Best Flights starting from $729
from$729economy
Seattle (SEA)
Sun, Aug 2
One-way
Kolkata (CCU)
—
from$928economy
Seattle (SEA)
Sat, Aug 1
One-way
Kolkata (CCU)
—
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Other Destinations
Seattle (SEA) to Denver (DEN) in August from $43
From $43
Seattle (SEA) to Las Vegas (Any) in August from $56
From $56
Seattle (SEA) to Phoenix (PHX) in August from $99
From $99
Seattle (SEA) to Washington, D.C. (BWI) in August from $114
From $114
Seattle (SEA) to Las Vegas (LAS) in August from $117
From $117
Seattle (SEA) to Santa Ana (SNA) in August from $120
From $120
Flights from Other Cities
Vancouver (Any) to Kolkata (CCU) in August from $1,469
From $1,469
Toronto (YYZ) to Kolkata (CCU) in August from $1,667
From $1,667
Vancouver (Any) to Kolkata (CCU) in August from $3,208
From $3,208
Washington, D.C. (IAD) to Kolkata (CCU) in September from $977
From $977
Halifax (YHZ) to Kolkata (CCU) in September from $1,155
From $1,155
San Francisco (SFO) to Kolkata (CCU) in October from $672
From $672