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Cheap flights from Seattle to Monrovia from $1,604

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Monrovia departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Monrovia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:43 pm - 6:45 pm
SEA
-
ROB
46h 02m3 stops
United Airlines Logo
10:45 pm - 8:56 pm
ROB
-
SEA
30h 11m2 stops
$1,604United Airlines
Wed, Feb 25 - Sun, Mar 1
Ethiopian Air Logo
8:17 am - 5:50 pm
SEA
-
ROB
25h 33m3 stops
Ethiopian Air Logo
11:05 am - 8:56 pm
ROB
-
SEA
41h 51m3 stops
$1,693Ethiopian Air
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
7:00 am - 9:15 pm
SEA
-
ROB
30h 15m3 stops
United Airlines Logo
8:05 pm - 8:56 pm
ROB
-
SEA
32h 51m3 stops
$2,059United Airlines
Mon, Feb 9 - Fri, Feb 13
United Airlines Logo
11:59 pm - 6:45 pm
SEA
-
ROB
34h 46m2 stops
United Airlines Logo
10:45 pm - 8:56 pm
ROB
-
SEA
30h 11m2 stops
$3,334United Airlines
Wed, Feb 25 - Sun, Mar 1

United Airlines flights from Seattle to Monrovia

Our best United Airlines deals on Seattle to Monrovia flight tickets
United Airlines
Feb 25
SEA12:43 pmSeattle/Tacoma Intl
46h 02m
3 stops
ROB6:45 pmMonrovia Roberts Intl
Mar 1
ROB10:45 pmMonrovia Roberts Intl
30h 11m
2 stops
SEA8:56 pmSeattle/Tacoma Intl
$1,604
Find similar
United Airlines
Feb 9
SEA7:00 amSeattle/Tacoma Intl
30h 15m
3 stops
ROB9:15 pmMonrovia Roberts Intl
Feb 13
ROB8:05 pmMonrovia Roberts Intl
32h 51m
3 stops
SEA8:56 pmSeattle/Tacoma Intl
$2,059
Find similar
United Airlines
Feb 25
SEA11:59 pmSeattle/Tacoma Intl
34h 46m
2 stops
ROB6:45 pmMonrovia Roberts Intl
Mar 1
ROB10:45 pmMonrovia Roberts Intl
30h 11m
2 stops
SEA8:56 pmSeattle/Tacoma Intl
$3,334
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from Seattle to Monrovia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Wed 2/25

12:43 pm-6:45 pm

3 stops46h 02m

Monrovia Roberts Intl

Sun 3/1

10:45 pm-8:56 pm

2 stops30h 11m

$1,604

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Wed 2/25

8:17 am-5:50 pm

3 stops25h 33m

Monrovia Roberts Intl

Sun 3/1

11:05 am-8:56 pm

3 stops41h 51m

$1,693

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Mon 2/9

7:00 am-9:15 pm

3 stops30h 15m

Monrovia Roberts Intl

Fri 2/13

8:05 pm-8:56 pm

3 stops32h 51m

$2,059

SeattleMonrovia

SEA - ROB

SEAROB

Seattle/Tacoma Intl

Wed 2/25

11:59 pm-6:45 pm

2 stops34h 46m

Monrovia Roberts Intl

Sun 3/1

10:45 pm-8:56 pm

2 stops30h 11m

$3,334

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Seattle to Monrovia

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Monrovia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Monrovia (SEA to ROB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Monrovia

Fastest flight time

30h 15m

Direct flights

None
The fastest flight from Seattle to Monrovia takes 30h 15m
There are no direct flights from Seattle to Monrovia. There are no popular flight routes from Seattle to Monrovia.
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  • How far is Seattle/Tacoma Intl to Monrovia Roberts Intl by plane?

    A flight from Seattle/Tacoma Intl to Monrovia Roberts Intl will travel around 6869.8 mi. Flights usually cover this in 25h 33m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Monrovia Roberts Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Monrovia Roberts Intl Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Monrovia Roberts Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Monrovia Roberts Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Monrovia Roberts Intl Airport.

  • What documentation or ID do you need to fly to Monrovia Roberts Intl Airport?

    The required travel and health documents for your Monrovia Roberts Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Monrovia Roberts Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Seattle to Monrovia?

Best airlines flying from Seattle to Monrovia

Compare and see reviews for airlines that fly from Seattle to Monrovia with momondo
Airline
Rating
Free Cancellation
Price
Brussels AirlinesPriceFrom $1,498Free CancellationRating
7.2
375 reviews
Search Brussels Airlines flights

  • How do I get Price Alerts for flights from Seattle to Monrovia?

    Confirm your travel details to search for the latest offers for flights from Seattle to Monrovia. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Seattle to Monrovia with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Monrovia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Monrovia. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Monrovia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Monrovia flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Monrovia?

Once all potential Seattle to Monrovia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Monrovia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Monrovia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Monrovia and let you know when they change.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Brussels Airlines