Cheap flights from Washington, D.C. (WAS) to Belfast from $261

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Belfast (average of $641). Flying from Washington, D.C. to Belfast in June is currently the most expensive (average of $1,181). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

• Can I find flights from Washington, D.C. to Belfast for under $600 on Cheapflights?

  Yes, there are multiple flights from Washington, D.C. to Belfast for under $600. The cheapest flight booked recently is on British Airways for just $594, but on average you can expect to pay $627.

• Are there last-minute flights available from Washington, D.C. to Belfast for under $7,300?

  There are currently 7+ open flights from Washington, D.C. to Belfast within the next 7 days for less than $7,300.

• What are the cheapest airlines flying from Washington, D.C. to Belfast round-trip?

  Cheapflights users have booked flights from Washington, D.C. to Belfast round-trip from $594. Other airlines that can offer you cheap pricing are American Airlines, from $608, and Delta, from $632. You may be able to fly from Washington, D.C. to Belfast for 29% less than the average price by searching for these airlines.

• What are the cheapest airlines to fly from Washington, D.C. to Belfast one-way?

  $454 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Aer Lingus and Delta, with prices starting from $663 and $737, respectively.

• What are the most popular routes from Washington, D.C. to Belfast?

  Most travelers choose Baltimore/Washington - Belfast Intl, Washington, D.C. Reagan-National - Belfast Intl or Washington, D.C. Dulles Intl - Belfast Intl when deciding on the best route from Washington, D.C. to Belfast.

• What does IAD to BFS mean?

  IAD and BFS are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. IAD to BFS refers to a flight route from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY), Glasgow Prestwick Airport (PIK), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL).

• Can I find deals for flights from Washington, D.C. to Belfast that include extra baggage allowance?

  The amount of baggage you can bring on your Washington, D.C. to Belfast flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

• Can I find deals on flights from Washington, D.C. to Belfast with specific airlines?

  Yes, Cheapflights allows you to browse and filter Washington, D.C. to Belfast flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

• Can I find deals for flights from Washington, D.C. to Belfast that include hotel bookings?

  Yes. In addition to deals on Washington, D.C. to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

• How can I find direct flights from Washington, D.C. to Belfast?

  After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Belfast.

• Can I find deals for business class flights from Washington, D.C. to Belfast?

  Yes. Cheapflights offers flight deals from Washington, D.C. to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

• Can I find deals for flights from Washington, D.C. to Belfast that allow pets onboard?

  Many airlines flying from Washington, D.C. to Belfast offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

• Can I find deals on last-minute flights from Washington, D.C. to Belfast?

  Yes, you can often find last-minute deals on Washington, D.C. to Belfast flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

• How recently were the Washington, D.C. to Belfast flight deals updated?

  The Washington, D.C. to Belfast flight deals you see on this page were last updated on 5/12.