Cheap Flights to Northumberland County from $99

How much is the cheapest flight to Northumberland County?

Prices were available within the past 7 days and start at $99 for one-way flights and $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 6 - Thu, Jul 9

IAD

Washington

IPT

Williamsport

$198 Roundtrip, found 5 hours ago

$198

Roundtrip

found 5 hours ago

Select Southern Airways Express flight, departing Mon, Jul 6 from Washington to Williamsport, returning Thu, Jul 9, priced at $198 found 5 hours ago

Tue, Jun 23 - Tue, Jun 30

IAD

Washington

IPT

Williamsport

$208 Roundtrip, found 2 days ago

$208

Roundtrip

found 2 days ago

Select Southern Airways Express flight, departing Tue, Jun 23 from Washington to Williamsport, returning Tue, Jun 30, priced at $208 found 2 days ago

Thu, Aug 6 - Mon, Aug 10

IAD

Washington

MDT

Harrisburg

$239 Roundtrip, found 5 days ago

$239

Roundtrip

found 5 days ago

Select United flight, departing Thu, Aug 6 from Washington to Harrisburg, returning Mon, Aug 10, priced at $239 found 5 days ago

Thu, Aug 6 - Mon, Aug 10

IAD

Washington

MDT

Harrisburg

$247 Roundtrip, found 5 days ago

$247

Roundtrip

found 5 days ago

Select United flight, departing Thu, Aug 6 from Washington to Harrisburg, returning Mon, Aug 10, priced at $247 found 5 days ago

Mon, Jun 15 - Mon, Jun 22

IAD

Washington

IPT

Williamsport

$248 Roundtrip, found 1 day ago

$248

Roundtrip

found 1 day ago

Select Southern Airways Express flight, departing Mon, Jun 15 from Washington to Williamsport, returning Mon, Jun 22, priced at $248 found 1 day ago

Thu, Jul 2 - Sat, Jul 11

IAD

Washington

MDT

Harrisburg

$250 Roundtrip, found 5 days ago

$250

Roundtrip

found 5 days ago

Select United flight, departing Thu, Jul 2 from Washington to Harrisburg, returning Sat, Jul 11, priced at $250 found 5 days ago

Sat, Jul 11 - Sun, Jul 12

IAD

Washington

MDT

Harrisburg

$257 Roundtrip, found 3 days ago

$257

Roundtrip

found 3 days ago

Select United flight, departing Sat, Jul 11 from Washington to Harrisburg, returning Sun, Jul 12, priced at $257 found 3 days ago

Sat, Jun 27 - Sun, Jun 28

IAD

Washington

MDT

Harrisburg

$289 Roundtrip, just found

$289

Roundtrip

just found

Select American Airlines flight, departing Sat, Jun 27 from Washington to Harrisburg, returning Sun, Jun 28, priced at $289 just found

Sat, Aug 22 - Tue, Aug 25

GSP

Greenville

MDT

Harrisburg

$291 Roundtrip, found 2 hours ago

$291

Roundtrip

found 2 hours ago

Select Delta flight, departing Sat, Aug 22 from Greenville to Harrisburg, returning Tue, Aug 25, priced at $291 found 2 hours ago

Thu, Sep 3 - Tue, Sep 8

AUS

Austin

IPT

Williamsport

$1,041 Roundtrip, found 4 days ago

$1,041

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Thu, Sep 3 from Austin to Williamsport, returning Tue, Sep 8, priced at $1,041 found 4 days ago