What’s the cost of a flight from Belfast City to Seattle?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Belfast and Seattle.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Are there multiple airports in Belfast and Seattle?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Belfast: Only Belfast - City operates in this city.
• Airports in Seattle: 2 airports are available in Seattle - Boeing Field, Lake Union.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Find flights from Belfast City to Seattle that suit your schedule

Use Jetcost to sort and filter results based on your preferred flight time, number of stops, price range, or airline. View deals from the best airlines and travel agencies.

Other popular destinations

Interested in United States? These cities are also in demand: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Connecting flights can be cheaper but often mean longer layovers. You can easily select either direct or connecting flights with a single click using the filters.