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.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Monrovia as you normally would.

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.

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.

$778+ Flights from Seattle to Monrovia

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1. Tell us where you want to go

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Cheap flight deals from Seattle to Monrovia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars

Provider with most accurate pricing for Seattle/Tacoma Intl-Monrovia Roberts Intl flight deals.

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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Monrovia Roberts Intl flights.

Search Deals

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 January 8, 2026.

Fri 10/1610:10 pmSEA - ROB

2 stops33h 35mEthiopian Air

Tue 10/2011:05 amROB - SEA

3 stops40h 05mEthiopian Air

Deal found 1/5

$1,537

One-way flights from Seattle to Monrovia
Search for one-way flight options from Seattle to Monrovia. Find affordable one-way fares based on user searches. Data last updated January 8, 2026.

Wed 5/2011:59 pmSEA - ROB

2 stops21h 36mMultiple Airlines

Deal found 1/6

$778

Tue 5/1911:59 pmSEA - ROB

2 stops45h 36mMultiple Airlines

Deal found 1/6

$799

Mon 5/188:00 amSEA - ROB

2 stops37h 35mMultiple Airlines

Deal found 1/6

$851

Thu 5/2111:59 pmSEA - ROB

2 stops45h 36mMultiple Airlines

Deal found 1/6

$864

Fri 5/228:00 amSEA - ROB

2 stops37h 35mMultiple Airlines

Deal found 1/6

$895

Sun 5/178:00 amSEA - ROB

3 stops43h 45mMultiple Airlines

Deal found 1/6

$897

Sat 5/237:10 pmSEA - ROB

2 stops36h 05mTurkish Airlines

Deal found 1/6

$1,077

Sun 5/177:20 amSEA - ROB

2 stops27h 20mDelta

Deal found 1/6

$1,161

Fly from

Fly to

Route

Depart

Return

Price

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Wed 5/20

11:59 pm-4:35 am

2 stops21h 36m

$778

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Tue 5/19

11:59 pm-4:35 am

2 stops45h 36m

$799

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Mon 5/18

8:00 am-4:35 am

2 stops37h 35m

$851

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Thu 5/21

11:59 pm-4:35 am

2 stops45h 36m

$864

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Fri 5/22

8:00 am-4:35 am

2 stops37h 35m

$895

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Sat 5/23

7:10 pm-2:15 pm

2 stops36h 05m

$1,077

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Sun 5/17

7:20 am-5:40 pm

2 stops27h 20m

$1,161

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Sat 5/23

9:40 pm-5:50 pm

3 stops37h 10m

$1,202

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Compare providers for flights from Seattle to Monrovia

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Monrovia in January.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust 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 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

380 reviews

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

380 reviews

Brussels Airlines

7.2

Good

380 reviews

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

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

Alternative routes for Seattle to Monrovia

Portland to Monrovia flights

Top airline flying from Seattle to Monrovia

Airline	Cheapest	Average	Flexibility	On-time
Brussels Airlines	Cheapest$1,498	Average$1,969	FlexibilityNo cancel fee	On-timeN/A

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$778+ Cheap flights from Seattle (SEA) to Monrovia (ROB)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Monrovia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Monrovia

Most accurate provider

Most trusted provider

Find flight deals from Seattle to Monrovia

Cheapest flights from Seattle to MonroviaExplore 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 January 8, 2026.

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 January 8, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Monrovia that are best for you.

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 January.

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.

Reviews of airlines servicing Monrovia

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.

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

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

How can I find direct flights from Seattle to Monrovia?

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

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.

Top airline flying from Seattle to Monrovia

100% Free

Book with Flexibility

Travel Smart

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 January 8, 2026.