Cheap flights from Seattle to National/Zaventem

Flights from Seattle to National/Zaventem are generally found to be more expensive on Wednesday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to National/Zaventem.

Users have found that booking a flight from Seattle to National/Zaventem at least 61 days early can save you up to 35% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Seattle to National/Zaventem for as little as C$ 989 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 1,278 for flights departing within the next 3 days.

May can be a great time to fly to National/Zaventem from Seattle with a flight ticket averaging about C$ 896. Cheapflights users have found deals in the month of May for as cheap as C$ 669. The most expensive prices can be found in the month of December.

One of the essential ways to save on airfare from Seattle to National/Zaventem is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 54% on airfare.