nove-mesto
U Fleku's daily Czech main course plus a dark Flek 13 sits at around 300 CZK including the beer. Heavy goulash, dumplings, pork knee, all in the 1499 brewery's eight halls.
Try: Goulash, dumplings, beer
Tip: Tip the goulash, refuse the unsolicited Becherovka shots, the bill stays low.
stare-mesto
Sisters Bistro's chlebicky cost 55-70 CZK each; three plus a soup makes a lunch under 250 CZK in the Dlouha gourmet arcade. The modern, vegan-friendly version of the open sandwich.
Try: Three chlebicky and a soup
Tip: Show up before 12:30 for the full selection; popular pieces vanish first.
nove-mesto
Bombay Express's central branch sells curry-and-rice plates at 150-220 CZK, with vegetarian and halal options clearly marked. Cooked to order, fast counter format, no reservation.
Try: Indian curry plate
Tip: Lunch is the cheapest window; the dosa is the kitchen's specialty.
smichov
Loving Hut Smichov runs the cheapest sit-down vegan lunch in central Prague: rotating Asian mock-meat plates, pho-style soups, weekday menu at 150-220 CZK.
Try: Vegan lunch plate
Tip: The daily menu is the cheapest way; the pho is the dish to try.
nove-mesto
Saturday at Naplavka, the river embankment becomes a hundred-stall market. Sausages, langos, fish soup, kolache: a 200 CZK lunch with a Czech wine glass to chase it.
Try: Czech sausages, langos, fish soup
Tip: Arrive by 10:00; cash is faster than card across most stalls.
vinohrady
Beas in Vinohrady is the cheapest sit-down meal in central Prague: vegetarian Indian by the kilogram. Two or three curries plus rice runs 150 CZK at most.
Try: Indian vegetarian thali by weight
Tip: Aim for the lunch rush 12:00 to 14:00; that is when the steam table is fullest.