$400 - Flight tickets from Seattle(SEA) to Kolkata(CCU)
Airline
09:45 AM on Mar 17, 2026 SEA
1 Stop {SIN} | Trip Duration: 24 hr 10 min
10:25 PM on Mar 18, 2026 CCU
Singapore Airlines 27 / 516

Book flights from SEA to CCU at 09:45 AM with Singapore Airlines on Mar 17, 2026

$400
Hurry! Only 0 seats left at this fare
Airline
09:45 AM on Mar 17, 2026 SEA
1 Stop {SIN} | Trip Duration: 24 hr 10 min
10:25 PM on Mar 18, 2026 CCU
Singapore Airlines 27 / 516

Book flights from SEA to CCU at 09:45 AM with Singapore Airlines on Mar 17, 2026

$350.17
Hurry! Only 0 seats left at this fare
Airline
09:45 AM on Mar 17, 2026 SEA
1 Stop {SIN} | Trip Duration: 24 hr 10 min
10:25 PM on Mar 18, 2026 CCU
Singapore Airlines 27 / 516

Book flights from SEA to CCU at 09:45 AM with Singapore Airlines on Mar 17, 2026

$374.44
Hurry! Only 0 seats left at this fare
Airline
09:45 AM on Mar 17, 2026 SEA
1 Stop {SIN} | Trip Duration: 24 hr 10 min
10:25 PM on Mar 18, 2026 CCU
Singapore Airlines 27 / 516

Book flights from SEA to CCU at 09:45 AM with Singapore Airlines on Mar 17, 2026

$415.30
Airline Airline
10:51 PM on Mar 17, 2026 SEA
2 Stops {JFK | BOM} | Trip Duration: 32 hr 34 min
07:55 PM on Mar 19, 2026 CCU
Flight 22 operated by ALASKA Alaska Airlines 22 | Air India 116 / 2481

Book flights from SEA to CCU at 10:51 PM with Air India on Mar 17, 2026

$432.53
Hurry! Only 3 seats left at this fare
Airline Airline
10:51 PM on Mar 17, 2026 SEA
2 Stops {JFK | DEL} | Trip Duration: 32 hr 54 min
08:15 PM on Mar 19, 2026 CCU
Flight 22 operated by ALASKA Alaska Airlines 22 | Air India 102 / 2403

Book flights from SEA to CCU at 10:51 PM with Air India on Mar 17, 2026

$464.53
Hurry! Only 3 seats left at this fare
Airline Airline
10:45 PM on Mar 17, 2026 SEA
2 Stops {EWR | BOM} | Trip Duration: 29 hr 35 min
04:50 PM on Mar 19, 2026 CCU
Alaska Airlines 1473 | Air India 144 / 2773

Book flights from SEA to CCU at 10:45 PM with Air India on Mar 17, 2026

$528.53
Airline Airline
11:59 PM on Mar 17, 2026 SEA
2 Stops {EWR | BOM} | Trip Duration: 28 hr 21 min
04:50 PM on Mar 19, 2026 CCU
United Airlines 2211 | Air India 144 / 2773

Book flights from SEA to CCU at 11:59 PM with Air India on Mar 17, 2026

$564.50
Airline Airline
11:50 PM on Mar 17, 2026 SEA
2 Stops {ORD | AUH} | Trip Duration: 38 hr 20 min
02:40 AM on Mar 20, 2026 CCU
American Airlines 1106 | Etihad Airways 10 / 220

Book flights from SEA to CCU at 11:50 PM with Etihad Airways on Mar 17, 2026

$569.50
Airline Airline
11:50 PM on Mar 17, 2026 SEA
2 Stops {ORD | AUH} | Trip Duration: 38 hr 20 min
02:40 AM on Mar 20, 2026 CCU
American Airlines 1106 | Etihad Airways 10 / 220

Book flights from SEA to CCU at 11:50 PM with Etihad Airways on Mar 17, 2026

$578.70
Airline Airline
11:50 PM on Mar 17, 2026 SEA
2 Stops {ORD | AUH} | Trip Duration: 38 hr 20 min
02:40 AM on Mar 20, 2026 CCU
American Airlines 1106 | Etihad Airways 10 / 220

Book flights from SEA to CCU at 11:50 PM with Etihad Airways on Mar 17, 2026

$607.53
Airline Airline
11:50 PM on Mar 17, 2026 SEA
2 Stops {ORD | AUH} | Trip Duration: 38 hr 20 min
02:40 AM on Mar 20, 2026 CCU
American Airlines 1106 | Etihad Airways 10 / 220

Book flights from SEA to CCU at 11:50 PM with Etihad Airways on Mar 17, 2026

$644.50
Airline
11:40 AM on Mar 17, 2026 SEA
2 Stops {SFO | DOH} | Trip Duration: 25 hr 45 min
01:55 AM on Mar 19, 2026 CCU
Flight 2105 operated by ALASKA Qatar Airways 2105 / 738 / 540

Book flights from SEA to CCU at 11:40 AM with Qatar Airways on Mar 17, 2026

$717.19
Airline
10:31 AM on Mar 17, 2026 SEA
2 Stops {DFW | DOH} | Trip Duration: 26 hr 54 min
01:55 AM on Mar 19, 2026 CCU
Flight 7558 operated by American Airlines Qatar Airways 7558 / 730 / 540

Book flights from SEA to CCU at 10:31 AM with Qatar Airways on Mar 17, 2026

$741.53
Airline
10:43 AM on Mar 17, 2026 SEA
2 Stops {JFK | DOH} | Trip Duration: 26 hr 42 min
01:55 AM on Mar 19, 2026 CCU
Flight 3313 operated by ALASKA Qatar Airways 3313 / 702 / 540

Book flights from SEA to CCU at 10:43 AM with Qatar Airways on Mar 17, 2026

$746.97
Airline
10:53 AM on Mar 17, 2026 SEA
2 Stops {LAX | DOH} | Trip Duration: 26 hr 32 min
01:55 AM on Mar 19, 2026 CCU
Flight 8800 operated by ALASKA Qatar Airways 8800 / 740 / 540

Book flights from SEA to CCU at 10:53 AM with Qatar Airways on Mar 17, 2026

$765.53
Airline
08:00 PM on Mar 17, 2026 SEA
2 Stops {IST | BOM} | Trip Duration: 27 hr 55 min
12:25 PM on Mar 19, 2026 CCU
Flight 4750 operated by IndiGo | Flight 4738 operated by IndiGo Turkish Airlines 204 / 4750 / 4738

Book flights from SEA to CCU at 08:00 PM with Turkish Airlines on Mar 17, 2026

$774.63
Hurry! Only 0 seats left at this fare
Airline
08:00 PM on Mar 17, 2026 SEA
2 Stops {IST | DEL} | Trip Duration: 26 hr 40 min
11:10 AM on Mar 19, 2026 CCU
Flight 4700 operated by IndiGo Turkish Airlines 204 / 716 / 4700

Book flights from SEA to CCU at 08:00 PM with Turkish Airlines on Mar 17, 2026

$807.70
Hurry! Only 4 seats left at this fare
Airline
08:00 PM on Mar 17, 2026 SEA
2 Stops {IST | BOM} | Trip Duration: 27 hr 55 min
12:25 PM on Mar 19, 2026 CCU
Flight 4750 operated by 6E/AIR INDIGO | Flight 4738 operated by IndiGo Turkish Airlines 204 / 4750 / 4738

Book flights from SEA to CCU at 08:00 PM with Turkish Airlines on Mar 17, 2026

$851.70
Hurry! Only 4 seats left at this fare
Airline Airline
08:00 PM on Mar 17, 2026 SEA
2 Stops {IST | BOM} | Trip Duration: 29 hr 45 min
02:15 PM on Mar 19, 2026 CCU
Turkish Airlines 204 / 720 | Air India 2471

Book flights from SEA to CCU at 08:00 PM with Turkish Airlines on Mar 17, 2026

$868.37
Hurry! Only 0 seats left at this fare
Airline Airline
01:10 AM on Mar 17, 2026 SEA
2 Stops {TPE | SIN} | Trip Duration: 32 hr 45 min
10:25 PM on Mar 18, 2026 CCU
EVA Air 25 / 225 | Singapore Airlines 516

Book flights from SEA to CCU at 01:10 AM with EVA Air on Mar 17, 2026

$891.20
Airline Airline
01:10 AM on Mar 17, 2026 SEA
2 Stops {TPE | SIN} | Trip Duration: 32 hr 45 min
10:25 PM on Mar 18, 2026 CCU
EVA Air 25 / 225 | Singapore Airlines 516

Book flights from SEA to CCU at 01:10 AM with EVA Air on Mar 17, 2026

$893.43
Airline Airline
11:50 PM on Mar 17, 2026 SEA
2 Stops {TPE | SIN} | Trip Duration: 34 hr 05 min
10:25 PM on Mar 19, 2026 CCU
EVA Air 23 / 215 | Singapore Airlines 516

Book flights from SEA to CCU at 11:50 PM with EVA Air on Mar 17, 2026

$904.50
Hurry! Only 4 seats left at this fare
Airline Airline
11:50 PM on Mar 17, 2026 SEA
2 Stops {TPE | SIN} | Trip Duration: 34 hr 05 min
10:25 PM on Mar 19, 2026 CCU
EVA Air 23 / 215 | Singapore Airlines 516

Book flights from SEA to CCU at 11:50 PM with EVA Air on Mar 17, 2026

$914.20
Hurry! Only 4 seats left at this fare
Airline Airline
05:05 PM on Mar 17, 2026 SEA
2 Stops {DXB | DEL} | Trip Duration: 28 hr 25 min
10:00 AM on Mar 19, 2026 CCU
Emirates 230 / 512 | SpiceJet 263

Book flights from SEA to CCU at 05:05 PM with Emirates on Mar 17, 2026

$935.10
Airline Airline
05:05 PM on Mar 17, 2026 SEA
2 Stops {DXB | BOM} | Trip Duration: 29 hr 15 min
10:50 AM on Mar 19, 2026 CCU
Emirates 230 / 500 | SpiceJet 488

Book flights from SEA to CCU at 05:05 PM with Emirates on Mar 17, 2026

$940.10
Airline
10:55 AM on Mar 17, 2026 SEA
2 Stops {ORD | DXB} | Trip Duration: 32 hr 15 min
07:40 AM on Mar 19, 2026 CCU
Flight 6356 operated by United Airlines Emirates 6356 / 236 / 570

Book flights from SEA to CCU at 10:55 AM with Emirates on Mar 17, 2026

$945.10
Hurry! Only 0 seats left at this fare
Airline
05:05 PM on Mar 17, 2026 SEA
1 Stop {DXB} | Trip Duration: 26 hr 05 min
07:40 AM on Mar 19, 2026 CCU
Emirates 230 / 570

Book flights from SEA to CCU at 05:05 PM with Emirates on Mar 17, 2026

$950.10
Hurry! Only 0 seats left at this fare
Airline
03:00 PM on Mar 17, 2026 SEA
2 Stops {FRA | DEL} | Trip Duration: 29 hr 10 min
08:40 AM on Mar 19, 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 03:00 PM with Lufthansa on Mar 17, 2026

$960.03
Hurry! Only 4 seats left at this fare
Airline
03:00 PM on Mar 17, 2026 SEA
2 Stops {FRA | DEL} | Trip Duration: 29 hr 10 min
08:40 AM on Mar 19, 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 03:00 PM with Lufthansa on Mar 17, 2026

$1012.63
Hurry! Only 4 seats left at this fare
Airline
03:00 PM on Mar 17, 2026 SEA
2 Stops {FRA | DEL} | Trip Duration: 29 hr 10 min
08:40 AM on Mar 19, 2026 CCU
Flight 5286 operated by Air India Lufthansa 491 / 760 / 5286

Book flights from SEA to CCU at 03:00 PM with Lufthansa on Mar 17, 2026

$1053.97
Hurry! Only 4 seats left at this fare
Airline
03:00 PM on Mar 17, 2026 SEA
2 Stops {FRA | DEL} | Trip Duration: 29 hr 10 min
08:40 AM on Mar 19, 2026 CCU
Flight 5286 operated by Air India Lufthansa 491 / 760 / 5286

Book flights from SEA to CCU at 03:00 PM with Lufthansa on Mar 17, 2026

$1349.70
Hurry! Only 4 seats left at this fare
Airline Airline
12:00 PM on Mar 17, 2026 SEA
2 Stops {ICN | BKK} | Trip Duration: 24 hr 10 min
12:40 AM on Mar 19, 2026 CCU
Korean Air 42 / 651 | Thai Airways International 313

Book flights from SEA to CCU at 12:00 PM with Korean Air on Mar 17, 2026

$1527.87
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Prices observed in the past 7 days start at 400 for one-way flights and 716.83 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
SEA 08:45 AM Feb 27, 2026
24 hr 10 min connectingImg 1 Stop
CCU 10:25 PM Feb 28, 2026
Airline
CCU 11:30 PM Apr 10, 2026
21 hr 45 min connectingImg 1 Stop
SEA 08:45 AM Apr 11, 2026
$716.83
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 02:44 PM Feb 27, 2026
39 hr 41 min connectingImg 2 Stops
CCU 07:55 PM Mar 01, 2026
Airline Airline
CCU 10:30 AM Apr 10, 2026
40 hr 49 min connectingImg 2 Stops
SEA 02:49 PM Apr 11, 2026
$831.05
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 Airline
SEA 04:05 PM Feb 27, 2026
29 hr 15 min connectingImg 2 Stops
CCU 10:50 AM Mar 01, 2026
Airline Airline
CCU 03:20 PM Apr 10, 2026
34 hr 35 min connectingImg 2 Stops
SEA 01:25 PM Apr 11, 2026
$1374.79
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
SEA 04:05 PM Feb 27, 2026
20 hr 20 min connectingImg 1 Stop
CCU 01:55 AM Mar 01, 2026
Airline
CCU 04:00 AM Apr 10, 2026
42 hr 49 min connectingImg 2 Stops
SEA 10:19 AM Apr 11, 2026
$1457.09
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
SEA 09:45 AM Mar 17, 2026
24 hr 10 min connectingImg 1 Stop
CCU 10:25 PM Mar 18, 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 Airline
SEA 10:51 PM Mar 17, 2026
32 hr 34 min connectingImg 2 Stops
CCU 07:55 PM Mar 19, 2026
$432.53
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 Airline
SEA 11:50 PM Mar 17, 2026
38 hr 20 min connectingImg 2 Stops
CCU 02:40 AM Mar 20, 2026
$564.50
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 11:40 AM Mar 17, 2026
25 hr 45 min connectingImg 2 Stops
CCU 01:55 AM Mar 19, 2026
$578.70
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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