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$347+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — SEA
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Cheap 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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$804
(American Airlines)

One-way from

$347
(Delta)

Popular in

March

Cheapest in

November

Average price

$603
Provider with most accurate pricing for Monroe Huenefeld-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Monroe Huenefeld-Seattle/Tacoma Intl flights.
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From Monroe Huenefeld to Seattle/Tacoma Intl
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One-way flight from Monroe Huenefeld to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 15% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 14, 2025.

This American Airlines deal was found by Cheapflights users on 10/14. 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.
Sun 11/306:23 pmMLU - SEA
1 stop17h 22mAmerican Airlines
Fri 12/52:19 pmSEA - MLU
1 stop17h 13mAmerican Airlines
Deal found 10/14$763

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 October 14, 2025.
Use the filters below to find and compare flights from Monroe to Seattle that are best for you.

Fly from

Monroe

Fly to

Seattle

Route

Depart

Return

Price

MonroeSeattle

MLU - SEA

MLUSEA

Monroe Huenefeld

Sun 11/30

6:23 pm-9:45 am

1 stop17h 22m

Seattle/Tacoma Intl

Fri 12/5

2:19 pm-9:32 am

1 stop17h 13m

$763

MonroeSeattle

MLU - SEA

MLUSEA

Monroe Huenefeld

Sat 11/15

6:01 am-12:43 pm

1 stop8h 42m

$347

MonroeSeattle

MLU - SEA

MLUSEA

Monroe Huenefeld

Sat 11/15

5:30 am-1:10 pm

1 stop9h 40m

$381

MonroeSeattle

MLU - SEA

MLUSEA

Monroe Huenefeld

Sat 11/15

5:51 pm-7:05 pm

3 stops27h 14m

$687

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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

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

Currently, September is the cheapest month in which you can book a flight from Monroe to Seattle (average of $288). Flying from Monroe to Seattle in March is currently the most expensive (average of $622). 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.

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 October 14, 2025.
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
7.2
Good
11,042 reviews

Comfort

7.2

Boarding

7.5

Overall

7.2

Food

6.4

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,042 reviews
American Airlines
7.2
Good
11,042 reviews

Comfort

7.2

Boarding

7.5

Overall

7.2

Food

6.4

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 17h 22m. American Airlines provides one of the quickest options available for as low as $763. Monroe and Seattle are separated by a distance of 1886 mi.

  • 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 $455. This flight start at 24% 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.

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

    Currently, September is the cheapest month in which you can book a flight from Monroe to Seattle (average of $288). Flying from Monroe to Seattle in March is currently the most expensive (average of $622). 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
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
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Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$455Average$609FlexibilityNo cancel feeOn-time71%

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