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Cheap flights from Seattle to Colombo from $538

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Colombo 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.
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0 bags

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Find the cheapest flights from Seattle to Colombo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
9:45 am - 11:30 pm
SEA
-
CMB
25h 15m1 stop
Singapore Airlines Logo
12:45 am - 8:45 am
CMB
-
SEA
20h 30m1 stop
$843Singapore Airlines
Sat, Mar 21 - Sat, Mar 28
Singapore Airlines Logo
8:45 am - 10:45 am
SEA
-
CMB
36h 30m1 stop
Singapore Airlines Logo
12:50 am - 8:45 am
CMB
-
SEA
20h 25m1 stop
$864Singapore Airlines
Sun, Mar 1 - Sat, Jun 6
Singapore Airlines Logo
9:45 am - 11:30 pm
SEA
-
CMB
25h 15m1 stop
Singapore Airlines Logo
12:45 am - 8:10 am
CMB
-
SEA
43h 55m1 stop
$920Singapore Airlines
Tue, Mar 10 - Tue, Mar 24
Singapore Airlines Logo
8:45 am - 10:45 am
SEA
-
CMB
36h 30m1 stop
Singapore Airlines Logo
12:45 am - 8:10 am
CMB
-
SEA
19h 55m1 stop
$925Singapore Airlines
Sun, Mar 1 - Fri, Mar 13
China Eastern Logo
7:15 am - 7:00 pm
SEA
-
CMB
47h 15m2 stops
China Eastern Logo
8:30 pm - 5:09 pm
CMB
-
SEA
33h 09m2 stops
$961China Eastern
Sat, Mar 21 - Sun, Mar 29
Multiple Airlines Logo
9:45 am - 11:30 pm
SEA
-
CMB
25h 15m1 stop
Multiple Airlines Logo
12:45 am - 6:47 pm
CMB
-
SEA
30h 32m3 stops
$962Multiple Airlines
Tue, Mar 10 - Tue, Mar 24
Multiple Airlines Logo
9:45 am - 10:45 am
SEA
-
CMB
36h 30m1 stop
Multiple Airlines Logo
12:45 am - 6:47 pm
CMB
-
SEA
30h 32m3 stops
$963Multiple Airlines
Tue, Mar 10 - Tue, Mar 24
Multiple Airlines Logo
9:45 am - 11:30 pm
SEA
-
CMB
25h 15m1 stop
Multiple Airlines Logo
12:45 am - 7:59 pm
CMB
-
SEA
31h 44m2 stops
$967Multiple Airlines
Tue, Mar 10 - Tue, Mar 24
Multiple Airlines Logo
8:45 am - 11:30 pm
SEA
-
CMB
25h 15m1 stop
Multiple Airlines Logo
11:00 pm - 7:40 pm
CMB
-
SEA
33h 10m2 stops
$998Multiple Airlines
Sun, Mar 1 - Sat, Mar 14
Singapore Airlines Logo
8:45 am - 10:45 am
SEA
-
CMB
36h 30m1 stop
Singapore Airlines Logo
12:45 am - 7:10 am
CMB
-
SEA
19h 55m1 stop
$1,004Singapore Airlines
Sun, Feb 1 - Fri, Feb 6

Singapore Airlines flights from Seattle to Colombo

Our best Singapore Airlines deals on Seattle to Colombo flight tickets
Singapore Airlines
Mar 21
SEA9:45 amSeattle/Tacoma Intl
25h 15m
1 stop
CMB11:30 pmColombo Bandaranaike Intl
Mar 28
CMB12:45 amColombo Bandaranaike Intl
20h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$843
Find similar
Singapore Airlines
Mar 1
SEA8:45 amSeattle/Tacoma Intl
36h 30m
1 stop
CMB10:45 amColombo Bandaranaike Intl
Jun 6
CMB12:50 amColombo Bandaranaike Intl
20h 25m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$864
Find similar
Singapore Airlines
Mar 10
SEA9:45 amSeattle/Tacoma Intl
25h 15m
1 stop
CMB11:30 pmColombo Bandaranaike Intl
Mar 24
CMB12:45 amColombo Bandaranaike Intl
43h 55m
1 stop
SEA8:10 amSeattle/Tacoma Intl
$920
Find similar

China Eastern flights from Seattle to Colombo

Our best China Eastern deals on Seattle to Colombo flight tickets
China Eastern
Mar 21
SEA7:15 amSeattle/Tacoma Intl
47h 15m
2 stops
CMB7:00 pmColombo Bandaranaike Intl
Mar 29
CMB8:30 pmColombo Bandaranaike Intl
33h 09m
2 stops
SEA5:09 pmSeattle/Tacoma Intl
$961
Find similar
China Eastern
Jan 22
SEA7:15 amSeattle/Tacoma Intl
46h 15m
2 stops
CMB7:00 pmColombo Bandaranaike Intl
Jan 29
CMB8:20 pmColombo Bandaranaike Intl
32h 04m
2 stops
SEA2:54 pmSeattle/Tacoma Intl
$1,044
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Colombo 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 Colombo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 3/21

9:45 am-11:30 pm

1 stop25h 15m

Colombo Bandaranaike Intl

Sat 3/28

12:45 am-8:45 am

1 stop20h 30m

$843

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 3/1

8:45 am-10:45 am

1 stop36h 30m

Colombo Bandaranaike Intl

Sat 6/6

12:50 am-8:45 am

1 stop20h 25m

$864

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 3/10

9:45 am-11:30 pm

1 stop25h 15m

Colombo Bandaranaike Intl

Tue 3/24

12:45 am-8:10 am

1 stop43h 55m

$920

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 3/1

8:45 am-10:45 am

1 stop36h 30m

Colombo Bandaranaike Intl

Fri 3/13

12:45 am-8:10 am

1 stop19h 55m

$925

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 3/21

7:15 am-7:00 pm

2 stops47h 15m

Colombo Bandaranaike Intl

Sun 3/29

8:30 pm-5:09 pm

2 stops33h 09m

$961

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 3/10

9:45 am-11:30 pm

1 stop25h 15m

Colombo Bandaranaike Intl

Tue 3/24

12:45 am-6:47 pm

3 stops30h 32m

$962

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 3/10

9:45 am-10:45 am

1 stop36h 30m

Colombo Bandaranaike Intl

Tue 3/24

12:45 am-6:47 pm

3 stops30h 32m

$963

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 3/10

9:45 am-11:30 pm

1 stop25h 15m

Colombo Bandaranaike Intl

Tue 3/24

12:45 am-7:59 pm

2 stops31h 44m

$967

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 3/1

8:45 am-11:30 pm

1 stop25h 15m

Colombo Bandaranaike Intl

Sat 3/14

11:00 pm-7:40 pm

2 stops33h 10m

$998

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 2/1

8:45 am-10:45 am

1 stop36h 30m

Colombo Bandaranaike Intl

Fri 2/6

12:45 am-7:10 am

1 stop19h 55m

$1,004

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Colombo from

How to get the cheapest flight ticket from Seattle to Colombo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Colombo?

The month of September is, on average, the cheapest month to fly to Colombo from Seattle, with most prices found around $945. If you are unable to visit Colombo during the month of September, then departing from Seattle during the month October is also very affordable. Most momondo users find prices during this month for around $960.

What is the cheapest day to depart on your flight to Colombo?

The cheapest day to depart from Seattle to Colombo is on a Sunday. Travelers who choose to depart for Colombo on a Sunday will often find tickets for as low as $1,299. The most expensive day to fly to Colombo is Monday, with ticket prices averaging around $1,513.

What is the cheapest time of day to depart on your flight to Colombo?

Our most recent data shows that the best time of day to fly to Colombo is at noon. Flights from Seattle to Colombo during this time can be as low as $1,021. Flights to Colombo are more costly in the afternoon, with an average ticket price of $1,384. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Colombo?

You are more likely to see cheaper flights to Colombo from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Colombo for around $1,222 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colombo from Seattle for as low as $825 on momondo.

Cheap Seattle to Colombo flight deals and tips

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

Fastest flight time

20h 20m

Direct flights

None
The fastest flight from Seattle to Colombo takes 20h 20m
There are no direct flights from Seattle to Colombo. There are no popular flight routes from Seattle to Colombo.
Search flight deals

  • How far is Seattle/Tacoma Intl to Colombo by plane?

    The straight-line distance from Seattle/Tacoma Intl to Colombo is 8426.3 mi. In terms of flight time, this usually takes a little over 20h 20m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Colombo are refreshed on a daily basis.

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

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

    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 Colombo.

  • What documentation or ID do you need to fly to Colombo?

    The travel and health documents you'll need for your trip to Colombo may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colombo. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Colombo

Compare and see reviews for airlines that fly from Seattle to Colombo with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $696Free CancellationRating
8.1
1,411 reviews
Search Singapore Airlines flights
China EasternPriceFrom $832Free CancellationRating
7.2
178 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom $945Free CancellationRating
7.3
4,084 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,110Free CancellationRating
7.4
3,676 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,178Free CancellationRating
8.1
3,432 reviews
Search Emirates flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Colombo. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Colombo from Seattle with this policy.

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

Once you have performed a search for Seattle to Colombo flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Colombo from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Colombo trip

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Find better results for your trip to Sri Lanka

Fly into one of these airports located in Colombo

Airports listed have a maximum distance of 17.4 mi from Colombo
Colombo Bandaranaike Intl Airport
Colombo Diyawanna Oya Seaplane Base Airport