$186 Cheap Flights from Pasco (PSC) to Des Moines (DSM)

View $186 flight on Sat, Oct 3, 2026Opens in a new window

Popular airlines from Tri-Cities Airport (PSC) to Des Moines International Airport (DSM)

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Cheap Flights from Pasco to Des Moines (PSC-DSM)

Prices were available within the past 7 days and start at $186 for one-way flights and $330 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, May 29 - Tue, Jun 2
PSC
Pasco
DSM
Des Moines
$330 Roundtrip, found 5 days ago
$330
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, May 29 from Pasco to Des Moines, returning Tue, Jun 2, priced at $330 found 5 days ago
United
Tue, Aug 18 - Tue, Aug 25
PSC
Pasco
DSM
Des Moines
$336 Roundtrip, found 2 days ago
$336
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 18 from Pasco to Des Moines, returning Tue, Aug 25, priced at $336 found 2 days ago
Delta
Tue, Aug 18 - Tue, Aug 25
PSC
Pasco
DSM
Des Moines
$342 Roundtrip, found 2 days ago
$342
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Aug 18 from Pasco to Des Moines, returning Tue, Aug 25, priced at $342 found 2 days ago
United
Sat, Apr 18 - Wed, Apr 22
PSC
Pasco
DSM
Des Moines
$345 Roundtrip, found 2 days ago
$345
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 18 from Pasco to Des Moines, returning Wed, Apr 22, priced at $345 found 2 days ago
Delta
Tue, Apr 14 - Sat, Apr 18
PSC
Pasco
DSM
Des Moines
$349 Roundtrip, found 10 hours ago
$349
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Apr 14 from Pasco to Des Moines, returning Sat, Apr 18, priced at $349 found 10 hours ago
United
Tue, Aug 18 - Tue, Aug 25
PSC
Pasco
DSM
Des Moines
$371 Roundtrip, found 2 days ago
$371
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 18 from Pasco to Des Moines, returning Tue, Aug 25, priced at $371 found 2 days ago
American Airlines
Tue, Aug 18 - Tue, Aug 25
PSC
Pasco
DSM
Des Moines
$386 Roundtrip, found 2 days ago
$386
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 18 from Pasco to Des Moines, returning Tue, Aug 25, priced at $386 found 2 days ago
Delta
Sat, Apr 18 - Wed, Apr 22
PSC
Pasco
DSM
Des Moines
$395 Roundtrip, found 2 days ago
$395
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Apr 18 from Pasco to Des Moines, returning Wed, Apr 22, priced at $395 found 2 days ago
Delta
Sat, Mar 28 - Sat, Apr 4
PSC
Pasco
DSM
Des Moines
$399 Roundtrip, found 2 days ago
$399
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Mar 28 from Pasco to Des Moines, returning Sat, Apr 4, priced at $399 found 2 days ago
Alaska Airlines
Fri, Sep 25 - Mon, Sep 28
PSC
Pasco
DSM
Des Moines
$529 Roundtrip, found 4 days ago
$529
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Sep 25 from Pasco to Des Moines, returning Mon, Sep 28, priced at $529 found 4 days ago

Find the cheapest month to fly from Pasco (PSC) to Des Moines (DSM)

May is typically the cheapest month to fly

From $253 - $729 per traveler.

Frequently asked questions

How much does a flight from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.) cost?
You can find cheap one-way flights from $186 and cheap return flights from $330 Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.) with Expedia. One-way flights typically cost between $195 and $886, and return flights often range between $423 and $1693. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.)?
January is the cheapest month to fly from Pasco, WA (PSC) to Des Moines, IA (DSM), with average return fares around $338. This is about 35% lower than the average price throughout the year, as January typically sees a drop in travel demand after the holiday season. Other cheap months to fly from Pasco to Des Moines include May and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.)?
Enter PSC to DSM and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Pasco (PSC) to Des Moines (DSM) with a layover in Sky Harbor Intl. (PHX), starting from around $849 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.)?
To find a cheap flight from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.)?
For flights from Pasco to Des Moines, January and May are the best months to travel, with average return flight prices around $338. These months provide a balance of affordability and flight availability, ensuring a smoother travel experience.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.)?
The earliest flight from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.) usually departs at around 5:00 AM, operated by American Airlines. This is a seasonal service active in January and December, and an early departure allows you to make the most of your time in Des Moines. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.)?
The most popular departure times for flights from Pasco (PSC) to Des Moines (DSM) are in the early morning, from 6am to 9am. About 44% of passengers prefer this time window. Major carriers like Delta, United, and Alaska Airlines offer flights during this window. This timing works well because it allows you to arrive in Des Moines with a full day ahead of you.
How long does it take to fly from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.)?
A flight from PSC to DSM with a layover takes around 5 hours 50 minutes, with the route covering approximately 1,303 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.)?
You can fly first class between PSC and DSM. First class cabins are available on:

  • United Airlines
  • Delta Air Lines
  • American Airlines

How do I earn miles on a Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.) flight with Expedia?
It's easy to earn miles on a Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Des Moines from Tri-Cities (PSC)?
If you're planning to travel to Des Moines from Tri-Cities (PSC), you can fly into Des Moines Intl. (DSM) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), San Francisco Intl. (SFO), Denver Intl. (DEN) before reaching Des Moines. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.) at the last minute?
Typically, booking a last minute flight from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.) flight and hotel package?
Securing a Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.) Des Moines Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.)?
If you booked your Pasco, WA (PSC-Tri-Cities) to Des Moines, IA (DSM-Des Moines Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Tri-Cities
Destination airport
Des Moines Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$330
Distance
1303 mi

Book with confidence

Pasco to Des Moines Flights

The cheapest times to fly from Pasco to Des Moines

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 Pasco to Des Moines are during the month of May. You can find some of the cheapest flights from Pasco to Des Moines with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pasco to Des Moines

Sunday is one of the best days to book for cheap flights from Pasco to Des Moines: 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 Pasco to Des Moines

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 Pasco to Des Moines in 2026. You can also book with separate airlines for your outbound and return journeys, from $186 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 Pasco to Des Moines 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 Pasco to Des Moines 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.

 

Pasco to Des Moines Flights

*Flight schedules are subject to change.

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*Available to One Key members.