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

Qatar Airways, at $1,329, was found to be the cheapest airline from Portland to Kolkata.Alternate airlines to your destination round-trip include Singapore Airlines and British Airways. Qatar Airways is currently priced 8% below the average price you’ll pay for this route.

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

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

In terms of precipitation, rainfall in Kolkata ranges from 0.3 - 14.0 inches per month. August is typically the wettest month, when rainfall can reach 14.0 in. December is typically the driest time to visit Kolkata when rainfall is around 0.3 in.

If weather is an important factor for your trip to Kolkata, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 87.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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

Sunday flights are found to be more expensive to fly from Portland to Kolkata. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Kolkata.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 54 days in advance, which can save you up to 30% on flights from Portland to Kolkata compared to booking the week you need them. Waiting 54 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,420. For sooner than that we have options available in the next 3 days from $1,420.

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

The best pricing can be found in the month of September. Prices to Kolkata from Portland average $1,454. You can even find prices in September for less than $1,454, as users have found deals to Kolkata from as low as $1,158. The month of June appears to be one of the more expensive times to travel to Kolkata from Portland. Flying in the targeted month can save you up to 20%.

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

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

How can I find direct flights from Portland to Kolkata?

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

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

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

$1,329+ Flights from Portland to Kolkata

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Cheapflights Tip: The best prices from Portland to Kolkata Netaji S. Chandra are usually found in September or October, booked 57 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Portland to Kolkata

Round-trip from	$1,329 (Qatar Airways)
Popular in	June
Cheapest in	September
Average price	$1,422

From Portland to Kolkata Netaji S. Chandra

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($93 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

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Find flight deals from Portland to Kolkata

Cheapest flights from Portland to Kolkata
Explore the most affordable flight options available from Portland to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Wed 10/87:00 amPDX - CCU

2 stops30h 50mQatar Airways

Sat 10/113:50 amCCU - PDX

2 stops31h 44mQatar Airways

Deal found 6/29

$1,329

Tue 7/157:20 amPDX - CCU

2 stops32h 55mMultiple Airlines

Tue 7/296:00 pmCCU - PDX

2 stops39h 16mMultiple Airlines

Deal found 6/30

$1,374

Wed 10/87:00 amPDX - CCU

2 stops50h 45mSingapore Airlines

Sun 10/1211:30 pmCCU - PDX

2 stops46h 46mSingapore Airlines

Deal found 6/29

$1,534

Mon 7/1411:40 pmPDX - CCU

2 stops32h 25mEtihad Airways

Sun 7/274:00 amCCU - PDX

2 stops30h 45mEtihad Airways

Deal found 6/30

$1,823

Thu 12/114:00 pmPDX - CCU

3 stops50h 05mBritish Airways

Wed 1/76:30 pmCCU - PDX

2 stops59h 35mBritish Airways

Deal found 7/2

$1,825

Best flights from Portland to Kolkata
Discover carefully curated flight deals from Portland to Kolkata that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Wed 10/87:00 amPDX - CCU

2 stops30h 50mQatar Airways

Sat 10/113:50 amCCU - PDX

2 stops31h 44mQatar Airways

Deal found 7/1

$1,329

Thu 12/117:00 amPDX - CCU

2 stops32h 05mMultiple Airlines

Wed 1/76:00 pmCCU - PDX

2 stops39h 26mMultiple Airlines

Deal found 7/2

$1,391

Wed 10/87:00 amPDX - CCU

2 stops50h 45mSingapore Airlines

Sun 10/1211:30 pmCCU - PDX

2 stops46h 46mSingapore Airlines

Deal found 7/1

$1,534

Thu 12/114:00 pmPDX - CCU

3 stops50h 05mBritish Airways

Wed 1/76:30 pmCCU - PDX

2 stops59h 35mBritish Airways

Deal found 7/2

$1,825

Last-minute flights from Portland to Kolkata
Discover last-minute flight deals from Portland to Kolkata. Data last updated July 2, 2025 and is based on user searches.

Sat 7/127:20 amPDX - CCU

2 stops54h 30mQatar Airways

Thu 7/313:50 amCCU - PDX

2 stops30h 54mQatar Airways

Deal found 6/30

$1,725

Sat 7/127:25 pmPDX - CCU

2 stops47h 35mBritish Airways

Tue 7/297:05 pmCCU - PDX

2 stops59h 00mBritish Airways

Deal found 6/30

$2,495

Sat 7/127:00 amPDX - CCU

3 stops50h 45mSingapore Airlines

Thu 7/3111:30 pmCCU - PDX

2 stops25h 23mSingapore Airlines

Deal found 6/30

$2,647

Mon 7/1411:40 pmPDX - CCU

2 stops32h 25mEtihad Airways

Sun 7/274:00 amCCU - PDX

2 stops30h 45mEtihad Airways

Deal found 6/30

$1,823

Mon 7/141:15 pmPDX - CCU

2 stops31h 20mKLM

Tue 7/294:00 pmCCU - PDX

2 stops31h 50mKLM

Deal found 6/30

$2,364

Tue 7/157:20 amPDX - CCU

2 stops32h 55mMultiple Airlines

Tue 7/296:00 pmCCU - PDX

2 stops39h 16mMultiple Airlines

Deal found 6/30

$1,374

Wed 7/167:20 amPDX - CCU

2 stops54h 30mQatar Airways

Thu 7/313:50 amCCU - PDX

2 stops30h 54mQatar Airways

Deal found 6/30

$1,440

Fri 7/187:25 pmPDX - CCU

2 stops47h 35mBritish Airways

Fri 8/17:30 pmCCU - PDX

2 stops34h 35mBritish Airways

Deal found 6/30

$2,299

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Wed 10/8

7:00 am-2:20 am

2 stops30h 50m

Kolkata Netaji S. Chandra

Sat 10/11

3:50 am-11:04 pm

2 stops31h 44m

$1,329

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Tue 7/15

7:20 am-4:45 am

2 stops32h 55m

Kolkata Netaji S. Chandra

Tue 7/29

6:00 pm-8:46 pm

2 stops39h 16m

$1,374

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Wed 10/8

7:00 am-10:15 pm

2 stops50h 45m

Kolkata Netaji S. Chandra

Sun 10/12

11:30 pm-9:46 am

2 stops46h 46m

$1,534

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Mon 7/14

11:40 pm-8:35 pm

2 stops32h 25m

Kolkata Netaji S. Chandra

Sun 7/27

4:00 am-10:15 pm

2 stops30h 45m

$1,823

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Thu 12/11

4:00 pm-7:35 am

3 stops50h 05m

Kolkata Netaji S. Chandra

Wed 1/7

6:30 pm-4:35 pm

2 stops59h 35m

$1,825

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Best time to book a flight from Portland to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Portland 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 Portland to Kolkata

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

To ensure you get the cheapest price possible for a flight from Portland to Kolkata, you should look to book at least 53 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Portland to Kolkata (average of $963). Flying from Portland to Kolkata in December is currently the most expensive (average of $1,647). 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.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Kolkata as you normally would.

Reviews of airlines servicing Kolkata

Get a feel of what it's like to fly with Singapore Airlines, Qatar Airways, and British Airways from Portland to Kolkata by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very good

1,320 reviews

Reviews

1 / 20

2.0

Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Singapore Airlines

8.1

Very good

1,320 reviews

Singapore Airlines

8.1

Very good

1,320 reviews

Reviews

1 / 20

2.0

Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Qatar Airways

7.4

Good

3,593 reviews

Singapore Airlines

8.1

Very good

1,320 reviews

Reviews

1 / 20

2.0

Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

British Airways

6.6

Okay

7,089 reviews

Singapore Airlines

8.1

Very good

1,320 reviews

Reviews

1 / 20

2.0

Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Related info for your journey

What are the cheapest airlines flying from Portland to Kolkata round-trip?
Qatar Airways, at $1,329, was found to be the cheapest airline from Portland to Kolkata.Alternate airlines to your destination round-trip include Singapore Airlines and British Airways. Qatar Airways is currently priced 8% below the average price you’ll pay for this route.
Can I find deals for flights from Portland to Kolkata that include hotel bookings?
Yes. In addition to deals on Portland to Kolkata flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Kolkata?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Kolkata.
Can I find deals for business class flights from Portland to Kolkata?
Yes. Cheapflights offers flight deals from Portland to Kolkata 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 Portland to Kolkata?
Currently, September is the cheapest month in which you can book a flight from Portland to Kolkata (average of $963). Flying from Portland to Kolkata in December is currently the most expensive (average of $1,647). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Complete your trip

Kolkata car rentals

Kolkata Netaji S. Chandra Airport car rentals

Other flights to Kolkata

Top 2 airlines flying from Portland to Kolkata

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$1,005	Average$1,285	FlexibilityNo cancel fee	On-time81%
Qatar Airways	Cheapest$1,278	Average$1,459	FlexibilityNo cancel fee	On-time68%

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$1,329+ Cheap flights from Portland (PDX) to Kolkata (CCU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Kolkata 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 Portland to Kolkata Netaji S. Chandra are usually found in September or October, booked 57 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Portland to Kolkata

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Portland to Kolkata

Cheapest flights from Portland to KolkataExplore the most affordable flight options available from Portland to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Portland to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Portland to Kolkata

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Portland to Kolkata. Price data was last updated on June 27, 2025.

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

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

Find hourly flight availability from Portland to Kolkata. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

Reviews of airlines servicing Kolkata

Get a feel of what it's like to fly with Singapore Airlines, Qatar Airways, and British Airways from Portland to Kolkata by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

How can I find direct flights from Portland to Kolkata?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Kolkata by adding a car rental and/or hotel reservation to your travel itinerary.

Top 2 airlines flying from Portland to Kolkata

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Cheapest flights from Portland to Kolkata
Explore the most affordable flight options available from Portland to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.