$468+ Cheap flights from Monroe to Seattle (MLU - SEA)
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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — SEA
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Monroe to Seattle 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 Monroe to Seattle
Cheapest
Best
Last-minute
Cheapest flights from Monroe to SeattleExplore 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 September 7, 2026.
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 September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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 11/1010:08 am -
1 stop8h 46m
Sun 11/1512:47 pm -
1 stop7h 49m
Deal found 9/4![American Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 9/4. 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.
Tue 11/106:00 am -
1 stop10h 32m
Sun 11/1511:15 pm -
2 stops11h 05m
Deal found 9/4![Delta logo]()
$560
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/1710:17 am -
1 stop6h 34m
Mon 9/217:51 am -
1 stop8h 23m
Deal found 9/3![American Airlines logo]()
$755
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/66:48 pm -
1 stop16h 45m
Fri 10/95:41 pm -
1 stop14h 03m
Deal found 9/2![American Airlines logo]()
$769
This Delta deal was found by Cheapflights users on 9/2. 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.
Tue 10/61:05 pm -
2 stops12h 54m
Fri 10/96:00 am -
1 stop9h 14m
Deal found 9/2![Delta logo]()
$820
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/256:00 am -
2 stops9h 47m
Mon 10/2611:44 am -
2 stops8h 52m
Deal found 9/2![American Airlines logo]()
$865
Best flights from Monroe to SeattleDiscover carefully curated flight deals from Monroe to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Monroe to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Delta deal was found by Cheapflights users on 9/4. 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 1/812:40 pm -
2 stops11h 25m
Sat 1/1611:50 am -
1 stop8h 20m
Deal found 9/4![Delta logo]()
$494
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/1710:17 am -
2 stops9h 17m
Mon 9/217:51 am -
1 stop8h 23m
Deal found 9/3![American Airlines logo]()
$808
This Delta deal was found by Cheapflights users on 9/4. 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.
Tue 11/106:00 am -
2 stops14h 41m
Sun 11/1511:15 pm -
2 stops11h 05m
Deal found 9/4![Delta logo]()
$565
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/2510:14 am -
1 stop8h 34m
Mon 10/262:26 pm -
1 stop6h 10m
Deal found 9/2![American Airlines logo]()
$814
This Delta deal was found by Cheapflights users on 9/2. 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.
Sun 10/251:05 pm -
1 stop10h 58m
Mon 10/2611:10 pm -
2 stops11h 10m
Deal found 9/2![Delta logo]()
$820
This Delta deal was found by Cheapflights users on 9/2. 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.
Tue 10/61:05 pm -
2 stops12h 54m
Fri 10/96:00 am -
1 stop9h 14m
Deal found 9/2![Delta logo]()
$820
Last-minute flights from Monroe to SeattleDiscover last-minute flight deals from Monroe to Seattle. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Monroe to Seattle. Data last updated September 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/810:18 am -
1 stop8h 23m
Thu 9/1011:59 pm -
1 stop7h 45m
Deal found 9/4![American Airlines logo]()
$919
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/1710:17 am -
1 stop6h 34m
Mon 9/217:51 am -
1 stop8h 23m
Deal found 9/3![American Airlines logo]()
$755
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/66:48 pm -
1 stop16h 45m
Fri 10/95:41 pm -
1 stop14h 03m
Deal found 9/2![American Airlines logo]()
$769
This Delta deal was found by Cheapflights users on 9/2. 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.
Tue 10/61:05 pm -
2 stops12h 54m
Fri 10/96:00 am -
1 stop9h 14m
Deal found 9/2![Delta logo]()
$820
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/256:00 am -
2 stops9h 47m
Mon 10/2611:44 am -
2 stops8h 52m
Deal found 9/2![American Airlines logo]()
$865
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $468 (American Airlines) |
One-way from | $427 (American Airlines) |
Popular in | February |
Cheapest in | April |
Average price | $540 |
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 7,457,451 searches. Data last updated September 7, 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
Cheapest round-trip
MonroeSeattle
MLU Monroe Huenefeld - SEA Seattle/Tacoma Intl
MLUSEA
Monroe Huenefeld
Fri 1/8
12:40 pm-10:05 pm
2 stops11h 25m
Seattle/Tacoma Intl
Sat 1/16
11:50 am-10:10 pm
1 stop8h 20m
$494
MonroeSeattle
MLU Monroe Huenefeld - SEA Seattle/Tacoma Intl
MLUSEA
Monroe Huenefeld
Tue 11/10
6:00 am-6:41 pm
2 stops14h 41m
Seattle/Tacoma Intl
Sun 11/15
11:15 pm-12:20 pm
2 stops11h 05m
$565
MonroeSeattle
MLU Monroe Huenefeld - SEA Seattle/Tacoma Intl
MLUSEA
Monroe Huenefeld
Thu 9/17
10:17 am-5:34 pm
2 stops9h 17m
Seattle/Tacoma Intl
Mon 9/21
7:51 am-6:14 pm
1 stop8h 23m
$808
Quickest round-trip
MonroeSeattle
MLU Monroe Huenefeld - SEA Seattle/Tacoma Intl
MLUSEA
Monroe Huenefeld
Sun 10/25
10:14 am-4:48 pm
1 stop8h 34m
Seattle/Tacoma Intl
Mon 10/26
2:26 pm-10:36 pm
1 stop6h 10m
$814
MonroeSeattle
MLU Monroe Huenefeld - SEA Seattle/Tacoma Intl
MLUSEA
Monroe Huenefeld
Sun 10/25
1:05 pm-10:03 pm
1 stop10h 58m
Seattle/Tacoma Intl
Mon 10/26
11:10 pm-12:20 pm
2 stops11h 10m
$820
MonroeSeattle
MLU Monroe Huenefeld - SEA Seattle/Tacoma Intl
MLUSEA
Monroe Huenefeld
Tue 10/6
1:05 pm-11:59 pm
2 stops12h 54m
Seattle/Tacoma Intl
Fri 10/9
6:00 am-5:14 pm
1 stop9h 14m
$820
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
MLU-SEA
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
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 September 7, 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.
Boarding
7.5
Overall
7.1
Food
6.4
Comfort
7.2
Entertainment
6.8
Crew
7.9
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Boarding
7.5
Overall
7.1
Food
6.4
Comfort
7.2
Entertainment
6.8
Crew
7.9
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
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Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
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Marysville
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Fife
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Monroe and Seattle flights
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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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$469 | FlexibilityNo cancel fee | On-time71% |