Cheap flights from Seattle to Chennai from $475
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 Chennai departing on 9/5. 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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How to get the cheapest flight ticket from Seattle to Chennai
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 Chennai?
In general, September is the cheapest month to fly from Seattle to Chennai. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,185. If you’re not able to fly to Chennai in September, then April is your next best option. Flight prices from Seattle to Chennai during April average around $1,202.
What is the cheapest day to depart on your flight to Chennai?
The cheapest day to depart on your flight to Chennai is on a Monday when prices can be found for as low as $1,104. This is often the case because there is less demand to fly during this day of the week. Flights from Seattle to Chennai on a Saturday will generally be more expensive and average around $1,500. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Chennai?
In the evening is the cheapest time of day to fly from Seattle to Chennai when you can find flight prices for as low as $1,164. Flying to Chennai in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Chennai is at noon when prices are around $1,565.
What is the cheapest Seattle/Tacoma Intl to Chennai flight route?
Fly from Seattle/Tacoma Intl to Chennai for the best Seattle/Tacoma Intl - Chennai flight prices
How far in advance should I book a flight to Chennai?
You are more likely to see cheaper flights to Chennai from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around $1,473 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from Seattle for as low as $1,400 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Chennai flights?
There are 2 cabin classes available to choose from on Seattle/Tacoma Intl to Chennai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Seattle to Chennai flights?
You could potentially save up to 35% on your flight if you consider stops on a Seattle to Chennai flight.
How have Seattle to Chennai flight prices changed over time?
As of July 2025, prices for Seattle to Chennai flights are approximately 8% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Chennai?
Singapore Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Chennai
What airlines fly to Chennai?
Singapore Airlines, Qatar Airways and Emirates are the top three most popular airlines that fly to Chennai from Seattle according to our data. Singapore Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Chennai. Keep in mind that there are 9 different airlines that fly to Chennai on a routine basis, so you have a few additional options to choose from.
When to book flights from Seattle to Chennai
Cheap Seattle to Chennai (SEA to MAA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Chennai
How far is Seattle/Tacoma Intl to Chennai by plane?
A flight from Seattle/Tacoma Intl to Chennai will travel around 8011.4 mi. In terms of flight time, this usually takes a little over 23h 15m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Chennai Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Chennai Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Chennai Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Chennai Airport is 9 as of July 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Chennai Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Chennai Airport.
What documentation or ID do you need to fly to Chennai Airport?
The travel and health documents you'll need for your trip to Chennai Airport 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 Chennai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Chennai?
momondo data reveals that the most frequently booked airline on the route from Seattle to Chennai is Singapore Airlines, representing 40% of all bookings. The subsequent popular airlines are Qatar Airways at 32%, Emirates at 8%, and British Airways at 6%.
Best airlines flying from Seattle to Chennai
Compare and see reviews for airlines that fly from Seattle to Chennai with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $929 | Free Cancellation | Rating 8.1 1,320 reviews | |||
| PriceFrom $1,087 | Free Cancellation | Rating 7.3 3,895 reviews | |||
| PriceFrom $1,089 | Free Cancellation | Rating 7.4 3,594 reviews | |||
| PriceFrom $1,257 | Free Cancellation | Rating 7.6 921 reviews | |||
| PriceFrom $1,257 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom $1,356 | Free Cancellation | Rating 6.8 7,207 reviews | |||
| PriceFrom $1,373 | Free Cancellation | Rating 8.3 92 reviews | |||
| PriceFrom $1,530 | Free Cancellation | Rating 8.1 3,287 reviews |
Traveling to a place near Chennai?
Book flights to Chennai if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Chennai?
It is quick and easy to find Seattle to Chennai flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chennai that suits you.
Can I find flights from Seattle to Chennai with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Seattle to Chennai flights to just show those with flexible booking policies.
How can momondo help me find flights from Seattle to Chennai?
momondo helps you find the best flight between Seattle and Chennai by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Chennai right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Chennai from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.