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Cheap flights from Seattle to Colombo from $524

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 10/12. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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 - 11:35 pmSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
24h 50m1 stop Singapore Changi
Singapore Airlines Logo
12:50 am - 8:45 amCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 25m1 stop Singapore Changi
$908Singapore Airlines
Tue, Sep 22 - Wed, Oct 21
Singapore Airlines Logo
9:45 am - 11:30 pmSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
25h 15m1 stop Singapore Changi
Singapore Airlines Logo
12:45 am - 7:10 amCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
19h 55m1 stop Singapore Changi
$953Singapore Airlines
Sat, Oct 31 - Fri, Nov 13
Multiple Airlines Logo
6:39 am - 11:35 pmSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
28h 26m2 stops San Francisco Singapore Changi
Multiple Airlines Logo
12:50 am - 8:45 amCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 25m1 stop Singapore Changi
$1,032Multiple Airlines
Mon, Oct 12 - Thu, Oct 22
Multiple Airlines Logo
7:18 am - 11:35 pmSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
27h 47m2 stops San Francisco Singapore Changi
Multiple Airlines Logo
12:50 am - 8:45 amCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 25m1 stop Singapore Changi
$1,078Multiple Airlines
Tue, Sep 22 - Wed, Oct 21
Qatar Airways Logo
4:25 pm - 3:05 amSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
22h 10m1 stop Doha Hamad Intl
Qatar Airways Logo
3:35 am - 12:25 pmCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
21h 20m1 stop Doha Hamad Intl
$1,175Qatar Airways
Tue, Oct 13 - Thu, Oct 22
Qatar Airways Logo
4:25 pm - 3:05 amSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
22h 10m1 stop Doha Hamad Intl
Qatar Airways Logo
8:20 pm - 12:25 pmCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
28h 35m1 stop Doha Hamad Intl
$1,175Qatar Airways
Mon, Oct 12 - Fri, Oct 23
Emirates Logo
5:15 pm - 6:30 pmSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
36h 45m2 stops Dubai Intl Male
Emirates Logo
11:15 am - 1:25 pmCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
38h 40m2 stops Male Dubai Intl
$1,242Emirates
Mon, Oct 12 - Fri, Oct 23
Emirates Logo
5:15 pm - 6:30 pmSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
36h 45m2 stops Dubai Intl Male
Emirates Logo
8:15 pm - 1:35 pmCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
29h 50m2 stops Male Dubai Intl
$1,244Emirates
Sun, Oct 4 - Wed, Oct 28
Cathay Pacific Logo
6:00 am - 11:30 pmSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
28h 00m2 stops Los Angeles Los Angeles Hong Kong Intl
Cathay Pacific Logo
12:45 am - 9:10 amCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
21h 55m1 stop Hong Kong Intl
$4,279Cathay Pacific
Fri, Dec 11 - Sun, Jan 3
Cathay Pacific Logo
10:03 am - 11:30 pmSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
23h 57m2 stops Vancouver Intl Hong Kong Intl
Cathay Pacific Logo
12:45 am - 6:46 pmCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
31h 31m2 stops Hong Kong Intl Vancouver Intl
$5,865Cathay Pacific
Mon, Nov 16 - Wed, Dec 2

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Qatar Airways flights from Seattle to Colombo

Our best Qatar Airways deals on Seattle to Colombo flight tickets
Qatar Airways
Oct 12
SEA4:25 pmSeattle/Tacoma Intl
22h 10m
1 stop
CMB3:05 amColombo Bandaranaike Intl
Oct 23
CMB8:20 pmColombo Bandaranaike Intl
28h 35m
1 stop
SEA12:25 pmSeattle/Tacoma Intl
$1,175
Qatar Airways
Dec 3
SEA3:50 pmSeattle/Tacoma Intl
35h 10m
1 stop
CMB4:30 pmColombo Bandaranaike Intl
Apr 29
CMB8:20 pmColombo Bandaranaike Intl
29h 05m
1 stop
SEA12:55 pmSeattle/Tacoma Intl
$1,177
Qatar Airways
Oct 13
SEA11:54 amSeattle/Tacoma Intl
25h 41m
2 stops
CMB2:05 amColombo Bandaranaike Intl
Oct 21
CMB3:35 amColombo Bandaranaike Intl
21h 20m
1 stop
SEA12:25 pmSeattle/Tacoma Intl
$1,190

Emirates flights from Seattle to Colombo

Our best Emirates deals on Seattle to Colombo flight tickets
Emirates
Oct 4
SEA5:15 pmSeattle/Tacoma Intl
36h 45m
2 stops
CMB6:30 pmColombo Bandaranaike Intl
Oct 28
CMB11:15 amColombo Bandaranaike Intl
38h 50m
2 stops
SEA1:35 pmSeattle/Tacoma Intl
$1,244
Emirates
Oct 28
SEA5:05 pmSeattle/Tacoma Intl
28h 40m
2 stops
CMB10:15 amColombo Bandaranaike Intl
Nov 9
CMB8:15 pmColombo Bandaranaike Intl
29h 50m
2 stops
SEA12:35 pmSeattle/Tacoma Intl
$1,247
Emirates
Oct 26
SEA5:05 pmSeattle/Tacoma Intl
36h 50m
2 stops
CMB6:25 pmColombo Bandaranaike Intl
Oct 29
CMB8:15 pmColombo Bandaranaike Intl
29h 50m
2 stops
SEA1:35 pmSeattle/Tacoma Intl
$1,248

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 August 16, 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

Cheapest round-trip

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Tue 9/22

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Wed 10/21

12:50 am-8:45 am

1 stop20h 25m

$908

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sat 10/31

9:45 am-11:30 pm

1 stop25h 15m

Colombo Bandaranaike Intl

Fri 11/13

12:45 am-7:10 am

1 stop19h 55m

$953

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Mon 10/12

6:39 am-11:35 pm

2 stops28h 26m

Colombo Bandaranaike Intl

Thu 10/22

12:50 am-8:45 am

1 stop20h 25m

$1,032

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Tue 9/22

7:18 am-11:35 pm

2 stops27h 47m

Colombo Bandaranaike Intl

Wed 10/21

12:50 am-8:45 am

1 stop20h 25m

$1,078
Quickest round-trip

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Tue 10/13

4:25 pm-3:05 am

1 stop22h 10m

Colombo Bandaranaike Intl

Thu 10/22

3:35 am-12:25 pm

1 stop21h 20m

$1,175

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Mon 10/12

4:25 pm-3:05 am

1 stop22h 10m

Colombo Bandaranaike Intl

Fri 10/23

8:20 pm-12:25 pm

1 stop28h 35m

$1,175

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Mon 10/12

5:15 pm-6:30 pm

2 stops36h 45m

Colombo Bandaranaike Intl

Fri 10/23

11:15 am-1:25 pm

2 stops38h 40m

$1,242

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 10/4

5:15 pm-6:30 pm

2 stops36h 45m

Colombo Bandaranaike Intl

Wed 10/28

8:15 pm-1:35 pm

2 stops29h 50m

$1,244

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Fri 12/11

6:00 am-11:30 pm

2 stops28h 00m

Colombo Bandaranaike Intl

Sun 1/3

12:45 am-9:10 am

1 stop21h 55m

$4,279

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Mon 11/16

10:03 am-11:30 pm

2 stops23h 57m

Colombo Bandaranaike Intl

Wed 12/2

12:45 am-6:46 pm

2 stops31h 31m

$5,865

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 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 $995 to $1,265.
The lowest price recently found on this route was $908.

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 $696. If you are unable to visit Colombo during the month of January, then departing from Seattle during the month April is also very affordable. Most momondo users find prices during this month for around $849.

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 $1,110 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

Fastest flight time

21h 10m

Direct flights

None
The fastest flight from Seattle to Colombo takes 21h 10m
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 21h 10m.

  • 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 $626Free CancellationRating
8.2
1,583 reviews
Search Singapore Airlines flights
China EasternPriceFrom $832Free CancellationRating
7.3
232 reviews
Search China Eastern flights
Qatar AirwaysPriceFrom $1,028Free CancellationRating
7.4
3,739 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom $1,123Free CancellationRating
7.6
1,453 reviews
Search Cathay Pacific flights
EmiratesPriceFrom $1,162Free CancellationRating
8.1
3,655 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