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$113+ Cheap flights from Moline to Seattle (MLI - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — SEA
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Moline Quad-City to Seattle/Tacoma Intl are usually found in February or April, booked 78 days in advance, depart on a Sunday or Tuesday and return on a Saturday

Find flight deals from Moline to Seattle

Cheapest flights from Moline to Seattle
Explore the most affordable flight options available from Moline to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:37 pmMLI - SEA
1 stop7h 39mAmerican Airlines
Mon 11/2412:59 amSEA - MLI
1 stop6h 19mAmerican Airlines
Deal found 10/25$314
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:40 pmMLI - SEA
1 stop6h 48mUnited Airlines
Wed 12/247:12 pmSEA - MLI
2 stops13h 00mUnited Airlines
Deal found 10/25$319
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amMLI - SEA
1 stop9h 54mAmerican Airlines
Mon 11/242:46 pmSEA - MLI
1 stop6h 54mAmerican Airlines
Deal found 10/26$344
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:00 pmMLI - SEA
1 stop7h 52mUnited Airlines
Thu 11/1311:30 pmSEA - MLI
1 stop8h 45mUnited Airlines
Deal found 10/26$384
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:00 pmMLI - SEA
1 stop7h 52mUnited Airlines
Mon 11/108:00 amSEA - MLI
2 stops11h 17mUnited Airlines
Deal found 10/24$389
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:32 pmMLI - SEA
1 stop7h 55mAmerican Airlines
Sat 11/82:46 pmSEA - MLI
1 stop7h 09mAmerican Airlines
Deal found 10/24$419
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:50 amMLI - SEA
2 stops9h 35mUnited Airlines
Sat 11/811:30 pmSEA - MLI
1 stop8h 45mUnited Airlines
Deal found 10/24$424
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:24 pmMLI - SEA
1 stop27h 27mMultiple Airlines
Tue 12/306:00 amSEA - MLI
2 stops26h 21mMultiple Airlines
Deal found 10/26$426

Cheap flight deals from Moline to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Moline (MLI) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(American Airlines)

One-way from

$113
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$403
Provider with most accurate pricing for Moline Quad-City-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Moline Quad-City-Seattle/Tacoma Intl flights.
Search Deals
From Moline Quad-City to Seattle/Tacoma Intl
Search Deals
One-way flight from Moline Quad-City to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Moline to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Moline to Seattle that are best for you.

Fly from

Moline

Fly to

Seattle

Route

Depart

Return

Price

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Wed 12/17

5:40 pm-10:28 pm

1 stop6h 48m

Seattle/Tacoma Intl

Wed 12/24

10:52 am-9:21 pm

1 stop8h 29m

$339

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Thu 11/20

6:00 am-1:54 pm

1 stop9h 54m

Seattle/Tacoma Intl

Mon 11/24

2:46 pm-11:40 pm

1 stop6h 54m

$344

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Mon 11/3

3:55 pm-10:28 pm

1 stop8h 33m

Seattle/Tacoma Intl

Mon 11/10

12:35 pm-9:17 pm

1 stop6h 42m

$384

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Thu 11/6

1:00 pm-6:52 pm

1 stop7h 52m

Seattle/Tacoma Intl

Mon 11/10

10:53 am-9:17 pm

1 stop8h 24m

$384

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Thu 11/6

1:00 pm-6:52 pm

1 stop7h 52m

Seattle/Tacoma Intl

Thu 11/13

11:30 pm-10:15 am

1 stop8h 45m

$384

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Wed 11/19

5:46 am-1:10 pm

1 stop9h 24m

Seattle/Tacoma Intl

Tue 11/25

2:46 pm-11:40 pm

1 stop6h 54m

$387

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Thu 12/11

9:59 pm-10:06 am

1 stop14h 07m

$113

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Sun 12/7

5:40 pm-9:00 pm

3 stops29h 20m

$308

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Mon 11/10

9:50 am-11:18 pm

1 stop15h 28m

$327

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Sun 12/7

6:00 am-12:40 pm

1 stop8h 40m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 11 results
1
2

Compare providers for flights from Moline to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Moline to Seattle in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Moline-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Moline-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Moline-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Moline-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Moline-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Moline to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Moline with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Moline to Seattle

How far ahead should I book a flight from Moline to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Moline to Seattle. Price data was last updated on October 24, 2025.

The best time to book flights from Moline to Seattle is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Moline to Seattle?

Currently, May is the cheapest month in which you can book a flight from Moline to Seattle (average of $190). Flying from Moline to Seattle in June is currently the most expensive (average of $381). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MLI to SEA?

Find hourly flight availability from Moline to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

When flying from Moline to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 60% versus a flight at noon.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated October 27, 2025.
Read reviews from past customers who have flown Alaska Airlines, United Airlines, and American Airlines from Moline to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,193 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,193 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,999 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
11,031 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

Find useful and relevant information for your journey from Moline to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Moline to Seattle?

    A quick flight from Moline to Seattle can take about 6h 48m. United Airlines provides one of the quickest options available for as low as $339. There are 1609 mi between Moline and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Moline to Seattle round-trip?

    Our cheapest airline available from Moline to Seattle is American Airlines. Our recent data shows that you can find tickets from as low as $288 on this airline. Additional options worth looking into are United Airlines and Alaska Airlines, starting at $363 and $428 round-trip. You may be able to fly from Moline to Seattle for 37% less than the average price by searching for these airlines.

  • Can I find deals for flights from Moline to Seattle that include hotel bookings?

    Yes. In addition to deals on Moline to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Moline to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Moline to Seattle.

  • Can I find deals for business class flights from Moline to Seattle?

    Yes. Cheapflights offers flight deals from Moline to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Moline to Seattle?

    Currently, May is the cheapest month in which you can book a flight from Moline to Seattle (average of $190). Flying from Moline to Seattle in June is currently the most expensive (average of $381). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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Top 3 airlines flying from Moline to Seattle

Discover the top 3 airlines that operate flights from Moline to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$440FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$354Average$496FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$428Average$588FlexibilityNo cancel feeOn-time75%

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