AirHint found the following cheapest return flights from Seattle (SEA) to Split (SPU) in March 2026 (see full year).

Return flights

05 Mar - 12 Mar	Lufthansa
09 Mar - 16 Mar	Lufthansa
02 Mar - 09 Mar	Lufthansa
28 Mar - 04 Apr	Delta
07 Mar - 14 Mar	Hawaiian Airlines
03 Mar - 10 Mar	Hawaiian Airlines
10 Mar - 17 Mar	Hawaiian Airlines

Also check the deals for one-way flights from Seattle to Split in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Split

Cheap car rent in Split

Cheapest return flights from Seattle to Split in March from $566

Return flights