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Monrovia

$74+ Cheap flights from Seattle (SEA) to Monrovia, CA, CA

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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Monrovia are usually found in January or March, booked 63 days in advance, depart on a Friday or Thursday and return on a Friday

Find flight deals from Seattle to Monrovia

Cheapest flights from Seattle to Monrovia
Explore the most affordable flight options available from Seattle to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This CheapOair deal was found by Cheapflights users on 11/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1612:58 pmSEA - LAX
1 stop20h 28mFrontier
Sat 1/312:44 pmLAX - SEA
1 stop22h 00mFrontier
Deal found 11/3$128
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:17 pmSEA - LAX
2 stops12h 57mMultiple Airlines
Sat 12/610:24 amLAX - SEA
Nonstop3h 06mMultiple Airlines
Deal found 11/1$129
This CheapOair deal was found by Cheapflights users on 11/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/132:25 pmSEA - LAX
Nonstop2h 45mFrontier
Fri 12/269:36 pmLAX - SEA
Nonstop3h 06mFrontier
Deal found 11/2$130
This Frontier deal was found by Cheapflights users on 11/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:43 amSEA - LAX
1 stop8h 10mFrontier
Sun 12/710:24 amLAX - SEA
Nonstop3h 06mFrontier
Deal found 11/1$131
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:43 amSEA - LAX
1 stop8h 10mFrontier
Thu 12/43:30 pmLAX - SEA
1 stop18h 36mFrontier
Deal found 11/3$132
This Frontier deal was found by Cheapflights users on 11/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:03 amSEA - LAX
Nonstop2h 49mFrontier
Sat 12/610:24 amLAX - SEA
Nonstop3h 06mFrontier
Deal found 11/1$133
This Frontier deal was found by Cheapflights users on 11/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/213:22 pmSEA - LAX
Nonstop2h 45mFrontier
Thu 12/410:24 amLAX - SEA
Nonstop3h 06mFrontier
Deal found 11/1$134
This Priceline deal was found by Cheapflights users on 11/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:25 pmSEA - LAX
Nonstop2h 45mFrontier
Sun 12/1410:24 amLAX - SEA
Nonstop3h 06mFrontier
Deal found 11/2$135
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:17 pmSEA - LAX
2 stops12h 57mMultiple Airlines
Fri 11/2111:40 amLAX - SEA
Nonstop2h 57mMultiple Airlines
Deal found 10/31$136
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/213:22 pmSEA - LAX
Nonstop2h 45mFrontier
Fri 11/2811:40 amLAX - SEA
Nonstop2h 57mFrontier
Deal found 11/2$137
This CheapOair deal was found by Cheapflights users on 11/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:40 pmSEA - LAX
1 stop8h 49mFrontier
Sun 12/76:40 amLAX - SEA
1 stop29h 13mFrontier
Deal found 11/2$138
This CheapOair deal was found by Cheapflights users on 11/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:08 amSEA - LAX
Nonstop2h 49mFrontier
Tue 11/187:00 amLAX - SEA
1 stop29h 07mFrontier
Deal found 11/2$139

Cheap flight deals from Seattle to Monrovia

Keep the following information in mind while searching for Seattle to Monrovia flight deals. Data was last updated November 3, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$128
(CheapOair)

One-way from

$74
(Frontier)

Popular in

December

Cheapest in

January

Average price

$249
Provider with most accurate pricing for Seattle/Tacoma Intl-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Los Angeles flights.
Search Deals
From Seattle/Tacoma Intl to Monrovia
Search Deals
One-way flight from Seattle/Tacoma Intl to Monrovia
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Monrovia 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 November 3, 2025.
Use the filters below to find and compare flights from Seattle to Monrovia that are best for you.

Fly from

Seattle

Fly to

Monrovia

Route

Depart

Return

Price

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 1/24

6:25 am-10:40 am

1 stop4h 15m

Los Angeles

Wed 1/28

2:30 pm-6:35 pm

1 stop4h 05m

$154

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 12/10

7:10 am-10:05 am

Nonstop2h 55m

Los Angeles

Wed 12/17

11:40 am-2:44 pm

Nonstop3h 04m

$157

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 12/17

10:25 am-1:15 pm

Nonstop2h 50m

Los Angeles

Wed 12/24

7:55 pm-10:54 pm

Nonstop2h 59m

$157

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 12/2

8:20 pm-11:13 pm

Nonstop2h 53m

Los Angeles

Fri 12/12

11:40 am-2:44 pm

Nonstop3h 04m

$167

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sun 11/23

10:19 am-1:06 pm

Nonstop2h 47m

Los Angeles

Tue 12/2

5:54 pm-8:50 pm

Nonstop2h 56m

$167

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 12/2

5:59 pm-8:43 pm

Nonstop2h 44m

Los Angeles

Thu 12/11

7:55 pm-10:54 pm

Nonstop2h 59m

$167

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 1/28

11:20 am-3:15 pm

1 stop3h 55m

Los Angeles

Sun 2/1

5:00 am-1:30 pm

1 stop8h 30m

$173

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 1/13

4:00 pm-8:17 pm

1 stop4h 17m

Los Angeles

Sat 1/17

11:06 am-3:38 pm

1 stop4h 32m

$176

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 12/12

7:10 am-10:05 am

Nonstop2h 55m

Los Angeles

Mon 12/15

7:40 am-10:45 am

Nonstop3h 05m

$177

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sun 12/7

12:48 pm-7:42 am

1 stop18h 54m

$75

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 19 results
1
2

Best time to book a flight from Seattle to Monrovia

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

How far ahead should I book a flight from Seattle to Monrovia?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Monrovia. Price data was last updated on October 31, 2025.

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Monrovia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Monrovia (average of $38). Flying from Seattle to Monrovia in July is currently the most expensive (average of $119). 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.

What is the cheapest time of day to fly from SEA to MR9?

Find hourly flight availability from Seattle to Monrovia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

It’s optimal to fly from Seattle to Monrovia in the evening. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Seattle to Monrovia?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Monrovia. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Seattle to Monrovia flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Monrovia

Explore weekly flight availability from Seattle to Monrovia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 3, 2025.

The most flights from SEA to MR9 are scheduled on a Monday (106 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (60 on average).

Reviews of airlines servicing Monrovia

Get insights into the airlines that provide service to Monrovia. 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 Monrovia. Reviews last updated November 3, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Seattle to Monrovia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,235 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,235 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
7.9
Good
8,001 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
8,996 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Spirit Airlines
6.3
Okay
8,114 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Frontier
5.8
Fair
3,117 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Monrovia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Monrovia?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Monrovia. 8 airlines have flights from Seattle/Tacoma Intl to Monrovia on a regular basis. Booking flights from Seattle/Tacoma Intl to Monrovia should not be difficult; the airport handles an average of 80 outbound flights to Monrovia per day.

  • How popular is this Seattle to Monrovia flight route?

    Flights from Seattle/Tacoma Intl to Monrovia have been viewed 316 times in the past calendar month.

  • How long is the flight from Seattle to Monrovia?

    For as low as $157, Southwest can have you in Monrovia from Seattle in 2h 55m. The distance from Seattle to Monrovia is about 954 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Seattle to Monrovia one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $75. However, be on the lookout for offers from Southwest and Alaska Airlines, as they are both options that can get you from Seattle to Monrovia for a low price.

  • What are the most reliable airlines from Seattle to Monrovia?

    Before booking your flight to Monrovia from Seattle, check out the most reliable airlines to get you to your destination on time: SAUDIA (100%), Air China (97%), ITA Airways( 97%).

  • What are the cheapest flights from Seattle to Monrovia?

    The cheapest flight price from Seattle to Monrovia is $66. On average you can expect to pay $874. The most popular route, (Seattle/Tacoma Intl - Los Angeles), can usually be booked for $97.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Monrovia 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 Seattle to Monrovia?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Monrovia (average of $38). Flying from Seattle to Monrovia in July is currently the most expensive (average of $119). 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.

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Top 8 airlines flying from Seattle to Monrovia

Discover the top 8 airlines that operate flights from Seattle to Monrovia. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$160FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$76Average$169FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$98Average$262FlexibilityNo cancel feeOn-time85%
DeltaCheapest$118Average$255FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$130Average$258FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$147Average$279FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$155Average$270FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$177Average$310FlexibilityNo cancel feeOn-time71%

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