Title: $23 Cheap Flights to Southwest Washington - Expedia.com ![Lodging Image](https://a.travel-assets.com/travel-assets-manager/bex-affinities/lodging.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/bex-affinities/lodging.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $23 Cheap Flights to Southwest Washington [View $23 flight on Tue, Apr 14, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:DEN,to:PDX,departure:4/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:22.98&airProductToken=AQoxCi8IxnISBDI1NTMYg2kg77gBKMarigMw8qyKAzhFQABYAWoEUENfMXIHSzIxRVhTMhIKCAEQARgBKgJGORgBIgQIARABKAIoAzAN) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Southwest Washington Travel Guide](https://expedia.com/Southwest-Washington.dx6054433)[Hotels in Southwest Washington](https://expedia.com/Southwest-Washington-Hotels.d6054433.Travel-Guide-Hotels)[Things to do in Southwest Washington](https://expedia.com/Things-To-Do-In-Southwest-Washington.d6054433.Travel-Guide-Activities)[Car Rentals in Southwest Washington](https://expedia.com/Car-Rentals-In-Southwest-Washington.d6054433.Car-Rental-Guide)[Southwest Washington Vacation Packages](https://expedia.com/Southwest-Washington.d6054433.Destination-Travel-Guides) ## Popular airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## How much is the cheapest flight to Southwest Washington? Prices were available within the past 7 days and start at $23 for one-way flights and $46 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Tue, May 5 - Tue, May 19 DEN Denver PDX Portland $46 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DEN,to:PDX,departure:5/5/2026TANYT&leg2=from:PDX,to:DEN,departure:5/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:45.96&airProductToken=AQoxCi8IxnISBDI1NTMYg2kg77gBKOaXjAMwkpmMAzhFQABYAWoEUENfMXIHSzIxRVhTMgoxCi8IxnISBDE3OTAY77gBIINpKIC3jQMwobiNAzhFQABYAWoEUENfMXIHSzIxRVhTMhIKCAEQARgBKgJGORgBIgQIARABKAIoAzAN) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, May 2 - Tue, May 5 DEN Denver PDX Portland $97 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DEN,to:PDX,departure:5/2/2026TANYT&leg2=from:PDX,to:DEN,departure:5/5/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:96.68&airProductToken=AQo5CjcI1YIBEgQxODEyGINpIO-4ASic94sDMIr6iwM4TkAAWAFqCjFfYmFzaWNlY29yCEdBSzJBUUJTEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, Apr 21 - Wed, Apr 29 DEN Denver PDX Portland $137 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DEN,to:PDX,departure:4/21/2026TANYT&leg2=from:PDX,to:DEN,departure:4/29/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:136.80&airProductToken=AQozCjEIwaYBEgM2NzkYg2kg77gBKMP9igMw7P6KAzhYQABYAWoFU0FWRVJyCE9IMlRYVkJOCjMKMQjBpgESAzY4NBjvuAEgg2ko6NKLAzCS1IsDOFhAAFgBagVTQVZFUnIIT0gyVFhWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAN) ![Southwest Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/wn.gif) Wed, Apr 15 - Sat, Apr 18 DEN Denver PDX Portland $137 Roundtrip found 2 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DEN,to:PDX,departure:4/15/2026TANYT&leg2=from:PDX,to:DEN,departure:4/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:136.80&airProductToken=AQoxCi8I15wBEgQ0MDE3GINpIO-4ASjftYoDMP-2igM4VkAAWAFqA1dHQXIHVkROVkgyRQoxCi8I15wBEgQyOTQ0GO-4ASCDaSjM1ooDMOLXigM4VkAAWAFqA1dHQXIHVkROVkgyRRIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Mar 17 - Sat, Apr 11 LAX Los Angeles PDX Portland $139 Roundtrip found 6 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAX,to:PDX,departure:3/17/2026TANYT&leg2=from:PDX,to:LAX,departure:4/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:138.81&airProductToken=AQo1CjMIwYIBEgQ1MDExGIu4ASDvuAEoz_KHAzDo84cDOEJAAFgBagVCQVNJQ3IIT1dGS1VOQlgKNQozCMGCARIENjI5MBjvuAEgi7gBKOyHigMwiomKAzhCQABYAWoFQkFTSUNyCE9XRktVTkJYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ## Alternative airports Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:PDX,departure:2/20/2026TANYT&leg2=from:PDX,to:CMH,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) PDX Portland Intl. Cheapest [Flights from $418 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:PDX,departure:2/20/2026TANYT&leg2=from:PDX,to:CMH,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Tips to find the cheapest flights to Southwest Washington **The cheapest day to fly** Get started finding a cheap flight to Southwest Washington 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** May is the cheapest month to fly to Southwest Washington. 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 Southwest Washington. 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 Southwest Washington, 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 Southwest Washington** The lowest price for round-trip flights to Southwest Washington in 2026 starts from from $46, while one-way tickets start from from $23\. 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 Southwest Washington. If you have a preferred departure time or airline, you can use the handy filters to customize your search. **The cheapest airlines flying to Southwest Washington** Frontier Airlines, Alaska Airlines, United, Southwest Airlines, Delta, American Airlines are just some of the airlines that can typically offer cheap tickets to Southwest Washington. 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 Southwest Washington and countless more destinations worldwide. **The most affordable airports to fly into** To view the cheapest airports to fly into for Southwest Washington, 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 Southwest Washington. 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](https://www.expedia.com/package-deals), you could save hundreds of dollars by booking your Southwest Washington 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 Southwest Washington** 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 Southwest Washington. **Stopover savings** The cheapest tickets to Southwest Washington are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Southwest Washington. 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 Southwest Washington 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 Southwest Washington. Simply download the free Expedia app to your smart device and activate Southwest Washington 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 Southwest Washington. 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 Southwest Washington? ### Which US cities have the cheapest flights to Southwest Washington? ### Which US cities fly direct to Southwest Washington? > - New York > - Washington > - Dallas > - Boston > - Phoenix ### How to find a cheap flight to Southwest Washington? ### How to get a cheap last-minute flight to Southwest Washington? ### How far in advance should I book a flight to Southwest Washington? ### Which day of the week is the cheapest day to buy a plane ticket to Southwest Washington? ### Which airlines fly to Southwest Washington? > - United Airlines - 13,391 flights to Southwest Washington each month, including 13,391 flights to O'Hare Intl. Airport (ORD) per month. > - American Airlines - 10,417 flights to Southwest Washington each month, including 10,417 flights to O'Hare Intl. Airport (ORD) per month. > - Delta Air Lines - 1,213 flights to Southwest Washington each month, including 1,213 flights to O'Hare Intl. Airport (ORD) per month. ### Can I save money by booking a Southwest Washington trip package? ### Can I change or cancel my flight to Southwest Washington? \*Flight schedules are subject to change. __Flights to Southwest Washington information__ | Destination airport | Portland Intl. | | ----------------------------- | -------------- | | Destination airport IATA code | PDX | | Destination city name | Portland | | Roundtrip price | $46 | ## Trending flights to Southwest Washington Prices were available within the past 7 days and start at $23 for one-way flights and $46 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Tue, May 5 - Tue, May 19 DEN Denver PDX Portland $46 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DEN,to:PDX,departure:5/5/2026TANYT&leg2=from:PDX,to:DEN,departure:5/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:45.96&airProductToken=AQoxCi8IxnISBDI1NTMYg2kg77gBKOaXjAMwkpmMAzhFQABYAWoEUENfMXIHSzIxRVhTMgoxCi8IxnISBDE3OTAY77gBIINpKIC3jQMwobiNAzhFQABYAWoEUENfMXIHSzIxRVhTMhIKCAEQARgBKgJGORgBIgQIARABKAIoAzAN) \*Available to One Key members.