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Cheap flights from Seattle to Colombo from $578

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 3/4. 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 Colombo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
10:15 am - 10:45 am
SEA
-
CMB
36h 00m
1 stop
Singapore Airlines Logo
12:50 am - 8:45 am
CMB
-
SEA
20h 25m
1 stop
$623Singapore Airlines
Tue, Apr 14 - Mon, May 25
Singapore Airlines Logo
10:15 am - 10:45 am
SEA
-
CMB
36h 00m
1 stop
Singapore Airlines Logo
12:50 am - 8:45 am
CMB
-
SEA
20h 25m
1 stop
$724Singapore Airlines
Tue, Apr 7 - Mon, May 11
Multiple Airlines Logo
6:59 pm - 10:45 am
SEA
-
CMB
27h 16m
2 stops
Multiple Airlines Logo
12:50 am - 8:45 am
CMB
-
SEA
20h 25m
1 stop
$830Multiple Airlines
Tue, Apr 14 - Mon, May 25
Multiple Airlines Logo
6:06 pm - 10:45 am
SEA
-
CMB
28h 09m
2 stops
Multiple Airlines Logo
11:45 am - 8:45 am
CMB
-
SEA
33h 30m
1 stop
$854Multiple Airlines
Thu, May 7 - Sat, Jun 6
Singapore Airlines Logo
10:15 am - 11:35 pm
SEA
-
CMB
24h 50m
1 stop
Singapore Airlines Logo
12:50 am - 8:45 am
CMB
-
SEA
20h 25m
1 stop
$864Singapore Airlines
Thu, Jul 9 - Sat, Jul 25
Multiple Airlines Logo
10:15 am - 10:45 am
SEA
-
CMB
36h 00m
1 stop
Multiple Airlines Logo
12:50 am - 2:42 pm
CMB
-
SEA
26h 22m
2 stops
$894Multiple Airlines
Tue, Apr 7 - Mon, May 11
Singapore Airlines Logo
9:45 am - 11:30 pm
SEA
-
CMB
25h 15m
1 stop
Singapore Airlines Logo
12:45 am - 8:10 am
CMB
-
SEA
43h 55m
1 stop
$925Singapore Airlines
Tue, Mar 10 - Tue, Mar 24
Multiple Airlines Logo
5:06 pm - 11:35 pm
SEA
-
CMB
41h 59m
2 stops
Multiple Airlines Logo
11:45 am - 8:45 am
CMB
-
SEA
33h 30m
1 stop
$926Multiple Airlines
Wed, Apr 22 - Mon, Jun 1
Multiple Airlines Logo
6:59 pm - 10:45 am
SEA
-
CMB
27h 16m
2 stops
Multiple Airlines Logo
12:50 am - 8:45 am
CMB
-
SEA
20h 25m
1 stop
$931Multiple Airlines
Tue, Apr 7 - Wed, May 6
Multiple Airlines Logo
6:58 pm - 10:45 am
SEA
-
CMB
27h 17m
2 stops
Multiple Airlines Logo
12:50 am - 8:45 am
CMB
-
SEA
20h 25m
1 stop
$946Multiple Airlines
Thu, Jul 9 - Sat, Jul 25

Singapore Airlines flights from Seattle to Colombo

Our best Singapore Airlines deals on Seattle to Colombo flight tickets
Singapore Airlines
Apr 14
SEA10:15 amSeattle/Tacoma Intl
36h 00m
1 stop
CMB10:45 amColombo Bandaranaike Intl
May 25
CMB12:50 amColombo Bandaranaike Intl
20h 25m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$623
Singapore Airlines
Apr 7
SEA10:15 amSeattle/Tacoma Intl
36h 00m
1 stop
CMB10:45 amColombo Bandaranaike Intl
May 11
CMB12:50 amColombo Bandaranaike Intl
20h 25m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$724
Singapore Airlines
Jul 9
SEA10:15 amSeattle/Tacoma Intl
24h 50m
1 stop
CMB11:35 pmColombo Bandaranaike Intl
Jul 25
CMB12:50 amColombo Bandaranaike Intl
20h 25m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$864

Cathay Pacific flights from Seattle to Colombo

Our best Cathay Pacific deals on Seattle to Colombo flight tickets
Cathay Pacific
Apr 8
SEA11:45 amSeattle/Tacoma Intl
23h 30m
1 stop
CMB11:45 pmColombo Bandaranaike Intl
Apr 21
CMB1:05 amColombo Bandaranaike Intl
21h 30m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$1,064
Cathay Pacific
Mar 18
SEA7:51 pmSeattle/Tacoma Intl
39h 09m
2 stops
CMB11:30 pmColombo Bandaranaike Intl
Mar 30
CMB1:05 amColombo Bandaranaike Intl
21h 30m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$1,080
Cathay Pacific
Mar 23
SEA6:25 amSeattle/Tacoma Intl
28h 35m
2 stops
CMB11:30 pmColombo Bandaranaike Intl
May 1
CMB1:05 amColombo Bandaranaike Intl
21h 30m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$1,104

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 January 23, 2026.
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

Tue 4/14

10:15 am-10:45 am

1 stop36h 00m

Colombo Bandaranaike Intl

Mon 5/25

12:50 am-8:45 am

1 stop20h 25m

$623

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 4/7

10:15 am-10:45 am

1 stop36h 00m

Colombo Bandaranaike Intl

Mon 5/11

12:50 am-8:45 am

1 stop20h 25m

$724

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 4/14

6:59 pm-10:45 am

2 stops27h 16m

Colombo Bandaranaike Intl

Mon 5/25

12:50 am-8:45 am

1 stop20h 25m

$830

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 5/7

6:06 pm-10:45 am

2 stops28h 09m

Colombo Bandaranaike Intl

Sat 6/6

11:45 am-8:45 am

1 stop33h 30m

$854

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 7/9

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Sat 7/25

12:50 am-8:45 am

1 stop20h 25m

$864

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 4/7

10:15 am-10:45 am

1 stop36h 00m

Colombo Bandaranaike Intl

Mon 5/11

12:50 am-2:42 pm

2 stops26h 22m

$894

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

$925

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 4/22

5:06 pm-11:35 pm

2 stops41h 59m

Colombo Bandaranaike Intl

Mon 6/1

11:45 am-8:45 am

1 stop33h 30m

$926

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 4/7

6:59 pm-10:45 am

2 stops27h 16m

Colombo Bandaranaike Intl

Wed 5/6

12:50 am-8:45 am

1 stop20h 25m

$931

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 7/9

6:58 pm-10:45 am

2 stops27h 17m

Colombo Bandaranaike Intl

Sat 7/25

12:50 am-8:45 am

1 stop20h 25m

$946

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 January is, on average, the cheapest month to fly to Colombo from Seattle, with most prices found around $792. If you are unable to visit Colombo during the month of January, then departing from Seattle during the month September is also very affordable. Most momondo users find prices during this month for around $942.

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 $1,176 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 $950 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
1,436 reviews
Search Singapore Airlines flights
China EasternPriceFrom $832Free CancellationRating
7.2
191 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom $938Free CancellationRating
7.3
4,202 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,028Free CancellationRating
7.4
3,724 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,178Free CancellationRating
8.1
3,485 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.

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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