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CA $345 Cheap Flights from Seattle (SEA) to Moline (MLI)

View CA $345 flight on Fri, Aug 7, 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 $345 for one-way flights and CA $496 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Aug 6 - Sun, Aug 9
SEA
Seattle
MLI
Moline
CA $496 Roundtrip, found 4 days ago
CA $496
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Aug 6 from Seattle to Moline, returning Sun, Aug 9, priced at CA $496 found 4 days ago
Delta
Thu, Aug 6 - Mon, Aug 10
SEA
Seattle
MLI
Moline
CA $545 Roundtrip, found 4 days ago
CA $545
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Aug 6 from Seattle to Moline, returning Mon, Aug 10, priced at CA $545 found 4 days ago
Delta
Tue, Aug 4 - Sun, Aug 9
SEA
Seattle
MLI
Moline
CA $588 Roundtrip, found 4 days ago
CA $588
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Aug 4 from Seattle to Moline, returning Sun, Aug 9, priced at CA $588 found 4 days ago
Delta
Wed, Aug 26 - Thu, Sep 3
SEA
Seattle
MLI
Moline
CA $596 Roundtrip, found 5 days ago
CA $596
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 26 from Seattle to Moline, returning Thu, Sep 3, priced at CA $596 found 5 days ago
American Airlines
Fri, Aug 28 - Tue, Sep 1
SEA
Seattle
MLI
Moline
CA $638 Roundtrip, found 5 days ago
CA $638
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Aug 28 from Seattle to Moline, returning Tue, Sep 1, priced at CA $638 found 5 days ago
United
Wed, Jul 29 - Sun, Aug 16
SEA
Seattle
MLI
Moline
CA $638 Roundtrip, found 6 days ago
CA $638
Roundtrip
found 6 days ago
Select United flight, departing Wed, Jul 29 from Seattle to Moline, returning Sun, Aug 16, priced at CA $638 found 6 days ago
American Airlines
Fri, Aug 7 - Mon, Aug 10
SEA
Seattle
MLI
Moline
CA $663 Roundtrip, found 4 days ago
CA $663
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Aug 7 from Seattle to Moline, returning Mon, Aug 10, priced at CA $663 found 4 days ago
Delta
Thu, Aug 6 - Sat, Aug 8
SEA
Seattle
MLI
Moline
CA $665 Roundtrip, found 4 days ago
CA $665
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Aug 6 from Seattle to Moline, returning Sat, Aug 8, priced at CA $665 found 4 days ago
Delta
Fri, Aug 7 - Mon, Aug 10
SEA
Seattle
MLI
Moline
CA $687 Roundtrip, found 4 days ago
CA $687
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Aug 7 from Seattle to Moline, returning Mon, Aug 10, priced at CA $687 found 4 days ago
Alaska Airlines
Sat, Jul 25 - Tue, Aug 11
SEA
Seattle
MLI
Moline
CA $1,160 Roundtrip, found 6 days ago
CA $1,160
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jul 25 from Seattle to Moline, returning Tue, Aug 11, priced at CA $1,160 found 6 days ago

Alternative airports near Moline

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

Select flight to Quad City Intl. MLI. Cheapest and Closest option available. Average driving time to city centre is 5 minutes. Flights from CA $767
MLI
Quad City Intl.
CheapestClosest
Average driving time to city centre5 min
Flights from CA $767

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.) cost?
You can find one-way and return flights from SEA to MLI 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 SEA to MLI ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
If you're looking for the cheapest time to fly from Seattle - Tacoma Intl. (SEA) to Quad City Intl. (MLI), February is typically your best bet! You can expect average return flights to be around CA$589. February often sees lower prices because it falls outside of peak holiday travel, when demand tends to drop. Other budget-friendly months to consider for this route include September and October.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
Enter SEA to MLI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
United is one of the cheapest airlines offering connecting return flights from Seattle - Tacoma Intl. (SEA) to Quad City Intl. (MLI), with prices starting from around CA$426 for flights that can be booked for departure within the next year. These flights typically include a layover in Denver Intl. (DEN). All prices are per adult for economy/coach class. 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.
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 International Airport (SEA) to Quad City International Airport (MLI) is typically February or October. These months offer a great balance, with average return flight prices around CA$589. While these are the cheapest months, they also tend to be popular times for travel, meaning you'll likely find plenty of flight options to fit your schedule. If you're flexible, these months give you both affordable fares and excellent flight schedules to work with.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
There are no direct flights from Seattle - Tacoma Intl. (SEA) to Moline, IL (MLI). However, you'll find approximately 43 connecting flights per day. 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 around 12:05 AM local time. This flight is operated by American Airlines and is a seasonal service, active only in February. 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 find the most flights from Seattle - Tacoma Intl. (SEA) to Quad City Intl. (MLI) on Fridays, with around 37 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Alaska Airlines, and American Airlines. Fridays offer notably more flight options compared to other days of the week, so you have more flexibility in choosing a departure time that suits you.
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 morning, from 6am to 9am. Many major carriers, including United, American Airlines and Delta, offer flights during this window. Many travellers prefer these times because it allows for an early start to their journey, getting you to your destination with plenty of time left in the day.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
There are no nonstop flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.). The distance between these two airports is approximately 2591 kilometres. Flights with one stop typically take around 8 hours 30 minutes. If you opt for flights with two or more stops, your travel time will be longer, usually around 10 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Moline, IL (MLI-Quad City Intl.)?
You can fly business class or first class between SEA and MLI. Airlines that offer business class service on this route include:
  • Alaska Airlines
  • Delta
  • United
  • American Airlines
First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.
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, IL (MLI) from Seattle, WA (SEA)?
If you're planning to travel to Moline from Seattle - Tacoma Intl. (SEA), you can fly directly into Quad City Intl. (MLI). Some flights may connect through major hubs like Denver Intl. (DEN), San Francisco Intl. (SFO), or 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.
Roundtrip price
CA $495
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 $496 rising to CA $1,160.  

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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