Award flights from Seattle (SEA) to Kolkata (CCU)
Search flights from Seattle (SEA) to Kolkata (CCU)
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In the last 30 days AwardTool saw award space on 11 programs for SEA→CCU. Lowest economy: 37,500 miles + $268.00 (Emirates Skywards). Lowest business class: 109,000 miles + $1,073.00 (Emirates Skywards); mixed cabin from 88,000 miles + $40.90 (United MileagePlus). Lowest first class: 255,000 points + $62.80 (Alaska Atmos Rewards).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Seattle (SEA) to Kolkata (CCU) at a glance
- From
- Seattle-Tacoma International, Seattle, Washington, United States (SEA)
- To
- Netaji Subhash Chandra Bose International, Kolkata, India (CCU)
- Programs with award space seen
- 11 of 11 programs tracked on this route
- Nonstop award space seen
- Not seen in the last 30 days
- Airlines seen on these awards
- American Airlines (AA), Air Canada (AC), Air France (AF), Air India (AI), Alaska Airlines (AS), JetBlue (B6), EVA Air (BR), Delta Air Lines (DL), Emirates (EK), Etihad Airways (EY), flydubai (FZ), Lufthansa (LH) and 9 more
- Departures with open awards
- Oct 2026 to Mar 2027
- Most dates with space
- 46 of 46 departure dates checked (Alaska Atmos Rewards, economy)
- Latest departure with space
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to Kolkata (CCU)
Compare programs by cabin
The lowest one-way award each program showed in each cabin, sorted by points.
Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Emirates SkywardsLowest observed | 37,500 pts + $268.00 | 1 stop | Emirates (EK) | 5 | 38 | See dates | |
| American Airlines AAdvantage | 40,000 pts + $20.60 | 2 stops | American Airlines (AA), Alaska Airlines (AS), Etihad Airways (EY), Qatar Airways (QR) | — | 33 | See dates | |
| Qatar Airways Privilege Club | 42,500 pts + taxes not reported | 1 stop | Qatar Airways (QR) | 1 | 28 | See dates | |
| United MileagePlus | 49,500 pts + $5.60 | 3 stops | Air Canada (AC), Air India (AI), EVA Air (BR), Lufthansa (LH) +3 more | 2 | 37 | See dates | |
| Etihad Guest | 56,500 pts + $293.00 | 2 stops | American Airlines (AA), Air France (AF), JetBlue (B6), Etihad Airways (EY) | 7 | 35 | See dates | |
| Air France/KLM Flying Blue | 61,500 pts + $174.10 | 2 stops | Delta Air Lines (DL), China Eastern (MU) | 5 | 8 | See dates | |
| Alaska Atmos Rewards | 65,000 pts + $62.80 | 2 stops | Alaska Airlines (AS), Qatar Airways (QR) | 9+ | 46 | See dates | |
| Avianca LifeMiles | 65,410 pts + $46.50 | 2 stops | EVA Air (BR), Singapore Airlines (SQ), Thai Airways International (TG) | 1 | 21 | See dates | |
| Air Canada Aeroplan | 69,183 pts + $75.61 | 2 stops | Air Canada (AC), Air India (AI), EVA Air (BR), Emirates (EK) +7 more | 1 | 39 | See dates | |
| Qantas Frequent Flyer | 94,500 pts + $268.00 | 1 stop | Alaska Airlines (AS), Emirates (EK) | 1 | 5 | See dates | |
| GOL Smiles | 196,000 pts + taxes not reported | 2 stops | American Airlines (AA), Air Canada (AC), Air France (AF), Air India (AI) +5 more | 1 | 14 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Emirates SkywardsLowest observed | 98,000 pts + $268.00 | 1 stop | Emirates (EK) | 4 | 7 | See dates | |
| Air Canada Aeroplan | 98,010 pts + $83.01 | 3 stops | Air Canada (AC), Air India (AI), Emirates (EK), flydubai (FZ) | 1 | 15 | See dates | |
| Qantas Frequent Flyer | 150,300 pts + $268.00 | 1 stop | Emirates (EK) | 1 | 7 | See dates | |
| United MileagePlus | 225,000 pts + $5.60 | 2 stops | Air India (AI), United Airlines (UA) | 1 | 31 | See dates |
Not seen in premium economy: American Airlines AAdvantage, Alaska Atmos Rewards, Avianca LifeMiles, Etihad Guest, GOL Smiles, Air France/KLM Flying Blue and Qatar Airways Privilege Club.
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| United MileagePlusLowest, mixed cabin | 88,000 pts + $40.90Mixed cabin | 2 stops | Air India (AI), EVA Air (BR), Singapore Airlines (SQ), United Airlines (UA) | 1 | 45 | See dates | |
| Emirates Skywards | 109,000 pts + $1,073.00 | 1 stop | Emirates (EK) | 2 | 34 | See dates | |
| Etihad Guest | 120,000 pts + $259.50Mixed cabin | 2 stops | American Airlines (AA), Etihad Airways (EY) | 3 | 13 | See dates | |
| Qatar Airways Privilege Club | 157,500 pts + taxes not reportedMixed cabin | 1 stop | Qatar Airways (QR) | 1 | 6 | See dates | |
| Alaska Atmos Rewards | 255,000 pts + $62.80 | 1 stop | Alaska Airlines (AS), Qatar Airways (QR) | 7 | 25 | See dates | |
| Air Canada Aeroplan | 300,711 pts + $83.61Mixed cabin | 2 stops | Air Canada (AC), Air India (AI), Emirates (EK), flydubai (FZ) +1 more | 1 | 27 | See dates |
Not seen in business class: American Airlines AAdvantage, Avianca LifeMiles, GOL Smiles, Air France/KLM Flying Blue and Qantas Frequent Flyer.
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| United MileagePlusLowest, mixed cabin | 220,000 pts + $5.60Mixed cabin | 2 stops | Air India (AI), United Airlines (UA) | 1 | 1 | See dates | |
| Alaska Atmos Rewards | 255,000 pts + $62.80 | 2 stops | Alaska Airlines (AS), Qatar Airways (QR) | 3 | 26 | See dates | |
| Qantas Frequent Flyer | 273,400 pts + $1,073.00 | 1 stop | Emirates (EK) | 1 | 2 | See dates |
Not seen in first class: American Airlines AAdvantage, Air Canada Aeroplan, Avianca LifeMiles, Emirates Skywards, Etihad Guest, GOL Smiles, Air France/KLM Flying Blue and Qatar Airways Privilege Club.
Not seen means AwardTool hasn't observed this cabin on this route in the last 30 days. It doesn't mean the airline has no seats. Dates seen counts departure dates with an open award in that cabin at any price; newest observation is the latest time AwardTool saw one of them. Seats is the count the program reported when we observed it; some programs report at most 9.
Observed award examples
| Departure | Cabin | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|---|
| Economy | American Airlines AAdvantage | 40,000 pts + $20.60 | — | 2 stops | Check this date | ||
| Premium Economy | Emirates Skywards | 98,000 pts + $268.00 | 4 | 1 stop | Check this date | ||
| Business | Qatar Airways Privilege Club | 170,000 pts + taxes not reported | 1 | 1 stop | Check this date | ||
| Business | United MileagePlus | 300,000 pts + $5.60 | 1 | 2 stops | Check this date | ||
| Business | Air Canada Aeroplan | 300,711 pts + $83.61Mixed cabin | 1 | 2 stops | Check this date | ||
| Business | Etihad Guest | 1,338,875 pts + $773.00 | 2 | 2 stops | Check this date | ||
| First | Alaska Atmos Rewards | 255,000 pts + $62.80 | 3 | 2 stops | Check this date | ||
| First | Qantas Frequent Flyer | 273,400 pts + $1,073.00 | 1 | 1 stop | Check this date |
Prices are one-way per traveler: the program's points or miles plus taxes and carrier fees in USD, as AwardTool observed them in the observation window. Award space changes constantly. A seat we saw may be gone, and space we haven't seen may exist. Always confirm with a live search before transferring points; most transfers can't be reversed.
Best months to fly from Seattle (SEA) to Kolkata (CCU) on points
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 40,000 · AAdvantage (4 dates) | 150,400 · Aeroplan (1 date) | 170,000 · Privilege Club (1 date) | 273,400 · Qantas (2 dates) | |
| 40,000 · AAdvantage (5 dates) | 98,000 · Skywards (5 dates) | 181,000 · Skywards (11 dates) | 255,000 · Atmos (4 dates) | |
| 40,000 · AAdvantage (1 date) | 225,000 · MileagePlus (3 dates) | 181,000 · Skywards (3 dates) | — | |
| 40,000 · AAdvantage (15 dates) | 98,010 · Aeroplan (9 dates) | 109,000 · Skywards (13 dates) | 220,000 · MileagePlus (1 date)Mixed cabin | |
| 37,500 · Skywards (5 dates) | 98,000 · Skywards (2 dates) | 109,000 · Skywards (5 dates) | 255,000 · Atmos (6 dates) | |
| 40,000 · AAdvantage (2 dates) | 225,000 · MileagePlus (2 dates) | 88,000 · MileagePlus (2 dates)Mixed cabin | 255,000 · Atmos (1 date) |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Air Canada Aeroplan | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | — |
| Air France/KLM Flying Blue | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant |
| Alaska Atmos Rewards | — | 1:1 · ~1 day | — | — | — | — |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| Avianca LifeMiles | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | 1:1 · Instant | 1:1 · Instant |
| Emirates Skywards | 5:4 · Instant | 1:1 · Instant | 1:0.75 · Instant | — | 1:0.8 · Instant | — |
| Etihad Guest | — | 1:1 · Instant | 1:1 · ~1 day | — | 1:1 · Instant | — |
| Qantas Frequent Flyer | 1:1 · Instant | — | 1:1 · ~1-2 days | — | 1:1 · Instant | — |
| Qatar Airways Privilege Club | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | 1:1 · ~1-2 days | — |
| United MileagePlus | — | 1:1 · Instant | — | 1:1 · Instant | — | — |
Check current transfer bonuses. Most transfers can't be reversed. No bank transfers to GOL Smiles.
Search, calendar and alerts from Seattle (SEA) to Kolkata (CCU)
Route calendar
Every departure date with open award seats on SEA→CCU for United MileagePlus and the other programs: a limited window on the free plan and 365 days with Pro.
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Search Seattle (SEA) to Kolkata (CCU)How many miles or points you need from Seattle (SEA) to Kolkata (CCU)
- In economy, Emirates Skywards had the lowest observed award, 37,500 miles + $268.00; see how many miles you need with Emirates Skywards.
- In premium economy, Emirates Skywards had the lowest observed award, 98,000 miles + $268.00; see how many miles you need with Emirates Skywards.
- In business class, Emirates Skywards had the lowest observed award, 109,000 miles + $1,073.00, apart from a mixed-cabin award from 88,000 miles + $40.90 with United MileagePlus; see how many miles you need with Emirates Skywards.
- In first class, Alaska Atmos Rewards had the lowest observed award, 255,000 points + $62.80; see how many points you need with Alaska Atmos Rewards.
Questions about award flights from Seattle (SEA) to Kolkata (CCU)
What's the lowest Seattle (SEA) to Kolkata (CCU) award price AwardTool has seen?
In economy, 37,500 miles + $268.00 with Emirates Skywards. Emirates Skywards showed economy award space on 38 departure dates at any price (newest observation Oct 18, 2026, 00:00 UTC). In business class, 109,000 miles + $1,073.00 with Emirates Skywards. Emirates Skywards showed business-class award space on 34 departure dates at any price (newest observation Oct 18, 2026, 00:00 UTC). A mixed-cabin itinerary, with part of the trip in a lower cabin, was seen from 88,000 miles + $40.90 with United MileagePlus. Search live before transferring points.
Which loyalty programs had award space from Seattle (SEA) to Kolkata (CCU)?
11 programs in the last 30 days: American Airlines AAdvantage (economy 33 dates); Air Canada Aeroplan (economy 39 dates, premium economy 15 dates, business class 27 dates); Alaska Atmos Rewards (economy 46 dates, business class 25 dates, first class 26 dates); Avianca LifeMiles (economy 21 dates); Emirates Skywards (economy 38 dates, premium economy 7 dates, business class 34 dates); Etihad Guest (economy 35 dates, business class 13 dates); GOL Smiles (economy 14 dates); Air France/KLM Flying Blue (economy 8 dates) and 3 more. Dates count departure dates with an open award.
Is there nonstop award space from Seattle (SEA) to Kolkata (CCU)?
AwardTool hasn't observed nonstop award space on this route in the last 30 days. The awards it saw connected with 1 to 3 stops on itineraries including American Airlines, Air Canada, Air France and Air India. That doesn't mean nonstop space never appears.
Which credit card points can book awards from Seattle (SEA) to Kolkata (CCU)?
American Express Membership Rewards: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Emirates Skywards (5:4), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Qatar Airways Privilege Club (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Alaska Atmos Rewards (1:1), Avianca LifeMiles (1:1), Emirates Skywards (1:1), Etihad Guest (1:1), Air France/KLM Flying Blue (1:1), Qatar Airways Privilege Club (1:1), United MileagePlus (1:1). Capital One Miles: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Emirates Skywards (1:0.75), Etihad Guest (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Qatar Airways Privilege Club (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1), Air France/KLM Flying Blue (1:1), United MileagePlus (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Avianca LifeMiles (1:1), Emirates Skywards (1:0.8), Etihad Guest (1:1), Air France/KLM Flying Blue (1:1), Qantas Frequent Flyer (1:1), Qatar Airways Privilege Club (1:1). Wells Fargo Rewards: Avianca LifeMiles (1:1), Air France/KLM Flying Blue (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.
Which months had the lowest award prices from Seattle (SEA) to Kolkata (CCU)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers: in economy, the lowest award was for Feb 2027 departures, 37,500 miles with Skywards (5 dates); in business class, the lowest award was for Jan 2027 departures, 109,000 miles with Skywards (13 dates), and a mixed-cabin itinerary was seen for Mar 2027 departures from 88,000 miles with MileagePlus. The month table shows every lowest price, including those. Based on dates we observed, not a forecast.