Q: How much does it cost for a return flight from Washington, D.C. to Belfast?

Airfare is below average for this route at the moment. Washington, D.C. to Belfast flights typically cost between £463 and £495 in September. The cheapest return flight price found within the last 3 days was £406 on Multiple Airlines (22 Sept-24 Sept).

Question 1

How much does it cost for a return flight from Washington, D.C. to Belfast?

Accepted Answer

Airfare is below average for this route at the moment.Washington, D.C. to Belfast flights typically cost between £463 and £495 in September.
The cheapest return flight price found within the last 3 days was £406 on Multiple Airlines (22 Sept-24 Sept).

Question 2

How long is the flight from Washington, D.C. to Belfast?

Accepted Answer

British Airways, American Airlines, and Delta can get you from Washington, D.C. to Belfast in just under 12h 10m. Your travel time can differ by up to 8h 40m. Airlines will cover a distance of 3390 mi. Both multi-stop and direct flights can be found to your destination and back.

Question 3

What is the cheapest month to book a flight from Washington, D.C. to Belfast?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Belfast (average of £67). Flying from Washington, D.C. to Belfast in July is currently the most expensive (average of £90). 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.

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Question 6

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

Accepted Answer

The most popular flight routes from Washington, D.C. to Belfast are Washington, D.C. Dulles Intl - Belfast Intl, Baltimore/Washington - Belfast Intl and Washington, D.C. Dulles Intl - Belfast City.

Question 7

What is the cheapest month to fly from Washington, D.C. to Belfast?

Accepted Answer

The best pricing can be found in the month of February. Prices to Belfast from Washington, D.C. average £560. You can even find prices in February for less than £560, as users have found deals to Belfast from as low as £449. The month of June appears to be one of the more expensive times to travel to Belfast from Washington, D.C.. Flying in the targeted month can save you up to 62%.

Question 8

What is the cheapest time of day to fly from WAS to BFS?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Belfast as you normally would.

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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.

Question 11

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

Accepted Answer

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.

Question 12

How does Cheapflights help users find flights from Washington, D.C. to Belfast?

Accepted Answer

Cheapflights makes it easy to find Washington, D.C. to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 13

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Belfast?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast from Washington, D.C..

Question 14

Can Cheapflights find flights from Washington, D.C. to Belfast with no change fees?

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from Washington, D.C. to Belfast, users can toggle the no change fees filter when performing a flight search.

Question 15

Can Cheapflights notify me if prices for flights from Washington, D.C. to Belfast become cheaper?

Accepted Answer

Yes, Cheapflights offers price alerts on Washington, D.C. to Belfast flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£406
One-way from	£323
Popular in	June
Cheapest in	February
Average price	£457

Cheap flights from Washington, D.C. to Belfast from £323

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Washington, D.C. to BelfastExplore the most affordable flight options available from Washington, D.C. to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Explore the most affordable flight options available from Washington, D.C. to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

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How long is the flight from Washington, D.C. to Belfast?

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

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

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

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

What is the cheapest month to book a flight from Washington, D.C. to Belfast?

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How does Cheapflights help users find flights from Washington, D.C. to Belfast?

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Cheapest flights from Washington, D.C. to Belfast
Explore the most affordable flight options available from Washington, D.C. to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.