Cheapest return flights from Seattle to Bucharest in May from 690€

Best time to book flights for Seattle (SEA) to Bucharest (OTP) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Bucharest (OTP) in May 2025 (see full year).

Return flights

20 May - 27 May Icelandair
01 May - 08 May Spirit Airlines
14 May - 21 May Icelandair
05 May - 12 May Spirit Airlines
21 May - 28 May Icelandair
10 May - 17 May Icelandair
07 May - 14 May Hawaiian Airlines
11 May - 18 May Frontier Airlines
12 May - 19 May Hawaiian Airlines
09 May - 16 May Icelandair
26 May - 02 Jun Alaska Airlines
27 May - 03 Jun Alaska Airlines
28 May - 04 Jun Icelandair
25 May - 01 Jun Icelandair
31 May - 07 Jun WestJet

Also check the deals for one-way flights from Seattle to Bucharest in May.

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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.

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