Are direct flights from Seattle to Kolkata always the best option?

Direct flights offer convenience and save travel time, but they are not always the most budget-friendly choice. Flights with layovers or connecting flights can often be cheaper, especially for longer international routes. Consider your priorities for cost versus travel duration when making your decision.

Can flexible travel dates help on Seattle to Kolkata flights?

Yes, being flexible with your travel dates can significantly impact the price of your flight. Shifting your departure or return by a few days, especially to travel during the week or outside of major holidays, may result in lower fares. Many flight search engines allow you to view prices across a range of dates.

What extra costs should I check before booking Seattle to Kolkata flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight meal costs. Some airlines, especially budget carriers, may charge separately for services that are included with full-service airlines. Factor these into your total travel budget.

Flights From Seattle

To Kolkata

Cheap Flights from Seattle to Kolkata

Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Seattle

RatePunk searches hundreds of travel sites at once for deals on flights to Kolkata

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Seattle to Kolkata

Explore current cheapest deals departing from Seattle to Kolkata

2026-09-13 – 2026-09-23
SEA - Kolkata
91% AI deal score
$1,164
$885
Round trip
2026-09-16 – 2026-09-30
SEA - Kolkata
83% AI deal score
$1,161
$996
Round trip
2026-09-03 – 2026-09-19
SEA - Kolkata
81% AI deal score
$1,138
$1,055
Round trip
2026-10-01 – 2026-10-31
SEA - Kolkata
79% AI deal score
$1,116
$1,069
Round trip
2026-10-09 – 2026-10-17
SEA - Kolkata
79% AI deal score
$1,156
$1,098
Round trip
2026-08-26 – 2026-09-10
SEA - Kolkata
79% AI deal score
$1,208
$1,100
Round trip
2026-08-26 – 2026-09-07
SEA - Kolkata
79% AI deal score
$1,212
$1,100
Round trip
2026-09-15 – 2026-09-24
SEA - Kolkata
80% AI deal score
$1,180
$1,103
Round trip
2026-08-26 – 2026-09-08
SEA - Kolkata
79% AI deal score
$1,215
$1,105
Round trip
2026-08-26 – 2026-09-01
SEA - Kolkata
81% AI deal score
$1,285
$1,105
Round trip

Seattle to Kolkata: Overview

How much is a round trip from Seattle to Kolkata

Regular price: $1,007 - $1,689

Prices for flights from Seattle to Kolkata are currently within the regular range.

The regular price range for flights from Seattle to Kolkata is between $1007 and $1689. The current lowest deal is $1017 with Etihad Airways, for travel from Sep 3-Sep 19.

now $1,017

Low $1,007

High $1,689

The cheapest time to fly from Seattle to Kolkata

The cheapest month to fly from Seattle to Kolkata is April, with a median price of $551. The most expensive month is June, with a median price of $1438. Prices are generally lower from April to July.

April

Cheapest

Flights from $551

June

Most Expensive

Flights from $1,438

Apr

May

Jun

Jul

Nov

Direct flights from Seattle to Kolkata

Singapore Airlines

Korean Air

Thai Airways International

Alaska Airlines, Inc.

Last-minute flights going from Seattle to Kolkata

Thu, Jul 30

⌛ Last-Minute

SEA - Kolkata

Seattle (SEA) - Kolkata (CCU)

Qatar Airways

$1,339

$2,898

One-way

Thu, Jul 30

⌛ Last-Minute

SEA - Kolkata

Seattle (SEA) - Kolkata (CCU)

Qatar Airways

$1,564

$3,465

One-way

Thu, Jul 30

⌛ Last-Minute

SEA - Kolkata

Seattle (SEA) - Kolkata (CCU)

Qatar Airways

$1,349

$3,471

One-way

Thu, Jul 30

⌛ Last-Minute

SEA - Kolkata

Seattle (SEA) - Kolkata (CCU)

Qatar Airways

$1,376

$3,870

One-way

Mon, Aug 3

⌛ Last-Minute

SEA - Kolkata

Seattle (SEA) - Kolkata (CCU)

Korean Air

$1,251

$1,274

One-way

Thu, Aug 6

⌛ Last-Minute

SEA - Kolkata

Seattle (SEA) - Kolkata (CCU)

Korean Air

$1,394

$1,236

One-way

Biggest price drops on these dates for flights from Seattle to Kolkata

4 nights

Jan 21 - Jan 25

$1,324 → $1,152

13%

7 nights

Aug 18 - Aug 25

$1,319 → $1,150

13%

7 nights

Aug 6 - Aug 13

$1,394 → $1,236

11%

21 nights

Jan 10 - Jan 31

$1,257 → $1,113

11%

Popular Airports to fly from Seattle to Kolkata

Seattle - Kolkata route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Seattle to Kolkata are below the typical level, with deals around $1017.

📅 Best time to fly

April is historically cheapest at $551

Historically, April is the cheapest month to fly, with median prices around $551.

⏱️ Flight duration

Flights typically take 27h 40m

Flights from Seattle to Kolkata typically take 27 hours and 40 minutes, with 2 stopovers.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with no direct flights available historically.

🏆 Airline highlight

Etihad Airways offers deals

Etihad Airways recently offered a deal for $1017, according to Skyscanner.

🎯 Booking tip

Deals appear regularly

Deals on flights from Seattle to Kolkata appear regularly, so check frequently for offers.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport is a convenient departure point for flights to Kolkata.

📍 ~20 km from Seattle city center (reachable by car)

💸 Flights from ~$1045

Boeing Field (BFI)

Boeing Field offers an alternative departure option from Seattle for your trip to Kolkata.

📍 ~10 km from Seattle city center (reachable by car)

💸 Flights from ~$2084

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base provides another departure choice from Seattle to Kolkata.

📍 ~5 km from Seattle city center (reachable by car)

💸 Flights from ~$2640

Kolkata main airports to arrive at

Netaji Subhas Chandra Bose International (CCU)

Cheapest

Netaji Subhas Chandra Bose International Airport is the primary gateway for flights to Kolkata.

📍 ~15 km from city center (reachable by car)

💸 Flights from ~$1045

Airports nearby Kolkata used as alternative

Kazi Nazrul Islam (RDP)

Kazi Nazrul Islam is a useful domestic alternative, offering excellent road and rail connectivity from Kolkata.

📍 ~170 km from Kolkata (reachable by car and train)

💸 Flights from ~$1,098

Business & First Class Flight Deals to Kolkata

76% AI deal score

$2,826

From SEA

Elite

Jul 14

Kolkata, India

76% AI deal score

$2,973

From SEA

Elite

Jul 14

Kolkata, India

76% AI deal score

$2,973

Frequently Asked Questions About Flights to Kolkata

To find more affordable flights, consider being flexible with your travel dates and times. Using flight comparison sites can help you compare options from various airlines and online travel agencies. Look for flights during off-peak seasons or weekdays, which often have lower prices.

Booking flights in advance, often several months before your intended departure, can sometimes lead to better deals. However, prices can fluctuate, so monitoring fares over time may help you identify optimal booking windows. Last-minute bookings usually carry a higher price.

Comparing nearby airports at both your origin and destination can sometimes uncover more affordable flight options. While it may add to your ground travel time, the potential savings on airfare can be significant. Always factor in the cost and convenience of transportation to and from alternative airports.

Related routes

More routes from Seattle

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Flights to Kolkata from other cities

Flights from Atlanta to Kolkata Flights from Calgary to Kolkata Flights from Edmonton to Kolkata Flights from Montreal to Kolkata Flights from San Francisco to Kolkata Flights from Singapore to Kolkata Flights from Sydney to Kolkata Flights from Tampa to Kolkata Flights from Tokyo to Kolkata Flights from Toronto to Kolkata Flights from Vancouver to Kolkata Flights from Washington, D.C. to Kolkata

Seattle to Kolkata: Overview

How much is a round trip from Seattle to Kolkata

Regular price: $1,007 - $1,689

Prices for flights from Seattle to Kolkata are currently within the regular range.

The regular price range for flights from Seattle to Kolkata is between $1007 and $1689. The current lowest deal is $1017 with Etihad Airways, for travel from Sep 3-Sep 19.

now $1,017

Low $1,007

High $1,689

The cheapest time to fly from Seattle to Kolkata

The cheapest month to fly from Seattle to Kolkata is April, with a median price of $551. The most expensive month is June, with a median price of $1438. Prices are generally lower from April to July.

April

Cheapest

Flights from $551

June

Most Expensive

Flights from $1,438

Apr

May

Jun

Jul

Nov