HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Moline

$277+ Cheap flights from Seattle to Moline (SEA - MLI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MLI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Moline with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seattle to Moline

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Moline (MLI). 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

$289
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$633
From Seattle/Tacoma Intl to Moline Quad-City
Search Deals
One-way flight from Seattle/Tacoma Intl to Moline Quad-City
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Seattle to Moline

Cheapest flights from Seattle to Moline
Explore the most affordable flight options available from Seattle to Moline. 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.
Tue 9/306:05 amSEA - MLI
1 stop12h 12mAmerican Airlines
Wed 10/811:23 amMLI - SEA
1 stop14h 27mAmerican Airlines
Deal found 6/11$277
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.
Wed 7/912:20 amSEA - MLI
1 stop8h 02mUnited Airlines
Sun 7/135:20 pmMLI - SEA
1 stop7h 22mUnited Airlines
Deal found 6/10$314
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2912:59 amSEA - MLI
1 stop7h 51mAlaska Airlines
Wed 10/811:23 amMLI - SEA
1 stop8h 31mAlaska Airlines
Deal found 6/9$379
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/257:25 amSEA - MLI
2 stops12h 54mDelta
Mon 7/285:55 amMLI - SEA
2 stops10h 39mDelta
Deal found 6/10$1,091

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Moline 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 Seattle to Moline that are best for you.

Fly from

Seattle

Fly to

Moline

Route

Depart

Return

Price

SeattleMoline

SEA - MLI

SEAMLI

Seattle/Tacoma Intl

Tue 9/30

6:05 am-8:17 pm

1 stop12h 12m

Moline Quad-City

Wed 10/8

11:23 am-11:50 pm

1 stop14h 27m

$277

SeattleMoline

SEA - MLI

SEAMLI

Seattle/Tacoma Intl

Wed 7/9

12:20 am-10:22 am

1 stop8h 02m

Moline Quad-City

Sun 7/13

5:20 pm-10:42 pm

1 stop7h 22m

$314

SeattleMoline

SEA - MLI

SEAMLI

Seattle/Tacoma Intl

Mon 9/29

12:59 am-10:50 am

1 stop7h 51m

Moline Quad-City

Wed 10/8

11:23 am-5:54 pm

1 stop8h 31m

$379

SeattleMoline

SEA - MLI

SEAMLI

Seattle/Tacoma Intl

Fri 7/25

7:25 am-10:19 pm

2 stops12h 54m

Moline Quad-City

Mon 7/28

5:55 am-2:34 pm

2 stops10h 39m

$1,091

SeattleMoline

SEA - MLI

SEAMLI

Seattle/Tacoma Intl

Sun 8/17

12:20 am-10:22 am

1 stop8h 02m

$289

SeattleMoline

SEA - MLI

SEAMLI

Seattle/Tacoma Intl

Mon 8/18

7:44 am-4:58 pm

1 stop7h 14m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Seattle to Moline

Have a flexible travel schedule? Discover the best time to fly to Moline from Seattle 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 Seattle to Moline

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

Currently, April is the cheapest month in which you can book a flight from Seattle to Moline (average of $327). Flying from Seattle to Moline in June is currently the most expensive (average of $427). 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.

Rainfall in Moline by month

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

In terms of precipitation, rainfall in Moline ranges from 1.5 - 4.5 inches per month. June is typically the wettest month, when rainfall can reach 4.5 in. January is typically the driest time to visit Moline when rainfall is around 1.5 in.

Temperature in Moline by month

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

If weather is an important factor for your trip to Moline, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Moline

Get insights into the airlines that provide service to Moline. 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 Moline. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Seattle to Moline to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to Moline. 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 Seattle to Moline round-trip?

    According to our current data, American Airlines ($289), United Airlines ($314), and Alaska Airlines ($498) offers the cheapest pricing from Seattle to Moline. American Airlines is currently priced 48% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Moline 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 Seattle to Moline?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Moline (average of $327). Flying from Seattle to Moline in June is currently the most expensive (average of $427). 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
Davenport
Clinton
Bettendorf

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Moline

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to O'Hare Intl flights
Portland to O'Hare Intl flights
Seattle to Midway flights
Seattle to St. Louis flights
Portland to Midway flights
Spokane to O'Hare Intl flights
Portland to St. Louis flights
Spokane to Midway flights
Pasco to O'Hare Intl flights
Portland to Peoria flights
Seattle to Bloomington flights
Pasco to Midway flights
Seattle to Peoria flights
Portland to Rockford flights
Seattle to Evansville flights
Wenatchee to O'Hare Intl flights
Portland to Moline flights
Portland to Decatur flights
Spokane to St. Louis flights
Portland to Bloomington flights
Pasco to St. Louis flights
Pullman to O'Hare Intl flights
Portland to Champaign flights
Spokane to Evansville flights
Bellingham to O'Hare Intl flights
Spokane to Moline flights
Portland to Evansville flights
Portland to Springfield flights
Seattle to Rockford flights
Seattle to Decatur flights
Portland to Dubuque flights
Seattle to Champaign flights
Spokane to Springfield flights
Pullman to St. Louis flights
Spokane to Rockford flights
Bellingham to St. Louis flights
Yakima to O'Hare Intl flights
Spokane to Peoria flights
Spokane to Bloomington flights
Walla Walla to O'Hare Intl flights
Portland to Marion flights
Portland to Paducah flights
Seattle to Dubuque flights
Spokane to Dubuque flights
Spokane to Champaign flights
Seattle to Paducah flights
Walla Walla to St. Louis flights

Top 3 airlines flying from Seattle to Moline

Discover the top 3 airlines that operate flights from Seattle to Moline. 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
American AirlinesCheapest$356Average$516FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$356Average$575FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$473Average$728FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.