$125 Cheap Frontier Airlines flights Baltimore (BWI) to Seattle (SEA)

$125 Cheap Frontier Airlines flights Baltimore (BWI) to Seattle (SEA)

Prices were available within the past 7 days and start at $125 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 9 - Thu, Jun 12

BWI

Baltimore

SEA

Seattle

$229 Roundtrip, just found

$229

Roundtrip

just found

Select Frontier Airlines flight, departing Mon, Jun 9 from Baltimore to Seattle, returning Thu, Jun 12, priced at $229 just found

Mon, Jun 9 - Thu, Jun 12

BWI

Baltimore

SEA

Seattle

$239 Roundtrip, just found

$239

Roundtrip

just found

Select Frontier Airlines flight, departing Mon, Jun 9 from Baltimore to Seattle, returning Thu, Jun 12, priced at $239 just found

Wed, Jun 11 - Sun, Jun 15

BWI

Baltimore

SEA

Seattle

$255 Roundtrip, found 2 days ago

$255

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Baltimore to Seattle, returning Sun, Jun 15, priced at $255 found 2 days ago

Fri, Sep 19 - Sat, Sep 27

BWI

Baltimore

SEA

Seattle

$259 Roundtrip, found 4 days ago

$259

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Sep 19 from Baltimore to Seattle, returning Sat, Sep 27, priced at $259 found 4 days ago

Fri, Aug 8 - Thu, Aug 14

BWI

Baltimore

SEA

Seattle

$290 Roundtrip, just found

$290

Roundtrip

just found

Select Frontier Airlines flight, departing Fri, Aug 8 from Baltimore to Seattle, returning Thu, Aug 14, priced at $290 just found

Fri, Sep 19 - Sun, Sep 28

BWI

Baltimore

SEA

Seattle

$310 Roundtrip, found 4 days ago

$310

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Sep 19 from Baltimore to Seattle, returning Sun, Sep 28, priced at $310 found 4 days ago

Fri, Aug 8 - Sat, Aug 16

BWI

Baltimore

SEA

Seattle

$314 Roundtrip, found 3 hours ago

$314

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Baltimore to Seattle, returning Sat, Aug 16, priced at $314 found 3 hours ago