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Cheap flights from Washington to Kolkata from $436

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
11:55 pm - 8:30 pm
SEA
-
CCU
32h 05m
2 stops
Etihad Airways Logo
9:30 pm - 8:42 pm
CCU
-
SEA
35h 42m
2 stops
$1,018Etihad Airways
Sat, Sep 12 - Mon, Sep 28
Multiple Airlines Logo
7:18 am - 10:35 pm
SEA
-
CCU
26h 47m
2 stops
Multiple Airlines Logo
11:30 pm - 8:45 am
CCU
-
SEA
21h 45m
1 stop
$1,063Multiple Airlines
Sat, Sep 12 - Mon, Sep 28
Etihad Airways Logo
11:55 pm - 8:30 pm
SEA
-
CCU
32h 05m
2 stops
Etihad Airways Logo
3:50 am - 8:42 pm
CCU
-
SEA
53h 22m
2 stops
$1,107Etihad Airways
Mon, Sep 14 - Sat, Sep 26
Singapore Airlines Logo
8:45 am - 10:25 pm
SEA
-
CCU
24h 10m
1 stop
Singapore Airlines Logo
11:40 pm - 7:10 am
CCU
-
SEA
21h 00m
1 stop
$1,116Singapore Airlines
Wed, Nov 18 - Fri, Dec 25
Multiple Airlines Logo
5:50 am - 2:55 am
SEA
-
CCU
32h 35m
2 stops
Multiple Airlines Logo
3:50 am - 12:11 am
CCU
-
SEA
32h 51m
2 stops
$1,117Multiple Airlines
Fri, Sep 4 - Fri, Sep 18
Qatar Airways Logo
6:30 am - 2:30 am
PDX
-
CCU
31h 30m
2 stops
Qatar Airways Logo
4:00 am - 11:28 pm
CCU
-
PDX
31h 58m
2 stops
$1,295Qatar Airways
Thu, Sep 24 - Mon, Sep 28
Qatar Airways Logo
8:31 am - 2:30 am
GEG
-
CCU
29h 29m
2 stops
Qatar Airways Logo
4:00 am - 10:25 pm
CCU
-
GEG
30h 55m
2 stops
$1,869Qatar Airways
Thu, Sep 24 - Mon, Sep 28
Japan Airlines Logo
10:29 am - 6:15 pm
PDX
-
CCU
43h 16m
3 stops
Japan Airlines Logo
10:15 am - 4:47 pm
CCU
-
PDX
43h 02m
3 stops
$3,496Japan Airlines
Wed, Jul 29 - Wed, Aug 12
British Airways Logo
7:30 pm - 10:25 am
PDX
-
CCU
26h 25m
2 stops
British Airways Logo
2:00 am - 5:40 pm
CCU
-
PDX
52h 10m
2 stops
$5,496British Airways
Thu, Oct 1 - Tue, Oct 20
British Airways Logo
3:00 pm - 9:40 am
PDX
-
CCU
54h 10m
3 stops
British Airways Logo
9:00 pm - 5:40 pm
CCU
-
PDX
33h 10m
2 stops
$5,718British Airways
Thu, Oct 1 - Wed, Oct 21

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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 18
SEA8:45 amSeattle/Tacoma Intl
24h 10m
1 stop
CCU10:25 pmKolkata Netaji S. Chandra
Dec 25
CCU11:40 pmKolkata Netaji S. Chandra
21h 00m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$1,116
Singapore Airlines
Nov 18
SEA8:45 amSeattle/Tacoma Intl
24h 10m
1 stop
CCU10:25 pmKolkata Netaji S. Chandra
Dec 25
CCU11:40 pmKolkata Netaji S. Chandra
21h 00m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$1,353
Singapore Airlines
Nov 20
SEA8:45 amSeattle/Tacoma Intl
24h 10m
1 stop
CCU10:25 pmKolkata Netaji S. Chandra
Dec 25
CCU11:40 pmKolkata Netaji S. Chandra
21h 00m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$1,385

Turkish Airlines flights from State of Washington to Kolkata

Our best Turkish Airlines deals on State of Washington to Kolkata flight tickets
Turkish Airlines
Jul 19
SEA7:15 pmSeattle/Tacoma Intl
27h 00m
2 stops
CCU10:45 amKolkata Netaji S. Chandra
Jul 23
CCU10:30 pmKolkata Netaji S. Chandra
48h 40m
2 stops
SEA10:40 amSeattle/Tacoma Intl
$1,437
Turkish Airlines
Jul 6
SEA12:35 pmSeattle/Tacoma Intl
35h 45m
2 stops
CCU12:50 pmKolkata Netaji S. Chandra
Jul 30
CCU10:30 pmKolkata Netaji S. Chandra
48h 40m
2 stops
SEA10:40 amSeattle/Tacoma Intl
$1,577
Turkish Airlines
Jul 7
SEA7:15 pmSeattle/Tacoma Intl
31h 45m
2 stops
CCU3:30 pmKolkata Netaji S. Chandra
Jul 25
CCU9:40 pmKolkata Netaji S. Chandra
49h 30m
2 stops
SEA10:40 amSeattle/Tacoma Intl
$1,617

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 June 26, 2026.
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

Cheapest round-trip

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sat 9/12

11:55 pm-8:30 pm

2 stops32h 05m

Kolkata Netaji S. Chandra

Mon 9/28

9:30 pm-8:42 pm

2 stops35h 42m

$1,018

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sat 9/12

7:18 am-10:35 pm

2 stops26h 47m

Kolkata Netaji S. Chandra

Mon 9/28

11:30 pm-8:45 am

1 stop21h 45m

$1,063

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Mon 9/14

11:55 pm-8:30 pm

2 stops32h 05m

Kolkata Netaji S. Chandra

Sat 9/26

3:50 am-8:42 pm

2 stops53h 22m

$1,107
Quickest round-trip

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Wed 11/18

8:45 am-10:25 pm

1 stop24h 10m

Kolkata Netaji S. Chandra

Fri 12/25

11:40 pm-7:10 am

1 stop21h 00m

$1,116

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 9/4

5:50 am-2:55 am

2 stops32h 35m

Kolkata Netaji S. Chandra

Fri 9/18

3:50 am-12:11 am

2 stops32h 51m

$1,117

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Thu 9/24

6:30 am-2:30 am

2 stops31h 30m

Kolkata Netaji S. Chandra

Mon 9/28

4:00 am-11:28 pm

2 stops31h 58m

$1,295

SpokaneKolkata

GEG - CCU

GEGCCU

Spokane

Thu 9/24

8:31 am-2:30 am

2 stops29h 29m

Kolkata Netaji S. Chandra

Mon 9/28

4:00 am-10:25 pm

2 stops30h 55m

$1,869

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Wed 7/29

10:29 am-6:15 pm

3 stops43h 16m

Kolkata Netaji S. Chandra

Wed 8/12

10:15 am-4:47 pm

3 stops43h 02m

$3,496

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Thu 10/1

7:30 pm-10:25 am

2 stops26h 25m

Kolkata Netaji S. Chandra

Tue 10/20

2:00 am-5:40 pm

2 stops52h 10m

$5,496

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Thu 10/1

3:00 pm-9:40 am

3 stops54h 10m

Kolkata Netaji S. Chandra

Wed 10/21

9:00 pm-5:40 pm

2 stops33h 10m

$5,718

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 $165. 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 $404.

How far in advance should I book a flight from Washington 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 $1,108 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 $846 on momondo.

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

You could potentially save up to 16% 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

21h 35m

Direct flights

None
The fastest flight from State of Washington to Kolkata takes 21h 35m
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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Frequently asked questions about flying from Washington to Kolkata

  • 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 $717Free CancellationRating
8.2
1,555 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,008Free CancellationRating
7.3
3,735 reviews
Search Qatar Airways 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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