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Cheap flights from Washington to Kolkata from $546

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 5/25. 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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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 - 3:00 am
SEA
-
CCU
38h 35m
2 stops
Etihad Airways Logo
4:10 am - 9:15 pm
CCU
-
SEA
29h 35m
2 stops
$1,068Etihad Airways
Wed, Sep 9 - Fri, Oct 9
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
45h 00m
1 stop
$1,093Singapore Airlines
Sun, Nov 1 - Tue, Dec 8
Multiple Airlines Logo
8:45 am - 10:25 pm
SEA
-
CCU
24h 10m
1 stop
Multiple Airlines Logo
11:40 pm - 1:38 pm
CCU
-
SEA
27h 28m
2 stops
$1,110Multiple Airlines
Sun, Nov 1 - Tue, Dec 8
Multiple Airlines Logo
4:25 pm - 1:45 am
SEA
-
CCU
44h 50m
2 stops
Multiple Airlines Logo
7:30 pm - 11:40 am
CCU
-
SEA
53h 40m
2 stops
$1,161Multiple Airlines
Wed, Sep 30 - Sun, Jan 31
Multiple Airlines Logo
4:20 pm - 10:25 pm
SEA
-
CCU
40h 35m
2 stops
Multiple Airlines Logo
11:40 pm - 4:56 pm
CCU
-
SEA
30h 46m
2 stops
$1,181Multiple Airlines
Sun, Nov 1 - Tue, Dec 8
Multiple Airlines Logo
4:25 pm - 8:15 pm
SEA
-
CCU
39h 20m
2 stops
Multiple Airlines Logo
2:20 pm - 11:40 am
CCU
-
SEA
58h 50m
3 stops
$1,186Multiple Airlines
Wed, Sep 30 - Sun, Jan 31
Qatar Airways Logo
4:25 pm - 2:30 am
SEA
-
CCU
21h 35m
1 stop
Qatar Airways Logo
4:00 am - 12:25 pm
CCU
-
SEA
20h 55m
1 stop
$1,188Qatar Airways
Wed, Aug 12 - Tue, Sep 1
Qatar Airways Logo
4:05 pm - 1:55 am
SEA
-
CCU
20h 20m
1 stop
Qatar Airways Logo
3:25 am - 11:40 am
CCU
-
SEA
21h 45m
1 stop
$1,200Qatar Airways
Mon, Nov 2 - Tue, Dec 8
Multiple Airlines Logo
4:25 pm - 1:45 am
SEA
-
CCU
44h 50m
2 stops
Multiple Airlines Logo
6:05 pm - 12:25 pm
CCU
-
SEA
30h 50m
3 stops
$1,209Multiple Airlines
Thu, Jun 18 - Wed, Jul 1
Multiple Airlines Logo
5:59 pm - 10:35 pm
SEA
-
CCU
40h 06m
2 stops
Multiple Airlines Logo
11:40 pm - 8:45 am
CCU
-
SEA
21h 35m
1 stop
$1,219Multiple Airlines
Wed, Sep 9 - Fri, Oct 9

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 1
SEA8:45 amSeattle/Tacoma Intl
24h 10m
1 stop
CCU10:25 pmKolkata Netaji S. Chandra
Dec 8
CCU11:40 pmKolkata Netaji S. Chandra
45h 00m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$1,093
Singapore Airlines
Oct 29
SEA9:45 amSeattle/Tacoma Intl
24h 10m
1 stop
CCU10:25 pmKolkata Netaji S. Chandra
Dec 7
CCU11:40 pmKolkata Netaji S. Chandra
21h 00m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$1,279
Singapore Airlines
Oct 29
SEA9:45 amSeattle/Tacoma Intl
24h 10m
1 stop
CCU10:25 pmKolkata Netaji S. Chandra
Dec 11
CCU11:40 pmKolkata Netaji S. Chandra
21h 00m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$1,329

Qatar Airways flights from State of Washington to Kolkata

Our best Qatar Airways deals on State of Washington to Kolkata flight tickets
Qatar Airways
Aug 12
SEA4:25 pmSeattle/Tacoma Intl
21h 35m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Sep 1
CCU4:00 amKolkata Netaji S. Chandra
20h 55m
1 stop
SEA12:25 pmSeattle/Tacoma Intl
$1,188
Qatar Airways
Nov 2
SEA4:05 pmSeattle/Tacoma Intl
20h 20m
1 stop
CCU1:55 amKolkata Netaji S. Chandra
Dec 7
CCU3:25 amKolkata Netaji S. Chandra
21h 45m
1 stop
SEA11:40 amSeattle/Tacoma Intl
$1,200
Qatar Airways
Oct 1
SEA4:25 pmSeattle/Tacoma Intl
21h 35m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Oct 15
CCU4:00 amKolkata Netaji S. Chandra
27h 03m
2 stops
SEA6:33 pmSeattle/Tacoma Intl
$1,225

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 May 9, 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

Wed 9/9

11:55 pm-3:00 am

2 stops38h 35m

Kolkata Netaji S. Chandra

Fri 10/9

4:10 am-9:15 pm

2 stops29h 35m

$1,068

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sun 11/1

8:45 am-10:25 pm

1 stop24h 10m

Kolkata Netaji S. Chandra

Tue 12/8

11:40 pm-7:10 am

1 stop45h 00m

$1,093

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sun 11/1

8:45 am-10:25 pm

1 stop24h 10m

Kolkata Netaji S. Chandra

Tue 12/8

11:40 pm-1:38 pm

2 stops27h 28m

$1,110

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Wed 9/30

4:25 pm-1:45 am

2 stops44h 50m

Kolkata Netaji S. Chandra

Sun 1/31

7:30 pm-11:40 am

2 stops53h 40m

$1,161

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sun 11/1

4:20 pm-10:25 pm

2 stops40h 35m

Kolkata Netaji S. Chandra

Tue 12/8

11:40 pm-4:56 pm

2 stops30h 46m

$1,181

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Wed 9/30

4:25 pm-8:15 pm

2 stops39h 20m

Kolkata Netaji S. Chandra

Sun 1/31

2:20 pm-11:40 am

3 stops58h 50m

$1,186

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Wed 8/12

4:25 pm-2:30 am

1 stop21h 35m

Kolkata Netaji S. Chandra

Tue 9/1

4:00 am-12:25 pm

1 stop20h 55m

$1,188
Quickest round-trip

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Mon 11/2

4:05 pm-1:55 am

1 stop20h 20m

Kolkata Netaji S. Chandra

Tue 12/8

3:25 am-11:40 am

1 stop21h 45m

$1,200

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Thu 6/18

4:25 pm-1:45 am

2 stops44h 50m

Kolkata Netaji S. Chandra

Wed 7/1

6:05 pm-12:25 pm

3 stops30h 50m

$1,209

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Wed 9/9

5:59 pm-10:35 pm

2 stops40h 06m

Kolkata Netaji S. Chandra

Fri 10/9

11:40 pm-8:45 am

1 stop21h 35m

$1,219

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 $1,095 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 $815 on momondo.

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.
Search flight deals

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 $698Free CancellationRating
8.2
1,510 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,008Free CancellationRating
7.4
3,729 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $1,155Free CancellationRating
7.4
4,356 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,768Free CancellationRating
8.1
3,570 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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