What is the cheapest airline that flies from Seattle/Tacoma Intl to Colombo?

Singapore Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Colombo

What airlines fly to Colombo?

Singapore Airlines, Qatar Airways and Cathay Pacific are the top three most popular airlines that fly to Colombo from Seattle according to our data. Singapore Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Colombo. Keep in mind that there are 5 different airlines that fly to Colombo on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Colombo is 5 as of September 2026.

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.

$371 Cheap Flights from Seattle to Colombo in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Colombo

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8:40 am - 11:30 pmSEA Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl

25h 20m1 stop Singapore Changi

12:45 am - 7:05 amCMB Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl

19h 50m1 stop Singapore Changi

$838Singapore Airlines

Sun, Jan 17 - Mon, Feb 1

10:15 am - 10:35 amSEA Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl

35h 50m1 stop Singapore Changi

12:50 am - 8:45 amCMB Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl

20h 25m1 stop Singapore Changi

$930Singapore Airlines

Fri, Oct 9 - Fri, Oct 23

8:40 am - 11:30 pmSEA Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl

25h 20m1 stop Singapore Changi

12:45 am - 4:26 pmCMB Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl

29h 11m2 stops Singapore Changi San Francisco

$1,034Multiple Airlines

Sun, Jan 17 - Mon, Feb 1

8:40 am - 11:30 pmSEA Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl

25h 20m1 stop Singapore Changi

12:45 am - 4:26 pmCMB Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl

29h 11m2 stops Singapore Changi San Francisco

$1,035Multiple Airlines

Sun, Jan 17 - Mon, Feb 1

4:25 pm - 3:05 amSEA Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl

22h 10m1 stop Doha Hamad Intl

6:50 pm - 12:40 pmCMB Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl

30h 20m1 stop Doha Hamad Intl

$1,154Qatar Airways

Mon, Oct 19 - Mon, Oct 26

4:25 pm - 3:05 amSEA Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl

22h 10m1 stop Doha Hamad Intl

4:35 am - 12:40 pmCMB Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl

20h 35m1 stop Doha Hamad Intl

$1,203Qatar Airways

Thu, Oct 8 - Sun, Oct 25

4:05 pm - 6:25 pmSEA Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl

36h 50m2 stops Dubai Intl Male

8:15 pm - 12:35 pmCMB Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl

29h 50m2 stops Male Dubai Intl

$1,248Emirates

Sun, Nov 1 - Thu, Nov 5

4:05 pm - 10:15 amSEA Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl

28h 40m2 stops Dubai Intl Male

9:50 pm - 12:35 pmCMB Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl

28h 15m1 stop Dubai Intl

$1,248Emirates

Sun, Nov 1 - Thu, Nov 5

10:25 am - 11:25 pmSEA Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl

23h 30m1 stop Hong Kong Intl

12:45 am - 2:40 pmCMB Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl

27h 25m2 stops Hong Kong Intl Vancouver Intl

$2,670Cathay Pacific

Mon, Dec 14 - Wed, Dec 30

10:25 am - 11:25 pmSEA Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl

23h 30m1 stop Hong Kong Intl

12:45 am - 8:45 amCMB Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Hong Kong Intl

$2,705Cathay Pacific

Tue, Dec 15 - Tue, Dec 29

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Singapore Airlines flights from Seattle to Colombo

Our best Singapore Airlines deals on Seattle to Colombo flight tickets

Singapore Airlines

Jan 17

SEA8:40 amSeattle/Tacoma Intl

25h 20m

1 stop

CMB11:30 pmColombo Bandaranaike Intl

Feb 1

CMB12:45 amColombo Bandaranaike Intl

19h 50m

1 stop

SEA7:05 amSeattle/Tacoma Intl

$838

Singapore Airlines

Oct 9

SEA10:15 amSeattle/Tacoma Intl

35h 50m

1 stop

CMB10:35 amColombo Bandaranaike Intl

Oct 23

CMB12:50 amColombo Bandaranaike Intl

20h 25m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$930

Singapore Airlines

Oct 20

SEA10:15 amSeattle/Tacoma Intl

24h 50m

1 stop

CMB11:35 pmColombo Bandaranaike Intl

Nov 4

CMB12:45 amColombo Bandaranaike Intl

43h 50m

1 stop

SEA7:05 amSeattle/Tacoma Intl

$1,030

Qatar Airways flights from Seattle to Colombo

Our best Qatar Airways deals on Seattle to Colombo flight tickets

Qatar Airways

Oct 19

SEA4:25 pmSeattle/Tacoma Intl

22h 10m

1 stop

CMB3:05 amColombo Bandaranaike Intl

Oct 26

CMB6:50 pmColombo Bandaranaike Intl

30h 20m

1 stop

SEA12:40 pmSeattle/Tacoma Intl

$1,154

Qatar Airways

Oct 8

SEA4:25 pmSeattle/Tacoma Intl

22h 10m

1 stop

CMB3:05 amColombo Bandaranaike Intl

Oct 25

CMB4:35 amColombo Bandaranaike Intl

20h 35m

1 stop

SEA12:40 pmSeattle/Tacoma Intl

$1,203

Qatar Airways

Sep 22

SEA10:47 amSeattle/Tacoma Intl

27h 48m

2 stops

CMB3:05 amColombo Bandaranaike Intl

Oct 21

CMB3:35 amColombo Bandaranaike Intl

30h 20m

2 stops

SEA9:25 pmSeattle/Tacoma Intl

$1,205

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 1/17

8:40 am-11:30 pm

1 stop25h 20m

Colombo Bandaranaike Intl

Mon 2/1

12:45 am-7:05 am

1 stop19h 50m

$838

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Fri 10/9

10:15 am-10:35 am

1 stop35h 50m

Colombo Bandaranaike Intl

Fri 10/23

12:50 am-8:45 am

1 stop20h 25m

$930

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 1/17

8:40 am-11:30 pm

1 stop25h 20m

Colombo Bandaranaike Intl

Mon 2/1

12:45 am-4:26 pm

2 stops29h 11m

$1,034

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 1/17

8:40 am-11:30 pm

1 stop25h 20m

Colombo Bandaranaike Intl

Mon 2/1

12:45 am-4:26 pm

2 stops29h 11m

$1,035

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Mon 10/19

4:25 pm-3:05 am

1 stop22h 10m

Colombo Bandaranaike Intl

Mon 10/26

6:50 pm-12:40 pm

1 stop30h 20m

$1,154

Quickest round-trip

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Thu 10/8

4:25 pm-3:05 am

1 stop22h 10m

Colombo Bandaranaike Intl

Sun 10/25

4:35 am-12:40 pm

1 stop20h 35m

$1,203

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 11/1

4:05 pm-6:25 pm

2 stops36h 50m

Colombo Bandaranaike Intl

Thu 11/5

8:15 pm-12:35 pm

2 stops29h 50m

$1,248

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 11/1

4:05 pm-10:15 am

2 stops28h 40m

Colombo Bandaranaike Intl

Thu 11/5

9:50 pm-12:35 pm

1 stop28h 15m

$1,248

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Mon 12/14

10:25 am-11:25 pm

1 stop23h 30m

Colombo Bandaranaike Intl

Wed 12/30

12:45 am-2:40 pm

2 stops27h 25m

$2,670

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Tue 12/15

10:25 am-11:25 pm

1 stop23h 30m

Colombo Bandaranaike Intl

Tue 12/29

12:45 am-8:45 am

1 stop21h 30m

$2,705

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the typical price of a round-trip flight between Seattle and Colombo?

Prices are currently low for flights on this route.

Typical prices usually range from $1,190 to $1,283.
The lowest price recently found on this route was $838.

What is the cheapest month to fly to Colombo?

The month of April is, on average, the cheapest month to fly to Colombo from Seattle, with most prices found around $849. If you are unable to visit Colombo during the month of April, then departing from Seattle during the month March is also very affordable. Most momondo users find prices during this month for around $902.

How far in advance should I book a flight from Seattle 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 $1,159 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 $934 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

Best Price Found	$371
Fastest flight time	20h 35m
Direct flights	None

The best one-way flight to Colombo from Seattle in the past 72 hours is $371. The best round-trip flight deal from Seattle to Colombo found on momondo in the last 72 hours is $838.

The fastest flight from Seattle to Colombo takes 20h 35m

There are no direct flights from Seattle to Colombo. There are no popular flight routes from Seattle to Colombo.

Search flight deals

Frequently asked questions about flying from Seattle to Colombo

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 35m.
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?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Colombo is 5 as of September 2026.
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 Airlines	PriceFrom $626	Free Cancellation	Rating 8.2 1,598 reviews	Search Singapore Airlines flights
China Eastern	PriceFrom $832	Free Cancellation	Rating 7.3 236 reviews	Search China Eastern flights
Qatar Airways	PriceFrom $1,028	Free Cancellation	Rating 7.3 3,734 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,123	Free Cancellation	Rating 7.6 1,473 reviews	Search Cathay Pacific flights
Emirates	PriceFrom $1,162	Free Cancellation	Rating 8.1 3,653 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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Fly into one of these airports located in Colombo

Colombo Bandaranaike Intl Airport

Colombo Diyawanna Oya Seaplane Base Airport

Cheap flights from Seattle to Colombo from $371

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 2/21. 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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Singapore Airlines flights from Seattle to Colombo

Our best Singapore Airlines deals on Seattle to Colombo flight tickets

Qatar Airways flights from Seattle to Colombo

Our best Qatar Airways deals on Seattle to Colombo flight tickets

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See travel insights to Colombo from

How to get the cheapest flight ticket from Seattle to Colombo

What is the typical price of a round-trip flight between Seattle and Colombo?

What is the cheapest month to fly to Colombo?

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

What is the cheapest airline that flies from Seattle/Tacoma Intl to Colombo?

What airlines fly to Colombo?

Cheap Seattle to Colombo flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Seattle to Colombo

Best airlines flying from Seattle to Colombo

Compare and see reviews for airlines that fly from Seattle to Colombo with momondo

Why use momondo?

An easier way to manage your Colombo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favorite airline to Colombo

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

Popular cities in Sri Lanka

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