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Cheap flights from Washington to Kolkata from $417

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 8/18. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 10:35 pm
PDX
-
CCU
27h 05m
2 stops
Multiple Airlines Logo
11:40 pm - 9:25 am
CCU
-
PDX
46h 15m
2 stops
$951Multiple Airlines
Wed, Sep 9 - Sun, Sep 13
KLM Logo
1:55 pm - 8:15 am
SEA
-
CCU
29h 50m
2 stops
KLM Logo
7:00 pm - 4:24 pm
CCU
-
SEA
33h 54m
2 stops
$988KLM
Thu, Jun 4 - Tue, Jun 16
Qatar Airways Logo
4:30 pm - 2:30 am
SEA
-
CCU
21h 30m
1 stop
Qatar Airways Logo
4:00 am - 12:45 pm
CCU
-
SEA
21h 15m
1 stop
$1,006Qatar Airways
Mon, Apr 20 - Mon, Apr 27
Singapore Airlines Logo
10:15 am - 10:35 pm
SEA
-
CCU
23h 50m
1 stop
Singapore Airlines Logo
11:40 pm - 8:45 am
CCU
-
SEA
45h 35m
1 stop
$1,012Singapore Airlines
Sun, Sep 6 - Sun, Sep 20
Multiple Airlines Logo
11:59 am - 2:30 am
PDX
-
CCU
26h 01m
2 stops
Multiple Airlines Logo
4:00 am - 4:51 pm
CCU
-
PDX
25h 21m
2 stops
$1,020Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
9:50 pm - 9:20 pm
PDX
-
CCU
35h 00m
2 stops
Multiple Airlines Logo
7:15 pm - 4:37 pm
CCU
-
PDX
33h 52m
3 stops
$1,033Multiple Airlines
Wed, Sep 9 - Sun, Sep 13
Air France Logo
6:50 pm - 7:00 am
SEA
-
CCU
47h 40m
2 stops
Air France Logo
5:30 pm - 5:30 pm
CCU
-
SEA
36h 30m
2 stops
$1,042Air France
Fri, Jun 5 - Tue, Jun 16
Multiple Airlines Logo
11:33 pm - 3:00 am
SEA
-
CCU
38h 57m
2 stops
Multiple Airlines Logo
4:10 am - 8:37 pm
CCU
-
SEA
28h 57m
2 stops
$1,051Multiple Airlines
Tue, Apr 14 - Tue, Jul 21
KLM Logo
1:55 pm - 9:10 am
SEA
-
CCU
30h 45m
2 stops
KLM Logo
10:30 pm - 11:15 am
CCU
-
SEA
49h 15m
2 stops
$1,058KLM
Sun, Jun 7 - Thu, Jun 18
Qatar Airways Logo
4:25 pm - 2:30 am
SEA
-
CCU
21h 35m
1 stop
Qatar Airways Logo
4:00 am - 12:45 pm
CCU
-
SEA
21h 15m
1 stop
$1,067Qatar Airways
Thu, Apr 9 - Sat, May 2

Qatar Airways flights from State of Washington to Kolkata

Our best Qatar Airways deals on State of Washington to Kolkata flight tickets
Qatar Airways
Apr 20
SEA4:30 pmSeattle/Tacoma Intl
21h 30m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Apr 27
CCU4:00 amKolkata Netaji S. Chandra
21h 15m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
$1,006
Qatar Airways
Apr 9
SEA4:25 pmSeattle/Tacoma Intl
21h 35m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
May 2
CCU4:00 amKolkata Netaji S. Chandra
21h 15m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
$1,067
Qatar Airways
Apr 30
SEA4:30 pmSeattle/Tacoma Intl
21h 30m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
May 10
CCU4:00 amKolkata Netaji S. Chandra
21h 15m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
$1,073

Turkish Airlines flights from State of Washington to Kolkata

Our best Turkish Airlines deals on State of Washington to Kolkata flight tickets
Turkish Airlines
Apr 30
SEA7:10 pmSeattle/Tacoma Intl
28h 50m
2 stops
CCU12:30 pmKolkata Netaji S. Chandra
May 20
CCU9:40 pmKolkata Netaji S. Chandra
32h 05m
2 stops
SEA5:15 pmSeattle/Tacoma Intl
$1,101
Turkish Airlines
Sep 6
SEA7:10 pmSeattle/Tacoma Intl
27h 05m
2 stops
CCU10:45 amKolkata Netaji S. Chandra
Sep 20
CCU6:45 pmKolkata Netaji S. Chandra
35h 00m
2 stops
SEA5:15 pmSeattle/Tacoma Intl
$1,148
Turkish Airlines
Apr 30
SEA7:10 pmSeattle/Tacoma Intl
28h 50m
2 stops
CCU12:30 pmKolkata Netaji S. Chandra
May 10
CCU9:00 pmKolkata Netaji S. Chandra
32h 45m
2 stops
SEA5:15 pmSeattle/Tacoma Intl
$1,192

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 March 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

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Wed 9/9

7:00 am-10:35 pm

2 stops27h 05m

Kolkata Netaji S. Chandra

Sun 9/13

11:40 pm-9:25 am

2 stops46h 15m

$951

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Thu 6/4

1:55 pm-8:15 am

2 stops29h 50m

Kolkata Netaji S. Chandra

Tue 6/16

7:00 pm-4:24 pm

2 stops33h 54m

$988
Quickest round-trip

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Mon 4/20

4:30 pm-2:30 am

1 stop21h 30m

Kolkata Netaji S. Chandra

Mon 4/27

4:00 am-12:45 pm

1 stop21h 15m

$1,006

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sun 9/6

10:15 am-10:35 pm

1 stop23h 50m

Kolkata Netaji S. Chandra

Sun 9/20

11:40 pm-8:45 am

1 stop45h 35m

$1,012

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Mon 5/4

11:59 am-2:30 am

2 stops26h 01m

Kolkata Netaji S. Chandra

Mon 5/11

4:00 am-4:51 pm

2 stops25h 21m

$1,020

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Wed 9/9

9:50 pm-9:20 pm

2 stops35h 00m

Kolkata Netaji S. Chandra

Sun 9/13

7:15 pm-4:37 pm

3 stops33h 52m

$1,033

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 6/5

6:50 pm-7:00 am

2 stops47h 40m

Kolkata Netaji S. Chandra

Tue 6/16

5:30 pm-5:30 pm

2 stops36h 30m

$1,042

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 4/14

11:33 pm-3:00 am

2 stops38h 57m

Kolkata Netaji S. Chandra

Tue 7/21

4:10 am-8:37 pm

2 stops28h 57m

$1,051

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sun 6/7

1:55 pm-9:10 am

2 stops30h 45m

Kolkata Netaji S. Chandra

Thu 6/18

10:30 pm-11:15 am

2 stops49h 15m

$1,058

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Thu 4/9

4:25 pm-2:30 am

1 stop21h 35m

Kolkata Netaji S. Chandra

Sat 5/2

4:00 am-12:45 pm

1 stop21h 15m

$1,067

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 January instead. Flights to Kolkata in January, while not as cheap as those in September, still average around $932.

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 $1,110 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 $839 on momondo.

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

You could potentially save up to 68% 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 30m

Direct flights

None
The fastest flight from State of Washington to Kolkata takes 21h 30m
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 $710Free CancellationRating
8.2
1,484 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,008Free CancellationRating
7.4
3,732 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $1,155Free CancellationRating
7.4
4,281 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,768Free CancellationRating
8.1
3,542 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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