Konstanz has no commercial airport. The closest airports are:

• Zurich Airport (Switzerland) (ZRH ^IATA). By car 1 hour to Konstanz. By train 1 to 1.5 hours to Konstanz. There is a direct train from Zurich airport to Konstanz once an hour, and another train with a connection in Weinfelden once an hour.
• Friedrichshafen Airport (Germany) (FDH ^IATA). By car 1 hour to Konstanz (take the car ferry between Meersburg and Konstanz). By train approx. 2 hours to Konstanz. By boat approx 1 hour to Konstanz (take the train from Friedrichshafen airport to Friedrichshafen Hafen and get the Katamaran to Konstanz).
• Stuttgart Airport (Germany) (STR ^IATA). By car 2 hours to Konstanz. By train 2.5 to 3 hours to Konstanz.
• EuroAirport (Basel, Switzerland). About 2 hours by car. By train, 2 hours from Konstanz first to the Basel Bad Bahnhof (in Germany) then about 45 minutes by regular tram/bus to the airport via a transfer at the Basel SBB station on the Swiss side.

47.6587649.1771671 Konstanz Hauptbahnhof (in the old town). This is the main train station. It's the last German stop before the Swiss border, and is therefore served by both German and Swiss trains. Hourly direct trains from Zurich Main Station (1hr 20 min) go via Zurich Airport. Zurich Main Station has excellent connections to the rest of Switzerland as well as Italy, Austria and France.  

The other train stations in Konstanz are in the city districts of Petershausen, Fürstenberg and Wollmatingen.

Most places around Lake Constance can be reached by train: Romanshorn, St. Gallen, Stein am Rhein and Schaffhausen can all be reached with a change in Kreuzlingen (which is the "Swiss suburb" of Konstanz, just across the border), whereas Friedrichshafen, Lindau and other German places around the lake require a change in Radolfzell and take a long time - the boat can often be quicker. Bregenz in Austria is best reached via Switzerland - change in Rorschach and St Margrethen.

To reach Konstanz from the rest of Germany is time-consuming. There are direct trains to Karlsruhe (3 hours on a scenic route through the Black Forest), but other connections require a change in Offenburg (for Frankfurt and cities further north), Radolfzell (Ulm, Augsburg, München and beyond) or Singen (Stuttgart).

From Germany: from the A81, take the B33 into Konstanz. From Switzerland: the A7 leads straight into Konstanz.

Possible from many cities on Lake Constance. The fastest connections are :

• Car ferry from Meersburg, runs several times an hour from 06:00 until 24:00, and once an hour from 00:00 until 06:00. The crossing takes 15 min.
• Katamaran from Friedrichshafen, runs once an hour from 06:00 until 19:00, taking around an hour.

Bodensee Schifffahrt runs several services across Lake Constance which may take longer, but include more cities. Apart from Meersburg and Friedrichshafen, the ferries to and from Konstanz call in. al. in Überlingen (1.5hr), Lindau in Bavaria (2hr) and Bregenz in Vorarlberg, Austria (4hr). The timetable is quite intricate and not all departures include all stops.

Konstanz's centre (old town) is largely pedestrian and very walkable.

The bus system is fast and efficient. The bus costs €2.10 (adult) or €1.05 (child). A day ticket is €4.00.

Taxis are nearly always available in front of the main train station.

There are bicycle paths all over the city. Bicycles can be rented from near the train station (about 100 m north of the main station building) for €12 per day or less.

• 47.6633339.1763891 Konstanz Cathedral (Konstanzer Münster) (In the old town, at Münsterplatz). Construction completed on the North Tower in about 1100 AD. Built between 1100 and 1854, the church is a magnificent example of architectural styles of the centuries. Climb up the tower for a fantastic view of Konstanz and the Bodensee.  
• Art nouveau houses beside the lake, Seestraße (on the north shore where the lake meets the Rhine, just east of the train bridge). 
• 47.6797229.1805562 Bismarck Tower, Bismarksteig (in the Petershausen district). There are towers commemorating the first German chancellor Otto von Bismarck all over Germany. Konstanz's Bismarck tower is at the top of a grapevine-covered hill. There are benches and firepits at the base of the tower. It's a nice place to watch the sunset. There's a good view from the base of the tower and an even better one from the top. Adults €1. (updated Nov 2021)
• Konzil (Council building) (at the harbour). This building was built in 1388 and originally used as a warehouse. From 1414-1417 the council of Konstanz was held here to resolve the three-way occidental schism (an earlier compromise attempt had not resolved the two rival claims, but instead produced a third). The Council was also where Czech reformer Jan Hus was burned as a heretic. The building contains a restaurant and concert hall, and is undergoing restoration work. 
• Rheintorturm and Pulverturm (Rhine entrance tower and Powder tower) (On the south shore of the Rhine, just downstream from where the lake meets the Rhine.). Remnants of the old city defenses. 
• 47.658739.170933 Schnetztor, Hussenstraße (at the south end of Hussenstraße in the old town). 14th-century city gate and tower, next to a bit of the old city wall.  

• 47.6607529.1811084 Imperia statue (at the harbour entrance). By artist Peter Lenk. The statue is of a woman holding two naked men--Pope Martin V and Emperor Sigismund--in her hands. The men wear only the papal tiara and the crown, respectively. The statue refers to a short story by Balzac, "La belle Impéria".  
• Sculptures along the German-Swiss border (Along the border, next to the lake). Where there used to be a border fence, there is now a series of 22 sculptures representing the trumps of the tarot, the "Great Arkana". 
• The harbour. From the harbour on a clear day, you can see the Swiss and Austrian Alps across the lake. The harbour is a great place to see sailboats, catch a boat across the lake, sit in a beer garden, rent a paddle boat or mini motor boat, or relax in the park. 
• Niederburg district (north-west corner of old town). This charming district is the oldest part of Konstanz. It is made up of narrow streets and old buidings, sometimes more than 700 years old. On the first Friday of each month from May to October, the shops of Niederburg stay open late and there is music, flea market tables, and art in the streets. It's a very cozy atmosphere and worth a walk through. 

• 47.66849.1795 Archaeology Museum of Baden-Württemberg, Benediktinerplatz 5 (City district Petershausen, near bus stop Sternenplatz on most bus lines). Tu-Su 10:00-18:00; Mondays and holidays closed. Particular emphasis on the Bodensee (Lake Constance) region and the middle ages. Adults (14+ years): €4; kids (6-13 years) €0.50, first Saturday of the month free.  
• Hus Haus, Hussenstraße 64 (In the old town). Apr 1 - Sep 30: Tu-Su 11:00-17:00; Oct 1 - Mar 31: Tu-Su 11:00-16:00; closed Mondays and holidays. Museum dedicated to Czech religious reformer Jan Hus. The museum is all in German and Czech. Free. 
• ^{[dead link]} Rosegarten Museum, Rosgartenstraße 3-5 (In the old town). Tu-F 10:00-18:00, Sa Su 10:00-17:00, Mondays closed. History and culture of Konstanz and the surrounding area. The museum is all in German. Adult: €3 reduced: €1.50, family: €7, free first Sunday of the month. 
• 47.656999.180326 Sea Life Centre, Hafenstr. 9 (On the lake side of the Lago Centre (mall)). Adults (15 years+) €16.50; children (3-14 years) €10.95.  
• Wessenburg Gallery, Wessenbergstraße 43 (In the old town, across from the Munster cathedral). Tu-F 10:00-18:00; Sa Su 10:00-17:00; Mondays closed. Art gallery with rotating exhibitions €3. 

• Carnival (Fastnacht) (all over Konstanz, but primarily in the old town). In the week preceding Ash Wednesday. This week-long event involves parades, costumes and parties. Carnival is an old tradition in southern Germany, made up a mix of pagan and Christian beliefs, whose main purpose is to chase out winter. The secondary purpose is, of course, to dress up in a costume and party. 
• International Bodensee Week (at/near the harbour). In spring (late May). This festival is all about boats. It features boat exhibitions, regattas, and water skiing shows & competitions. free. 
• Christopher Street Day (LGBT pride parade). In summer (mid-July). A cross-border LGBT pride parade/demonstration in Konstanz and neighbouring Swiss city Kreuzlingen. There are several cultural activities in the week leading up to the parade. The parade starts around 11 am and is followed by some bands playing in the Stadtpark (near the harbour). In the evening there's a party in the Konzil building (€14 entry). 
• Konstanz Wine Festival (St. Stephan's Platz, in the old town). At the end of July. An outdoor festival featuring local wines and live music. 
• Seenachtfest, all along the lakeshore in Konstanz. In mid-August. 1-day festival with live music and other performances on a few different stages, water shows (e.g. waterskiing), a market. The final event is a big fireworks competition between Konstanz, and neighbouring Swiss city Kreuzlingen. You can see the fireworks for free by watching in Kreuzlingen instead. Kreutzlingen also has a small midway and market during this event (free entry). Adults €12 in advance or €16 on the day, kids under 12 free. 
• Rock am See, Bodensee Stadion (stadium) (the east-most point of Konstanz (on bus route 5)). At the end of August. 1-day music festival. approx. €60. 
• Oktoberfest (klein venedig festival grounds, on the waterfront between the Sea Life Centre and the Swiss border). It takes place over 3 weekends: the last 2 weekends in September and the first weekend in October. 11:00 until 24:00 or 01:00. Closed Mondays and Tuesdays. The Konstanz Oktoberfest is rather smaller than the one in Munich but is worth attending if you're in town. It features the usual Oktoberfest-style beer, food, and live bands, and has a small midway. You have to pay a few euros for an. 
• Christmas Market (harbour and old town main market (Marktstätte)). It goes for the 4 weekends before Christmas. An outdoor festival where the main marketplace and harbour are lined with stalls selling mulled wine, food, art and kitchy stuff. 

• 47.6606449.1774711 La Piazza, Marktstätte 2 (east end of the Marktstätte, next to the post office). Offers Italian food of all different varieties as well as Italian-style coffee. (updated Sep 2022)
• 47.6574279.1745742 Ali Baba, Hüetlinstraße 3 (near the Cinestar movie theater). A special recommendation for Döner Kebap. (updated Sep 2022)
• 47.6616579.1753023 Taverne Pan, Sallmannsweilergasse 13, 78462 Konstanz (in the Altstadt (old town)), ☏ +49 7531 25478. Daily 12:00-14:30 & 18:00-01:00. Greek taverne with great and most important cheap food. A place with nice music and good service. You should definitely try Gyro and Galactoboureko. (updated Sep 2022)
• 47.6591759.1743144 BOX To Go, Ob. Augustinergasse 2. (updated Sep 2022)
• 47.662849.1751265 Kervan Veggie Imbiss, Wessenbergstraße 35. (updated Sep 2022)
• 47.6583819.1709556 Burroburro, Bodanstraße 41. (updated Sep 2022)
• 47.6608519.172067 Akropolis, Ob. Laube 55. (updated Sep 2022)

• 47.6601929.1752598 Casablanca, Marktstätte 15 (west end of the Marktstätte, near the fountain). Offers Italian food, a great place to sit outside and watch the tourist masses walk by or catch the performances of the street artists. (updated Sep 2022)
• 47.6583119.1753599 Suppengrün, Sigismundstraße 19 (in the Altstadt (old town)), ☏ +49 7531 917100. M-Sa 11:00 to 21:00. Fresh and delicious soup and salad. The salad bar is full of fresh selections including many vegetarian and a few vegan options. (Pay according to the weight of your salad.) There are several soup options; some change daily. Salad: pay by weight. (updated Sep 2022)
• 47.6619049.17497810 Good Rice zum Elefanten, Salmannsweilergasse 34 (in the altstadt (old town)). M-Sa 11:30-14:30, 17:30-24:00. A restaurant with typical southern-Germany atmosphere, serving typical southern-Germany specialties. (updated Sep 2022)
• 47.6585189.17520511 Karma: Touch of Singapore, Sigismundstraße 14 (in the altstadt (old town)). M-F 11:30-15:00, 17:30-23:00; Sa 11:30-23:30, Su 17:30-23:30. Food inspired by Indian, Chinese, Indonesian und Thai cuisine. (updated Sep 2022)

• 47.6673089.18786512 Ophelia Fine Dining, Seestraße 25. (updated Sep 2022)
• 47.6711059.16732713 Restaurant Friedrichs Bar & Lounge, Reichenaustraße 17. (updated Sep 2022)
• 47.6632439.16078714 Papageno zur Schweizer Grenze, Gottlieber Str. 64. (updated Sep 2022)

• Casba, Obere Laube 55 (Just on the edge of the old town). Cheapest place in town; loud, smokey and sticky, somewhat legendary. 
• Grey, Max-Stromeyer-Str. 33 (Industrial area of town). (updated Jun 2023)
• Berry's, Reichenaustr. 204. (updated Jun 2023)
• Kantine, Oberlohnstraße 3. (updated Jun 2023)