$43 Cheap Flights to Cascade Locks, OR

View $43 flight on Tue, Jul 29, 2025Opens in a new window

Popular airlines to Cascade Locks

How much is the cheapest flight to Cascade Locks?

Prices were available within the past 7 days and start at $43 for one-way flights and $83 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Sep 25 - Thu, Oct 2
LAX
Los Angeles
PDX
Portland
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 25 from Los Angeles to Portland, returning Thu, Oct 2, priced at $88 just found
Spirit Airlines
Thu, Sep 18 - Thu, Sep 25
LAS
Las Vegas
PDX
Portland
$94 Roundtrip, just found
$94
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Sep 18 from Las Vegas to Portland, returning Thu, Sep 25, priced at $94 just found
United
Mon, Oct 6 - Tue, Oct 7
SFO
San Francisco
PDX
Portland
$137 Roundtrip, just found
$137
Roundtrip
just found
Select United flight, departing Mon, Oct 6 from San Francisco to Portland, returning Tue, Oct 7, priced at $137 just found
American Airlines
Tue, Aug 5 - Wed, Aug 6
LAX
Los Angeles
PDX
Portland
$139 Roundtrip, found 2 hours ago
$139
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Aug 5 from Los Angeles to Portland, returning Wed, Aug 6, priced at $139 found 2 hours ago
Southwest Airlines
Sat, Aug 2 - Wed, Aug 6
LAX
Los Angeles
PDX
Portland
$154 Roundtrip, just found
$154
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Aug 2 from Los Angeles to Portland, returning Wed, Aug 6, priced at $154 just found

Find the cheapest month to fly from Columbus (CMH) to Portland (PDX)

February is typically the cheapest month to fly

From $131 - $409 per traveler.

Graph displaying average flight prices per month

Tips to find the cheapest flights to Cascade Locks

The cheapest day to fly

Get started finding a cheap flight to Cascade Locks on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

September is the cheapest month to fly to Cascade Locks. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Cascade Locks. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Cascade Locks, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Cascade Locks

The lowest price for round-trip flights to Cascade Locks in 2025 starts from from $83, while one-way tickets start from from $43. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Cascade Locks. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Cascade Locks

Spirit Airlines, Frontier Airlines, Sun Country Airlines, United, American Airlines, Southwest Airlines are just some of the airlines that can typically offer cheap tickets to Cascade Locks. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Cascade Locks and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Cascade Locks, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Cascade Locks. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Cascade Locks plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Cascade Locks

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Cascade Locks.

Stopover savings

The cheapest tickets to Cascade Locks are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Cascade Locks. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Cascade Locks for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Cascade Locks. Simply download the free Expedia app to your smart device and activate Cascade Locks flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Cascade Locks. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

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

Frequently asked questions

What month is the cheapest to fly to Cascade Locks?
November is generally the cheapest month for flights to Cascade Locks*. Check for affordable flights during this time as you may be able to bag a bargain. *Cheapest month to fly is based on the month with the cheapest flight found on Expedia.com in the next 330 days.
Which US cities have the cheapest flights to Cascade Locks?
Seattle, Phoenix and Los Angeles typically offer cheap flights to Cascade Locks. Remember that prices vary based on factors like time of year, demand and number of stopovers.
Which US cities fly direct to Cascade Locks?
Take your pick of 44 US cities with direct flights to Cascade Locks. When booking on Expedia, check "Direct flights only" to compare nonstop itineraries. Fly to Cascade Locks from any of these major cities:

  • Seattle
  • Phoenix
  • Los Angeles
  • Denver
  • San Francisco

How to find a cheap flight to Cascade Locks?
Book in advance for the best chance of scoring cheap flights to Cascade Locks. Also, consider visiting during off-peak months like January and February. If you fly on a Thursday, you'll save 16% on average compared to departing on a Sunday.* Save time checking every day and track your flight prices using the Expedia app. We'll let you know when fares change.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Cascade Locks?
You can find great deals on last-minute flights to Cascade Locks, especially if your plans aren't set in stone. Think about departing from a different airport, changing your dates or selecting another airline to get a cheap flight to Cascade Locks.
How far in advance should I book a flight to Cascade Locks?
To pick up some of the biggest savings on domestic journeys, book your flight to Cascade Locks 28 days ahead of your travel dates. For international flights, it's between two and four months in advance. This boosts your chances of securing your preferred departure dates and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Cascade Locks?
Sundays are generally the best day to book a cheap flight to Cascade Locks, with savings of about 8% on average compared to a Friday. If you choose to purchase tickets on a Friday, expect to spend more as this is often the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Cascade Locks?
Cascade Locks is accessible from 57 airports globally through 15 airlines, with Portland Intl. Airport (PDX) as its primary gateway. Consider these popular airlines to Cascade Locks when organizing your journey:

  • Alaska Airlines
  • Delta Air Lines
  • American Airlines
  • United Airlines

Where do you fly into Cascade Locks?
Portland Intl. Airport (PDX) is the main airport for travelers flying to Cascade Locks. Or you could touch down at Portland - Troutdale Airport (TTD). Compare fares between the two airports to find the easiest or cheapest way to fly to Cascade Locks.
How far is the airport from central Cascade Locks?
You'll be around 35 mi west of central Cascade Locks after landing at Portland Intl. Airport (PDX).
Can I save money by booking a Cascade Locks trip package?
Bundle your accommodations and flights and you could save hundreds of dollars. Better still, you can add extras like car rentals and tours to your Cascade Locks flight and hotel package deal. With Expedia, it's a breeze to look after all your Cascade Locks travel plans in one place.
Can I change or cancel my flight to Cascade Locks?
You can usually change or cancel your flight to Cascade Locks within 24 hours of booking. However, be mindful that some fares are non-refundable. In those cases, you may receive credit for a future flight instead of a direct refund. It's important to check the airline's rules and restrictions in your itinerary for exact details. Use Expedia's "No cancel fee" or "Changes included" filters during your search to secure cheap flights to Cascade Locks with flexible change policies. For additional information, head to our Customer Service Portal.
Flights to Cascade Locks information
Destination airport
Portland Intl.
Destination airport IATA code
PDX
Destination city name
Portland
Roundtrip price
$82

Trending flights to Cascade Locks

Prices were available within the past 7 days and start at $43 for one-way flights and $83 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Aug 21 - Thu, Aug 21
LAX
Los Angeles
PDX
Portland
$83 Roundtrip, just found
$83
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Aug 21 from Los Angeles to Portland, returning Thu, Aug 21, priced at $83 just found

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*Available to One Key members.