Question 1

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport (average of $657). Flying from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport in June is currently the most expensive (average of $1,189). 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 2

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

Accepted Answer

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Belfast Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 3

E

Accepted Answer

In terms of precipitation, rainfall in Belfast Intl Airport ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast Intl Airport when rainfall is around 2.0 in.

Question 4

E

Accepted Answer

If weather is an important factor for your trip to Belfast Intl Airport, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Question 5

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport?

Accepted Answer

Departing on a Monday is a good option for securing a great price. You can expect to save up to 11% when planning your travel around this day of the week.

Question 6

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

Accepted Answer

The best pricing can be found in the month of August. Prices to Belfast Intl Airport from Washington, D.C. Dulles Intl Airport average $754. You can even find prices in August for less than $754, as users have found deals to Belfast Intl Airport from as low as $585. The month of June appears to be one of the more expensive times to travel to Belfast Intl Airport from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 63%.

Question 7

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

Accepted Answer

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 4% on airfare.

Question 8

Can I find deals for flights from Dulles Intl to Belfast Intl that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Dulles Intl to Belfast Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 9

How can I find direct flights from Dulles Intl to Belfast Intl?

Accepted Answer

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

Question 10

Can I find deals for business class flights from Dulles Intl to Belfast Intl?

Accepted Answer

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

Round-trip from	$777 (Mytrip)
One-way from	$329 (Kiwi.com)
Popular in	December
Cheapest in	October
Average price	$1,072

$329+ Cheap flights from Dulles Intl (IAD) to Belfast Intl (BFS)

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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Dulles Intl to Belfast IntlExplore the most affordable flight options available from Dulles Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Dulles Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

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Best time to book a flight from Dulles Intl to Belfast Intl

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Find useful and relevant information for your journey from Dulles Intl to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Dulles Intl to Belfast Intl that include hotel bookings?

How can I find direct flights from Dulles Intl to Belfast Intl?

Can I find deals for business class flights from Dulles Intl to Belfast Intl?

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

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Cheapest flights from Dulles Intl to Belfast Intl
Explore the most affordable flight options available from Dulles Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.