Cheap Flights from Washington, D.C. to Belfast
No deal from Washington, D.C. to Belfast has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Washington, D.C. to Belfast, the lowest round-trip fare we recorded was $877, in August. The typical fare was $909. August was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $945 on American and British Airways, seen Oct 28. It is an unverified observation and may have changed.
See every deal <a href="/from/washington-dc">from Washington, D.C.</a>, <a href="/to/belfast">to Belfast</a>, or the return direction <a href="/from/belfast/to/washington-dc">Belfast to Washington, D.C.</a>.
Latest price we saw: Washington, D.C. to Belfast
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Washington, D.C. (DCA) to Belfast (BHD) | $945 | 14.0¢ | Mar 14 – Mar 23 | American and British Airways | Oct 28 | Check price |
Price history: Washington, D.C. to Belfast
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $882 | $919 | 104 |
| Sep 2026 | $879 | $918 | 95 |
| Aug 2026 | $877 | $890 | 132 |
Frequently asked questions
How many flight deals from Washington, D.C. to Belfast are on Sparkflights right now?
There are 0 verified deals from Washington, D.C. to Belfast on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Washington, D.C. to Belfast?
The lowest fare we've recorded from Washington, D.C. to Belfast is $877, based on 331 price observations over 3 months.
How much does a flight from Washington, D.C. to Belfast cost?
The typical round-trip fare we observed from Washington, D.C. to Belfast is $909, against a recorded low of $877. These are observations, not quotes.
When is the cheapest month to fly Washington, D.C. to Belfast?
August was the cheapest month we observed from Washington, D.C. to Belfast and October the dearest, over 3 months of data.
What is the current price from Washington, D.C. to Belfast?
The most recent fare our sweep saw from Washington, D.C. to Belfast is $945, on Oct 28. It is an unverified observation rather than a verified deal, so check it before booking.