
Popular airlines from Sumatra
Alaska Airlines
Delta
United
American Airlines
Air Canada
Lufthansa
British Airways
Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 15% on select hotels after you book a flight*
Cheapest flights from Sumatra
These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 11 Oct - Mon, 13 Oct
BIL
Billings
SEA
Seattle
€168 Return, found 4 days ago
€168
Return
found 4 days ago

Sat, 11 Oct - Mon, 13 Oct
BIL
Billings
SEA
Seattle
€194 Return, found 4 days ago
€194
Return
found 4 days ago

Thu, 30 Oct - Thu, 6 Nov
BIL
Billings
PDX
Portland
€202 Return, found 6 days ago
€202
Return
found 6 days ago

Thu, 30 Oct - Thu, 6 Nov
BIL
Billings
PDX
Portland
€211 Return, found 6 days ago
€211
Return
found 6 days ago

Sat, 11 Oct - Mon, 13 Oct
BIL
Billings
SEA
Seattle
€224 Return, found 4 days ago
€224
Return
found 4 days ago

Sat, 11 Oct - Mon, 13 Oct
BIL
Billings
SEA
Seattle
€224 Return, found 4 days ago
€224
Return
found 4 days ago

Thu, 30 Oct - Thu, 6 Nov
BIL
Billings
PDX
Portland
€232 Return, found 6 days ago
€232
Return
found 6 days ago

Sat, 11 Oct - Mon, 13 Oct
BIL
Billings
SEA
Seattle
€236 Return, found 4 days ago
€236
Return
found 4 days ago

Thu, 30 Oct - Thu, 6 Nov
BIL
Billings
PDX
Portland
€241 Return, found 6 days ago
€241
Return
found 6 days ago

Tue, 23 Dec - Fri, 2 Jan
BIL
Billings
LAS
Las Vegas
€272 Return, found 3 days ago
€272
Return
found 3 days ago
- Flights to New York
- Flights to Las Vegas
- Flights to Orlando
- Flights to Chicago
- Flights to San Francisco
- Flights to San Diego
- Flights to Los Angeles
- Flights to Boston
- Flights to Houston
- Flights to Miami
- Flights to Atlanta
- Flights to Nashville
- Flights to Denver
- Flights to San Antonio
- Flights to Honolulu
- Flights to New Orleans
- Flights to Panama City Beach
- Flights to Austin
- Flights to Seattle
- Flights to Anaheim
Top Flight Destinations In World
- Flights to Greece
- Flights to Japan
- Flights to Indonesia
- Flights to Germany
- Flights to Sweden
- Flights to Italy
- Flights to Colombia
- Flights to South Korea
- Flights to Canada
- Flights to Brazil
- Flights to Russia
- Flights to China
- Flights to Philippines
- Flights to Spain
- Flights to Türkiye
- Flights to United States of America
- Flights to Argentina
- Flights to India
- Flights to Thailand
- Flights to Australia
*Available to Expedia members.