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$422+ Cheap flights from Monroe to Seattle (MLU - 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — SEA
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap flight deals from Monroe to Seattle

Cheapest flights from Monroe to Seattle
Explore the most affordable flight options available from Monroe to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This American Airlines deal was found by Cheapflights users on 7/18. 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 9/11:44 pm
MLU
-
SEA
1 stop7h 03m
American Airlines
Sun 9/611:11 pm
SEA
-
MLU
1 stop8h 36m
American Airlines
Deal found 7/18$458
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Thu 11/1910:08 am
MLU
-
SEA
1 stop8h 51m
American Airlines
Sun 11/225:10 am
SEA
-
MLU
1 stop6h 06m
American Airlines
Deal found 7/19$508
This Delta deal was found by Cheapflights users on 7/19. 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.
Thu 11/2612:40 pm
MLU
-
SEA
1 stop10h 06m
Delta
Mon 11/3011:05 pm
SEA
-
MLU
2 stops10h 54m
Delta
Deal found 7/19$514
This American Airlines deal was found by Cheapflights users on 7/22. 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 12/256:02 pm
MLU
-
SEA
1 stop8h 52m
American Airlines
Thu 12/3112:59 am
SEA
-
MLU
1 stop6h 35m
American Airlines
Deal found 7/22$518
This Delta deal was found by Cheapflights users on 7/20. 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.
Mon 8/175:48 pm
MLU
-
SEA
1 stop8h 09m
Delta
Mon 8/3111:59 pm
SEA
-
MLU
1 stop10h 17m
Delta
Deal found 7/20$522
This Delta deal was found by Cheapflights users on 7/19. 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.
Thu 11/196:02 am
MLU
-
SEA
1 stop8h 21m
Delta
Sun 11/226:00 am
SEA
-
MLU
2 stops14h 10m
Delta
Deal found 7/19$559
This American Airlines deal was found by Cheapflights users on 7/20. 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 8/141:44 pm
MLU
-
SEA
1 stop7h 03m
American Airlines
Sun 8/1611:11 pm
SEA
-
MLU
1 stop8h 36m
American Airlines
Deal found 7/20$634

Find flight deals from Monroe to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Monroe (MLU) 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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$458
(American Airlines)

One-way from

$422
(Delta)

Popular in

February

Cheapest in

April

Average price

$490
Provider with most accurate pricing for Monroe Huenefeld-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Monroe Huenefeld-Seattle/Tacoma Intl flights.
Search Deals
From Monroe Huenefeld to Seattle/Tacoma Intl
Search Deals
One-way flight from Monroe Huenefeld to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Monroe 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 July 23, 2026.
Use the filters below to find and compare flights from Monroe to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MonroeSeattle

MLU - SEA

MLUSEA

Monroe Huenefeld

Mon 8/17

5:48 pm-11:57 pm

1 stop8h 09m

Seattle/Tacoma Intl

Mon 8/31

5:30 am-10:12 pm

2 stops14h 42m

$528

MonroeSeattle

MLU - SEA

MLUSEA

Monroe Huenefeld

Tue 9/1

6:00 am-2:03 pm

2 stops10h 03m

Seattle/Tacoma Intl

Sun 9/6

11:11 pm-9:47 am

1 stop8h 36m

$571
Quickest round-trip

MonroeSeattle

MLU - SEA

MLUSEA

Monroe Huenefeld

Thu 10/8

10:14 am-5:45 pm

2 stops9h 31m

Seattle/Tacoma Intl

Wed 10/14

12:25 am-9:44 am

1 stop7h 19m

$756

MonroeSeattle

MLU - SEA

MLUSEA

Monroe Huenefeld

Tue 10/6

6:19 am-12:17 pm

1 stop7h 58m

Seattle/Tacoma Intl

Fri 10/9

11:05 pm-12:15 pm

2 stops11h 10m

$810
Cheapest one-way
Quickest one-way

MonroeSeattle

MLU - SEA

MLUSEA

Monroe Huenefeld

Mon 8/17

6:07 am-2:45 pm

1 stop10h 38m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Sorted by cheapest first

Compare providers for flights from Monroe 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 Monroe to Seattle in July.
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 Monroe-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Monroe-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Monroe-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Monroe-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 Monroe-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 Monroe to Seattle

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

How much does it cost to fly round-trip from Monroe to Seattle?

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 July 23, 2026.
See what other customers who have flown with American Airlines from Monroe to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,835 reviews

Crew

7.9

Entertainment

6.8

Overall

7.1

Comfort

7.2

Boarding

7.5

Food

6.4

Reviews

1 / 20
10.0
Excellent

Linda,Jul 2026

ROA - CLT

Very helpful and friendly people who pushed me where I needed to go
American Airlines
7.1
Good
11,835 reviews
American Airlines
7.1
Good
11,835 reviews

Crew

7.9

Entertainment

6.8

Overall

7.1

Comfort

7.2

Boarding

7.5

Food

6.4

Reviews

1 / 20
10.0
Excellent

Linda,Jul 2026

ROA - CLT

Very helpful and friendly people who pushed me where I needed to go

Related info for your journey

Find useful and relevant information for your journey from Monroe 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 Monroe to Seattle?

    A quick flight from Monroe to Seattle can take about 8h 09m. Delta provides one of the quickest options available for as low as $528. Monroe and Seattle are separated by a distance of 1886 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Monroe to Seattle round-trip?

    Cheapflights users have booked flights from Monroe to Seattle round-trip from $318. This flight start at 39% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Monroe 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Renton
Lacey
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Monroe to Seattle

Discover the top airline that operate flights from Monroe 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$318Average$464FlexibilityNo cancel feeOn-time71%

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