$401 Cheap Flights from Pasco (PSC) to Veterans Airport of Southern Illinois (MWA)

View $401 flight on Wed, Apr 29, 2026Opens in a new window

Popular airlines from Tri-Cities Airport (PSC) to Veterans Airport of Southern Illinois (MWA)

Cheap Flights from Pasco to Veterans Airport of Southern Illinois (PSC-MWA)

Prices were available within the past 7 days and start at $401 for one-way flights and $670 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Apr 29 - Wed, May 6
PSC
Pasco
MWA
Marion
$670 Roundtrip, found 2 days ago
$670
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Apr 29 from Pasco to Marion, returning Wed, May 6, priced at $670 found 2 days ago
Alaska Airlines
Wed, Apr 29 - Wed, May 6
PSC
Pasco
MWA
Marion
$676 Roundtrip, found 2 days ago
$676
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Apr 29 from Pasco to Marion, returning Wed, May 6, priced at $676 found 2 days ago
American Airlines
Wed, Apr 29 - Wed, May 6
PSC
Pasco
MWA
Marion
$695 Roundtrip, found 2 days ago
$695
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Apr 29 from Pasco to Marion, returning Wed, May 6, priced at $695 found 2 days ago
Alaska Airlines
Thu, Apr 30 - Wed, May 6
PSC
Pasco
MWA
Marion
$697 Roundtrip, found 2 days ago
$697
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Apr 30 from Pasco to Marion, returning Wed, May 6, priced at $697 found 2 days ago
Alaska Airlines
Wed, Apr 29 - Wed, May 6
PSC
Pasco
MWA
Marion
$778 Roundtrip, found 2 days ago
$778
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Apr 29 from Pasco to Marion, returning Wed, May 6, priced at $778 found 2 days ago
Alaska Airlines
Thu, Apr 30 - Wed, May 6
PSC
Pasco
MWA
Marion
$799 Roundtrip, found 2 days ago
$799
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Apr 30 from Pasco to Marion, returning Wed, May 6, priced at $799 found 2 days ago
Alaska Airlines
Thu, Apr 30 - Thu, May 7
PSC
Pasco
MWA
Marion
$836 Roundtrip, found 2 days ago
$836
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Apr 30 from Pasco to Marion, returning Thu, May 7, priced at $836 found 2 days ago
Alaska Airlines
Thu, Apr 30 - Wed, May 6
PSC
Pasco
MWA
Marion
$841 Roundtrip, found 2 days ago
$841
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Apr 30 from Pasco to Marion, returning Wed, May 6, priced at $841 found 2 days ago
Alaska Airlines
Thu, Apr 30 - Thu, May 7
PSC
Pasco
MWA
Marion
$848 Roundtrip, found 2 days ago
$848
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Apr 30 from Pasco to Marion, returning Thu, May 7, priced at $848 found 2 days ago
United
Wed, Apr 29 - Wed, May 6
PSC
Pasco
MWA
Marion
$852 Roundtrip, found 2 days ago
$852
Roundtrip
found 2 days ago
Select United flight, departing Wed, Apr 29 from Pasco to Marion, returning Wed, May 6, priced at $852 found 2 days ago

Alternative airports near Marion

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Williamson County Regional MWA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $697
MWA
Williamson County Regional
CheapestClosest
Average driving time to city center8 min
Flights from $697

Frequently asked questions

How much does a flight from Pasco, WA (PSC-Tri-Cities) to Marion, IL (MWA-Williamson County Regional) cost?
You can find cheap one-way flights from $401 and cheap return flights from $670 PSC to MWA with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when PSC to MWA ticket fares go up or down.
What is the cheapest month to fly from Pasco, WA (PSC-Tri-Cities) to Marion, IL (MWA-Williamson County Regional)?
The cheapest month to fly from PSC to MWA is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Pasco, WA (PSC-Tri-Cities) to Marion, IL (MWA-Williamson County Regional)?
Enter PSC to MWA 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 Marion, IL (MWA-Williamson County Regional)?
United, American Airlines and Alaska Airlines are just some of the carriers that fly from Pasco, WA (PSC-Tri-Cities) to Marion, IL (MWA-Williamson County Regional). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. 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 Marion, IL (MWA-Williamson County Regional)?
To find a cheap flight from Pasco, WA (PSC-Tri-Cities) to Marion, IL (MWA-Williamson County Regional), 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 Marion, IL (MWA-Williamson County Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Pasco, WA (PSC-Tri-Cities) to Marion, IL (MWA-Williamson County Regional)?
The earliest flight from Tri-Cities (PSC) to Williamson County Regional (MWA) typically departs at around 1:40 PM, operated by United Airlines and Contour Airlines. This seasonal service is available in March, allowing you to plan your afternoon in Marion. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Pasco, WA (PSC-Tri-Cities) to Marion, IL (MWA-Williamson County Regional)?
A flight from PSC to MWA with a layover takes around 11 hours, with the route covering approximately 1,642 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 Marion, IL (MWA-Williamson County Regional)?
Select the "Business class" and "First class" filters when looking for PSC to MWA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Pasco, WA (PSC-Tri-Cities) to Marion, IL (MWA-Williamson County Regional) flight with Expedia?
It's easy to earn miles on a Pasco, WA (PSC-Tri-Cities) to Marion, IL (MWA-Williamson County Regional) 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 Marion from Tri-Cities (PSC)?
From Tri-Cities (PSC), you can fly typically into Williamson County Regional (MWA) to reach Marion. Some flights may connect through major hubs like San Francisco Intl. (SFO), Sky Harbor Intl. (PHX) before reaching Marion. 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 Marion, IL (MWA-Williamson County Regional) at the last minute?
Typically, booking a last minute flight from Pasco, WA (PSC-Tri-Cities) to Marion, IL (MWA-Williamson County Regional) 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 Marion, IL (MWA-Williamson County Regional) flight and hotel package?
Securing a Pasco, WA (PSC-Tri-Cities) to Marion, IL (MWA-Williamson County Regional) flight and hotel package 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 Marion, IL (MWA-Williamson County Regional)?
If you booked your Pasco, WA (PSC-Tri-Cities) to Marion, IL (MWA-Williamson County Regional) 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
Veterans Airport of Southern Illinois
Roundtrip price
$670
Distance
1641 mi

*Flight schedules are subject to change.

*Available to One Key members.