Question 1

What is the cheapest flight from Belfast to Washington, D.C. Dulles Intl Airport?

Accepted Answer

In the last 3 days, the lowest price for a flight from Belfast to Washington, D.C. Dulles Intl Airport was £388 for a one-way ticket and £671 for a return. <a href='/flight-routes/Belfast-BF1/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 2

Which airports will I be using when flying from Belfast to Washington, D.C.?

Accepted Answer

There are 2 airports in Belfast (Belfast Intl and Belfast City.) and only 1 airport in Washington, D.C. (Washington, D.C. Dulles Intl). The cheapest flights are generally found on the Belfast City Airport to Washington, D.C. Dulles Intl flight route. <a href='/flight-routes/Belfast-BF1/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 3

Which aircraft models fly most regularly from Belfast to Washington, D.C.?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 4

Which airline alliances offer flights from Belfast to Washington, D.C.?

Accepted Answer

oneworld, and SkyTeam are the airline alliances operating flights between Belfast and Washington, D.C., with SkyTeam being the most commonly used for this route.

Question 5

How does KAYAK find such low prices on flights from Belfast to Washington, D.C.?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Belfast to Washington, D.C.. <a href='/flight-routes/Belfast-BF1/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 6

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Belfast to Washington, D.C.?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Belfast is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/Belfast-BF1/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 7

What is the Hacker Fare option on flights from Belfast to Washington, D.C.?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington, D.C. with an airline and back to Belfast with another airline. <a href='/flight-routes/Belfast-BF1/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 8

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Belfast to Washington, D.C.?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Belfast up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Belfast-BF1/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 9

Which airlines provide the cheapest flights from Belfast to Washington, D.C.?

Accepted Answer

In the past 3 days, the cheapest return tickets from Belfast to Washington, D.C. were found on American Airlines (£494) and KLM (£517).

Question 10

Which airlines provide the cheapest flights from Belfast to Washington, D.C.?

Accepted Answer

In the past 3 days, the cheapest return tickets from Belfast to Washington, D.C. were found on American Airlines (£494) and KLM (£517).

IAD

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Cheap Flights from Belfast to Washington, D.C.

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Everything you should know

KAYAK's insights & trends for Belfast to Dulles Intl flights

Get data-powered insights and trends into flights from Belfast to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Belfast to Washington, D.C.?

In the past 3 days, the cheapest return tickets from Belfast to Washington, D.C. were found on American Airlines (£494) and KLM (£517).

Good to know - Cheap tickets from Belfast to Washington, D.C.

When to book flights from Belfast to Dulles Intl

FAQs for booking Belfast to Washington, D.C. flights

What is the cheapest flight from Belfast to Washington, D.C. Dulles Intl Airport?

In the last 3 days, the lowest price for a flight from Belfast to Washington, D.C. Dulles Intl Airport was £388 for a one-way ticket and £671 for a return.

Which airports will I be using when flying from Belfast to Washington, D.C.?

There are 2 airports in Belfast (Belfast Intl and Belfast City.) and only 1 airport in Washington, D.C. (Washington, D.C. Dulles Intl). The cheapest flights are generally found on the Belfast City Airport to Washington, D.C. Dulles Intl flight route.

Which aircraft models fly most regularly from Belfast to Washington, D.C.?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Belfast to Washington, D.C.?

oneworld, and SkyTeam are the airline alliances operating flights between Belfast and Washington, D.C., with SkyTeam being the most commonly used for this route.

How does KAYAK find such low prices on flights from Belfast to Washington, D.C.?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Belfast to Washington, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Belfast to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Belfast is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from Belfast to Washington, D.C.?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington, D.C. with an airline and back to Belfast with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Belfast to Washington, D.C.?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Belfast up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Belfast to Dulles Intl

Information on your arrival and departure airports

Cabin class types available on flights to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car hire

Find direct flights to and from Belfast and Dulles Intl

Flights to other popular destinations

Flights from domestic origins to Dulles Intl

Choose which airport to fly into in Washington, D.C.

Find deals for your return flight