Cheap flights from Washington to Belfast from $278
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Belfast departing on 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Washington to Belfast
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
American Airlines flights from State of Washington to Belfast
Our best American Airlines deals on State of Washington to Belfast flight tickets
British Airways flights from State of Washington to Belfast
Our best British Airways deals on State of Washington to Belfast flight tickets
See travel insights to Belfast from
How to get the cheapest flight ticket from State of Washington to Belfast
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 Belfast?
The cheapest day to depart from State of Washington to Belfast is on a Tuesday when prices can be found for as low as $724. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Belfast for around $1,208.
What is the cheapest time of day to depart on your flight to Belfast?
Our data shows that the cheapest State of Washington to Belfast flights are usually those with departure times at noon. Our users have found flights to Belfast at noon for as low as $794. Try not to purchase tickets in the afternoon because they tend to be around $1,000. Of course, these prices can vary depending on the time of year and what airport you fly to.
Cheap State of Washington to Belfast flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from State of Washington to Belfast
When did momondo last update prices for flights from Washington to Belfast?
Prices for flights from Washington to Belfast are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Belfast?
The number of operators available for flights from Washington to Belfast is 2 as of April 2025.
How old do you have to be to fly from Washington to Belfast?
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 Washington to Belfast.
What documentation or ID do you need to fly to Belfast?
The necessary travel and health documents for your Belfast trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from State of Washington to Belfast
Compare and see reviews for airlines that fly from State of Washington to Belfast with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $544 | Free Cancellation | Rating 6.6 6,771 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington to Belfast?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Belfast. momondo saves you time and could save you money on your trip.
Can I find flights from Washington to Belfast with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington to Belfast flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington to Belfast?
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 Belfast from Washington.
I’m not ready to book a flight from Washington to Belfast right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Washington and alert you when they change.