$400 - Flight tickets from Seattle(SEA) to Kolkata(CCU)
Airline Airline
11:43 AM on Jan 29, 2026 SEA
3 Stops {SFO | VIE | BOM} | Trip Duration: 44 hr 57 min
10:10 PM on Jan 31, 2026 CCU
Flight 655 operated by ALASKA Alaska Airlines 655 | Air India 180 / 2411

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

$400
Hurry! Only 3 seats left at this fare
Airline Airline
12:35 PM on Jan 29, 2026 SEA
3 Stops {SFO | VIE | BOM} | Trip Duration: 44 hr 05 min
10:10 PM on Jan 31, 2026 CCU
United Airlines 1482 | Air India 180 / 2411

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

$740.70
Airline Airline
11:43 AM on Jan 29, 2026 SEA
3 Stops {SFO | VIE | BOM} | Trip Duration: 37 hr 02 min
02:15 PM on Jan 31, 2026 CCU
Alaska Airlines 655 | Air India 180 / 2471

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

$743.20
Airline Airline
12:35 PM on Jan 29, 2026 SEA
3 Stops {SFO | VIE | BOM} | Trip Duration: 36 hr 10 min
02:15 PM on Jan 31, 2026 CCU
United Airlines 1482 | Air India 180 / 2471

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

$771.70
Airline
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

$786.70
Hurry! Only 3 seats left at this fare
Airline
11:06 AM on Jan 29, 2026 SEA
2 Stops {JFK | DOH} | Trip Duration: 25 hr 19 min
01:55 AM on Jan 31, 2026 CCU
Flight 3313 operated by ALASKA Qatar Airways 3313 / 702 / 540

Book flights from SEA to CCU at 11:06 AM with Qatar Airways on Jan 29, 2026

$793.70
Airline
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

$875.02
Airline
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

$942.60
Airline
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

$946.60
Hurry! Only 4 seats left at this fare
Airline
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

$950.60
Hurry! Only 4 seats left at this fare
Airline Airline
07:00 PM on Jan 29, 2026 SEA
2 Stops {IST | BOM} | Trip Duration: 29 hr 45 min
02:15 PM on Jan 31, 2026 CCU
Turkish Airlines 204 / 720 | Air India 2471

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

$952.60
Hurry! Only 0 seats left at this fare
Airline Airline
07:00 PM on Jan 29, 2026 SEA
2 Stops {IST | BOM} | Trip Duration: 29 hr 45 min
02:15 PM on Jan 31, 2026 CCU
Flight 4750 operated by IndiGo Turkish Airlines 204 / 4750 | Air India 2471

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

$972.20
Hurry! Only 0 seats left at this fare
Airline
02:00 PM on Jan 29, 2026 SEA
2 Stops {FRA | DEL} | Trip Duration: 53 hr 10 min
08:40 AM on Feb 01, 2026 CCU
Flight 7252 operated by Air India | Flight 5286 operated by Air India Lufthansa 491 / 7252 / 5286

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

$1008.90
Hurry! Only 4 seats left at this fare
Airline
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

$1021.70
Hurry! Only 4 seats left at this fare
Airline Airline
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
Flight 5294 operated by Air India Lufthansa 491 / 5294 | Air India 1791

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

$1041.97
Hurry! Only 4 seats left at this fare
Airline Airline
02:00 PM on Jan 29, 2026 SEA
2 Stops {FRA | BOM} | Trip Duration: 30 hr 20 min
09:50 AM on Jan 31, 2026 CCU
Lufthansa 491 / 756 | Air India 2771

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

$1094.50
Airline Airline
04:05 PM on Jan 29, 2026 SEA
2 Stops {DXB | BOM} | Trip Duration: 30 hr 50 min
12:25 PM on Jan 31, 2026 CCU
Flight 2136 operated by Flydubai Emirates 230 / 2136 | SpiceJet 488

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

$1098.50
Airline
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

$1111.40
Hurry! Only 0 seats left at this fare
Airline Airline
11:43 AM on Jan 29, 2026 SEA
2 Stops {SFO | DXB} | Trip Duration: 30 hr 27 min
07:40 AM on Jan 31, 2026 CCU
Alaska Airlines 655 | Emirates 226 / 570

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

$1111.46
Hurry! Only 3 seats left at this fare
Airline Airline
04:05 PM on Jan 29, 2026 SEA
2 Stops {DXB | DEL} | Trip Duration: 28 hr 25 min
10:00 AM on Jan 31, 2026 CCU
Emirates 230 / 512 | SpiceJet 263

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

$1118.86
Airline Airline
08:40 AM on Jan 29, 2026 SEA
3 Stops {DEN | EWR | DEL} | Trip Duration: 30 hr 05 min
04:15 AM on Jan 31, 2026 CCU
United Airlines 1505 / 82 | Air India 2702

Book flights from SEA to CCU at 08:40 AM with United Airlines on Jan 29, 2026

$1130.70
Airline Airline
11:45 PM on Jan 29, 2026 SEA
2 Stops {EWR | DEL} | Trip Duration: 39 hr 00 min
04:15 AM on Feb 01, 2026 CCU
United Airlines 341 / 82 | Air India 2702

Book flights from SEA to CCU at 11:45 PM with United Airlines on Jan 29, 2026

$1159.20
Airline Airline
11:45 PM on Jan 29, 2026 SEA
2 Stops {EWR | DEL} | Trip Duration: 44 hr 30 min
09:45 AM on Feb 01, 2026 CCU
United Airlines 341 / 82 | Air India 2705

Book flights from SEA to CCU at 11:45 PM with United Airlines on Jan 29, 2026

$1174.20
Airline Airline
11:45 PM on Jan 29, 2026 SEA
2 Stops {EWR | DEL} | Trip Duration: 44 hr 30 min
09:45 AM on Feb 01, 2026 CCU
United Airlines 341 / 82 | Air India 2705

Book flights from SEA to CCU at 11:45 PM with United Airlines on Jan 29, 2026

$1181.20
Airline
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

$1266.80
Hurry! Only 0 seats left at this fare
Airline
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

$1324.42
Hurry! Only 0 seats left at this fare
Airline
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

$1421.70
Hurry! Only 0 seats left at this fare
Airline
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

$3557.49
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Prices observed in the past 7 days start at 400 for one-way flights and 1077.05 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.
Airline Airline
SEA 11:43 AM Jan 21, 2026
39 hr 37 min connectingImg 3 Stops
CCU 04:50 PM Jan 23, 2026
Airline Airline
CCU 12:30 AM Jan 27, 2026
29 hr 47 min connectingImg 2 Stops
SEA 04:47 PM Jan 27, 2026
$1077.05
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.
Airline Airline
SEA 07:00 PM Jan 21, 2026
32 hr 20 min connectingImg 2 Stops
CCU 04:50 PM Jan 23, 2026
Airline
CCU 10:30 PM Jan 27, 2026
32 hr 05 min connectingImg 2 Stops
SEA 05:05 PM Jan 28, 2026
$1224.01
Found 20hrs 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.
Airline
SEA 05:59 PM Jan 21, 2026
42 hr 26 min connectingImg 2 Stops
CCU 01:55 AM Jan 24, 2026
Airline
CCU 03:25 AM Jan 27, 2026
21 hr 45 min connectingImg 1 Stop
SEA 11:40 AM Jan 27, 2026
$1268.58
Found 20hrs ago
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.
Airline Airline
SEA 08:10 AM Jan 21, 2026
41 hr 35 min connectingImg 2 Stops
CCU 03:15 PM Jan 23, 2026
Airline Airline
CCU 03:10 PM Jan 27, 2026
44 hr 36 min connectingImg 3 Stops
SEA 10:16 PM Jan 28, 2026
$1537.99
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.
Airline Airline
SEA 11:43 AM Jan 29, 2026
44 hr 57 min connectingImg 3 Stops
CCU 10:10 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.
Airline
SEA 08:30 AM Jan 29, 2026
27 hr 55 min connectingImg 2 Stops
CCU 01:55 AM Jan 31, 2026
$743.20
Found 20hrs 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.
Airline
SEA 07:00 PM Jan 29, 2026
31 hr 15 min connectingImg 2 Stops
CCU 03:45 PM Jan 31, 2026
$786.70
Found 20hrs 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.
Airline
SEA 02:00 PM Jan 29, 2026
53 hr 10 min connectingImg 2 Stops
CCU 08:40 AM Feb 01, 2026
$942.60
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.
Airline
CCU 02:30 AM Dec 14, 2025
15 hr 45 min connectingImg Non Stop
LHR 07:45 AM Dec 15, 2025
Airline
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.
Airline
CCU 01:30 AM Dec 14, 2025
22 hr 00 min connectingImg 1 Stop
LHR 01:00 PM Dec 16, 2025
Airline
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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Find the Best Cheap Flights from Seattle to Kolkata

Travel to Kolkata without exceeding your budget with Indian Eagle, one of the leading online flight booking agencies. We help you get the cheapest airfare travel from the USA to your chosen destination. You can experience the ease of travel between Seattle and Kolkata with Indian Eagle's uncomplicated booking process and the best customer care support. Indian Eagle makes your trip affordable by providing cheap Seattle to Kolkata flights.

You can plan your trip, book cheap SEA to CCU flights with us easily. So that you can experience a memorable and budget-friendly adventure.

Top 5 Must-Do Activities in Kolkata

Here are some of the top things you can do in Kolkata with which you can have an unforgettable travel experience.

  • Visit some iconic landmarks that show the great richness of culture and history.
  • Walk around the local markets, buy unique souvenirs, try local street food, and also enjoy the local feel of Kolkata.
  • Take a nature walk or enjoy nature on scenic walks or hikes.
  • Enjoy local cuisine with authentic flavors that will give you the true flavor of Kolkata.
  • Discover art and culture through visits to the museums and galleries, thus experiencing local creativity and traditions.

How to Book a Cheap Flight from Seattle to Kolkata With Indian Eagle?

Flexible dates need to be selected to get a low fare. Indian Eagle provides the advanced fare calendar. Through this, it enables multiple choices and shows the days when traveling from Seattle to Kolkata is affordable. It will simply allow you to alter dates so you can save more by getting cheap flights from SEA to CCU.

Our fare alerts will keep you updated on any changes in prices. Sign up for alerts on your Seattle to Kolkata route, and Indian Eagle will let you know when the prices drop. That way, you don't need to check fares every day, we'll tell you when it's time to book for the best price.

Flights with layovers can save a lot of money. Indian Eagle offers you detailed options for layovers on your journey from Seattle to Kolkata. If time permits, a one-stop or two-stop flight can be very cost-effective while allowing you to visit another city on the way.

So, what are you waiting for? Start visiting and exploring the attractions of Kolkata. Markets and landmarks are surrounded by delectable food served along with local traditions. Book cheap flights from Seattle to Kolkata and discover the treasures in the depths of this place.


Frequently Asked Questions:

When should I book cheap flight tickets from Seattle to Kolkata?

The best time to book cheap flight tickets from Seattle to Kolkata is 4-6 weeks in advance, when cheaper fares will be available before the peak travel seasons.


How early should I arrive at the airport for my Seattle to Kolkata flight?

To ensure a smooth check-in process, it's recommended to arrive at least 3 hours before departure for an international flight.


Do I get a refund if I change my Seattle to Kolkata flight after it's been booked?

Changes can be done with charges that are based on the flight's changing policy. You can connect with Indian Eagle's customer service for guidance.


Does Indian Eagle offer last-minute flights from Seattle to Kolkata?

Yes, we do provide the cheapest last-minute Seattle to Kolkata flights.


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