Search cheap flights from Seattle to New Delhi in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$500, and round-trip tickets start at US$870.

Cheapest airlines flights from Seattle to New Delhi

You can choose from 1 airlines that fly from Seattle to New Delhi, including Singapore Airlines, Finnair has lowest fares on this route.
Singapore Airlines logo Singapore Airlines
Airlines are determined based on actual purchased flight tickets from Seattle to New Delhi according to previous 12 months data from Trip.com.

Seattle to New Delhi Flight Details

The distance between Seattle and New Delhi is about 11,341.89 km. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is September.

Cheapest one-way flight price US$500
Cheapest return ticket price US$870
Cheapest month September
Peak season for travel July
Flight distance 11,341.89 km
Popular airline Singapore Airlines
Flight statistics for the Seattle–New Delhi route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Seattle to New Delhi

Which month has the cheapest one-way flights from Seattle to New Delhi?

Average monthly one-way flight prices from Seattle to New Delhi, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Seattle to New Delhi is April, with an average price of US$388; while the month with the highest flight price is usually June, with an average price of up to US$984.

US$984
US$686
US$388
US$90
    Cheapest
  • US$561
    Jul
  • US$568
    Aug
  • US$481
    Sep
  • US$580
    Oct
  • US$566
    Nov
  • US$743
    Dec
  • US$503
    Jan
  • US$530
    Feb
  • US$534
    Mar
  • US$388
    Apr
  • US$590
    May
  • US$984
    Jun

Frequently Asked Questions

  • What are the cheapest flights from Seattle to New Delhi (SEA-DEL)?

    Based on Trip.com data, Finnair offers one-way fares as low as US$500 on Cheapest nonstop routes (e.g. SEA to DEL on Mon, Sep 7), while Virgin Atlantic offers Cheapest nonstop round-trips from US$870 departing on Sat, Sep 19 and returning on Sat, Sep 26.
  • At the moment, several airlines serve connecting flights from Seattle to New Delhi, including: Singapore Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to New Delhi is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Seattle to New Delhi, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Sep 7, with one-way flights priced at just US$500.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Finnair.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for New Delhi travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to New Delhi is September, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Seattle to New Delhi on July 29, 2026 with American Airlines, with prices starting at US$561.
  • You can land at any one of the following hubs in New Delhi, with Seattle-Tacoma International Airport to Indira Gandhi International Airport (SEA-DEL) is by far the most common option on this route: Indira Gandhi International Airport (DEL).
  • The time difference between New Delhi and Seattle is 13h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Seattle to New Delhi

Which airline offers the cheapest direct flights from Seattle to New Delhi?

Data is based on the average price of all nonstop flights from Seattle to New Delhi on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Singapore Airlines provides the lowest-priced direct flights from Seattle to New Delhi, with fares starting at US$486.

US$303
US$486
US$670
US$853
US$1,036
Singapore Airlines
US$486
Singapore Airlines
Virgin Atlantic
US$611
Virgin Atlantic
Delta Air Lines
US$631
Delta Air Lines
Turkish Airlines
US$819
Turkish Airlines
Emirates
US$864
Emirates
Qatar Airways
US$1,036
Qatar Airways

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.