Flights from Seattle to Kolkata (SEA - CCU)

$400 - Flight tickets from Seattle(SEA) to Kolkata(CCU)

11:43 AM on Jan 29, 2026 SEA

3 Stops {SFO | VIE | BOM} | Trip Duration: 42 hr 42 min

07:55 PM on Jan 31, 2026 CCU

Flight 655 operated by ALASKA Alaska Airlines 655 | Air India 180 / 2481

Book flights from SEA to CCU at 11:43 AM with Air India on Jan 29, 2026

$400

12:35 PM on Jan 29, 2026 SEA

3 Stops {SFO | VIE | BOM} | Trip Duration: 41 hr 50 min

07:55 PM on Jan 31, 2026 CCU

United Airlines 1482 | Air India 180 / 2481

Book flights from SEA to CCU at 12:35 PM with Air India on Jan 29, 2026

$634.17

12:35 PM on Jan 29, 2026 SEA

3 Stops {SFO | VIE | BOM} | Trip Duration: 41 hr 50 min

07:55 PM on Jan 31, 2026 CCU

United Airlines 1482 | Air India 180 / 2481

Book flights from SEA to CCU at 12:35 PM with Air India on Jan 29, 2026

$692.17

02:40 PM on Jan 29, 2026 SEA

2 Stops {JFK | DEL} | Trip Duration: 44 hr 05 min

12:15 AM on Feb 01, 2026 CCU

Flight 16 operated by ALASKA Alaska Airlines 16 | Air India 102 / 2727

Book flights from SEA to CCU at 02:40 PM with Air India on Jan 29, 2026

$818.91

04:05 PM on Jan 29, 2026 SEA

1 Stop {DOH} | Trip Duration: 20 hr 20 min

01:55 AM on Jan 31, 2026 CCU

Qatar Airways 720 / 540

Book flights from SEA to CCU at 04:05 PM with Qatar Airways on Jan 29, 2026

$833.50

08:30 AM on Jan 29, 2026 SEA

2 Stops {IAD | DOH} | Trip Duration: 27 hr 55 min

01:55 AM on Jan 31, 2026 CCU

Flight 3383 operated by ALASKA Qatar Airways 3383 / 708 / 540

Book flights from SEA to CCU at 08:30 AM with Qatar Airways on Jan 29, 2026

$838.50

04:05 PM on Jan 29, 2026 SEA

1 Stop {DOH} | Trip Duration: 20 hr 20 min

01:55 AM on Jan 31, 2026 CCU

Qatar Airways 720 / 540

Book flights from SEA to CCU at 04:05 PM with Qatar Airways on Jan 29, 2026

$870.03

04:05 PM on Jan 29, 2026 SEA

1 Stop {DOH} | Trip Duration: 20 hr 20 min

01:55 AM on Jan 31, 2026 CCU

Qatar Airways 720 / 540

Book flights from SEA to CCU at 04:05 PM with Qatar Airways on Jan 29, 2026

$920.03

02:00 PM on Jan 29, 2026 SEA

2 Stops {FRA | DEL} | Trip Duration: 29 hr 10 min

08:40 AM on Jan 31, 2026 CCU

Flight 5286 operated by Air India Lufthansa 491 / 760 / 5286

Book flights from SEA to CCU at 02:00 PM with Lufthansa on Jan 29, 2026

$945.78

Hurry! Only 3 seats left at this fare

02:00 PM on Jan 29, 2026 SEA

2 Stops {FRA | DEL} | Trip Duration: 29 hr 10 min

08:40 AM on Jan 31, 2026 CCU

Flight 5286 operated by Air India Lufthansa 491 / 760 / 5286

Book flights from SEA to CCU at 02:00 PM with Lufthansa on Jan 29, 2026

$987.87

Hurry! Only 3 seats left at this fare

02:00 PM on Jan 29, 2026 SEA

2 Stops {FRA | DEL} | Trip Duration: 32 hr 15 min

11:45 AM on Jan 31, 2026 CCU

Lufthansa 491 / 760 | Air India 1791

Book flights from SEA to CCU at 02:00 PM with Lufthansa on Jan 29, 2026

$990.30

Hurry! Only 3 seats left at this fare

02:00 PM on Jan 29, 2026 SEA

2 Stops {FRA | DEL} | Trip Duration: 29 hr 10 min

08:40 AM on Jan 31, 2026 CCU

Flight 5294 operated by Air India | Flight 5286 operated by Air India Lufthansa 491 / 5294 / 5286

Book flights from SEA to CCU at 02:00 PM with Lufthansa on Jan 29, 2026

$998.50

Hurry! Only 4 seats left at this fare

07:00 PM on Jan 29, 2026 SEA

2 Stops {IST | BOM} | Trip Duration: 31 hr 15 min

03:45 PM on Jan 31, 2026 CCU

Flight 4750 operated by IndiGo | Flight 4739 operated by IndiGo Turkish Airlines 204 / 4750 / 4739

Book flights from SEA to CCU at 07:00 PM with Turkish Airlines on Jan 29, 2026

$998.70

Hurry! Only 0 seats left at this fare

07:00 PM on Jan 29, 2026 SEA

2 Stops {IST | BOM} | Trip Duration: 31 hr 15 min

03:45 PM on Jan 31, 2026 CCU

Flight 4750 operated by 6E/AIR INDIGO | Flight 4739 operated by IndiGo Turkish Airlines 204 / 4750 / 4739

Book flights from SEA to CCU at 07:00 PM with Turkish Airlines on Jan 29, 2026

$1098.68

Hurry! Only 4 seats left at this fare

07:00 PM on Jan 29, 2026 SEA

2 Stops {IST | BOM} | Trip Duration: 31 hr 15 min

03:45 PM on Jan 31, 2026 CCU

Flight 4739 operated by IndiGo Turkish Airlines 204 / 720 / 4739

Book flights from SEA to CCU at 07:00 PM with Turkish Airlines on Jan 29, 2026

$1195.03

Hurry! Only 0 seats left at this fare

07:00 PM on Jan 29, 2026 SEA

2 Stops {IST | BOM} | Trip Duration: 27 hr 55 min

12:25 PM on Jan 31, 2026 CCU

Flight 4738 operated by IndiGo Turkish Airlines 204 / 720 / 4738

Book flights from SEA to CCU at 07:00 PM with Turkish Airlines on Jan 29, 2026

$1328.03

Hurry! Only 4 seats left at this fare

10:58 AM on Jan 29, 2026 SEA

2 Stops {ORD | DXB} | Trip Duration: 42 hr 22 min

06:50 PM on Jan 31, 2026 CCU

Flight 6356 operated by United Airlines Emirates 6356 / 236 / 572

Book flights from SEA to CCU at 10:58 AM with Emirates on Jan 29, 2026

$1367.37

Hurry! Only 0 seats left at this fare

09:25 AM on Jan 29, 2026 SEA

2 Stops {SFO | DXB} | Trip Duration: 43 hr 55 min

06:50 PM on Jan 31, 2026 CCU

Flight 6489 operated by United Airlines Emirates 6489 / 226 / 572

Book flights from SEA to CCU at 09:25 AM with Emirates on Jan 29, 2026

$1383.03

Hurry! Only 0 seats left at this fare

10:58 AM on Jan 29, 2026 SEA

2 Stops {ORD | DXB} | Trip Duration: 31 hr 12 min

07:40 AM on Jan 31, 2026 CCU

Flight 6356 operated by United Airlines Emirates 6356 / 236 / 570

Book flights from SEA to CCU at 10:58 AM with Emirates on Jan 29, 2026

$1433.57

Hurry! Only 0 seats left at this fare

04:05 PM on Jan 29, 2026 SEA

1 Stop {DXB} | Trip Duration: 37 hr 15 min

06:50 PM on Jan 31, 2026 CCU

Emirates 230 / 572

Book flights from SEA to CCU at 04:05 PM with Emirates on Jan 29, 2026

$1435.37

Hurry! Only 0 seats left at this fare

08:45 AM on Jan 29, 2026 SEA

1 Stop {SIN} | Trip Duration: 24 hr 10 min

10:25 PM on Jan 30, 2026 CCU

Singapore Airlines 27 / 516

Book flights from SEA to CCU at 08:45 AM with Singapore Airlines on Jan 29, 2026

$1508.95

Hurry! Only 0 seats left at this fare

08:45 AM on Jan 29, 2026 SEA

1 Stop {SIN} | Trip Duration: 48 hr 10 min

10:25 PM on Jan 31, 2026 CCU

Singapore Airlines 27 / 516

Book flights from SEA to CCU at 08:45 AM with Singapore Airlines on Jan 29, 2026

$1520.20

Hurry! Only 0 seats left at this fare

08:45 AM on Jan 29, 2026 SEA

1 Stop {SIN} | Trip Duration: 24 hr 10 min

10:25 PM on Jan 30, 2026 CCU

Singapore Airlines 27 / 516

Book flights from SEA to CCU at 08:45 AM with Singapore Airlines on Jan 29, 2026

$1551.87

Hurry! Only 0 seats left at this fare

08:45 AM on Jan 29, 2026 SEA

1 Stop {SIN} | Trip Duration: 48 hr 10 min

10:25 PM on Jan 31, 2026 CCU

Singapore Airlines 27 / 516

Book flights from SEA to CCU at 08:45 AM with Singapore Airlines on Jan 29, 2026

$1588.00

Hurry! Only 0 seats left at this fare

12:30 PM on Jan 29, 2026 SEA

2 Stops {NRT | BLR} | Trip Duration: 30 hr 55 min

08:55 AM on Jan 31, 2026 CCU

Flight 9777 operated by OPERATED UNDER LEASE FROM FREEBIRD Japan Airlines 67 / 753 / 9777

Book flights from SEA to CCU at 12:30 PM with Japan Airlines on Jan 29, 2026

$1590.09

Hurry! Only 4 seats left at this fare

12:30 PM on Jan 29, 2026 SEA

2 Stops {NRT | BLR} | Trip Duration: 32 hr 50 min

10:50 AM on Jan 31, 2026 CCU

Flight 9779 operated by IndiGo Japan Airlines 67 / 753 / 9779

Book flights from SEA to CCU at 12:30 PM with Japan Airlines on Jan 29, 2026

$1673.35

Hurry! Only 4 seats left at this fare

12:30 PM on Jan 29, 2026 SEA

2 Stops {NRT | DEL} | Trip Duration: 29 hr 25 min

07:25 AM on Jan 31, 2026 CCU

Flight 9010 operated by IndiGo Japan Airlines 67 / 749 / 9010

Book flights from SEA to CCU at 12:30 PM with Japan Airlines on Jan 29, 2026

$1963.13

Hurry! Only 4 seats left at this fare

12:30 PM on Jan 29, 2026 SEA

2 Stops {NRT | BLR} | Trip Duration: 34 hr 35 min

12:35 PM on Jan 31, 2026 CCU

Flight 9781 operated by IndiGo Japan Airlines 67 / 753 / 9781

Book flights from SEA to CCU at 12:30 PM with Japan Airlines on Jan 29, 2026

$1983.37

Hurry! Only 4 seats left at this fare

02:04 PM on Jan 29, 2026 SEA

2 Stops {ORD | AUH} | Trip Duration: 44 hr 06 min

11:40 PM on Jan 31, 2026 CCU

Flight 1696 operated by Air Arabia Abu Dhabi American Airlines 2398 | Etihad Airways 10 / 1696

Book flights from SEA to CCU at 02:04 PM with Etihad Airways on Jan 29, 2026

$2241.00

02:04 PM on Jan 29, 2026 SEA

2 Stops {ORD | AUH} | Trip Duration: 44 hr 06 min

11:40 PM on Jan 31, 2026 CCU

Flight 1696 operated by Air Arabia Abu Dhabi American Airlines 2398 | Etihad Airways 10 / 1696

Book flights from SEA to CCU at 02:04 PM with Etihad Airways on Jan 29, 2026

$2432.00

08:00 PM on Jan 29, 2026 SEA

2 Stops {YVR | SIN} | Trip Duration: 36 hr 55 min

10:25 PM on Jan 31, 2026 CCU

Air Canada 8811 / 19 | Singapore Airlines 516

Book flights from SEA to CCU at 08:00 PM with Air Canada on Jan 29, 2026

$216791.00

08:00 PM on Jan 29, 2026 SEA

2 Stops {YVR | SIN} | Trip Duration: 36 hr 55 min

10:25 PM on Jan 31, 2026 CCU

Flight 5851 operated by Singapore Airlines Air Canada 8811 / 19 / 5851

Book flights from SEA to CCU at 08:00 PM with Air Canada on Jan 29, 2026

$231631.00

Hurry! Only 4 seats left at this fare

Prices observed in the past 7 days start at 400 for one-way flights and 925.04 for round trips, for the specified period. Availability and prices are subject to change, and additional terms may apply.

This 'round trip flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.

SEA 08:00 PM Mar 11, 2026

27 hr 55 min connectingImg

2 Stops

CCU 12:25 PM Mar 13, 2026

CCU 07:05 PM Mar 30, 2026

34 hr 40 min connectingImg

2 Stops

SEA 05:15 PM Mar 31, 2026

$925.04

Found 18hrs ago

This 'round trip flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.

SEA 02:44 PM Mar 11, 2026

37 hr 36 min connectingImg

2 Stops

CCU 04:50 PM Mar 13, 2026

CCU 07:05 PM Mar 30, 2026

29 hr 41 min connectingImg

2 Stops

SEA 12:16 PM Mar 31, 2026

$978.29

Found 20hrs ago

SEA 05:05 PM Mar 11, 2026

20 hr 20 min connectingImg

1 Stop

CCU 01:55 AM Mar 13, 2026

CCU 04:00 AM Mar 30, 2026

44 hr 55 min connectingImg

2 Stops

SEA 12:25 PM Mar 31, 2026

$1130.13

Found 20hrs ago

SEA 07:00 AM Mar 11, 2026

50 hr 55 min connectingImg

2 Stops

CCU 10:25 PM Mar 13, 2026

CCU 11:30 PM Mar 30, 2026

21 hr 45 min connectingImg

1 Stop

SEA 08:45 AM Mar 31, 2026

$1449.64

Found 18hrs ago

This 'one-way flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.

SEA 11:43 AM Jan 29, 2026

42 hr 42 min connectingImg

3 Stops

CCU 07:55 PM Jan 31, 2026

$400

Found 18hrs ago

This 'one-way flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.

SEA 04:05 PM Jan 29, 2026

20 hr 20 min connectingImg

1 Stop

CCU 01:55 AM Jan 31, 2026

$818.91

Found 20hrs ago

SEA 02:00 PM Jan 29, 2026

29 hr 10 min connectingImg

2 Stops

CCU 08:40 AM Jan 31, 2026

$833.50

Found 20hrs ago

SEA 07:00 PM Jan 29, 2026

31 hr 15 min connectingImg

2 Stops

CCU 03:45 PM Jan 31, 2026

$870.03

Found 18hrs ago

This 'multi-city flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.

CCU 02:30 AM Dec 14, 2025

15 hr 45 min connectingImg

Non Stop

LHR 07:45 AM Dec 15, 2025

ORD 11:14 AM Dec 18, 2025

13 hr 35 min connectingImg

1 Stop

CCU 10:49 PM Dec 19, 2025

$1006.17

Found 18hrs ago

This 'multi-city flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.

CCU 01:30 AM Dec 14, 2025

22 hr 00 min connectingImg

1 Stop

LHR 01:00 PM Dec 16, 2025

ORD 02:55 PM Dec 18, 2025

06 hr 24 min connectingImg

1 Stop

CCU 07:19 PM Dec 18, 2025

$1236.17

Found 20hrs ago

Find the Cheapest Day for Flights from SEA to CCU

One-Way flights from SEA to CCU

Round Trip from SEA to CCU

Multi-City Flights from SEA to CCU

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ASK INDIAN EAGLE EXPERT

Can I enrol in the Indian Eagle rewards program before booking flights from Seattle to Kolkata?

Yes, you can enrol in the reward program before booking flights from Seattle to Kolkata, if you haven't already done so. Our reward program is carefully designed to offer you maximum benefits. You will earn reward points for every flight ticket purchased and these can later be redeemed to get discounts on future flight ticket booking.

Popular Cabin Class for Travel to Kolkata from Seattle

Major airlines operating from Seattle to Kolkata offer world-class services regardless of the cabin class you choose to travel. Indian Eagle customers flying from SEA to CCU mostly prefer economy and premium economy class. Business travelers and senior citizens traveling to Kolkata from Seattle usually prefer business class seats while some even book first class for a premium and comfortable experience. No matter which cabin class you prefer, booking your itinerary with Indian Eagle will give you the best airfare available. So, why wait? Book your cheap flights from Seattle to Kolkata today!

What is the cost of a flight from Seattle to Kolkata?

Flights from Seattle to Kolkata can be expensive but if you choose Indian Eagle, you will be able to find the best available airfare. You just need to add the source city, destination city, travel dates and other required information and click on 'search flights'. You will be shown multiple deals from various airlines. You can choose one as per your preference and continue to the bookings page. The cost to fly to Kolkata from Seattle at Indian Eagle is the lowest you will find online. To further save more, you can redeem your reward points.

Frequently Asked Questions:

Does Indian Eagle offer discounts on Seattle to Kolkata flights?

Yes, Indian Eagle provides discounts on flights to Kolkata from Seattle time and again. Subscribe to the Indian Eagle newsletter to stay informed about the latest offers.

Does Indian Eagle provide loyalty points when booking flights from Seattle to Kolkata

Yes, the Indian Eagle Rewards Program has been carefully-designed to give passengers booking flights with us loyalty benefits. No matter if you travel from Seattle to Kolkata or anywhere else, you gain Eagle Points every time you book with us.

Can I choose premium economy when booking Seattle to Kolkata flights with Indian Eagle?

At present, premium economy is available on select routes and with select airlines only. You can contact the Indian Eagle customer care team to know if the airline you prefer is offering premium economy on flights from Seattle to Kolkata.

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