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Cheap flights from Moline to Seattle from $309

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Moline to Seattle departing on 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Moline to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:09 pm - 12:24 am
MLI
-
SEA
7h 15m
1 stop
American Airlines Logo
1:19 pm - 11:54 pm
SEA
-
MLI
8h 35m
1 stop
$309American Airlines
Mon, Apr 6 - Wed, Apr 15
American Airlines Logo
7:09 pm - 12:24 am
MLI
-
SEA
7h 15m
1 stop
American Airlines Logo
1:37 pm - 11:37 pm
SEA
-
MLI
8h 00m
1 stop
$310American Airlines
Thu, Mar 12 - Wed, Mar 18
United Airlines Logo
6:30 am - 11:48 am
MLI
-
SEA
7h 18m
1 stop
United Airlines Logo
8:55 am - 10:45 pm
SEA
-
MLI
11h 50m
2 stops
$314United Airlines
Wed, Apr 1 - Wed, Apr 8
Delta Logo
5:55 am - 2:03 pm
MLI
-
SEA
10h 08m
1 stop
Delta Logo
11:45 am - 10:30 pm
SEA
-
MLI
8h 45m
1 stop
$334Delta
Wed, Mar 4 - Tue, Mar 10
United Airlines Logo
5:22 pm - 10:43 pm
MLI
-
SEA
7h 21m
1 stop
United Airlines Logo
11:59 pm - 10:09 am
SEA
-
MLI
8h 10m
1 stop
$359United Airlines
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
12:22 pm - 5:34 pm
MLI
-
SEA
31h 12m
1 stop
Multiple Airlines Logo
10:05 pm - 9:05 pm
SEA
-
MLI
21h 00m
1 stop
$361Multiple Airlines
Sun, Apr 5 - Thu, Apr 9
United Airlines Logo
8:49 am - 6:26 pm
MLI
-
SEA
11h 37m
2 stops
United Airlines Logo
11:59 pm - 10:09 am
SEA
-
MLI
8h 10m
1 stop
$364United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
10:46 am - 7:28 pm
MLI
-
SEA
10h 42m
2 stops
United Airlines Logo
11:59 pm - 10:09 am
SEA
-
MLI
8h 10m
1 stop
$375United Airlines
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
10:46 am - 7:28 pm
MLI
-
SEA
10h 42m
2 stops
United Airlines Logo
8:45 am - 8:48 pm
SEA
-
MLI
10h 03m
2 stops
$380United Airlines
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
3:47 pm - 10:59 pm
MLI
-
SEA
9h 12m
2 stops
United Airlines Logo
8:51 am - 8:57 pm
SEA
-
MLI
10h 06m
2 stops
$389United Airlines
Mon, May 4 - Tue, May 12

Delta flights from Moline to Seattle

Our best Delta deals on Moline to Seattle flight tickets
Delta
Mar 4
MLI5:55 amMoline Quad-City
10h 08m
1 stop
SEA2:03 pmSeattle/Tacoma Intl
Mar 10
SEA11:45 amSeattle/Tacoma Intl
8h 45m
1 stop
MLI10:30 pmMoline Quad-City
$334
Delta
Jul 14
MLI5:00 pmMoline Quad-City
9h 06m
1 stop
SEA12:06 amSeattle/Tacoma Intl
Jul 22
SEA11:35 pmSeattle/Tacoma Intl
8h 51m
1 stop
MLI10:26 amMoline Quad-City
$417
Delta
Jul 14
MLI5:00 pmMoline Quad-City
9h 06m
1 stop
SEA12:06 amSeattle/Tacoma Intl
Jul 20
SEA9:30 amSeattle/Tacoma Intl
22h 56m
2 stops
MLI10:26 amMoline Quad-City
$442

United Airlines flights from Moline to Seattle

Our best United Airlines deals on Moline to Seattle flight tickets
United Airlines
Apr 1
MLI6:30 amMoline Quad-City
7h 18m
1 stop
SEA11:48 amSeattle/Tacoma Intl
Apr 8
SEA8:55 amSeattle/Tacoma Intl
11h 50m
2 stops
MLI10:45 pmMoline Quad-City
$314
United Airlines
Mar 4
MLI5:22 pmMoline Quad-City
7h 21m
1 stop
SEA10:43 pmSeattle/Tacoma Intl
Mar 8
SEA11:59 pmSeattle/Tacoma Intl
8h 10m
1 stop
MLI10:09 amMoline Quad-City
$359
United Airlines
Mar 4
MLI8:49 amMoline Quad-City
11h 37m
2 stops
SEA6:26 pmSeattle/Tacoma Intl
Mar 8
SEA11:59 pmSeattle/Tacoma Intl
8h 10m
1 stop
MLI10:09 amMoline Quad-City
$364

momondo 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, momondo users made 832,500 searches. Data last updated February 19, 2026.
Use the filters below to find and compare flights from Moline to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Mon 4/6

7:09 pm-12:24 am

1 stop7h 15m

Seattle/Tacoma Intl

Wed 4/15

1:19 pm-11:54 pm

1 stop8h 35m

$309

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Thu 3/12

7:09 pm-12:24 am

1 stop7h 15m

Seattle/Tacoma Intl

Wed 3/18

1:37 pm-11:37 pm

1 stop8h 00m

$310

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Wed 4/1

6:30 am-11:48 am

1 stop7h 18m

Seattle/Tacoma Intl

Wed 4/8

8:55 am-10:45 pm

2 stops11h 50m

$314

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Wed 3/4

5:55 am-2:03 pm

1 stop10h 08m

Seattle/Tacoma Intl

Tue 3/10

11:45 am-10:30 pm

1 stop8h 45m

$334

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Wed 3/4

5:22 pm-10:43 pm

1 stop7h 21m

Seattle/Tacoma Intl

Sun 3/8

11:59 pm-10:09 am

1 stop8h 10m

$359

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Sun 4/5

12:22 pm-5:34 pm

1 stop31h 12m

Seattle/Tacoma Intl

Thu 4/9

10:05 pm-9:05 pm

1 stop21h 00m

$361

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Wed 3/4

8:49 am-6:26 pm

2 stops11h 37m

Seattle/Tacoma Intl

Sun 3/8

11:59 pm-10:09 am

1 stop8h 10m

$364

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Fri 3/6

10:46 am-7:28 pm

2 stops10h 42m

Seattle/Tacoma Intl

Tue 3/10

11:59 pm-10:09 am

1 stop8h 10m

$375

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Fri 3/6

10:46 am-7:28 pm

2 stops10h 42m

Seattle/Tacoma Intl

Tue 3/10

8:45 am-8:48 pm

2 stops10h 03m

$380

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Mon 5/4

3:47 pm-10:59 pm

2 stops9h 12m

Seattle/Tacoma Intl

Tue 5/12

8:51 am-8:57 pm

2 stops10h 06m

$389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Moline to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Moline and Seattle?

What is the cheapest month to fly to Seattle?

In general, April is the cheapest month to fly from Moline to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $398. If you don’t want to visit Seattle in April, then you should wait until May to fly from Moline, when ticket prices are also cheap, with an average price of $398.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Moline when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $472 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Moline for as low as $346 on momondo.

When to book flights from Moline to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Moline to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Moline to Seattle (MLI to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Moline to Seattle

Fastest flight time

6h 40m

Direct flights

None
The fastest flight from Moline to Seattle takes 6h 40m
There are no direct flights from Moline to Seattle. There are no popular flight routes from Moline to Seattle.
Search flight deals

  • How far is Moline Quad-City to Seattle/Tacoma Intl by plane?

    A flight from Moline Quad-City to Seattle/Tacoma Intl will travel around 1608.9 mi. Typically, this will take 6h 40m by plane in normal conditions.

  • When did momondo last update prices for flights from Moline Quad-City Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Moline Quad-City Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Moline Quad-City Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Moline Quad-City Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Moline Quad-City Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Moline to Seattle?

Best airlines flying from Moline to Seattle

Compare and see reviews for airlines that fly from Moline to Seattle with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,321 reviews
Search American Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,325 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $428Free CancellationRating
8.0
11,907 reviews
Search Alaska Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Kirkland
Fife
Westport
Centralia
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Moline to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Moline to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Moline to Seattle with flexible booking policies on momondo?

Flights from Moline to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Moline to Seattle?

Once all potential Moline to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Moline to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from Moline. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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