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Cheap flights from Seattle to Colombo from $606

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 5/11. 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

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 pm
SEA
-
CMB
24h 50m
1 stop
Singapore Airlines Logo
12:50 am - 8:45 am
CMB
-
SEA
20h 25m
1 stop
$981Singapore Airlines
Fri, Sep 11 - Wed, Sep 23
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
$989Singapore Airlines
Fri, Sep 4 - Wed, Sep 16
Singapore Airlines Logo
10:15 am - 10:45 am
SEA
-
CMB
36h 00m
1 stop
Singapore Airlines Logo
11:45 am - 8:45 am
CMB
-
SEA
33h 30m
1 stop
$1,169Singapore Airlines
Sat, Oct 3 - Mon, Oct 19
Qatar Airways Logo
5:05 pm - 9:50 am
SEA
-
CMB
28h 15m
1 stop
Qatar Airways Logo
4:05 am - 2:45 pm
CMB
-
SEA
23h 10m
1 stop
$1,173Qatar Airways
Mon, May 11 - Mon, May 18
Emirates Logo
5:15 pm - 4:50 pm
SEA
-
CMB
35h 05m
1 stop
Emirates Logo
8:35 pm - 1:25 pm
CMB
-
SEA
29h 20m
2 stops
$1,184Emirates
Wed, Jun 3 - Wed, Jun 10
Multiple Airlines Logo
10:15 am - 11:35 pm
SEA
-
CMB
24h 50m
1 stop
Multiple Airlines Logo
12:50 am - 6:33 pm
CMB
-
SEA
30h 13m
3 stops
$1,191Multiple Airlines
Fri, Sep 11 - Wed, Sep 23
American Airlines Logo
11:16 am - 2:35 am
SEA
-
CMB
26h 49m
2 stops
American Airlines Logo
4:35 am - 8:02 pm
CMB
-
SEA
27h 57m
2 stops
$1,215American Airlines
Tue, May 5 - Tue, Sep 1
Qatar Airways Logo
4:25 pm - 9:00 am
SEA
-
CMB
28h 05m
1 stop
Qatar Airways Logo
4:35 am - 12:25 pm
CMB
-
SEA
20h 20m
1 stop
$1,218Qatar Airways
Sat, Sep 5 - Thu, Sep 17
Multiple Airlines Logo
4:25 pm - 9:00 am
SEA
-
CMB
28h 05m
1 stop
Multiple Airlines Logo
3:35 am - 5:39 pm
CMB
-
SEA
26h 34m
2 stops
$1,232Multiple Airlines
Sat, Sep 5 - Wed, Sep 16
Emirates Logo
5:15 pm - 10:10 pm
SEA
-
CMB
40h 25m
1 stop
Emirates Logo
8:35 pm - 1:25 pm
CMB
-
SEA
29h 20m
2 stops
$1,233Emirates
Thu, May 7 - Thu, May 14

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Singapore Airlines flights from Seattle to Colombo

Our best Singapore Airlines deals on Seattle to Colombo flight tickets
Singapore Airlines
Sep 11
SEA10:15 amSeattle/Tacoma Intl
24h 50m
1 stop
CMB11:35 pmColombo Bandaranaike Intl
Sep 23
CMB12:50 amColombo Bandaranaike Intl
20h 25m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$981
Singapore Airlines
Sep 4
SEA10:15 amSeattle/Tacoma Intl
36h 00m
1 stop
CMB10:45 amColombo Bandaranaike Intl
Sep 16
CMB12:50 amColombo Bandaranaike Intl
20h 25m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$989
Singapore Airlines
Oct 3
SEA10:15 amSeattle/Tacoma Intl
36h 00m
1 stop
CMB10:45 amColombo Bandaranaike Intl
Oct 19
CMB11:45 amColombo Bandaranaike Intl
33h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$1,169

Qatar Airways flights from Seattle to Colombo

Our best Qatar Airways deals on Seattle to Colombo flight tickets
Qatar Airways
May 11
SEA5:05 pmSeattle/Tacoma Intl
28h 15m
1 stop
CMB9:50 amColombo Bandaranaike Intl
May 18
CMB4:05 amColombo Bandaranaike Intl
23h 10m
1 stop
SEA2:45 pmSeattle/Tacoma Intl
$1,173
Qatar Airways
Sep 5
SEA4:25 pmSeattle/Tacoma Intl
28h 05m
1 stop
CMB9:00 amColombo Bandaranaike Intl
Sep 17
CMB4:35 amColombo Bandaranaike Intl
20h 20m
1 stop
SEA12:25 pmSeattle/Tacoma Intl
$1,218
Qatar Airways
Sep 11
SEA4:25 pmSeattle/Tacoma Intl
28h 05m
1 stop
CMB9:00 amColombo Bandaranaike Intl
Sep 24
CMB10:30 amColombo Bandaranaike Intl
38h 25m
1 stop
SEA12:25 pmSeattle/Tacoma Intl
$1,235

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 April 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

Cheapest round-trip
Quickest round-trip

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 9/11

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Wed 9/23

12:50 am-8:45 am

1 stop20h 25m

$981

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 9/4

10:15 am-10:45 am

1 stop36h 00m

Colombo Bandaranaike Intl

Wed 9/16

12:50 am-8:45 am

1 stop20h 25m

$989

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 10/3

10:15 am-10:45 am

1 stop36h 00m

Colombo Bandaranaike Intl

Mon 10/19

11:45 am-8:45 am

1 stop33h 30m

$1,169

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 5/11

5:05 pm-9:50 am

1 stop28h 15m

Colombo Bandaranaike Intl

Mon 5/18

4:05 am-2:45 pm

1 stop23h 10m

$1,173

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 6/3

5:15 pm-4:50 pm

1 stop35h 05m

Colombo Bandaranaike Intl

Wed 6/10

8:35 pm-1:25 pm

2 stops29h 20m

$1,184

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 9/11

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Wed 9/23

12:50 am-6:33 pm

3 stops30h 13m

$1,191

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 5/5

11:16 am-2:35 am

2 stops26h 49m

Colombo Bandaranaike Intl

Tue 9/1

4:35 am-8:02 pm

2 stops27h 57m

$1,215

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 9/5

4:25 pm-9:00 am

1 stop28h 05m

Colombo Bandaranaike Intl

Thu 9/17

4:35 am-12:25 pm

1 stop20h 20m

$1,218

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 9/5

4:25 pm-9:00 am

1 stop28h 05m

Colombo Bandaranaike Intl

Wed 9/16

3:35 am-5:39 pm

2 stops26h 34m

$1,232

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 5/7

5:15 pm-10:10 pm

1 stop40h 25m

Colombo Bandaranaike Intl

Thu 5/14

8:35 pm-1:25 pm

2 stops29h 20m

$1,233

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?

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 $744. 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 $929.

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 $1,098 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
1,502 reviews
Search Singapore Airlines flights
China EasternPriceFrom $832Free CancellationRating
7.2
208 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom $910Free CancellationRating
7.4
4,326 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom $946Free CancellationRating
7.6
1,292 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,028Free CancellationRating
7.4
3,728 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,191Free CancellationRating
8.1
3,560 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