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Flight tickets from Seattle / Tacoma International to Colombo

Compare Seattle / Tacoma International to Colombo flight deals

Find the cheapest month or even day of the year to fly to Colombo

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Flight deals from Seattle / Tacoma International to Colombo

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Colombo? If you want to travel next month, return fares start from ₹ 117,799. Find the lowest prices on one-way and return tickets right here.
Colombo.₹ 45,623 per passenger.Departing Thu, 3 Sep.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Thu, 3 Sep, arriving in Colombo Bandaranayake.Price includes taxes and charges.From ₹ 45,623, select.
Colombo.₹ 61,837 per passenger.Departing Thu, 13 Aug.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Thu, 13 Aug, arriving in Colombo Bandaranayake.Price includes taxes and charges.From ₹ 61,837, select.
Colombo.₹ 63,390 per passenger.Departing Tue, 10 Nov.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Seattle / Tacoma International on Tue, 10 Nov, arriving in Colombo Bandaranayake.Price includes taxes and charges.From ₹ 63,390, select.
Colombo.₹ 64,158 per passenger.Departing Mon, 7 Dec.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Seattle / Tacoma International on Mon, 7 Dec, arriving in Colombo Bandaranayake.Price includes taxes and charges.From ₹ 64,158, select.
Colombo.₹ 75,175 per passenger.Departing Fri, 2 Oct.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Seattle / Tacoma International on Fri, 2 Oct, arriving in Colombo Bandaranayake.Price includes taxes and charges.From ₹ 75,175, select.
Colombo.₹ 89,227 per passenger.Departing Wed, 3 Jun.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Seattle / Tacoma International on Wed, 3 Jun, arriving in Colombo Bandaranayake.Price includes taxes and charges.From ₹ 89,227, select.
Colombo.₹ 94,139 per passenger.Departing Thu, 16 Jul.One-way flight with Condor.Outbound indirect flight with Condor, departs from Seattle / Tacoma International on Thu, 16 Jul, arriving in Colombo Bandaranayake.Price includes taxes and charges.From ₹ 94,139, select.
Colombo.₹ 120,745 per passenger.Departing Mon, 18 May.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Mon, 18 May, arriving in Colombo Bandaranayake.Price includes taxes and charges.From ₹ 120,745, select.

Find the cheapest month to fly from Seattle / Tacoma International to Colombo

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Colombo flights are currently cheapest in September.
May
from ₹ 120,745
Jun
from ₹ 89,227
Jul
from ₹ 94,139
Aug
from ₹ 61,837
Sep
from ₹ 45,623
Oct
from ₹ 75,175
Nov
from ₹ 63,390
Dec
from ₹ 64,158
Jan
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Feb
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Mar
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Apr
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Alternative Seattle / Tacoma International to Colombo routes

Looking for the cheapest, fastest or easiest route from Seattle / Tacoma International to Colombo? You could fly into the following airports instead.

Kelaniya

10km from central Colombo
Closest
Search flights

Colombo Ratmalana

13km from central Colombo
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Colombo Bandaranayake

27km from central Colombo
Cheapest
from ₹ 45,623
Search flights

Bentota River

52km from central Colombo
Search flights

Katugastota

72km from central Colombo
Search flights

Seattle to Colombo: Flight information

The things to know before you go.
Cheapest flight found₹ 45,623
Cheapest month to flySeptember

Finding cheap flights from Seattle / Tacoma International to Colombo: Frequently asked questions

There are 5 airports in Colombo: Kelaniya, Colombo Ratmalana, Colombo Bandaranayake, Bentota River, and Katugastota.
The best price we found for a return flight from Seattle / Tacoma International to Colombo is ₹ 100,398. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle / Tacoma International to Colombo. But we found flights with one or more stops from ₹ 100,398.
As of May 2026, there are no flights flying from Seattle / Tacoma International to Colombo.
The cheapest month to fly from Seattle / Tacoma International to Colombo is usually January.
If you're flying from Seattle / Tacoma International Airport, the cheapest airport near Colombo is Colombo Bandaranayake – which is 27.5 km away from the centre of Colombo. We've found flights into this airport from ₹ 100,398.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Colombo on Tuesday, 19 January 2027.
No airlines currently offer direct flights between Seattle / Tacoma International Airport and Colombo. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Colombo but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Colombo is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 28°C. May is typically the warmest month in Colombo, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is July, with temperatures averaging 25°C. The rainiest month is November.
Currently, Singapore Airlines offers the cheapest flight tickets to Colombo.

Flying from Seattle-Tacoma International Airport (SEA) to Colombo: what you need to know

  • The timezone in Colombo is UTC+5:30. The city is 12 hours 30 minutes ahead of Seattle, where Seattle-Tacoma International Airport is located.

  • Give yourself plenty of time to make your SEA to Colombo flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's a good idea to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during high season in general.

  • We make it a breeze to book plane tickets from SEA to Colombo with a stopover. To see the options, uncheck 'Direct flights only.' Next, pick a flight with a stop long enough to explore your chosen city. Well-traveled stopover hubs include:

    • Istanbul Ataturk Airport (IST)

    • Dubai Airport (DXB)

    • Hamad International Airport (DOH)

  • Travelling from central Seattle to SEA takes about 55 minutes on public transport. If you ride-share, drive or take a cab, you'll cover the 18 kilometres in 20 minutes or so, depending on traffic.

  • Looking for a hotel near SEA? If you're catching an early flight from Seattle-Tacoma International Airport to Colombo, these accommodation options will put you moments from your departure gate:

  • Seattle-Tacoma International Airport gets high marks for its on-time performance. 81.27% of flights that depart SEA arrive at their destination as scheduled.

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Colombo

  • ₹ 45,623 is the cheapest price we've seen for a one-way Seattle-Tacoma International Airport to Colombo flight. A round-trip ticket right now is ₹ 100,398. Depending on when and how early you book, these fares may change.

  • Don't wait until the last minute. You're more likely to find cheap flights from SEA to Colombo if you book early. Airlines often offer some fantastic early bird deals.

  • If you're willing to be flexible with your travel dates, try using the 'Whole month' search tool. It'll give you the cheapest price across every month when looking for a Seattle-Tacoma International Airport to Colombo ticket.

  • Stay on top of deals for cheap flights from SEA to Colombo by creating a Price Alert. You'll get an email or push notification on the app when a lower fare becomes available.

  • Tailor your trip with filters. Pick your ideal departure and arrival times, total journey duration and airlines. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Seattle-Tacoma International Airport to Colombo.

Airports in Colombo

Colombo Ratmalana Airport (RML)

  • The distance from Colombo Ratmalana Airport (RML) to central Colombo is roughly 16 kilometres. It'll take you about 40 minutes to get to the centre driving.

  • When travelling on public transport, expect a journey time of about 1 hour 15 minutes.

  • If you're arriving on a late flight from Seattle-Tacoma International Airport to Colombo, few things beat the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and resting not long after at one of these hotels near RML:

Bandaranaike International Airport (CMB)

  • After your flight from Seattle-Tacoma International Airport to Colombo has arrived, you can get to the city centre in about 40 minutes by car. Central Colombo is roughly 32 kilometres from Bandaranaike International Airport (CMB).

  • The trip will take about 1 hour 30 minutes on public transport.

  • You'll find some great places to drop your things at near CMB. Settle in and get cosy after your SEA to Colombo flight at any of these perfectly located options:

  • The quickest way to reach your destination is with a Bandaranaike International Airport rental car. Grab your wheels from Sr Rent A Car, Green Motion or Sixt and get going in the blink of an eye.

  • Avoid potential price surges. Booking your ride two weeks ahead of your arrival at CMB will save you money.

Best time to go to Colombo

  • Travel to Colombo in high season if you prefer a busy atmosphere, but remember that prices are typically higher. Alternatively, book your flights from Seattle-Tacoma International Airport to Colombo during low season when prices are cheaper and it's not as busy.

  • When booking your Seattle-Tacoma International Airport to Colombo flight ticket, think about the type of weather you enjoy. March is the warmest month in Colombo, with temperatures ranging from 24ºC to 33ºC.

  • January has average temperatures of between 22ºC and 32ºC. Search for a cheap ticket from SEA to Colombo around that time if you want to travel when it's cooler.

More about Colombo

  • Start your Colombo trip right by choosing the perfect place to stay. Once you've booked your flight from Seattle-Tacoma International Airport to Colombo, explore our selection of hotels including:

  • There are so many things to explore in this city it can be hard to know where to start. Independence Square & Independence Memorial Hall, Gangaramaya Temple and Viharamahadevi Park are major attractions which should feature on any well-planned Colombo itinerary.

Explore more of Sri Lanka

  • You've seen Colombo, now it's time to discover more of Sri Lanka. Journey about 306 kilometres north to Jaffna to check off its leading attractions. From Jaffna Fort to Dambakola Patuna Sangamitta Temple and Jaffna Public Library, there's plenty to keep you on the go.

  • Around 241 kilometres north-east of Colombo, Trincomalee is another favourite stop in Sri Lanka. Experience major highlights starting with Koneswaram Temple, Fort Frederick and Marble Beach.

Plan the rest of your trip from Seattle to Colombo

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.