$253 Cheap Flights from Twin Falls (TWF) to Portland (PDX)

View $253 flight on Sun, Oct 19, 2025Opens in a new window

Popular airlines from Twin Falls, ID (TWF) to Portland International Airport (PDX)

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Cheap Flights from Twin Falls to Portland (TWF-PDX)

Prices were available within the past 7 days and start at $253 for one-way flights and $296 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 16 - Tue, Jan 6
TWF
Twin Falls
PDX
Portland
$296 Roundtrip, found 2 days ago
$296
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 16 from Twin Falls to Portland, returning Tue, Jan 6, priced at $296 found 2 days ago
Delta
Mon, Nov 24 - Wed, Dec 3
TWF
Twin Falls
PDX
Portland
$306 Roundtrip, found 5 hours ago
$306
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Nov 24 from Twin Falls to Portland, returning Wed, Dec 3, priced at $306 found 5 hours ago
Delta
Mon, Nov 17 - Thu, Dec 4
TWF
Twin Falls
PDX
Portland
$316 Roundtrip, found 3 days ago
$316
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Nov 17 from Twin Falls to Portland, returning Thu, Dec 4, priced at $316 found 3 days ago
Delta
Tue, Nov 18 - Tue, Dec 2
TWF
Twin Falls
PDX
Portland
$326 Roundtrip, found 3 days ago
$326
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Nov 18 from Twin Falls to Portland, returning Tue, Dec 2, priced at $326 found 3 days ago
Delta
Wed, Oct 8 - Sat, Oct 25
TWF
Twin Falls
PDX
Portland
$326 Roundtrip, found 19 hours ago
$326
Roundtrip
found 19 hours ago
Select Delta flight, departing Wed, Oct 8 from Twin Falls to Portland, returning Sat, Oct 25, priced at $326 found 19 hours ago
Delta
Mon, Nov 24 - Tue, Dec 2
TWF
Twin Falls
PDX
Portland
$336 Roundtrip, found 5 hours ago
$336
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Nov 24 from Twin Falls to Portland, returning Tue, Dec 2, priced at $336 found 5 hours ago
Delta
Tue, Nov 25 - Wed, Dec 3
TWF
Twin Falls
PDX
Portland
$336 Roundtrip, found 5 hours ago
$336
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Nov 25 from Twin Falls to Portland, returning Wed, Dec 3, priced at $336 found 5 hours ago
Delta
Thu, Nov 27 - Wed, Dec 3
TWF
Twin Falls
PDX
Portland
$346 Roundtrip, found 5 hours ago
$346
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Nov 27 from Twin Falls to Portland, returning Wed, Dec 3, priced at $346 found 5 hours ago
Delta
Tue, Oct 7 - Sat, Oct 25
TWF
Twin Falls
PDX
Portland
$346 Roundtrip, found 19 hours ago
$346
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Oct 7 from Twin Falls to Portland, returning Sat, Oct 25, priced at $346 found 19 hours ago
Delta
Sat, Oct 18 - Sat, Nov 1
TWF
Twin Falls
PDX
Portland
$355 Roundtrip, found 4 days ago
$355
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Oct 18 from Twin Falls to Portland, returning Sat, Nov 1, priced at $355 found 4 days ago

Frequently asked questions

How much does a flight from Twin Falls Airport (TWF) to Portland Intl. Airport (PDX) cost?
Secure a cheap one-way flight from $253 or cheap return flight from $296 from Twin Falls Airport (TWF) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Twin Falls Airport (TWF) to Portland Intl. Airport (PDX)?
December is the cheapest month to fly from TWF to PDX. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from Twin Falls Airport (TWF) to Portland Intl. Airport (PDX)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest TWF to PDX flight.
How many flights per day from Twin Falls Airport (TWF) to Portland Intl. Airport (PDX)?
There aren't any daily direct flights available from Twin Falls Airport (TWF) to Portland Intl. Airport (PDX). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from TWF to PDX?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Twin Falls Airport (TWF) to Portland Intl. Airport (PDX)?
To arrive at Portland Intl. Airport (PDX) on time, opt for a flight that takes off from Twin Falls Airport (TWF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Twin Falls Airport (TWF) to Portland Intl. Airport (PDX) last-minute?
Last-minute bookings from TWF to PDX are typically more expensive. To secure the best rates, start looking for flights well ahead of time. That said, if your travel plans are flexible, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book a TWF to PDX flight and hotel package?
Compared with arranging hotels and flights separately, booking a TWF to PDX flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Twin Falls Airport (TWF) to Portland Intl. Airport (PDX)?
In most cases, you can modify or cancel your TWF to PDX flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Twin Falls
Destination airport
Portland Intl.
Airlines serving
Delta
Roundtrip price
$296
Distance
455 mi

Book with confidence

Book with confidence

Twin Falls to Portland Flights

The cheapest times to fly from Twin Falls to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Twin Falls to Portland are during the month of December. You can find some of the cheapest flights from Twin Falls to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Twin Falls to Portland

Sunday is one of the best days to book for cheap flights from Twin Falls to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Twin Falls to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Twin Falls to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $253 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Twin Falls to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Twin Falls to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Twin Falls to Portland Flights

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*Available to One Key members.