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Cheap flights from Washington to Kolkata from $468

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Kolkata departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
8:45 am - 10:25 pm
SEA
-
CCU
24h 10m1 stop
Singapore Airlines Logo
11:40 pm - 7:10 am
CCU
-
SEA
21h 00m1 stop
$797Singapore Airlines
Tue, Jan 27 - Wed, Feb 4
Multiple Airlines Logo
8:45 am - 10:25 pm
SEA
-
CCU
24h 10m1 stop
Multiple Airlines Logo
11:40 pm - 7:05 pm
CCU
-
SEA
32h 55m2 stops
$875Multiple Airlines
Tue, Jan 27 - Wed, Feb 4
Singapore Airlines Logo
10:15 am - 10:15 pm
SEA
-
CCU
23h 30m1 stop
Singapore Airlines Logo
11:30 pm - 8:45 am
CCU
-
SEA
21h 45m1 stop
$888Singapore Airlines
Fri, Apr 24 - Sat, May 9
Multiple Airlines Logo
9:24 pm - 10:15 pm
SEA
-
CCU
36h 21m2 stops
Multiple Airlines Logo
11:30 pm - 8:45 am
CCU
-
SEA
21h 45m1 stop
$905Multiple Airlines
Fri, Apr 24 - Sat, May 9
Multiple Airlines Logo
8:45 am - 10:25 pm
SEA
-
CCU
24h 10m1 stop
Multiple Airlines Logo
11:40 pm - 5:52 pm
CCU
-
SEA
31h 42m3 stops
$928Multiple Airlines
Tue, Jan 27 - Wed, Feb 4
Singapore Airlines Logo
9:45 am - 10:25 pm
SEA
-
CCU
48h 10m1 stop
Singapore Airlines Logo
11:30 pm - 8:45 am
CCU
-
SEA
21h 45m1 stop
$933Singapore Airlines
Fri, Mar 20 - Thu, Apr 16
Multiple Airlines Logo
8:45 am - 10:25 pm
SEA
-
CCU
24h 10m1 stop
Multiple Airlines Logo
11:40 pm - 8:47 pm
CCU
-
SEA
34h 37m2 stops
$947Multiple Airlines
Sun, Feb 15 - Sun, Feb 22
Qatar Airways Logo
7:10 am - 1:55 am
PDX
-
CCU
29h 15m2 stops
Qatar Airways Logo
3:25 am - 3:48 pm
CCU
-
PDX
25h 53m2 stops
$1,158Qatar Airways
Tue, Feb 10 - Fri, Mar 6
Qatar Airways Logo
7:05 am - 1:55 am
PDX
-
CCU
29h 20m2 stops
Qatar Airways Logo
3:25 am - 7:33 pm
CCU
-
PDX
53h 38m2 stops
$1,193Qatar Airways
Tue, Feb 10 - Fri, Mar 6
KLM Logo
1:25 pm - 7:45 am
PDX
-
CCU
28h 50m2 stops
KLM Logo
8:15 pm - 11:25 am
CCU
-
PDX
28h 40m2 stops
$1,244KLM
Fri, Feb 20 - Sun, Mar 1

Singapore Airlines flights from State of Washington to Kolkata

Our best Singapore Airlines deals on State of Washington to Kolkata flight tickets
Singapore Airlines
Jan 27
SEA8:45 amSeattle/Tacoma Intl
24h 10m
1 stop
CCU10:25 pmKolkata Netaji S. Chandra
Feb 4
CCU11:40 pmKolkata Netaji S. Chandra
21h 00m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$797
Find similar
Singapore Airlines
Apr 24
SEA10:15 amSeattle/Tacoma Intl
23h 30m
1 stop
CCU10:15 pmKolkata Netaji S. Chandra
May 9
CCU11:30 pmKolkata Netaji S. Chandra
21h 45m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$888
Find similar
Singapore Airlines
Mar 20
SEA9:45 amSeattle/Tacoma Intl
48h 10m
1 stop
CCU10:25 pmKolkata Netaji S. Chandra
Apr 16
CCU11:30 pmKolkata Netaji S. Chandra
21h 45m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$933
Find similar

Qatar Airways flights from State of Washington to Kolkata

Our best Qatar Airways deals on State of Washington to Kolkata flight tickets
Qatar Airways
Mar 20
SEA8:05 amSeattle/Tacoma Intl
29h 20m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Apr 15
CCU3:50 amKolkata Netaji S. Chandra
21h 25m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
$1,054
Find similar
Qatar Airways
Jan 18
SEA8:50 pmSeattle/Tacoma Intl
39h 35m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Jan 24
CCU3:25 amKolkata Netaji S. Chandra
21h 45m
1 stop
SEA11:40 amSeattle/Tacoma Intl
$1,065
Find similar
Qatar Airways
Jan 18
SEA8:50 pmSeattle/Tacoma Intl
39h 35m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Jan 24
CCU3:25 amKolkata Netaji S. Chandra
32h 03m
2 stops
SEA9:58 pmSeattle/Tacoma Intl
$1,081
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Kolkata that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Washington to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 1/27

8:45 am-10:25 pm

1 stop24h 10m

Kolkata Netaji S. Chandra

Wed 2/4

11:40 pm-7:10 am

1 stop21h 00m

$797

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 1/27

8:45 am-10:25 pm

1 stop24h 10m

Kolkata Netaji S. Chandra

Wed 2/4

11:40 pm-7:05 pm

2 stops32h 55m

$875

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 4/24

10:15 am-10:15 pm

1 stop23h 30m

Kolkata Netaji S. Chandra

Sat 5/9

11:30 pm-8:45 am

1 stop21h 45m

$888

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 4/24

9:24 pm-10:15 pm

2 stops36h 21m

Kolkata Netaji S. Chandra

Sat 5/9

11:30 pm-8:45 am

1 stop21h 45m

$905

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 1/27

8:45 am-10:25 pm

1 stop24h 10m

Kolkata Netaji S. Chandra

Wed 2/4

11:40 pm-5:52 pm

3 stops31h 42m

$928

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 3/20

9:45 am-10:25 pm

1 stop48h 10m

Kolkata Netaji S. Chandra

Thu 4/16

11:30 pm-8:45 am

1 stop21h 45m

$933

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sun 2/15

8:45 am-10:25 pm

1 stop24h 10m

Kolkata Netaji S. Chandra

Sun 2/22

11:40 pm-8:47 pm

2 stops34h 37m

$947

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Tue 2/10

7:10 am-1:55 am

2 stops29h 15m

Kolkata Netaji S. Chandra

Fri 3/6

3:25 am-3:48 pm

2 stops25h 53m

$1,158

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Tue 2/10

7:05 am-1:55 am

2 stops29h 20m

Kolkata Netaji S. Chandra

Fri 3/6

3:25 am-7:33 pm

2 stops53h 38m

$1,193

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Fri 2/20

1:25 pm-7:45 am

2 stops28h 50m

Kolkata Netaji S. Chandra

Sun 3/1

8:15 pm-11:25 am

2 stops28h 40m

$1,244

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kolkata from

How to get the cheapest flight ticket from State of Washington to Kolkata

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Kolkata?

The month of September is, on average, the cheapest month to fly to Kolkata from State of Washington, with most prices found around $788. If you aren’t able to travel during the month of September, then book flights to Kolkata from State of Washington during April instead. Flights to Kolkata in April, while not as cheap as those in September, still average around $968.

What is the cheapest day to depart on your flight to Kolkata?

On average, the least expensive day to fly to Kolkata from State of Washington is on a Monday. momondo users have found tickets for Monday departures for as low as $1,171. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Sunday is $1,676.

What is the cheapest Washington to Kolkata Netaji S. Chandra flight route?

Fly from Seattle/Tacoma Intl to Kolkata Netaji S. Chandra for the best Washington - Kolkata Netaji S. Chandra flight prices

How far in advance should I book a flight to Kolkata?

You are more likely to see cheaper flights to Kolkata from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around $1,117 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from State of Washington for as low as $848 on momondo.

What cabin class options are available on Washington to Kolkata Netaji S. Chandra flights?

There is only 1 cabin class available to choose from on Washington to Kolkata Netaji S. Chandra flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Kolkata flights?

You could potentially save up to 54% on your flight if you consider stops on a State of Washington to Kolkata flight.

Cheap State of Washington to Kolkata flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Kolkata

Fastest flight time

20h 20m

Direct flights

None
The fastest flight from State of Washington to Kolkata takes 20h 20m
There are no direct flights from State of Washington to Kolkata. There are no popular flight routes from State of Washington to Kolkata.
Search flight deals

  • When did momondo last update prices for flights from Washington to Kolkata Netaji S. Chandra Airport?

    Prices for flights from Washington to Kolkata Netaji S. Chandra Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Kolkata Netaji S. Chandra Airport?

  • How old do you have to be to fly from Washington to Kolkata Netaji S. Chandra Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Kolkata Netaji S. Chandra Airport.

  • What documentation or ID do you need to fly to Kolkata Netaji S. Chandra Airport?

    The travel and health documents you'll need for your trip to Kolkata Netaji S. Chandra Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kolkata Netaji S. Chandra Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Kolkata

Compare and see reviews for airlines that fly from State of Washington to Kolkata with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $714Free CancellationRating
8.1
1,415 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $897Free CancellationRating
7.4
3,686 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $1,137Free CancellationRating
7.3
4,111 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,497Free CancellationRating
8.1
3,441 reviews
Search Emirates flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Kolkata?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to Kolkata for you.

Can I find flights from Washington to Kolkata with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Kolkata from Washington with this policy.

How can momondo help me find flights from Washington to Kolkata?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Kolkata from Washington.

I’m not ready to book a flight from Washington to Kolkata right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Kolkata flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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