL

Billings

$163 Roundtrip, found 6 days ago

$163

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Jan 6 from Denver to Billings, returning Thu, Jan 8, priced at $163 found 6 days ago

Thu, Feb 19 - Sat, Feb 21

SEA

Seattle

BIL

Billings

$166 Roundtrip, found 4 days ago

$166

Roundtrip

found 4 days ago

Select Bargain Flight flight, departing Thu, Feb 19 from Seattle to Billings, returning Sat, Feb 21, priced at $166 found 4 days ago

Wed, Jan 14 - Sun, Jan 18

SEA

Seattle

BIL

Billings

$167 Roundtrip, found 5 hours ago

$167

Roundtrip

found 5 hours ago

Select Alaska Airlines flight, departing Wed, Jan 14 from Seattle to Billings, returning Sun, Jan 18, priced at $167 found 5 hours ago

Sat, Jan 31 - Sat, Jan 31

SEA

Seattle

BIL

Billings

$171 Roundtrip, found 5 days ago

$171

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Sat, Jan 31 from Seattle to Billings, returning Sat, Jan 31, priced at $171 found 5 days ago

Sat, Feb 21 - Tue, Feb 24

SEA

Seattle

BIL

Billings

$172 Roundtrip, found 3 days ago

$172

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Sat, Feb 21 from Seattle to Billings, returning Tue, Feb 24, priced at $172 found 3 days ago

Wed, Jan 14 - Sun, Jan 18

SEA

Seattle

BIL

Billings

$187 Roundtrip, found 5 hours ago

$187

Roundtrip

found 5 hours ago

Select United flight, departing Wed, Jan 14 from Seattle to Billings, returning Sun, Jan 18, priced at $187 found 5 hours ago

Tue, Mar 17 - Tue, Mar 31

PHX

Phoenix

BIL

Billings

$232 Roundtrip, found 6 days ago

$232

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Tue, Mar 17 from Phoenix to Billings, returning Tue, Mar 31, priced at $232 found 6 days ago