Cheap flights from Washington, D.C. to Belfast from $316

How far is Washington, D.C. to Belfast by plane?

Washington, D.C. and Belfast are 3373.5 mi apart from one another. In terms of flight time, this usually takes a little over 10h 20m.

When did momondo last update prices for flights from Washington, D.C. to Belfast?

Prices for flights from Washington, D.C. to Belfast refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Belfast?

There is 1 operator available for flights from Washington, D.C. to Belfast as of March 2026.

How old do you have to be to fly from Washington, D.C. to Belfast?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Belfast.

What documentation or ID do you need to fly to Belfast?

The necessary travel and health documents for your Belfast trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.