Cheap flights from Washington to Belfast from $782
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Belfast departing on 6/10. 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 last minute flights
See travel insights to Belfast from
How to get the cheapest flight ticket from State of Washington to Belfast 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 Belfast Intl Airport?
The cheapest day to depart on your flight to Belfast Intl Airport is on a Tuesday when prices can be found for as low as $724. This is often the case because there is less demand to fly during this day of the week. 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 Intl Airport for around $1,208.
What is the cheapest time of day to depart on your flight to Belfast Intl Airport?
At noon is the cheapest time of day to fly from State of Washington to Belfast Intl Airport when you can find flight prices for as low as $794. Flying to Belfast Intl Airport at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Belfast Intl Airport is in the afternoon when prices are around $1,000.
Cheap State of Washington to Belfast Intl Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from State of Washington to Belfast Intl Airport
When did momondo last update prices for flights from Washington to Belfast Intl Airport?
Prices for flights from Washington to Belfast Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Belfast Intl Airport?
As of May 2025, there are 2 operators available to choose from for flights from Washington to Belfast Intl Airport.
How old do you have to be to fly from Washington to Belfast 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 Washington to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The travel and health documents required for your trip to Belfast 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 Belfast Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from State of Washington to Belfast Intl Airport
Compare and see reviews for airlines that fly from State of Washington to Belfast Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $544 | Free Cancellation | Rating 6.6 6,870 reviews |
Traveling to a place near Belfast?
Book flights to Belfast if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington to Belfast?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Belfast. Millions of users trust and use momondo every year so you are in good hands.
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 for Washington to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Washington to Belfast right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Washington to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.