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Travel with On The Go Tours between Serbia and Bulgaria.Escorted Group Tours and Tailor-Made Holidays.

Visit destinations like Belgrade, Novi Sad, Nis (Serbia).

We’d love you to experience a country the way it really is, with people who live there and know it inside out. We know this makes the difference between a great holiday and a truly memorable one. Our carefully sought out English-speaking tour leaders and local guides are passionate about sharing their country with you and we believe that they are amongst the best in the business.

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Serbia
Serbia is large land-locked Balkan country. In history it has been a member of Yugoslavia and later closely associated with Kosovo and Montenegro. Most people are Orthodox Christian in this Slavic state. Belgrade is the largest city of Serbia.

Bulgaria
Bulgaria is a country in the Balkan (Eastern Europe) with strong Greek, Slavic, Ottoman (Turkish) and Persian influences. It has a rich heritage of traditional dance, music, costumes, and crafts. Capital is Sofia.

Top Destinations in Serbia.

Below are our most visited cities, destinations and national parks in Serbia. Click on the city for more details of the destination.

Belgrade, 'White City', is the capital and largest city of Serbia. It was one of the stops of the Orient Express and still serves as a center on the Balkan with river cruises and other touristic attractions.

Search and compare Tours & Trips . Book at the tour operator.

We have 1259 tours for On The Go Tours to Serbia with duration 5 - 58 Days and rates starting at USD 310.

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Coming from:: United States
Languages:: English
Operator:: On The Go Tours
Must see countries:: Serbia, Bulgaria

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On The Go: Tours (4)
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On The Go: Details

All Tours and Cruises

Serbia, Romania & Bulgaria Discovered

Take in the highlights of Serbia, Romania and Bulgaria on this 12-day group tour travelling from Belgrade to Sofia. Explore the vibrant capitals of Belgrade, Bucharest and Sofia, see Dracula's Castle in Transylvania and visit medieval Brasov. Uncover the rural roots of lesser-visited Bulgaria in Arb...

From/To: Belgrade ⇒ Sofia
Countries (3): Bulgaria, Romania, Serbia
Activities

Duration: 12 Days
Starting at: USD 4,205
Operator: On The Go

-15%

Starting at

USD 4,205

USD 3,574

12 Days

Next Departure

27-Mar-2026	4+
17-Apr-2026	4+

Details

Sofia to Serbia

Set off on an enchanting 14-day adventure through the core of the Balkans, discovering the lively cities of Bulgaria, Romania, and Serbia. Experience the ancient ruins of Plovdiv and the breathtaking Corvin Castle. Venture into Romania to admire Bucharest’s impressive architecture, the iconic Bran C...

From/To: Sofia (Round Trip)
Countries (3): Bulgaria, Romania, Serbia
Activities

Duration: 14 Days
Starting at: USD 6,665
Operator: On The Go

-15%

Starting at

USD 6,665

USD 5,665

14 Days

Next Departure

21-Feb-2026	4+
28-Feb-2026	4+

Details

Central Balkans Explorer

Take in the central belt of countries in the Balkan region, journeying from Belgrade in Serbia to Dubrovnik in Croatia. Uncover the highlights of Bulgaria and Romania including Bucharest, Sofia, Plovdiv and Dracula's Castle. In Bosnia, take in the highlights of Sarajevo and see the famous bridge of ...

From/To: Belgrade ⇒ Dubrovnik
Countries (5): Bosnia and Herzegovina, Bulgaria, Croatia, Romania, Serbia
Overall rating: (4.5)
Activities

Duration: 19 Days
Starting at: USD 7,295
Operator: On The Go

-15%

Starting at

USD 7,295

USD 6,201

19 Days

Next Departure

17-Apr-2026	4+
08-May-2026	4+

Details

Balkans Encompassed

Join us for our longest tour of the Balkans, exploring six magical countries: Serbia, Romania, Bulgaria, Bosnia and Herzegovina, Montenegro and Croatia. Tour the historic European capitals of Belgrade, Bucharest, Sofia, Sarajevo and Zagreb, see the historic bridges of Mostar and enjoy a 3-hour tour ...

From/To: Belgrade ⇒ Zagreb
Countries (5): Bosnia and Herzegovina, Bulgaria, Croatia, Romania, Serbia
Overall rating: (3)
Activities

Duration: 22 Days
Starting at: USD 8,935
Operator: On The Go

-15%

Starting at

USD 8,935

USD 7,595

22 Days

Next Departure

17-Apr-2026	4+
08-May-2026	4+

Details