Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Moline to Seattle from $289

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 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Moline to Seattle (MLI-SEA)

Cheap round-trip flights

United Airlines Logo
3:40 pm - 10:20 pmMLI-SEA
8h 40m1 stop
United Airlines Logo
7:00 am - 3:05 pmSEA-MLI
6h 05m1 stop
$289United Airlines
Find Deal
Sat, Sep 20 - Sat, Oct 4
United Airlines Logo
10:45 am - 9:22 pmMLI-SEA
12h 37m2 stops
United Airlines Logo
7:00 am - 3:05 pmSEA-MLI
6h 05m1 stop
$294United Airlines
Find Deal
Sat, Sep 20 - Sat, Oct 4
American Airlines Logo
10:42 am - 4:54 pmMLI-SEA
8h 12m1 stop
American Airlines Logo
12:34 am - 10:50 amSEA-MLI
8h 16m1 stop
$314American Airlines
Find Deal
Wed, Oct 22 - Sat, Oct 25
Delta Logo
4:59 pm - 11:54 pmMLI-SEA
8h 55m1 stop
Delta Logo
6:00 am - 4:19 pmSEA-MLI
8h 19m1 stop
$339Delta
Find Deal
Wed, Sep 17 - Sat, Oct 4
American Airlines Logo
10:59 am - 7:09 pmMLI-SEA
10h 10m1 stop
American Airlines Logo
12:34 am - 10:52 amSEA-MLI
8h 18m1 stop
$344American Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
Delta Logo
4:59 pm - 11:54 pmMLI-SEA
8h 55m1 stop
Delta Logo
11:40 am - 10:20 pmSEA-MLI
8h 40m1 stop
$368Delta
Find Deal
Wed, Sep 17 - Tue, Oct 7
Alaska Airlines Logo
6:00 am - 10:37 amMLI-SEA
6h 37m1 stop
Alaska Airlines Logo
12:17 am - 10:21 amSEA-MLI
8h 04m1 stop
$379Alaska Airlines
Find Deal
Thu, Sep 18 - Sat, Oct 4
Logo
12:36 pm - 3:41 pmMLI-SEA
29h 05m1 stop
Logo
7:00 am - 11:46 amSEA-MLI
26h 46m2 stops
$397
Find Deal
Sun, Sep 14 - Wed, Sep 17
Logo
12:36 pm - 3:45 pmMLI-SEA
29h 09m1 stop
Logo
1:02 pm - 12:24 pmSEA-MLI
21h 22m2 stops
$407
Find Deal
Thu, Sep 18 - Tue, Oct 7
Alaska Airlines Logo
6:00 am - 10:37 amMLI-SEA
6h 37m1 stop
Alaska Airlines Logo
12:59 am - 10:20 amSEA-MLI
7h 21m1 stop
$459Alaska Airlines
Find Deal
Thu, Sep 11 - Sun, Sep 14

American Airlines flights from Moline to Seattle

Our best American Airlines deals on Moline to Seattle flight tickets
American Airlines
Oct 22
MLI10:42 amMoline Quad-City
8h 12m
1 stop
SEA4:54 pmSeattle/Tacoma Intl
Oct 25
SEA12:34 amSeattle/Tacoma Intl
8h 16m
1 stop
MLI10:50 amMoline Quad-City
$314
Find similar
American Airlines
Oct 2
MLI10:59 amMoline Quad-City
10h 10m
1 stop
SEA7:09 pmSeattle/Tacoma Intl
Oct 5
SEA12:34 amSeattle/Tacoma Intl
8h 18m
1 stop
MLI10:52 amMoline Quad-City
$344
Find similar
American Airlines
Sep 17
MLI3:26 pmMoline Quad-City
9h 03m
1 stop
SEA10:29 pmSeattle/Tacoma Intl
Oct 6
SEA11:24 pmSeattle/Tacoma Intl
8h 48m
1 stop
MLI10:12 amMoline Quad-City
$404
Find similar

United Airlines flights from Moline to Seattle

Our best United Airlines deals on Moline to Seattle flight tickets
United Airlines
Sep 20
MLI3:40 pmMoline Quad-City
8h 40m
1 stop
SEA10:20 pmSeattle/Tacoma Intl
Oct 4
SEA7:00 amSeattle/Tacoma Intl
6h 05m
1 stop
MLI3:05 pmMoline Quad-City
$289
Find similar
United Airlines
Sep 20
MLI10:45 amMoline Quad-City
12h 37m
2 stops
SEA9:22 pmSeattle/Tacoma Intl
Oct 4
SEA7:00 amSeattle/Tacoma Intl
6h 05m
1 stop
MLI3:05 pmMoline Quad-City
$294
Find similar
United Airlines
Sep 19
MLI3:40 pmMoline Quad-City
8h 40m
1 stop
SEA10:20 pmSeattle/Tacoma Intl
Sep 22
SEA11:54 pmSeattle/Tacoma Intl
8h 16m
1 stop
MLI10:10 amMoline Quad-City
$295
Find similar

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 August 28, 2025.
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

Sat 9/20

3:40 pm-10:20 pm

1 stop8h 40m

Seattle/Tacoma Intl

Sat 10/4

7:00 am-3:05 pm

1 stop6h 05m

$289

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Sat 9/20

10:45 am-9:22 pm

2 stops12h 37m

Seattle/Tacoma Intl

Sat 10/4

7:00 am-3:05 pm

1 stop6h 05m

$294

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Wed 10/22

10:42 am-4:54 pm

1 stop8h 12m

Seattle/Tacoma Intl

Sat 10/25

12:34 am-10:50 am

1 stop8h 16m

$314

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Wed 9/17

4:59 pm-11:54 pm

1 stop8h 55m

Seattle/Tacoma Intl

Sat 10/4

6:00 am-4:19 pm

1 stop8h 19m

$339

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Thu 10/2

10:59 am-7:09 pm

1 stop10h 10m

Seattle/Tacoma Intl

Sun 10/5

12:34 am-10:52 am

1 stop8h 18m

$344

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Wed 9/17

4:59 pm-11:54 pm

1 stop8h 55m

Seattle/Tacoma Intl

Tue 10/7

11:40 am-10:20 pm

1 stop8h 40m

$368

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Thu 9/18

6:00 am-10:37 am

1 stop6h 37m

Seattle/Tacoma Intl

Sat 10/4

12:17 am-10:21 am

1 stop8h 04m

$379

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Sun 9/14

12:36 pm-3:41 pm

1 stop29h 05m

Seattle/Tacoma Intl

Wed 9/17

7:00 am-11:46 am

2 stops26h 46m

$397

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Thu 9/18

12:36 pm-3:45 pm

1 stop29h 09m

Seattle/Tacoma Intl

Tue 10/7

1:02 pm-12:24 pm

2 stops21h 22m

$407

MolineSeattle

MLI - SEA

MLISEA

Moline Quad-City

Thu 9/11

6:00 am-10:37 am

1 stop6h 37m

Seattle/Tacoma Intl

Sun 9/14

12:59 am-10:20 am

1 stop7h 21m

$459

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 cheapest month to fly to Seattle?

In general, February 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 $328. If you don’t want to visit Seattle in February, then you should wait until April to fly from Moline, when ticket prices are also cheap, with an average price of $369.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Moline is on a Sunday. momondo users have found tickets for Sunday departures for as low as $478. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Moline because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $757.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Moline in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $568 when looking at flights departing in the afternoon. Flights to Seattle are more costly at noon, with an average ticket price of $757. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $457 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 $394 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

Direct flights

None
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 37m 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 $228Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $373Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $433Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Seattle?

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

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.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/2
Tue 9/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States