HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Monrovia

$1,446+ Cheap flights from Seattle (SEA) to Monrovia (ROB)

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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ROB
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Monrovia 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 Seattle to Monrovia

Best flights from Seattle to Monrovia
Discover carefully curated flight deals from Seattle to Monrovia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2025.

This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:00 amSEA - ROB
3 stops26h 50mMultiple Airlines
Thu 5/2111:05 amROB - SEA
3 stops40h 38mMultiple Airlines
Deal found 12/20$1,446
This Ethiopian Air deal was found by Cheapflights users on 12/20. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:17 amSEA - ROB
2 stops46h 28mEthiopian Air
Mon 2/237:30 amROB - SEA
3 stops45h 26mEthiopian Air
Deal found 12/20$1,548
This Ovago deal was found by Cheapflights users on 12/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:48 amSEA - ROB
3 stops26h 02mBrussels Airlines
Wed 5/209:10 pmROB - SEA
2 stops30h 00mBrussels Airlines
Deal found 12/20$1,843
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:00 amSEA - ROB
3 stops28h 50mUnited Airlines
Wed 5/209:10 pmROB - SEA
3 stops32h 08mUnited Airlines
Deal found 12/20$1,910
This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2610:30 amSEA - ROB
3 stops24h 20mMultiple Airlines
Tue 5/197:30 amROB - SEA
3 stops33h 50mMultiple Airlines
Deal found 12/20$1,700
This Ovago deal was found by Cheapflights users on 12/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:00 amSEA - ROB
3 stops28h 50mBrussels Airlines
Fri 5/229:10 pmROB - SEA
2 stops28h 49mBrussels Airlines
Deal found 12/20$1,863
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:59 pmSEA - ROB
3 stops36h 51mUnited Airlines
Fri 5/229:10 pmROB - SEA
2 stops34h 35mUnited Airlines
Deal found 12/20$1,910
This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:30 amSEA - ROB
3 stops24h 20mMultiple Airlines
Tue 5/197:30 amROB - SEA
3 stops33h 50mMultiple Airlines
Deal found 12/20$1,745
This FlightHub deal was found by Cheapflights users on 12/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:00 amSEA - ROB
3 stops28h 50mMultiple Airlines
Wed 5/209:10 pmROB - SEA
2 stops29h 27mMultiple Airlines
Deal found 12/20$1,861

Find flight deals from Seattle to Monrovia

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Monrovia (ROB). 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 December 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,446
(KAYAK)
Provider with most accurate pricing for Seattle/Tacoma Intl-Monrovia Roberts Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Monrovia Roberts Intl flights.
Search Deals
From Seattle/Tacoma Intl to Monrovia Roberts Intl
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 December 22, 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

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Sun 4/26

8:00 am-5:50 pm

3 stops26h 50m

Monrovia Roberts Intl

Thu 5/21

11:05 am-8:43 pm

3 stops40h 38m

$1,446

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Thu 2/19

8:17 am-2:45 pm

2 stops46h 28m

Monrovia Roberts Intl

Mon 2/23

7:30 am-8:56 pm

3 stops45h 26m

$1,548

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Sun 4/26

10:30 am-5:50 pm

3 stops24h 20m

Monrovia Roberts Intl

Tue 5/19

7:30 am-10:20 am

3 stops33h 50m

$1,700

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Fri 4/24

10:30 am-5:50 pm

3 stops24h 20m

Monrovia Roberts Intl

Tue 5/19

7:30 am-10:20 am

3 stops33h 50m

$1,745

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Mon 4/27

10:48 am-7:50 pm

3 stops26h 02m

Monrovia Roberts Intl

Wed 5/20

9:10 pm-8:10 pm

2 stops30h 00m

$1,843

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Mon 4/27

8:00 am-7:50 pm

3 stops28h 50m

Monrovia Roberts Intl

Wed 5/20

9:10 pm-7:37 pm

2 stops29h 27m

$1,861

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Mon 4/27

8:00 am-7:50 pm

3 stops28h 50m

Monrovia Roberts Intl

Fri 5/22

9:10 pm-6:59 pm

2 stops28h 49m

$1,863

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Sat 4/25

8:00 am-7:50 pm

3 stops28h 50m

Monrovia Roberts Intl

Wed 5/20

9:10 pm-10:18 pm

3 stops32h 08m

$1,910

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Sun 4/26

11:59 pm-7:50 pm

3 stops36h 51m

Monrovia Roberts Intl

Fri 5/22

9:10 pm-12:45 am

2 stops34h 35m

$1,910

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Compare providers for flights from Seattle to Monrovia

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 Seattle to Monrovia in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 Seattle-Monrovia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Monrovia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Monrovia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Monrovia flights, Cheapflights users trust eDreams the most. eDreams 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 Seattle-Monrovia 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 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.

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 December 22, 2025.
Get a feel of what it's like to fly with Brussels Airlines from Seattle to Monrovia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Brussels Airlines
7.2
Good
375 reviews

Overall

7.2

Comfort

6.9

Crew

7.9

Boarding

7.3

Entertainment

6.1

Food

6.2

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine
Brussels Airlines
7.2
Good
375 reviews
Brussels Airlines
7.2
Good
375 reviews

Overall

7.2

Comfort

6.9

Crew

7.9

Boarding

7.3

Entertainment

6.1

Food

6.2

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine

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.

  • How long is the flight from Seattle to Monrovia?

    For as low as $1,548, Ethiopian Air can have you in Monrovia from Seattle in 46h 28m. The distance from Seattle to Monrovia is about 6895 mi.

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

    Our cheapest airline available from Seattle to Monrovia is Brussels Airlines. Our recent data shows that you can find tickets from as low as $1,498 on this airline.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Monrovia

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Monrovia flights

Top airline flying from Seattle to Monrovia

Discover the top airline 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 December 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,498Average$1,969FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.