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$222+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — SEA
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This American Airlines deal was found by Cheapflights users on 1/23. 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 3/412:36 pm
MLI
-
SEA
1 stop10h 30m
American Airlines
Tue 3/101:37 pm
SEA
-
MLI
1 stop8h 00m
American Airlines
Deal found 1/23$309
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Sat 2/285:22 pm
MLI
-
SEA
1 stop7h 21m
United Airlines
Wed 3/49:00 am
SEA
-
MLI
2 stops10h 27m
United Airlines
Deal found 1/25$314
This American Airlines deal was found by Cheapflights users on 1/24. 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.
Tue 9/16:34 pm
MLI
-
SEA
1 stop7h 16m
American Airlines
Tue 9/85:35 am
SEA
-
MLI
1 stop8h 16m
American Airlines
Deal found 1/24$334
This American Airlines deal was found by Cheapflights users on 1/23. 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 2/117:32 am
MLI
-
SEA
1 stop8h 38m
American Airlines
Tue 2/175:37 am
SEA
-
MLI
1 stop7h 26m
American Airlines
Deal found 1/23$359
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 11/93:52 pm
MLI
-
SEA
1 stop8h 37m
United Airlines
Sun 11/1511:50 pm
SEA
-
MLI
1 stop8h 24m
United Airlines
Deal found 1/25$367
This American Airlines deal was found by Cheapflights users on 1/24. 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.
Mon 4/67:09 pm
MLI
-
SEA
1 stop16h 45m
American Airlines
Wed 4/157:00 am
SEA
-
MLI
1 stop9h 01m
American Airlines
Deal found 1/24$371
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 4/276:35 pm
MLI
-
SEA
1 stop17h 19m
American Airlines
Fri 5/111:26 pm
SEA
-
MLI
1 stop16h 35m
American Airlines
Deal found 1/26$375
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Sat 2/143:52 pm
MLI
-
SEA
1 stop8h 51m
United Airlines
Wed 2/1811:59 pm
SEA
-
MLI
1 stop8h 12m
United Airlines
Deal found 1/24$399
This United Airlines deal was found by Cheapflights users on 1/26. 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 3/510:46 am
MLI
-
SEA
2 stops10h 42m
United Airlines
Mon 3/911:59 pm
SEA
-
MLI
1 stop8h 10m
United Airlines
Deal found 1/26$400
This United Airlines deal was found by Cheapflights users on 1/25. 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 3/45:22 pm
MLI
-
SEA
1 stop7h 21m
United Airlines
Tue 3/109:20 am
SEA
-
MLI
2 stops11h 02m
United Airlines
Deal found 1/25$404

Find 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(American Airlines)

One-way from

$222
(American Airlines)

Popular in

July

Cheapest in

April

Average price

$424
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. 13% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 26, 2026.
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 3/4

12:36 pm-9:06 pm

1 stop10h 30m

Seattle/Tacoma Intl

Tue 3/10

1:37 pm-11:37 pm

1 stop8h 00m

$309

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Sat 2/28

3:52 pm-10:43 pm

1 stop8h 51m

Seattle/Tacoma Intl

Wed 3/4

11:59 pm-10:09 am

1 stop8h 10m

$309

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Mon 4/6

7:09 pm-9:54 am

1 stop16h 45m

Seattle/Tacoma Intl

Wed 4/15

7:00 am-6:01 pm

1 stop9h 01m

$371

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Sat 2/14

3:52 pm-10:43 pm

1 stop8h 51m

Seattle/Tacoma Intl

Wed 2/18

7:00 am-4:47 pm

1 stop7h 47m

$399

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Wed 3/4

5:22 pm-10:43 pm

1 stop7h 21m

Seattle/Tacoma Intl

Tue 3/10

6:32 am-10:22 pm

2 stops13h 50m

$404

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Tue 2/24

6:00 am-11:04 pm

1 stop19h 04m

$222

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Mon 2/23

1:30 pm-11:04 pm

1 stop11h 34m

$222

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Tue 2/24

8:49 am-6:26 pm

2 stops11h 37m

$345

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Mon 2/23

10:46 am-9:12 pm

2 stops12h 26m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Moline-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 23, 2026.

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.

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 January 26, 2026.
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
11,792 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,792 reviews
Alaska Airlines
8.0
Very good
11,792 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
United Airlines
7.4
Good
9,199 reviews
Alaska Airlines
8.0
Very good
11,792 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
American Airlines
7.2
Good
11,189 reviews
Alaska Airlines
8.0
Very good
11,792 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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 8h 51m. American Airlines provides one of the quickest options available for as low as $309. 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 $258 on this airline. Additional options worth looking into are United Airlines and Alaska Airlines, starting at $318 and $428 round-trip. You may be able to fly from Moline to Seattle for 45% 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

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Alternative routes for Moline to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$466FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$331Average$511FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$428Average$608FlexibilityNo cancel feeOn-time75%

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