What are the cheapest airlines flying from Kolkata to Seattle round-trip?

According to our current data, KLM ($1,212), Japan Airlines ($1,347), and Emirates ($1,351) offers the cheapest pricing from Kolkata to Seattle. KLM is priced at 19% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Kolkata to Seattle one-way?

The cheapest airline one-way is Emirates, with whom users have recently found tickets for as low as $816. However, be on the lookout for offers from Thai Airways and Singapore Airlines, as they are both options that can get you from Kolkata to Seattle for a low price.

What is the cheapest day to fly from Kolkata to Seattle?

Travelers seeking maximum savings on their Kolkata to Seattle flight should consider departing on Thursday evenings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Kolkata to Seattle?

The most popular airlines flying from Kolkata to Seattle are Emirates, Qatar Airways and Singapore Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Kolkata to Seattle?

Flying to your destination on a Tuesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Seattle. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Kolkata to Seattle?

Users have found that booking a flight from Kolkata to Seattle at least 47 days early can save you up to 35% on average compared to booking a flight this week. If booking 47 days before your flight isn’t an option for you, users have found flights from Kolkata to Seattle for as little as $1,323 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $3,322 for flights departing within the next 3 days.

What is the cheapest month to fly from Kolkata to Seattle?

February is one of the best times of the year to fly to Seattle from Kolkata. Prices for February average $1,504 per person but you can even find prices for as low as $1,200. The most expensive prices can be found in the month of August. Opting for a February flight can save you 37% on your journey compared to booking in August

What is the cheapest time of day to fly from CCU to SEA?

When flying from Kolkata to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Kolkata-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kolkata-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kolkata-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Kolkata-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kolkata-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Kolkata to Seattle that include hotel bookings?

Yes. In addition to deals on Kolkata to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Kolkata to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kolkata to Seattle.

Can I find deals for business class flights from Kolkata to Seattle?

Yes. Cheapflights offers flight deals from Kolkata to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$558+ Flights from Kolkata to Seattle

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Find cheap flights from Kolkata to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl are usually found in February or December, booked 90 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Kolkata to Seattle

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,199 (Orbitz)
One-way from	$558 (Trip.com)
Popular in	August
Cheapest in	February
Average price	$1,375

Provider with most accurate pricing for Kolkata Netaji S. Chandra-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Kolkata Netaji S. Chandra-Seattle/Tacoma Intl flights.

Search Deals

From Kolkata Netaji S. Chandra to Seattle/Tacoma Intl

Search Deals

One-way flight from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($167 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Kolkata to Seattle

Cheapest flights from Kolkata to Seattle
Explore the most affordable flight options available from Kolkata to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

Wed 5/288:55 pmCCU - SEA

2 stops30h 13mMultiple Airlines

Wed 10/226:00 amSEA - CCU

2 stops25h 15mMultiple Airlines

Deal found 4/1

$1,199

Thu 5/224:00 pmCCU - SEA

2 stops32h 10mKLM

Tue 9/91:55 pmSEA - CCU

2 stops32h 20mKLM

Deal found 4/1

$1,212

Wed 4/910:00 pmCCU - SEA

2 stops30h 15mVirgin Atlantic

Sun 4/205:35 pmSEA - CCU

2 stops33h 30mVirgin Atlantic

Deal found 4/1

$1,228

Fri 5/308:35 pmCCU - SEA

2 stops26h 20mJapan Airlines

Thu 10/231:30 pmSEA - CCU

2 stops34h 50mJapan Airlines

Deal found 4/1

$1,347

Thu 5/229:45 amCCU - SEA

1 stop40h 10mEmirates

Tue 9/95:15 pmSEA - CCU

1 stop26h 25mEmirates

Deal found 4/1

$1,351

Mon 5/263:50 amCCU - SEA

2 stops28h 40mQatar Airways

Thu 10/234:30 pmSEA - CCU

1 stop21h 20mQatar Airways

Deal found 4/1

$1,368

Sun 5/1811:30 pmCCU - SEA

2 stops46h 09mSingapore Airlines

Fri 10/2410:15 amSEA - CCU

1 stop23h 30mSingapore Airlines

Deal found 4/1

$1,406

Wed 4/92:00 amCCU - SEA

2 stops28h 50mBritish Airways

Sat 4/198:20 pmSEA - CCU

2 stops25h 40mBritish Airways

Deal found 4/1

$1,425

Wed 5/212:00 amCCU - SEA

2 stops30h 00mThai Airways

Mon 9/81:30 amSEA - CCU

2 stops34h 45mThai Airways

Deal found 4/1

$1,558

Thu 5/229:15 pmCCU - SEA

2 stops32h 30mTurkish Airlines

Fri 10/247:10 pmSEA - CCU

2 stops27h 25mTurkish Airlines

Deal found 4/1

$1,616

Best flights from Kolkata to Seattle
Discover carefully curated flight deals from Kolkata to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2025.

Wed 5/288:55 pmCCU - SEA

2 stops30h 13mMultiple Airlines

Wed 10/226:00 amSEA - CCU

2 stops25h 15mMultiple Airlines

Deal found 4/1

$1,199

Thu 5/224:00 pmCCU - SEA

2 stops32h 10mKLM

Tue 9/91:55 pmSEA - CCU

2 stops32h 20mKLM

Deal found 4/1

$1,212

Fri 5/308:35 pmCCU - SEA

2 stops26h 20mJapan Airlines

Thu 10/231:30 pmSEA - CCU

2 stops34h 50mJapan Airlines

Deal found 4/1

$1,347

Thu 5/229:45 amCCU - SEA

1 stop40h 10mEmirates

Tue 9/95:15 pmSEA - CCU

1 stop26h 25mEmirates

Deal found 4/1

$1,351

Mon 5/263:50 amCCU - SEA

2 stops28h 40mQatar Airways

Thu 10/234:30 pmSEA - CCU

1 stop21h 20mQatar Airways

Deal found 4/1

$1,368

Sun 5/1811:30 pmCCU - SEA

2 stops46h 09mSingapore Airlines

Fri 10/2410:15 amSEA - CCU

1 stop23h 30mSingapore Airlines

Deal found 4/1

$1,406

Wed 5/212:00 amCCU - SEA

2 stops30h 00mThai Airways

Mon 9/81:30 amSEA - CCU

2 stops34h 45mThai Airways

Deal found 4/1

$1,558

Sun 4/139:15 pmCCU - SEA

2 stops31h 00mVirgin Atlantic

Thu 5/158:20 pmSEA - CCU

2 stops33h 55mVirgin Atlantic

Deal found 4/1

$1,594

Thu 5/297:30 pmCCU - SEA

2 stops28h 35mBritish Airways

Tue 10/211:30 pmSEA - CCU

2 stops36h 10mBritish Airways

Deal found 4/1

$1,603

Thu 5/229:15 pmCCU - SEA

2 stops32h 30mTurkish Airlines

Fri 10/247:10 pmSEA - CCU

2 stops27h 25mTurkish Airlines

Deal found 4/1

$1,616

Sat 4/199:20 pmCCU - SEA

2 stops27h 35mLufthansa

Sat 4/2610:25 amSEA - CCU

3 stops34h 05mLufthansa

Deal found 4/1

$2,020

Last-minute flights from Kolkata to Seattle
Discover last-minute flight deals from Kolkata to Seattle. Data last updated April 3, 2025 and is based on user searches.

Tue 4/82:00 amCCU - SEA

2 stops30h 00mThai Airways

Sat 4/191:30 amSEA - CCU

2 stops34h 45mThai Airways

Deal found 4/1

$1,773

Wed 4/910:00 pmCCU - SEA

2 stops30h 15mVirgin Atlantic

Sun 4/205:35 pmSEA - CCU

2 stops33h 30mVirgin Atlantic

Deal found 4/1

$1,228

Wed 4/92:00 amCCU - SEA

2 stops28h 50mBritish Airways

Sat 4/198:20 pmSEA - CCU

2 stops25h 40mBritish Airways

Deal found 4/1

$1,425

Wed 4/93:50 amCCU - SEA

1 stop21h 25mQatar Airways

Sat 4/194:30 pmSEA - CCU

1 stop21h 20mQatar Airways

Deal found 4/2

$1,607

Wed 4/98:45 pmCCU - SEA

1 stop29h 10mEmirates

Sun 4/205:15 pmSEA - CCU

1 stop26h 25mEmirates

Deal found 4/1

$1,711

Thu 4/1010:30 pmCCU - SEA

2 stops30h 00mMultiple Airlines

Sat 4/195:35 pmSEA - CCU

3 stops46h 40mMultiple Airlines

Deal found 4/1

$1,664

Thu 4/1011:30 pmCCU - SEA

2 stops36h 59mSingapore Airlines

Sat 4/199:50 amSEA - CCU

1 stop23h 55mSingapore Airlines

Deal found 4/1

$1,796

Sat 4/199:20 pmCCU - SEA

2 stops27h 35mLufthansa

Sat 4/2610:25 amSEA - CCU

3 stops34h 05mLufthansa

Deal found 4/1

$2,020

Sun 5/1811:30 pmCCU - SEA

2 stops46h 09mSingapore Airlines

Thu 10/2310:15 amSEA - CCU

1 stop23h 30mSingapore Airlines

Deal found 4/1

$1,406

Wed 5/212:00 amCCU - SEA

2 stops30h 00mThai Airways

Mon 9/81:30 amSEA - CCU

2 stops34h 45mThai Airways

Deal found 4/1

$1,558

Thu 5/224:00 pmCCU - SEA

2 stops32h 10mKLM

Tue 9/91:55 pmSEA - CCU

2 stops32h 20mKLM

Deal found 4/1

$1,212

Thu 5/229:45 amCCU - SEA

1 stop40h 10mEmirates

Tue 9/95:15 pmSEA - CCU

1 stop26h 25mEmirates

Deal found 4/1

$1,351

One-way flights from Kolkata to Seattle
Search for one-way flight options from Kolkata to Seattle. Find affordable one-way fares based on user searches. Data last updated April 3, 2025.

Tue 5/2012:30 amCCU - SEA

2 stops31h 15mMultiple Airlines

Deal found 3/31

$558

Wed 5/219:45 amCCU - SEA

1 stop40h 10mEmirates

Deal found 3/31

$816

Fri 5/22:00 amCCU - SEA

2 stops30h 00mThai Airways

Deal found 4/2

$889

Sat 5/2411:30 pmCCU - SEA

2 stops29h 50mSingapore Airlines

Deal found 3/31

$956

Thu 7/319:15 pmCCU - SEA

2 stops32h 30mTurkish Airlines

Deal found 4/1

$990

Wed 7/303:50 amCCU - SEA

1 stop21h 25mQatar Airways

Deal found 4/1

$1,014

Sun 5/47:05 pmCCU - SEA

2 stops34h 50mAir France

Deal found 4/1

$1,128

Sat 4/127:05 pmCCU - SEA

2 stops53h 00mBritish Airways

Deal found 4/2

$1,252

Fri 5/24:00 pmCCU - SEA

2 stops32h 10mKLM

Deal found 4/1

$1,264

Wed 7/302:00 amCCU - SEA

2 stops30h 15mVirgin Atlantic

Deal found 4/1

$1,329

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kolkata to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 5/28

8:55 pm-2:38 pm

2 stops30h 13m

Seattle/Tacoma Intl

Wed 10/22

6:00 am-7:45 pm

2 stops25h 15m

$1,199

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 5/22

4:00 pm-11:40 am

2 stops32h 10m

Seattle/Tacoma Intl

Tue 9/9

1:55 pm-10:45 am

2 stops32h 20m

$1,212

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 5/30

8:35 pm-10:25 am

2 stops26h 20m

Seattle/Tacoma Intl

Thu 10/23

1:30 pm-12:50 pm

2 stops34h 50m

$1,347

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 5/22

9:45 am-1:25 pm

1 stop40h 10m

Seattle/Tacoma Intl

Tue 9/9

5:15 pm-8:10 am

1 stop26h 25m

$1,351

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 5/26

3:50 am-8:00 pm

2 stops28h 40m

Seattle/Tacoma Intl

Thu 10/23

4:30 pm-2:20 am

1 stop21h 20m

$1,368

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 5/18

11:30 pm-9:09 am

2 stops46h 09m

Seattle/Tacoma Intl

Thu 10/23

10:15 am-10:15 pm

1 stop23h 30m

$1,406

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 5/21

2:00 am-7:30 pm

2 stops30h 00m

Seattle/Tacoma Intl

Mon 9/8

1:30 am-12:45 am

2 stops34h 45m

$1,558

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 4/13

9:15 pm-3:45 pm

2 stops31h 00m

Seattle/Tacoma Intl

Thu 5/15

8:20 pm-6:45 pm

2 stops33h 55m

$1,594

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 5/29

7:30 pm-11:35 am

2 stops28h 35m

Seattle/Tacoma Intl

Sun 10/19

1:30 pm-6:45 pm

2 stops40h 45m

$1,603

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 5/22

9:15 pm-5:15 pm

2 stops32h 30m

Seattle/Tacoma Intl

Sat 10/25

12:30 pm-12:35 pm

2 stops35h 35m

$1,616

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 21 results

Compare providers for flights from Kolkata to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kolkata to Seattle in April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Kolkata-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kolkata-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kolkata-Seattle flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Kolkata-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kolkata-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kolkata to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Kolkata with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kolkata to Seattle

How far ahead should I book a flight from Kolkata to Seattle?

The best time to book flights from Kolkata to Seattle is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Kolkata to Seattle?

Currently, January is the cheapest month in which you can book a flight from Kolkata to Seattle (average of $238). Flying from Kolkata to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Seattle by month

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

See what other customers who have flown with Japan Airlines, Singapore Airlines and Emirates from Kolkata to Seattle have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Japan Airlines

8.3

Very good

1,440 reviews

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Japan Airlines

8.3

Very good

1,440 reviews

Japan Airlines

8.3

Very good

1,440 reviews

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Singapore Airlines

8.1

Very good

1,287 reviews

Japan Airlines

8.3

Very good

1,440 reviews

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Emirates

8.0

Very good

3,193 reviews

Japan Airlines

8.3

Very good

1,440 reviews

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

KLM

7.8

Good

1,323 reviews

Japan Airlines

8.3

Very good

1,440 reviews

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Thai Airways

7.8

Good

319 reviews

Japan Airlines

8.3

Very good

1,440 reviews

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Related info for your journey

What are the cheapest airlines flying from Kolkata to Seattle round-trip?
According to our current data, KLM ($1,212), Japan Airlines ($1,347), and Emirates ($1,351) offers the cheapest pricing from Kolkata to Seattle. KLM is priced at 19% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Kolkata to Seattle one-way?
The cheapest airline one-way is Emirates, with whom users have recently found tickets for as low as $816. However, be on the lookout for offers from Thai Airways and Singapore Airlines, as they are both options that can get you from Kolkata to Seattle for a low price.
Can I find deals for flights from Kolkata to Seattle that include hotel bookings?
Yes. In addition to deals on Kolkata to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kolkata to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kolkata to Seattle.
Can I find deals for business class flights from Kolkata to Seattle?
Yes. Cheapflights offers flight deals from Kolkata to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Kolkata to Seattle?
Currently, January is the cheapest month in which you can book a flight from Kolkata to Seattle (average of $238). Flying from Kolkata to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Other flights to Seattle

Top 3 airlines flying from Kolkata to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$775	Average$1,421	FlexibilityNo cancel fee	On-time81%
Qatar Airways	Cheapest$1,323	Average$1,573	FlexibilityNo cancel fee	On-time68%
Emirates	Cheapest$1,326	Average$1,389	FlexibilityNo cancel fee	On-time75%

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$558+ Cheap flights from Kolkata (CCU) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kolkata to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl are usually found in February or December, booked 90 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Kolkata to Seattle

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Kolkata to Seattle

Cheapest flights from Kolkata to SeattleExplore the most affordable flight options available from Kolkata to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

Explore the most affordable flight options available from Kolkata to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kolkata to Seattle that are best for you.

Compare providers for flights from Kolkata to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kolkata to Seattle in April.

Best time to book a flight from Kolkata to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Kolkata with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Kolkata to Seattle

How far ahead should I book a flight from Kolkata to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Kolkata to Seattle. Price data was last updated on March 28, 2025.

What is the cheapest month to book a flight from Kolkata to Seattle?

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

Reviews of airlines servicing Seattle

See what other customers who have flown with Japan Airlines, Singapore Airlines and Emirates from Kolkata to Seattle have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Kolkata to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Top 3 airlines flying from Kolkata to Seattle

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Cheapest flights from Kolkata to Seattle
Explore the most affordable flight options available from Kolkata to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.