Cheap flights from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport from £540
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport departing on 20/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
According to our data, Monday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Belfast Intl Airport. The lowest ticket price found for a Monday departure recently was £0. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Friday is the most expensive day to depart from Belfast Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £696.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the afternoon when flights can be purchased for as low as £0. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the morning when prices are around £808.
When to book flights from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport
Cheap Belfast Intl Airport to Washington, D.C. Dulles Intl Airport (BFS to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport
How far is Belfast Intl to Washington, D.C. Dulles Intl by plane?
The straight-line distance from Belfast Intl to Washington, D.C. Dulles Intl is 3375.6 mi. A reasonable flight in good conditions will take 17h 44m.
When did momondo last update prices for flights from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport?
As of April 2025, there is 1 operator available to choose from for flights from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport is British Airways (100% of total bookings).
Best airlines flying from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £689 | Free Cancellation | Rating 6.6 6,771 reviews |
Travelling to a place near Washington, D.C.?
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Why should I use momondo to find a flight deal from Belfast to Washington, D.C.?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Belfast to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Belfast to Washington, D.C. flights to just show those with flexible booking policies.
How can momondo help me find flights from Belfast to Washington, D.C.?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Belfast.
I’m not ready to book a flight from Belfast to Washington, D.C. right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Belfast to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.