Chennai to Seattle at a glance
The lowest fare our scanner has seen from Chennai to Seattle in the last two weeks is ₹97,331 (return, 14 nights) for Tue 2 Feb, about the usual price.
Of the months we have prices for, February is the cheapest and November the dearest.
The cheapest fares we see stop on the way, usually in Doha, Abu Dhabi and Muscat, and take from 21h 05m.
Seattle has its best weather from July to September.
Common stops: Doha, Abu Dhabi, MuscatCheapest airlines lately: Qatar Airways, IndiGo, Etihad, Oman Air
Month by month: fares, weather and what's on
The cheapest fare our scanner has seen in each month over the last two weeks (return, 14 nights), with Seattle's weather and the dates that move prices. The live calendar at the top prices any month and trip length on demand.
| Month | Cheapest fare seen | Weather | Season | What's on |
|---|---|---|---|---|
| October 2026 | Check live above | 15° / 8°rainy spells, 139 mm | Shoulder | Dussehra |
| November 2026 | ₹1,19,924 return, 14 nights · Fri 6 Nov | 10° / 5°wet, 190 mm | Off-season | DiwaliThanksgiving |
| December 2026 | Check live above | 7° / 2°wet, 206 mm | Off-season | Christmas and New Year |
| January 2027 | ₹1,18,726 return, 14 nights · Mon 11 Jan | 8° / 2°wet, 189 mm | Off-season | Christmas and New YearRepublic Day weekend |
| February 2027 | ₹97,331 return, 14 nights · Tue 2 Feb | 7° / 1°rainy spells, 142 mm | Off-season | Grey, drizzly season from October to April, with short days. The rain is rarely heavy... |
| March 2027 | ₹1,11,116 return, 14 nights · Thu 18 Mar | 11° / 3°rainy spells, 124 mm | Off-season | HoliGood Friday weekend |
| April 2027 | Check live above | 14° / 5°rainy spells, 101 mm | Shoulder | Indian summer holidays |
| May 2027 | Check live above | 18° / 9°some rain, 62 mm | Shoulder | Indian summer holidays |
| June 2027 | Check live above | 21° / 11°some rain, 57 mm | Peak | Indian summer holidays |
| July 2027Best weather | Check live above | 25° / 14°dry, 14 mm | Peak | Fourth of JulyStudent rush |
| August 2027Best weather | Check live above | 25° / 14°mostly dry, 29 mm | Peak | Student rush |
| September 2027Best weather | Check live above | 21° / 12°some rain, 72 mm | Peak | Dry, sunny summer (24-27°C): Mount Rainier and the Olympic Peninsula at their best,... |
Dates to plan around
Festivals and holidays in Seattle, and the rushes that push up fares out of Chennai.
- 20 OctDussehraDussehra falls on Tuesday 20 Oct: many take the Monday off for a four-day weekend, so short trips abroad cost more that week.
- 6–10 NovDiwaliDiwali (Lakshmi Puja on Sunday 8 Nov): the busiest travel week of the autumn. Fares out of India rise, and short trips to Dubai, Bangkok and Singapore book up.
- 25–29 NovThanksgivingThanksgiving (Thursday 26 Nov): the busiest travel days of the US year fall around it, and many shops close on the day.
- 19 Dec – 3 JanChristmas and New YearThe priciest fortnight of the year to fly out of India: school holidays, Christmas and New Year all at once. Book early or go just before or after.
- 23–26 JanRepublic Day weekendRepublic Day falls on Tuesday 26 Jan: take the Monday off and it's a four-day weekend, so short trips abroad book up.
- 22–23 MarHoliHoli (22-23 Mar) and Good Friday (26 Mar) fall in the same week, a favourite week for short trips abroad, so fares rise.
- 26–28 MarGood Friday weekendGood Friday (26 Mar) makes a long weekend in India, just after Holi.
- 15 Apr – 15 Jun · expectedIndian summer holidaysSchool holidays (roughly mid-April to mid-June, varying by state): outbound family travel peaks and fares climb, especially to the Gulf, Southeast Asia and Europe.
- 3–5 JulFourth of JulyIndependence Day falls on a Sunday, so Monday 5 Jul is the holiday: fireworks, and busy roads and airports.
- 20 Jul – 31 Aug · expectedStudent rushThousands of Indian students fly out for autumn intakes, so fares from India to the US, UK, Canada, Australia and Europe peak from late July through August.
Good to know
What is the cheapest month to fly from Chennai to Seattle?
Of the months our scanner has priced, February 2027 is the cheapest: ₹97,331 (return, 14 nights) for Tue 2 Feb. Fares change daily; the live calendar at the top of this page prices every month on demand.
How long is the flight from Chennai to Seattle?
Among the cheapest fares we see, the quickest takes about 21h 05m with a stop.
Which airlines fly from Chennai to Seattle?
Recently the cheapest fares were on Qatar Airways, IndiGo, Etihad, Oman Air and Emirates.
When is the best time to visit Seattle?
The best weather in Seattle is from July to September. Dry, sunny summer (24-27°C): Mount Rainier and the Olympic Peninsula at their best, and Alaska cruises sail. Peak season, with the most visitors and the highest hotel prices, is June to September. The quietest months are November to March.
How far ahead should I book Chennai to Seattle flights?
There has been no last-minute jump on North America routes: fares under 2 weeks out were 13% lower than earlier. Seats can still sell out, so don't count on it.
When do fares out of Chennai go up?
Dussehra (20 Oct): Dussehra falls on Tuesday 20 Oct: many take the Monday off for a four-day weekend, so short trips abroad cost more that week. Diwali (6–10 Nov): Diwali (Lakshmi Puja on Sunday 8 Nov): the busiest travel week of the autumn. Fares out of India rise, and short trips to Dubai, Bangkok and Singapore book up. Christmas and New Year (19 Dec – 3 Jan): The priciest fortnight of the year to fly out of India: school holidays, Christmas and New Year all at once. Book early or go just before or after.