Porto OPO to Stockholm STO flight with Ryanair

Austrian Airlines is the flag carrier of Austria and a member of the Lufthansa Group, offering flights across Europe and to long-haul destinations in Asia, North America, and beyond. Operating primarily from Vienna International Airport, Austrian combines efficiency with warm hospitality. Economy Class passengers enjoy comfort, onboard entertainment, and meals, while Business Class offers spacious seating, fine dining inspired by Austrian cuisine, and lounge access. With a reputation for quality service and reliable connections, Austrian Airlines is a trusted choice for travelers worldwide

Swiss is Switzerland’s leading airline, offering Economy and Business Class fares for your next trip.

KLM Royal Dutch Airlines is the flag carrier of the Netherlands and the world’s oldest airline still operating under its original name. Based in Amsterdam Schiphol Airport, KLM connects travelers to destinations across Europe, Asia, Africa, and the Americas. Its modern fleet offers comfort for every type of journey—from affordable Economy fares with in-flight entertainment and WiFi to Premium Comfort and Business Class with extra space, dining, and lounge access. With a reputation for excellent service and global connectivity, KLM is a trusted choice for international travel.

Iberia is the national airline of Spain and a key member of the International Airlines Group (IAG), operating flights throughout Europe and to major global destinations. Its wide range of services makes travel easy and flexible—Economy passengers enjoy affordable fares with comfort, while Business Class travelers can experience premium seating, exclusive lounges, and enhanced dining. From short domestic flights to intercontinental journeys, Iberia combines Spanish hospitality with modern amenities, making it a popular choice worldwide.

Norwegian Air International (NAI) was an Irish airline and a fully integrated subsidiary of Norwegian Air Shuttle, operating under its corporate identity. Headquartered at Dublin Airport, NAI operated flights to destinations across Europe and the Middle East from various European bases. Between 2017 and 2019, it also offered services from Europe to the United States and Canada. NAI received its operating license and air operator's certificate from Ireland in February 2014, allowing it to leverage European Union airline freedoms. By April 2021, its aircraft and operations were gradually transferred to its Swedish sister airline, Norwegian Air Sweden, and its parent company.

Eurowings is a German low-cost airline that offers affordable flights across Europe and to select long-haul destinations. As part of the Lufthansa Group, Eurowings connects major European cities as well as holiday destinations with a modern fleet. Passengers can choose from different fare options ranging from basic economy with great value to more flexible tickets that include extra comfort, priority boarding, and additional services. With onboard amenities such as snacks, drinks, and WiFi available on many routes, Eurowings is a convenient choice for budget-conscious travelers.

Vueling is a Spanish low-cost airline and one of the largest carriers in Europe, offering affordable flights across Spain, Europe, North Africa, and the Middle East. Operating mainly from its hub in Barcelona, Vueling provides a modern fleet with flexible fare options to suit different types of travelers. Passengers can choose from basic low-cost tickets to fares that include extras such as seat selection, checked baggage, and priority boarding. With WiFi and onboard services available on many routes, Vueling is a popular choice for budget-conscious travelers.

Ryanair is one of Europe’s largest and most popular low-cost airlines, headquartered in Ireland. It offers affordable flights to destinations across the continent, often operating to smaller or secondary airports outside major cities to keep fares low. All Ryanair tickets include an allowance for one small personal bag, with additional fees for cabin baggage and checked luggage. Known for its extensive network and budget-friendly fares, Ryanair makes it easy to travel quickly and affordably to popular European destinations.