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Cheap flights from Washington to Kolkata from $515

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 9/16. 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
11:42 pm - 8:30 pmSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
32h 18m2 stops Boston Logan Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
9:30 pm - 9:15 pmCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
36h 15m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$1,014Etihad Airways
Mon, Sep 14 - Mon, Oct 12
Etihad Airways Logo
11:40 pm - 2:55 amSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
38h 45m2 stops Boston Logan Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
9:30 pm - 8:44 pmCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
35h 44m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$1,026Etihad Airways
Sat, Sep 5 - Wed, Sep 16
Etihad Airways Logo
11:42 pm - 8:30 pmSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
32h 18m2 stops Boston Logan Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
3:50 am - 10:37 pmCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
31h 17m2 stops Abu Dhabi Zayed Intl Boston Logan Intl
$1,054Etihad Airways
Fri, Sep 11 - Fri, Sep 25
Etihad Airways Logo
11:42 pm - 8:30 pmSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
32h 18m2 stops Boston Logan Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
3:50 am - 10:37 pmCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
31h 17m2 stops Abu Dhabi Zayed Intl Boston Logan Intl
$1,054Etihad Airways
Sat, Sep 12 - Fri, Sep 25
Singapore Airlines Logo
8:45 am - 10:30 pmSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
24h 15m1 stop Singapore Changi
Singapore Airlines Logo
11:40 pm - 7:10 amCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
21h 00m1 stop Singapore Changi
$1,166Singapore Airlines
Wed, Jan 20 - Sat, Feb 13
Singapore Airlines Logo
10:15 am - 10:35 pmSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
23h 50m1 stop Singapore Changi
Singapore Airlines Logo
11:30 pm - 8:45 amCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
45h 45m1 stop Singapore Changi
$1,181Singapore Airlines
Fri, Sep 18 - Sun, Sep 27
Qatar Airways Logo
6:00 am - 1:55 amPDX  Portland-CCU Kolkata Netaji S. Chandra
30h 25m2 stops Chicago O'Hare Intl Doha Hamad Intl
Qatar Airways Logo
3:25 am - 7:41 pmCCU  Kolkata Netaji S. Chandra-PDX Portland
29h 46m2 stops Doha Hamad Intl Chicago O'Hare Intl
$1,201Qatar Airways
Wed, Jan 20 - Tue, Feb 9
Qatar Airways Logo
6:30 am - 2:30 amPDX  Portland-CCU Kolkata Netaji S. Chandra
31h 30m2 stops Los Angeles Doha Hamad Intl
Qatar Airways Logo
3:40 am - 7:20 pmCCU  Kolkata Netaji S. Chandra-PDX Portland
28h 10m2 stops Doha Hamad Intl Dallas/Fort Worth
$1,214Qatar Airways
Thu, Sep 24 - Wed, Sep 30
Singapore Airlines Logo
8:45 am - 10:25 pmSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
48h 10m1 stop Singapore Changi
Singapore Airlines Logo
11:40 pm - 7:10 amCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
21h 00m1 stop Singapore Changi
$1,215Singapore Airlines
Sat, Nov 14 - Sat, Dec 12
Qatar Airways Logo
4:25 pm - 2:30 amSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
21h 35m1 stop Doha Hamad Intl
Qatar Airways Logo
3:40 am - 12:25 pmCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
21h 15m1 stop Doha Hamad Intl
$1,229Qatar Airways
Mon, Sep 14 - Sun, Oct 11

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Etihad Airways flights from State of Washington to Kolkata

Our best Etihad Airways deals on State of Washington to Kolkata flight tickets
Etihad Airways
Sep 14
SEA11:42 pmSeattle/Tacoma Intl
32h 18m
2 stops
CCU8:30 pmKolkata Netaji S. Chandra
Oct 12
CCU9:30 pmKolkata Netaji S. Chandra
36h 15m
2 stops
SEA9:15 pmSeattle/Tacoma Intl
$1,014
Etihad Airways
Sep 5
SEA11:40 pmSeattle/Tacoma Intl
38h 45m
2 stops
CCU2:55 amKolkata Netaji S. Chandra
Sep 16
CCU9:30 pmKolkata Netaji S. Chandra
35h 44m
2 stops
SEA8:44 pmSeattle/Tacoma Intl
$1,026
Etihad Airways
Sep 11
SEA11:42 pmSeattle/Tacoma Intl
32h 18m
2 stops
CCU8:30 pmKolkata Netaji S. Chandra
Sep 25
CCU3:50 amKolkata Netaji S. Chandra
31h 17m
2 stops
SEA10:37 pmSeattle/Tacoma Intl
$1,054

Qatar Airways flights from State of Washington to Kolkata

Our best Qatar Airways deals on State of Washington to Kolkata flight tickets
Qatar Airways
Jan 20
PDX6:00 amPortland
30h 25m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Feb 9
CCU3:25 amKolkata Netaji S. Chandra
29h 46m
2 stops
PDX7:41 pmPortland
$1,201
Qatar Airways
Sep 24
PDX6:30 amPortland
31h 30m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Sep 30
CCU3:40 amKolkata Netaji S. Chandra
28h 10m
2 stops
PDX7:20 pmPortland
$1,214
Qatar Airways
Sep 14
SEA4:25 pmSeattle/Tacoma Intl
21h 35m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Oct 11
CCU3:40 amKolkata Netaji S. Chandra
21h 15m
1 stop
SEA12:25 pmSeattle/Tacoma Intl
$1,229

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 August 12, 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 Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra

SEACCU

Seattle/Tacoma Intl

Mon 9/14

11:42 pm-8:30 pm

2 stops32h 18m

Kolkata Netaji S. Chandra

Mon 10/12

9:30 pm-9:15 pm

2 stops36h 15m

$1,014

SeattleKolkata

SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra

SEACCU

Seattle/Tacoma Intl

Sat 9/5

11:40 pm-2:55 am

2 stops38h 45m

Kolkata Netaji S. Chandra

Wed 9/16

9:30 pm-8:44 pm

2 stops35h 44m

$1,026

SeattleKolkata

SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra

SEACCU

Seattle/Tacoma Intl

Fri 9/11

11:42 pm-8:30 pm

2 stops32h 18m

Kolkata Netaji S. Chandra

Fri 9/25

3:50 am-10:37 pm

2 stops31h 17m

$1,054

SeattleKolkata

SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra

SEACCU

Seattle/Tacoma Intl

Sat 9/12

11:42 pm-8:30 pm

2 stops32h 18m

Kolkata Netaji S. Chandra

Fri 9/25

3:50 am-10:37 pm

2 stops31h 17m

$1,054

SeattleKolkata

SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra

SEACCU

Seattle/Tacoma Intl

Wed 1/20

8:45 am-10:30 pm

1 stop24h 15m

Kolkata Netaji S. Chandra

Sat 2/13

11:40 pm-7:10 am

1 stop21h 00m

$1,166

SeattleKolkata

SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra

SEACCU

Seattle/Tacoma Intl

Fri 9/18

10:15 am-10:35 pm

1 stop23h 50m

Kolkata Netaji S. Chandra

Sun 9/27

11:30 pm-8:45 am

1 stop45h 45m

$1,181

PortlandKolkata

PDX Portland - CCU Kolkata Netaji S. Chandra

PDXCCU

Portland

Wed 1/20

6:00 am-1:55 am

2 stops30h 25m

Kolkata Netaji S. Chandra

Tue 2/9

3:25 am-7:41 pm

2 stops29h 46m

$1,201

PortlandKolkata

PDX Portland - CCU Kolkata Netaji S. Chandra

PDXCCU

Portland

Thu 9/24

6:30 am-2:30 am

2 stops31h 30m

Kolkata Netaji S. Chandra

Wed 9/30

3:40 am-7:20 pm

2 stops28h 10m

$1,214

SeattleKolkata

SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra

SEACCU

Seattle/Tacoma Intl

Sat 11/14

8:45 am-10:25 pm

1 stop48h 10m

Kolkata Netaji S. Chandra

Sat 12/12

11:40 pm-7:10 am

1 stop21h 00m

$1,215
Quickest round-trip

SeattleKolkata

SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra

SEACCU

Seattle/Tacoma Intl

Mon 9/14

4:25 pm-2:30 am

1 stop21h 35m

Kolkata Netaji S. Chandra

Sun 10/11

3:40 am-12:25 pm

1 stop21h 15m

$1,229

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 March is, on average, the cheapest month to fly to Kolkata from State of Washington, with most prices found around $922. If you aren’t able to travel during the month of March, then book flights to Kolkata from State of Washington during April instead. Flights to Kolkata in April, while not as cheap as those in March, still average around $991.

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 $1,160 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 $887 on momondo.

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

You could potentially save up to 2% 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

29h 20m

Direct flights

None
The fastest flight from State of Washington to Kolkata takes 29h 20m
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 $719Free CancellationRating
8.2
1,584 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,072Free CancellationRating
7.4
3,744 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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