Flights from Portland to Princeton

Cheapest flights from Portland

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.

Thu, Sep 25 - Tue, Sep 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$213 Roundtrip, just found

$213

Roundtrip

just found

Select Spirit Airlines flight, departing Thu, Sep 25 from Portland Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 30, priced at $213 just found

Fri, Aug 22 - Sat, Aug 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$233 Roundtrip, found 1 day ago

$233

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Aug 22 from Portland Intl. to Newark Liberty Intl. Airport, returning Sat, Aug 30, priced at $233 found 1 day ago

Fri, Aug 22 - Sun, Aug 31

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$239 Roundtrip, found 1 day ago

$239

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Aug 22 from Portland Intl. to Newark Liberty Intl. Airport, returning Sun, Aug 31, priced at $239 found 1 day ago

Fri, Aug 22 - Thu, Aug 28

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$244 Roundtrip, found 1 day ago

$244

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Aug 22 from Portland Intl. to Newark Liberty Intl. Airport, returning Thu, Aug 28, priced at $244 found 1 day ago

Tue, Oct 7 - Sat, Oct 18

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$257 Roundtrip, found 3 days ago

$257

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Tue, Oct 7 from Portland Intl. to Newark Liberty Intl. Airport, returning Sat, Oct 18, priced at $257 found 3 days ago

Fri, Aug 22 - Fri, Aug 29

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$258 Roundtrip, found 1 day ago

$258

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Aug 22 from Portland Intl. to Newark Liberty Intl. Airport, returning Fri, Aug 29, priced at $258 found 1 day ago

Thu, Sep 25 - Tue, Sep 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$275 Roundtrip, just found

$275

Roundtrip

just found

Select United flight, departing Thu, Sep 25 from Portland Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 30, priced at $275 just found

Thu, Sep 25 - Tue, Sep 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$277 Roundtrip, just found

$277

Roundtrip

just found

Select United flight, departing Thu, Sep 25 from Portland Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 30, priced at $277 just found

Thu, Sep 25 - Tue, Sep 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$282 Roundtrip, just found

$282

Roundtrip

just found

Select Spirit Airlines flight, departing Thu, Sep 25 from Portland Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 30, priced at $282 just found

Thu, Aug 21 - Sat, Aug 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$284 Roundtrip, found 23 hours ago

$284

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Thu, Aug 21 from Portland Intl. to Newark Liberty Intl. Airport, returning Sat, Aug 30, priced at $284 found 23 hours ago

Thu, Sep 25 - Tue, Sep 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$285 Roundtrip, just found

$285

Roundtrip

just found

Select American Airlines flight, departing Thu, Sep 25 from Portland Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 30, priced at $285 just found

Thu, Aug 21 - Sat, Aug 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$287 Roundtrip, found 23 hours ago

$287

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Thu, Aug 21 from Portland Intl. to Newark Liberty Intl. Airport, returning Sat, Aug 30, priced at $287 found 23 hours ago

Thu, Sep 25 - Tue, Sep 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$287 Roundtrip, just found

$287

Roundtrip

just found

Select United flight, departing Thu, Sep 25 from Portland Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 30, priced at $287 just found

Fri, Aug 22 - Tue, Sep 2

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$288 Roundtrip, found 1 day ago

$288

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Aug 22 from Portland Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 2, priced at $288 found 1 day ago

Thu, Aug 21 - Sat, Aug 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$293 Roundtrip, found 23 hours ago

$293

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Thu, Aug 21 from Portland Intl. to Newark Liberty Intl. Airport, returning Sat, Aug 30, priced at $293 found 23 hours ago

Thu, Aug 21 - Sat, Aug 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$296 Roundtrip, found 23 hours ago

$296

Roundtrip

found 23 hours ago

Select United flight, departing Thu, Aug 21 from Portland Intl. to Newark Liberty Intl. Airport, returning Sat, Aug 30, priced at $296 found 23 hours ago

Thu, Sep 25 - Tue, Sep 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$297 Roundtrip, just found

$297

Roundtrip

just found

Select United flight, departing Thu, Sep 25 from Portland Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 30, priced at $297 just found

Fri, Oct 10 - Tue, Oct 21

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$297 Roundtrip, found 3 days ago

$297

Roundtrip

found 3 days ago

Select Delta flight, departing Fri, Oct 10 from Portland Intl. to Newark Liberty Intl. Airport, returning Tue, Oct 21, priced at $297 found 3 days ago

Fri, Oct 10 - Sun, Oct 19

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$297 Roundtrip, found 3 days ago

$297

Roundtrip

found 3 days ago

Select United flight, departing Fri, Oct 10 from Portland Intl. to Newark Liberty Intl. Airport, returning Sun, Oct 19, priced at $297 found 3 days ago

Thu, Aug 21 - Sat, Aug 30

PDX

Portland Intl.

EWR

Newark Liberty Intl. Airport

$327 Roundtrip, found 23 hours ago

$327

Roundtrip

found 23 hours ago

Select Alaska Airlines flight, departing Thu, Aug 21 from Portland Intl. to Newark Liberty Intl. Airport, returning Sat, Aug 30, priced at $327 found 23 hours ago