Flash venues to choose from:

• Metastellar. This is an online-only publication with periodic print anthologies that relies largely on unpaid contributions. Twice a year (March and October) they open for a month for 1200wd Flash submissions, for which they pay 8 CPW.
• Orion’s Belt. New outlet; 8 CPW up to 1200 words. Fast response time; almost no production content.
• Small Wonders. They’re new, but they pay ten cents a word (or one cent for reprints). 1000 words; fantasy or sci-fi. Submissions link is in the top menu bar.
• Flash Fiction Online. Name says it all. 1st-21st of each month; $80 for a 500-1000 word piece. Cross-genre or plain literary fiction. Closed every June.
• Factor Four Magazine. Fantasy, sci-fi, superhero, supernatural, speculative. Shorts, max 1000 words. Pay is 11 CPW, plus royalties from anthologies.
• Frozen Wavelets. Speculative flash fiction, including reprints; pro rates. 750 words or less for original (no minimum) and 500-1500 for reprints. Irregular acceptance periods; seasonal release.
• Nature. Believe it or not, Nature is a market for flash sci-fi in their Futures section. $130 for a 850-950 word story. Generally, near-future hard sci-fi.
• SmokeLong Quarterly. Pay is $100 for flash. Literary and strange is their remit.
• Fractured Lit. Pay is $50 for micro (400) and $75 for flash (1000). They also run for-pay contests.
• Short Editions. This venue has an online magazine but primarily distributes short fiction by means of dispensers, located in transit hubs and waiting rooms around the world. Payment is by annual royalty, with a 100 Euro advance due upon acceptance. 7500 character maximum for fiction, which equates to about 1350 words.
• CRAFT Literary. Flash is $100, short fiction $200, creative NF, essays on the craft of writing $50-100, occasional contests. Broad remit, including speculative and slipstream, but pure horror, mystery, fantasy, and sci-fi are probably not their ideal. Long submission.
• Journal of Compressed Creative Arts. $50 per acceptance, 600 words. Loose definition of “compressed” and puns on “matter”. Biannual submissions period, spring and fall. Option for paid editorial response.