Earn point on your loyalty program!arrow arc left

Cheap flights from Seattle (BFI) to Asuncion (ASU)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Seattle (BFI) to Asuncion (ASU)

How to find the cheapest flight from Seattle (BFI) to Asuncion (ASU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Asuncion (ASU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Asuncion (ASU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Seattle to Asuncion in March , April 2026

16 Mar - 27 Apr $ 1,916.00
BFI
Seattle
Air Excursions
3 STOPS
ASU
Asuncion
ASU
Asuncion
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
16 Mar - 23 Apr $ 1,931.00
BFI
Seattle
Air Excursions
3 STOPS
ASU
Asuncion
ASU
Asuncion
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
16 Mar - 16 Apr $ 1,931.00
BFI
Seattle
Air Excursions
3 STOPS
ASU
Asuncion
ASU
Asuncion
Air Excursions
3 STOPS
BFI
Seattle
Pick dates

One-way flights to Asuncion from Seattle

6:55 AM - 9:23 PM
Copa Airlines
3 Stops
42h 37m
BFI - ASU
$ 908
Kiwi
Pick dates
6:55 AM - 9:23 PM
Copa Airlines
3 Stops
41h 37m
BFI - ASU
$ 976
Kiwi
Pick dates
7:45 PM - 12:30 AM
LATAM Airlines
3 Stops
30h 30m
BFI - ASU
$ 1,133
Kiwi
Pick dates

How to find the cheapest flight from Seattle (BFI) to Asuncion (ASU)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Asuncion (ASU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Asuncion (ASU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.