$170 Cheap Delta flights Portland (PDX) to Moline (MLI)

View $170 flight on Tue, Aug 26, 2025Opens in a new window

$170 Cheap Delta flights Portland (PDX) to Moline (MLI)

Prices were available within the past 7 days and start at $170 for one-way flights and $297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 26 - Tue, Sep 2
PDX
Portland
MLI
Moline
$297 Roundtrip, found 9 hours ago
$297
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Aug 26 from Portland to Moline, returning Tue, Sep 2, priced at $297 found 9 hours ago
Delta
Tue, Aug 5 - Tue, Aug 12
PDX
Portland
MLI
Moline
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Aug 5 from Portland to Moline, returning Tue, Aug 12, priced at $299 found 2 days ago
Delta
Tue, Aug 26 - Sun, Aug 31
PDX
Portland
MLI
Moline
$300 Roundtrip, found 2 days ago
$300
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Aug 26 from Portland to Moline, returning Sun, Aug 31, priced at $300 found 2 days ago
Delta
Tue, Oct 21 - Tue, Nov 4
PDX
Portland
MLI
Moline
$318 Roundtrip, found 2 days ago
$318
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Oct 21 from Portland to Moline, returning Tue, Nov 4, priced at $318 found 2 days ago
Delta
Tue, Aug 26 - Sun, Aug 31
PDX
Portland
MLI
Moline
$326 Roundtrip, found 1 day ago
$326
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 26 from Portland to Moline, returning Sun, Aug 31, priced at $326 found 1 day ago
Delta
Wed, Aug 13 - Mon, Aug 25
PDX
Portland
MLI
Moline
$331 Roundtrip, found 1 day ago
$331
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 13 from Portland to Moline, returning Mon, Aug 25, priced at $331 found 1 day ago
Flights from Portland (PDX) to Moline (MLI)
Origin airport
Portland Intl.
Destination airport
Quad City Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Popular airline
United
Distance
1621 mi

Frequently asked questions

How much is a Delta Air Lines flight from Portland Intl. Airport (PDX) to Quad City Intl. Airport (MLI)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines return flights from $297 from PDX to MLI. Affordable one-way fares from $170 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PDX to MLI with Delta Air Lines?
Delta Air Lines flights to Moline are often more affordable in the quieter months of January and February. Whether you're in search of a round-trip or one-way ticket, you could find a better deal then.
What is the cheapest time to book flights from Portland Intl. Airport (PDX) to Quad City Intl. Airport (MLI) with Delta Air Lines?
For cheap Delta Air Lines fares from Portland Intl. Airport (PDX) to Quad City Intl. Airport (MLI), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence what you pay. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Portland Intl. Airport (PDX) to Quad City Intl. Airport (MLI)?
To figure out if there's a direct trip from PDX to MLI with Delta Air Lines or another airline, use our "Nonstop" filter when looking for tickets.
What is the earliest Delta Air Lines flight from PDX to MLI?
Search Delta Air Lines's earliest flights from PDX to MLI by selecting our "Early Morning" and "Morning" filters. Not only will you get to where you're going sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Moline?
Catch a Delta Air Lines flight from Portland Intl. Airport (PDX) to Moline, and you'll probably land at Quad City Intl. Airport (MLI). This is the airline's primary hub in this city.
Why fly with Delta Air Lines from PDX to MLI?
Traveling from PDX to MLI with Delta Air Lines means enjoying a range of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Portland Intl. Airport (PDX) to Quad City Intl. Airport (MLI)?
Typically, you can change or cancel your flight, although there may be additional charges if you booked more than 24 hours ago. Want to keep your options open? Make use of Expedia's "Changes included" or "No cancel fee" filter to find flights that won't charge you extra if you need to alter your plans. To make modifications, head to "Trips," select your flight and click on "Manage Booking" for more details.

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*Available to One Key members.