CA $358 Cheap Flights from Seattle (SEA) to Moline (MLI)

View CA $358 flight on Thu, Sep 10, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Quad City Intl. Airport (MLI)

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Cheap flights from Seattle (SEA) to Moline (MLI)

Prices were available within the past 7 days and start at CA $358 for one-way flights and CA $489 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Aug 20 - Wed, Sep 9
SEA
Seattle
MLI
Moline
CA $489 Roundtrip, found 5 days ago
CA $489
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 20 from Seattle to Moline, returning Wed, Sep 9, priced at CA $489 found 5 days ago
Delta
Fri, Aug 21 - Mon, Aug 24
SEA
Seattle
MLI
Moline
CA $520 Roundtrip, found 15 hours ago
CA $520
Roundtrip
found 15 hours ago
Select Delta flight, departing Fri, Aug 21 from Seattle to Moline, returning Mon, Aug 24, priced at CA $520 found 15 hours ago
Delta
Fri, Jul 3 - Wed, Jul 22
SEA
Seattle
MLI
Moline
CA $530 Roundtrip, found 5 days ago
CA $530
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Jul 3 from Seattle to Moline, returning Wed, Jul 22, priced at CA $530 found 5 days ago
Delta
Fri, Aug 21 - Mon, Aug 24
SEA
Seattle
MLI
Moline
CA $554 Roundtrip, found 15 hours ago
CA $554
Roundtrip
found 15 hours ago
Select Delta flight, departing Fri, Aug 21 from Seattle to Moline, returning Mon, Aug 24, priced at CA $554 found 15 hours ago
Delta
Thu, Aug 20 - Sun, Sep 6
SEA
Seattle
MLI
Moline
CA $571 Roundtrip, found 5 days ago
CA $571
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 20 from Seattle to Moline, returning Sun, Sep 6, priced at CA $571 found 5 days ago
American Airlines
Fri, Aug 21 - Mon, Aug 24
SEA
Seattle
MLI
Moline
CA $605 Roundtrip, found 15 hours ago
CA $605
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Fri, Aug 21 from Seattle to Moline, returning Mon, Aug 24, priced at CA $605 found 15 hours ago
American Airlines
Thu, Sep 10 - Sun, Sep 13
SEA
Seattle
MLI
Moline
CA $609 Roundtrip, found 4 days ago
CA $609
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Sep 10 from Seattle to Moline, returning Sun, Sep 13, priced at CA $609 found 4 days ago
Delta
Thu, Jul 2 - Wed, Jul 22
SEA
Seattle
MLI
Moline
CA $612 Roundtrip, found 5 days ago
CA $612
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Jul 2 from Seattle to Moline, returning Wed, Jul 22, priced at CA $612 found 5 days ago
Alaska Airlines
Tue, Sep 1 - Thu, Sep 17
SEA
Seattle
MLI
Moline
CA $626 Roundtrip, found 5 days ago
CA $626
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Sep 1 from Seattle to Moline, returning Thu, Sep 17, priced at CA $626 found 5 days ago
United
Mon, Aug 31 - Fri, Sep 18
SEA
Seattle
MLI
Moline
CA $626 Roundtrip, found 5 days ago
CA $626
Roundtrip
found 5 days ago
Select United flight, departing Mon, Aug 31 from Seattle to Moline, returning Fri, Sep 18, priced at CA $626 found 5 days ago

Frequently asked questions

What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
February is typically the cheapest month to fly from Seattle - Tacoma Intl. (SEA) to Quad City Intl. (MLI), with average round-trip fares of approximately 1031 CAD. This is about 19% lower than the average price throughout the year. February often sees lower prices as it's outside of peak holiday travel seasons, leading to reduced demand. Other cheap months to fly from Seattle - Tacoma Intl. (SEA) to Quad City Intl. (MLI) include September and October.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
The best time to fly from Seattle - Tacoma Intl. (SEA) to Quad City Intl. (MLI) for a good deal is typically February or October. Based on booking data from the past year, you can expect average round-trip flight prices around 1031 CAD during these months. While these might not be the peak travel times, flying during these periods can help you find more budget-friendly options.*Prices based on flights available on Expedia in the last year.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
There are approximately 41 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Quad City Intl. (MLI). Some common connection points include O'Hare Intl. (ORD), Denver Intl. (DEN), and San Diego Intl. (SAN).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Quad City Intl. (MLI) typically departs at approximately 12:05 AM local time. This is a seasonal service active in February, operated by American Airlines. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to Quad City Intl. (MLI) on a Friday, with around 33 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and Alaska Airlines. Compared to other days, Friday offers notably more flight options.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Quad City Intl. (MLI) are in the early morning, from 6am to 9am. About 33% of passengers prefer this time window. Many major carriers, including United Airlines, American Airlines and Delta Air Lines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive at your destination with plenty of time left.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
A flight from SEA to MLI with a layover takes around 8 hours 30 minutes, with the route covering approximately 1,610 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
Select the "Business class" and "First class" filters when looking for SEA to MLI 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City 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 Moline from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Moline from Seattle - Tacoma Intl. (SEA), you can fly into Quad City Intl. (MLI) Some flights may connect through major hubs like Denver Intl. (DEN), San Francisco Intl. (SFO), Portland Intl. (PDX) before reaching Moline. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.) 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City 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
Seattle - Tacoma Intl.
Destination airport
Quad City Intl.
Airlines serving
Alaska Airlines
Roundtrip price
CA $489
Distance
2575 km

Book with confidence

Seattle to Moline Flights

The easy way to book your flights from Seattle to Moline 

With Expedia, it’s simple to find and book flights to Moline from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Quad City Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Moline today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Quad City Intl., MLI 

Sort your search results by price to find great deals on your flight from Seattle to Moline—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Moline from Seattle currently is just CA $489 rising to CA $626.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Moline  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Moline from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Moline with Expedia today.

Seattle to Moline Flights

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