Norwegian Airlines is offering round-trip fares as low as $341.30 from Los Angeles LAX to Stockholm, Sweden. This low fare is available as soon as mid-September.
Go to the Norwegian website to find this fare.
With Norwegian you pay for all extras, like checked luggage and food. You may be able to find an even lower price by going to the Norway version of Norwegian’s website and paying in kroner…the Chrome browser can translate for you, and you can check exchange rates at xe.com.