Title: CA $476 Cheap Flights from Moline (MLI) to Seattle (SEA) - Expedia.ca ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $476 Cheap Flights from Moline (MLI) to Seattle (SEA) [View CA $476 flight on Wed, May 20, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:MLI,to:SEA,departure:20/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:475.90&airProductToken=AQptCjUIxJgBEgQ0OTU4GOxCIOBcKOjCjQMw4cONAzhFQABYAWoJTUFJTkJBU0lDcghLQVdOSDNCUQo0CMSYARIDOTAzGOBcIJIBKL_EjQMwiseNAzhFQAFYAWoJTUFJTkJBU0lDcghLQVdOSDNCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Quad City Intl. Airport (MLI) to Seattle-Tacoma International Airport (SEA) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:mli,to:sea,departure:02/11/2025TANYT&leg2=from:sea,to:mli,departure:09/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:mli,to:sea,departure:02/11/2025TANYT&leg2=from:sea,to:mli,departure:09/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:mli,to:sea,departure:02/11/2025TANYT&leg2=from:sea,to:mli,departure:09/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:mli,to:sea,departure:02/11/2025TANYT&leg2=from:sea,to:mli,departure:09/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Moline (MLI) to Seattle (SEA) Prices were available within the past 7 days and start at CA $476 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ## Find the cheapest month to fly from Moline (MLI) to Seattle (SEA) ### February is typically the cheapest month to fly From CA $360 - CA $1,042 per traveller. ## Frequently asked questions ### How much is a flight from MLI to SEA? > Pack your bags, because round-trip journeys between Quad City Intl. Airport and Sea-Tac Airport start from . That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Quad City Intl. Airport (MLI) to SEA? > Most flights can be conveniently cancelled online, but whether you incur a fee differs between airlines. If you do need to cancel your getaway, follow the easy instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Quad City Intl. Airport (MLI) to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies? > Use our "No change fees" filter to find flexible ticketing options for your flight from Quad City Intl. Airport to SEA. This allows you to secure a fantastic price in advance and still have the freedom to reschedule without any extra fees. You'll just need to pay the fare difference, if applicable. ### How many hours is the flight from MLI to Sea-Tac Airport? > It takes about 6 hours and 49 minutes to get from Quad City Intl. Airport (MLI) to Sea-Tac Airport. But with some movies and a magazine or two, the hours will go by quicker. ### How far is the flight from Quad City Intl. Airport to Sea-Tac Airport? > The flying distance between Quad City Intl. Airport (MLI) (MLI) and Seattle - Tacoma Intl. Airport (SEA) (SEA) is 2,600 kilometres. Squeeze in a nap or bury your nose in a book and the trip will zip by. ### Which airlines fly direct from Quad City Intl. Airport (MLI) to SEA? > At the moment, no airlines offer direct flights from MLI to SEA. You'll have to book a flight with one or more stops. To get the best connections and price, lock in your fare ahead of time. ### Are MLI to SEA flight tickets cheaper when they're purchased at the last minute? > Last-minute bookings from Quad City Intl. Airport to SEA can be hit-or-miss. It is possible to score a bargain, but you could also completely miss out! If you'd prefer to play it safe and start your travel planning early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines issue their prices that far in advance. Our top tip? Check back often as prices are updated regularly. ## Travel information | Origin airport | Quad City Intl. | | --- | --- | | Destination airport | Seattle - Tacoma Intl. | | Distance | 2575 km | ## Book with confidence ### Moline to Seattle Flights **The easy way to book your flights from Moline to Seattle**  With Expedia, it’s simple to find and book flights to Seattle from Moline whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 2 airlines that cover this route. There are nonstop flights to Seattle - Tacoma 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 Moline to Seattle today, tomorrow, or this week.   **Save dollars with cheap flights from Quad City Intl., MLI to Seattle - Tacoma Intl., SEA**  Sort your search results by price to find great deals on your flight from Moline to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Moline currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Seattle   - 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 Seattle from Moline**  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. 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