
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $858 (oojo) |
One-way from | $335 (FlightHub) |
Popular in | December |
Cheapest in | September |
Average price | $1,067 |
Fly from
Fly to
Route
Depart
Return
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Thu 4/16
10:15 am-10:35 pm
1 stop23h 50m
Kolkata Netaji S. Chandra
Sun 4/26
11:40 pm-6:40 pm
3 stops31h 30m
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Mon 3/16
5:05 pm-1:55 am
1 stop20h 20m
Kolkata Netaji S. Chandra
Thu 3/19
3:25 am-12:40 pm
1 stop21h 45m
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Sun 3/8
5:05 pm-1:55 am
1 stop20h 20m
Kolkata Netaji S. Chandra
Tue 3/31
4:00 am-12:55 pm
1 stop21h 25m
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Sat 3/14
5:05 pm-1:55 am
1 stop20h 20m
Kolkata Netaji S. Chandra
Wed 4/1
4:00 am-9:57 pm
2 stops54h 27m
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Fri 3/13
9:56 pm-1:55 am
2 stops39h 29m
Kolkata Netaji S. Chandra
Tue 3/31
4:00 am-9:57 pm
2 stops54h 27m
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Mon 3/16
8:00 pm-12:40 pm
2 stops52h 10m
Kolkata Netaji S. Chandra
Fri 3/20
9:30 pm-6:05 pm
2 stops33h 05m
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Sat 5/16
10:15 am-10:15 pm
1 stop23h 30m
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Tue 3/24
9:36 pm-10:10 pm
2 stops36h 04m
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Sat 3/14
10:51 pm-7:55 pm
2 stops32h 34m
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Sun 3/29
4:25 pm-2:30 am
1 stop21h 35m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
The best time to book flights from Seattle to Kolkata is 68 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.
Currently, September is the cheapest month in which you can book a flight from Seattle to Kolkata (average of $517). Flying from Seattle to Kolkata in December is currently the most expensive (average of $1,037). 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.
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Feb 2026
SAI - SIN
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Feb 2026
SAI - SIN
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Feb 2026
SAI - SIN
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Feb 2026
SAI - SIN
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Feb 2026
SAI - SIN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$698 | Average$1,099 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,008 | Average$1,206 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,137 | Average$1,451 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,768 | Average$3,346 | FlexibilityNo cancel fee | On-time75% |