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$161+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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

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 June 12, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$161
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$588
From Moline Quad-City to Seattle/Tacoma Intl
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One-way flight from Moline Quad-City to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 19% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 9/2610:54 amMLI - SEA
1 stop10h 15mAmerican Airlines
Sun 9/287:50 amSEA - MLI
1 stop7h 01mAmerican Airlines
Deal found 6/11$289
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/63:40 pmMLI - SEA
1 stop8h 40mUnited Airlines
Tue 9/95:07 amSEA - MLI
2 stops7h 58mUnited Airlines
Deal found 6/10$294
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:23 pmMLI - SEA
1 stop29h 30mMultiple Airlines
Wed 11/54:58 pmSEA - MLI
1 stop16h 35mMultiple Airlines
Deal found 6/10$356
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:23 amMLI - SEA
1 stop8h 31mAlaska Airlines
Fri 10/2412:17 amSEA - MLI
1 stop8h 36mAlaska Airlines
Deal found 6/10$429
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/85:55 amMLI - SEA
2 stops11h 04mDelta
Mon 8/187:23 amSEA - MLI
2 stops13h 25mDelta
Deal found 6/9$979

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 June 12, 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

Fri 9/26

10:54 am-7:09 pm

1 stop10h 15m

Seattle/Tacoma Intl

Sun 9/28

7:50 am-4:51 pm

1 stop7h 01m

$289

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Sat 9/6

3:40 pm-10:20 pm

1 stop8h 40m

Seattle/Tacoma Intl

Tue 9/9

5:07 am-3:05 pm

2 stops7h 58m

$294

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Sun 11/2

12:23 pm-3:53 pm

1 stop29h 30m

Seattle/Tacoma Intl

Wed 11/5

4:58 pm-11:33 am

1 stop16h 35m

$356

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Wed 10/22

11:23 am-5:54 pm

1 stop8h 31m

Seattle/Tacoma Intl

Fri 10/24

12:17 am-10:53 am

1 stop8h 36m

$429

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Fri 8/8

5:55 am-2:59 pm

2 stops11h 04m

Seattle/Tacoma Intl

Mon 8/18

7:23 am-10:48 pm

2 stops13h 25m

$979

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Sun 8/10

12:46 pm-4:25 pm

1 stop29h 39m

$161

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Tue 7/22

5:20 pm-10:42 pm

1 stop7h 22m

$258

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Sun 7/20

3:54 pm-11:02 pm

1 stop9h 08m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 9, 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, January is the cheapest month in which you can book a flight from Moline to Seattle (average of $238). Flying from Moline to Seattle in July is currently the most expensive (average of $391). 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 June 12, 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 afternoon, which can drop the price by up to 25% versus a flight at noon.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Moline to Seattle have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • 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 $289 on this airline. Additional options worth looking into are United Airlines and Alaska Airlines, starting at $294 and $429 round-trip. You may be able to fly from Moline to Seattle for 39% 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, January is the cheapest month in which you can book a flight from Moline to Seattle (average of $238). Flying from Moline to Seattle in July is currently the most expensive (average of $391). 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 Moline?

Book flights to Moline if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$216Average$608FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$228Average$486FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$373Average$577FlexibilityNo cancel feeOn-time69%

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