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Cheap flights from Washington to Kolkata from $327

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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Cheap round-trip flights

Singapore Airlines Logo
8:45 am - 10:25 pmSEA-CCU
24h 10m1 stop
Singapore Airlines Logo
11:40 pm - 7:10 amCCU-SEA
21h 00m1 stop
$865Singapore Airlines
Find Deal
Tue, Nov 4 - Wed, Dec 10
Singapore Airlines Logo
9:45 am - 10:25 pmSEA-CCU
24h 10m1 stop
Singapore Airlines Logo
11:40 pm - 7:10 amCCU-SEA
21h 00m1 stop
$905Singapore Airlines
Find Deal
Fri, Oct 31 - Wed, Dec 10
Logo
8:25 pm - 10:25 pmSEA-CCU
36h 30m2 stops
Logo
11:40 pm - 7:10 amCCU-SEA
21h 00m1 stop
$908
Find Deal
Tue, Nov 4 - Wed, Dec 10
Singapore Airlines Logo
8:45 am - 10:25 pmSEA-CCU
24h 10m1 stop
Singapore Airlines Logo
11:40 pm - 7:10 amCCU-SEA
45h 00m1 stop
$945Singapore Airlines
Find Deal
Tue, Nov 4 - Tue, Dec 16
KLM Logo
3:00 pm - 7:10 amSEA-CCU
26h 40m2 stops
KLM Logo
6:30 pm - 11:25 amCCU-SEA
30h 25m2 stops
$984KLM
Find Deal
Mon, Nov 3 - Wed, Dec 10
Air India Logo
11:56 pm - 9:35 pmSEA-CCU
33h 09m2 stops
Air India Logo
6:25 am - 10:21 pmCCU-SEA
52h 26m2 stops
$986Air India
Find Deal
Mon, Oct 13 - Mon, Oct 20
Logo
8:25 pm - 10:25 pmSEA-CCU
36h 30m2 stops
Logo
11:40 pm - 7:10 amCCU-SEA
45h 00m1 stop
$992
Find Deal
Tue, Nov 4 - Tue, Dec 9
Air India Logo
11:56 pm - 4:15 amSEA-CCU
39h 49m2 stops
Air India Logo
7:55 pm - 10:21 pmCCU-SEA
38h 56m2 stops
$1,069Air India
Find Deal
Tue, Oct 14 - Tue, Oct 21
KLM Logo
2:10 pm - 7:40 amSEA-CCU
29h 00m2 stops
KLM Logo
6:30 pm - 11:50 amCCU-SEA
30h 50m2 stops
$1,109KLM
Find Deal
Thu, Oct 23 - Thu, Dec 4
Virgin Atlantic Logo
5:35 pm - 9:05 amSEA-CCU
27h 00m2 stops
Virgin Atlantic Logo
7:00 pm - 7:50 pmCCU-SEA
37h 20m2 stops
$1,111Virgin Atlantic
Find Deal
Wed, Oct 1 - Sun, Oct 19

Singapore Airlines flights from State of Washington to Kolkata

Our best Singapore Airlines deals on State of Washington to Kolkata flight tickets
Singapore Airlines
Nov 4
SEA8:45 amSeattle/Tacoma Intl
24h 10m
1 stop
CCU10:25 pmKolkata Netaji S. Chandra
Dec 10
CCU11:40 pmKolkata Netaji S. Chandra
21h 00m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$865
Find similar
Singapore Airlines
Oct 31
SEA9:45 amSeattle/Tacoma Intl
24h 10m
1 stop
CCU10:25 pmKolkata Netaji S. Chandra
Dec 10
CCU11:40 pmKolkata Netaji S. Chandra
21h 00m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$905
Find similar
Singapore Airlines
Nov 4
SEA8:45 amSeattle/Tacoma Intl
24h 10m
1 stop
CCU10:25 pmKolkata Netaji S. Chandra
Dec 16
CCU11:40 pmKolkata Netaji S. Chandra
45h 00m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$945
Find similar

KLM flights from State of Washington to Kolkata

Our best KLM deals on State of Washington to Kolkata flight tickets
KLM
Nov 3
SEA3:00 pmSeattle/Tacoma Intl
26h 40m
2 stops
CCU7:10 amKolkata Netaji S. Chandra
Dec 10
CCU6:30 pmKolkata Netaji S. Chandra
30h 25m
2 stops
SEA11:25 amSeattle/Tacoma Intl
$984
Find similar
KLM
Oct 23
SEA2:10 pmSeattle/Tacoma Intl
29h 00m
2 stops
CCU7:40 amKolkata Netaji S. Chandra
Dec 4
CCU6:30 pmKolkata Netaji S. Chandra
30h 50m
2 stops
SEA11:50 amSeattle/Tacoma Intl
$1,109
Find similar
KLM
Jan 2
PDX1:25 pmPortland
30h 00m
2 stops
CCU8:55 amKolkata Netaji S. Chandra
Jan 24
CCU6:30 pmKolkata Netaji S. Chandra
30h 25m
2 stops
PDX11:25 amPortland
$2,328
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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 September 15, 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 11/4

8:45 am-10:25 pm

1 stop24h 10m

Kolkata Netaji S. Chandra

Wed 12/10

11:40 pm-7:10 am

1 stop21h 00m

$865

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 10/31

9:45 am-10:25 pm

1 stop24h 10m

Kolkata Netaji S. Chandra

Wed 12/10

11:40 pm-7:10 am

1 stop21h 00m

$905

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 11/4

8:25 pm-10:25 pm

2 stops36h 30m

Kolkata Netaji S. Chandra

Wed 12/10

11:40 pm-7:10 am

1 stop21h 00m

$908

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 11/4

8:45 am-10:25 pm

1 stop24h 10m

Kolkata Netaji S. Chandra

Tue 12/16

11:40 pm-7:10 am

1 stop45h 00m

$945

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Mon 11/3

3:00 pm-7:10 am

2 stops26h 40m

Kolkata Netaji S. Chandra

Wed 12/10

6:30 pm-11:25 am

2 stops30h 25m

$984

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Mon 10/13

11:56 pm-9:35 pm

2 stops33h 09m

Kolkata Netaji S. Chandra

Mon 10/20

6:25 am-10:21 pm

2 stops52h 26m

$986

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 11/4

8:25 pm-10:25 pm

2 stops36h 30m

Kolkata Netaji S. Chandra

Tue 12/9

11:40 pm-7:10 am

1 stop45h 00m

$992

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 10/14

11:56 pm-4:15 am

2 stops39h 49m

Kolkata Netaji S. Chandra

Tue 10/21

7:55 pm-10:21 pm

2 stops38h 56m

$1,069

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Thu 10/23

2:10 pm-7:40 am

2 stops29h 00m

Kolkata Netaji S. Chandra

Thu 12/4

6:30 pm-11:50 am

2 stops30h 50m

$1,109

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Wed 10/1

5:35 pm-9:05 am

2 stops27h 00m

Kolkata Netaji S. Chandra

Sun 10/19

7:00 pm-7:50 pm

2 stops37h 20m

$1,111

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 February instead. Flights to Kolkata in February, while not as cheap as those in September, still average around $962.

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 $1,234 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 $868 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 6% 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

Direct flights

None
There are no direct flights from State of Washington to Kolkata. There are no popular flight routes from State of Washington to Kolkata.
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  • 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 $736Free CancellationRating
8.1
1,365 reviews
Search Singapore Airlines flights
Turkish AirlinesPriceFrom $1,137Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,485Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,768Free CancellationRating
8.1
3,334 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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