20 Largest Travel Companies in the World: The Global Businesses Shaping Modern Travel
The global travel industry is powered by a wide range of companies operating across airlines, hotels, online booking platforms, cruise lines, travel technology and tourism services.
Determining the “largest” travel companies in the world depends on the measurement used. Some companies lead by revenue, others by market value, number of customers, hotel rooms, destinations served or global influence.
The companies on this list represent some of the most significant players in international travel, based on their scale, market presence and role in connecting millions of travelers worldwide.
1. Booking Holdings
Booking Holdings is one of the world’s largest online travel companies.
The company operates several major travel platforms, including Booking.com, Priceline, Agoda, Kayak and OpenTable.
Its services include hotel reservations, flights, rental cars, restaurant reservations and travel-related technology.
The company’s global platform connects travelers with millions of accommodation options across countries and regions.
2. Expedia Group
Expedia Group is another major online travel company operating globally.
Its portfolio includes Expedia, Hotels.com, Vrbo and Travelocity.
The company provides consumers with tools to book accommodations, flights, vacation rentals, packages and travel experiences.
Expedia Group has played a major role in the growth of online travel booking.
3. Airbnb
Airbnb transformed the accommodation industry by creating a global marketplace for short-term stays.
The platform connects travelers with hosts offering homes, apartments, rooms and unique accommodations.
Airbnb has expanded beyond lodging by adding experiences and services designed around local tourism.
Its business model has influenced how many travelers approach accommodation choices worldwide.
4. Marriott International
Marriott International is one of the largest hotel companies in the world.
The company operates thousands of properties under brands including Marriott Hotels, Ritz-Carlton, Sheraton, Westin and St. Regis.
Marriott’s global presence covers luxury, premium and select-service hotels across many markets.
Its loyalty program, Marriott Bonvoy, connects millions of travelers with hotel benefits and rewards.
5. Hilton
Hilton is a major international hospitality company.
Its brands include Hilton Hotels & Resorts, Waldorf Astoria, Conrad, DoubleTree and Hampton.
The company operates hotels across numerous countries and serves both business and leisure travelers.
Hilton is also known for its Hilton Honors loyalty program.
6. Delta Air Lines
Delta Air Lines is one of the largest airlines in the world by passenger operations and revenue.
The U.S.-based carrier operates extensive domestic and international networks.
Delta serves millions of passengers annually and operates through major hubs including Atlanta, one of the world’s busiest airports.
7. American Airlines Group
American Airlines is one of the largest airline groups globally.
The company operates American Airlines and regional affiliates through an extensive network connecting destinations across North America and international markets.
American Airlines is a founding member of the oneworld Alliance, a global airline partnership.
8. United Airlines Holdings
United Airlines operates one of the world’s largest airline networks.
The airline serves domestic and international destinations and maintains major hubs across the United States.
United is also part of the Star Alliance network.
9. Southwest Airlines
Southwest Airlines is one of the largest domestic airlines in the United States.
The airline is known for its extensive U.S. network and point-to-point operating model.
Southwest has historically differentiated itself through customer-focused policies and a single-aircraft fleet strategy based primarily on Boeing 737 aircraft.
10. Lufthansa Group
Lufthansa Group is one of Europe’s largest aviation groups.
Its airlines include Lufthansa, Swiss International Air Lines, Austrian Airlines and Brussels Airlines.
The group operates extensive European and international services.
11. Emirates Group
Emirates Group is one of the most influential aviation companies in the Middle East.
Its airline, Emirates, operates a large international network from Dubai.
The company has helped establish Dubai International Airport as a major global aviation hub.
12. Qatar Airways Group
Qatar Airways is a major international airline based in Doha.
The carrier operates flights across multiple continents and is known for its long-haul network.
Qatar Airways is a member of the oneworld airline alliance.
13. MSC Cruises
MSC Cruises is one of the world’s largest cruise companies.
The company operates cruise ships serving destinations across Europe, the Caribbean, North America and other regions.
Cruise tourism has become an important part of the global travel economy.
14. Carnival Corporation
Carnival Corporation is one of the world’s largest cruise operators.
Its brands include Carnival Cruise Line, Princess Cruises, Holland America Line and others.
The company serves millions of cruise passengers annually across global markets.
15. Royal Caribbean Group
Royal Caribbean Group operates some of the world’s largest cruise brands.
Its portfolio includes Royal Caribbean International, Celebrity Cruises and Silversea.
The company is known for large ships featuring extensive onboard entertainment and facilities.
16. Trip.com Group
Trip.com Group is one of Asia’s largest online travel companies.
Its platforms include Trip.com, Ctrip, Skyscanner and Qunar.
The company provides booking services for flights, hotels, transportation and travel experiences.
17. TUI Group
TUI Group is one of the world’s largest tourism companies.
The company operates hotels, airlines, cruise services and holiday packages.
TUI has a strong presence in European leisure travel markets.
18. Accor
Accor is one of the largest hospitality companies headquartered in Europe.
Its brands include Sofitel, Novotel, ibis, Fairmont and Raffles.
Accor operates hotels across multiple market segments, from economy to luxury.
19. Hyatt Hotels Corporation
Hyatt Hotels Corporation is a global hospitality company operating hotels and resorts worldwide.
Its brands include Park Hyatt, Grand Hyatt, Hyatt Regency and Andaz.
The company focuses on leisure, business and luxury hospitality markets.
20. Uber
Uber has become an important part of modern travel through its global mobility platform.
Although not a traditional travel company, Uber supports tourism by providing transportation options in many cities worldwide.
Its services are frequently used by travelers for airport transfers and local transportation.
How These Companies Shape Global Travel
The largest travel companies influence nearly every part of the tourism experience.
Online travel platforms determine how travelers search and book trips. Airlines connect destinations across continents. Hotels provide accommodation infrastructure. Cruise companies create specialized vacation experiences. Transportation platforms support movement within destinations.
Together, these companies form a global travel ecosystem that supports millions of jobs and contributes significantly to economies worldwide.
Major Trends Affecting Travel Companies
Digital booking growth
Travelers increasingly use online platforms and mobile apps to research and manage trips.
Demand for personalized experiences
Consumers are seeking customized itineraries, unique accommodations and local activities.
Sustainability focus
Travel companies are investing in more efficient operations and environmental initiatives as sustainability becomes a larger concern.
Expansion of international tourism
Growing middle-class populations and improved connectivity continue supporting travel demand in many regions.
Final Thoughts
The world’s largest travel companies are not limited to one sector. They include airlines, hotels, online platforms, cruise operators and technology businesses that together shape how people explore the world.
Their size and influence reflect the continuing importance of global travel, even as the industry adapts to changing consumer expectations, economic conditions and environmental challenges.
For travelers, these companies provide the infrastructure that makes modern tourism possible — from booking a hotel room to crossing continents by air.
