HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Dulles Intl (IAD) to Belfast from $327

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — BHD
May 15 — May 221
From?
To?
Wed 5/15
Wed 5/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from Dulles Intl to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 10, 2024.

Popular in

October

Cheapest in

February

Round-trip from

$640

One-way from

$327
High demand for flights, 24% potential price rise
Search Deals
Best time to find cheap flights, 26% potential price drop
Search Deals
From Washington, D.C. Dulles Intl to Belfast
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Belfast
Search Deals

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

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 25% when planning your travel around this day of the week.

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

The best pricing can be found in the month of September. Prices to Belfast from Washington, D.C. Dulles Intl Airport average $840. You can even find prices in September for less than $840, as users have found deals to Belfast from as low as $678. The month of December appears to be one of the more expensive times to travel to Belfast from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 40%.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Belfast (IAD - BFS)?

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Belfast 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 13% on airfare.

Cheap British Airways flights from Dulles Intl to Belfast

Explore cheap flight options specifically provided by British Airways for the route between Dulles Intl and Belfast. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Check out some of the cheapest British Airways flights we've come across from Washington, D.C. to Belfast. Make sure to double check the flight details before booking.
Sun 10/1310:50 pmIAD - BHD
1 stop13h 45mBritish Airways
Sat 10/196:55 pmBHD - IAD
1 stop30h 40mBritish Airways
Deal found 5/9$595
Sun 10/135:31 pmIAD - BHD
2 stops14h 29mBritish Airways
Sat 10/197:50 pmBHD - IAD
1 stop29h 45mBritish Airways
Deal found 5/9$602
Tue 8/2710:45 pmIAD - BHD
1 stop13h 40mBritish Airways
Wed 9/119:50 amBHD - IAD
1 stop10h 45mBritish Airways
Deal found 5/9$606
Fri 8/168:13 pmIAD - BHD
2 stops16h 57mBritish Airways
Sun 8/2511:20 amBHD - IAD
1 stop14h 15mBritish Airways
Deal found 5/9$672
Sun 6/98:15 pmIAD - BHD
2 stops38h 20mBritish Airways
Sun 6/166:05 pmBHD - IAD
1 stop31h 25mBritish Airways
Deal found 5/9$741

Cheap American Airlines flights from Dulles Intl to Belfast

Explore cheap flight options specifically provided by American Airlines for the route between Dulles Intl and Belfast. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Browse through some of the cheapest American Airlines flights traveling from Washington, D.C. to Belfast. Check back soon if you're not seeing flights that suit your needs.
Tue 8/2710:45 pmIAD - BHD
1 stop11h 35mAmerican Airlines
Wed 9/116:50 amBHD - IAD
2 stops21h 57mAmerican Airlines
Deal found 5/9$615
Fri 8/1610:45 pmIAD - BHD
1 stop14h 25mAmerican Airlines
Sun 8/256:50 amBHD - IAD
1 stop18h 45mAmerican Airlines
Deal found 5/9$641

Cheap Dulles Intl to Belfast flights in May & June 2024

Find cheap flight options from Dulles Intl to Belfast specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Prices were last updated on May 10, 2024.
These are some of the best deals we've found on flights to Belfast in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Fri 5/105:55 pmIAD - BHD
1 stop10h 00mBritish Airways
Mon 5/1312:20 pmBHD - IAD
1 stop13h 10mBritish Airways
Deal found 5/9$634
Fri 5/108:45 pmIAD - BHD
2 stops19h 00mBritish Airways
Mon 5/131:50 pmBHD - IAD
1 stop11h 40mBritish Airways
Deal found 5/9$652
Sun 6/98:15 pmIAD - BHD
2 stops38h 20mBritish Airways
Sun 6/166:05 pmBHD - IAD
1 stop31h 25mBritish Airways
Deal found 5/9$741
Fri 5/108:45 pmIAD - BHD
2 stops19h 00mAmerican Airlines
Mon 5/1312:20 pmBHD - IAD
2 stops27h 55mAmerican Airlines
Deal found 5/9$787
Wed 6/126:50 pmIAD - BFS
2 stops21h 10mMultiple Airlines
Wed 6/199:40 pmBFS - IAD
2 stops25h 00mMultiple Airlines
Deal found 5/9$899
Mon 5/205:25 pmIAD - BHD
1 stop18h 25mDelta
Fri 5/245:20 pmBHD - IAD
1 stop27h 40mDelta
Deal found 5/9$917
Sun 6/96:50 pmIAD - BFS
2 stops23h 40mMultiple Airlines
Sun 6/167:00 amBFS - IAD
2 stops15h 40mMultiple Airlines
Deal found 5/9$919
Mon 5/206:04 pmIAD - BHD
2 stops17h 46mDelta
Fri 5/245:20 pmBHD - IAD
1 stop27h 40mDelta
Deal found 5/9$922
Mon 5/2012:35 pmIAD - BHD
2 stops23h 15mDelta
Fri 5/245:20 pmBHD - IAD
2 stops29h 01mDelta
Deal found 5/9$932

Dulles Intl to Belfast 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Belfast in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
These are some of the best deals we've found on flights to Belfast in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Sun 10/1310:50 pmIAD - BHD
1 stop13h 45mBritish Airways
Sat 10/196:55 pmBHD - IAD
1 stop30h 40mBritish Airways
Deal found 5/9$595
Sun 10/135:31 pmIAD - BHD
2 stops14h 29mBritish Airways
Sat 10/197:50 pmBHD - IAD
1 stop29h 45mBritish Airways
Deal found 5/9$602
Tue 8/2710:45 pmIAD - BHD
1 stop13h 40mBritish Airways
Wed 9/119:50 amBHD - IAD
1 stop10h 45mBritish Airways
Deal found 5/9$606
Tue 8/2710:45 pmIAD - BHD
1 stop11h 35mAmerican Airlines
Wed 9/116:50 amBHD - IAD
2 stops21h 57mAmerican Airlines
Deal found 5/9$615
Fri 5/105:55 pmIAD - BHD
1 stop10h 00mBritish Airways
Mon 5/1312:20 pmBHD - IAD
1 stop13h 10mBritish Airways
Deal found 5/9$634
Fri 8/1610:45 pmIAD - BHD
1 stop14h 25mAmerican Airlines
Sun 8/256:50 amBHD - IAD
1 stop18h 45mAmerican Airlines
Deal found 5/9$641
Fri 5/108:45 pmIAD - BHD
2 stops19h 00mBritish Airways
Mon 5/131:50 pmBHD - IAD
1 stop11h 40mBritish Airways
Deal found 5/9$652
Fri 8/168:13 pmIAD - BHD
2 stops16h 57mBritish Airways
Sun 8/2511:20 amBHD - IAD
1 stop14h 15mBritish Airways
Deal found 5/9$672
Tue 8/2712:33 pmIAD - BHD
2 stops23h 17mDelta
Wed 9/115:20 pmBHD - IAD
2 stops34h 23mDelta
Deal found 5/9$718

Dulles Intl to Belfast flights leaving soon

Find last-minute flight options from Dulles Intl to Belfast for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Consider one of these great deals we found on last-minute flights from Washington, D.C. to Belfast. Users should examine the flight details to ensure there are no surprises.
Mon 5/205:25 pmIAD - BHD
1 stop18h 25mDelta
Fri 5/245:20 pmBHD - IAD
1 stop27h 40mDelta
Deal found 5/9$917
Mon 5/206:04 pmIAD - BHD
2 stops17h 46mDelta
Fri 5/245:20 pmBHD - IAD
1 stop27h 40mDelta
Deal found 5/9$922
Mon 5/2012:35 pmIAD - BHD
2 stops23h 15mDelta
Fri 5/245:20 pmBHD - IAD
2 stops29h 01mDelta
Deal found 5/9$932
Mon 5/206:00 pmIAD - BFS
2 stops16h 40mMultiple Airlines
Fri 5/248:50 pmBFS - IAD
2 stops25h 50mMultiple Airlines
Deal found 5/9$1,015
Mon 5/206:00 pmIAD - BHD
2 stops14h 40mMultiple Airlines
Fri 5/246:35 amBHD - IAD
3 stops40h 05mMultiple Airlines
Deal found 5/9$1,157

One-way flights to Belfast from Dulles Intl

Search for one-way flight options from Dulles Intl to Belfast. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Users traveling one-way from Washington, D.C. to Belfast can select one of these great deals. Users needing a return flight from Washington, D.C. to Belfast should utilize the search form above.
Wed 10/238:30 pmIAD - BHD
2 stops18h 30mMultiple Airlines
Deal found 5/9$327
Wed 10/238:30 pmIAD - BFS
2 stops20h 30mMultiple Airlines
Deal found 5/9$327
Wed 10/238:30 pmIAD - BFS
3 stops15h 10mMultiple Airlines
Deal found 5/9$390
Wed 10/233:20 pmIAD - BHD
1 stop18h 30mLufthansa
Deal found 5/9$403
Wed 10/238:30 pmIAD - BHD
3 stops16h 10mMultiple Airlines
Deal found 5/9$438

Find flights from Dulles Intl to Belfast within your budget

Customize your flight search to find flights from Dulles Intl to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$595 - $997

Route

Depart

Return

Price

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/13

1 stop13h 45m

Belfast City

Sat 10/19

1 stop30h 40m

$595

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/13

2 stops14h 29m

Belfast City

Sat 10/19

1 stop29h 45m

$602

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 8/27

1 stop13h 40m

Belfast City

Wed 9/11

1 stop10h 45m

$606

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 8/27

1 stop11h 35m

Belfast City

Wed 9/11

2 stops21h 57m

$615

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 8/16

1 stop14h 25m

Belfast City

Sun 8/25

1 stop18h 45m

$641

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 8/27

2 stops23h 17m

Belfast City

Wed 9/11

2 stops34h 23m

$718

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 8/19

1 stop18h 25m

Belfast City

Thu 8/22

1 stop27h 15m

$734

Washington, D.C. Dulles IntlBelfast Intl

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Fri 8/16

2 stops13h 45m

Belfast Intl

Sun 8/25

3 stops24h 30m

$896

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 6/1

2 stops35h 27m

Belfast City

Sun 6/9

2 stops38h 10m

$997

Flights are sorted by cheapest first

Deals found on 5/9

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Belfast. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Belfast flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Belfast by month

Plan your trip from Dulles Intl to Belfast by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to Belfast is currently $377 while a round-trip flight costs $712. Price data was last updated on May 5, 2024.

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belfast (average of $641). Flying from Washington, D.C. Dulles Intl Airport to Belfast in June is currently the most expensive (average of $1,181). 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.

January

$685

February

$641

March

$690

April

$685

May

$781

June

$1,181

July

$991

August

$867

September

$769

October

$684

November

$658

December

$733

Temperature and rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average temperature and rainfall totals by month.

BFS

Temperature

41 - 60.8 °F

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated May 10, 2024.
Peruse reviews from past customers who have flown with British Airways, American Airlines and Delta from Washington, D.C. to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,768 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,768 reviews
Delta
8.0
Very good
10,768 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,665 reviews
Delta
8.0
Very good
10,768 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Lufthansa
7.0
Good
7,688 reviews
Delta
8.0
Very good
10,768 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

British Airways
6.8
Okay
6,867 reviews
Delta
8.0
Very good
10,768 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.4

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

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

  • Can I find flights from Washington, D.C. Dulles Intl Airport to Belfast for under $600 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Belfast for under $600. The cheapest flight booked recently is on British Airways for just $595, but on average you can expect to pay $767.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Belfast for under $1,000?

    There are currently 5+ open flights from Washington, D.C. Dulles Intl Airport to Belfast within the next 7 days for less than $1,000.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Belfast round-trip?

    Flying on British Airways is currently your cheapest option to Belfast, with prices starting at $595. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $615 and $718, respectively. British Airways is priced at 33% lower than the current average price of a flight leaving 3 months from now.

  • What does IAD to BFS mean?

    This is defined as Washington, D.C. Dulles Intl Airport (IAD) and Belfast Intl Airport (BFS). Codes like Belfast Intl Airport are often used to just call airports uniquely. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Belfast City Airport (BHD), Glasgow Prestwick Airport (PIK), Londonderry Eglinton Airport (LDY), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL).

  • Can I find deals for flights from Dulles Intl to Belfast that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to Belfast flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to Belfast with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Belfast flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

    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.

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

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

  • Can I find deals for flights from Dulles Intl to Belfast that allow pets onboard?

    Many airlines flying from Dulles Intl to Belfast offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to Belfast?

    Yes, you can often find last-minute deals on Dulles Intl to Belfast flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to Belfast flight deals updated?

    The Washington, D.C. Dulles Intl Airport to Belfast flight deals you see on this page were last updated on 5/9.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Belfast
See prices for flight routes from nearby airports that may be better suited for you.

Dulles Intl to Belfast Intl flights
Dulles Intl to Belfast City flights
Baltimore to Belfast City flights
Reagan-National to Belfast Intl flights
Reagan-National to Belfast City flights

Top 2 airlines flying from Dulles Intl to Belfast

Discover the top 2 airlines that operate flights from Dulles Intl to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$626Average$880FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest$626Average$754FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Houston to London flights
Seattle to Tokyo flights
Austin to Phoenix flights
New York to Israel flights
Chicago to Cleveland flights
Las Vegas to Phoenix flights
USA to Ghana flights
Boston to Charlotte flights
New York to Boston flights
San Francisco to Sydney flights
Dallas to Houston flights
Washington, D.C. Dulles Intl Airport to Scottsbluff flights

Search flights from Dulles Intl to Belfast by cabin class

Find flights from Dulles Intl to Belfast, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Ordu/Giresun
Flights to Hakodate
Flights to Gazipasa
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Bourgas
Flights to Kalamata
Flights to Menorca/Mahon
Flights to Mytilene
Flights to Mason City
Flights to Pau Pyrénées
Flights to Neiva La Marguita
Flights to Cortez Montezuma County
Flights to Biarritz Parme
Flights to Parikia Paros
Flights to Ohrid
Flights to Edremit/Korfez
Flights to Naxos
Flights to Dalaman
Flights to Lublin
Flights to Miyakojima Hirara
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Constanţa Mihail Kogalniceanu

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to Belfast?

Cheapflights makes it easy to find Dulles Intl to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Belfast?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dulles Intl to Belfast.

Can Cheapflights find flights from Dulles Intl to Belfast with no change fees?

Yes! Cheapflights helps users easily find flights from Dulles Intl to Belfast with no change fees.

Can Cheapflights notify me if prices for flights from Dulles Intl to Belfast become cheaper?

Yes, Cheapflights offers price alerts on Dulles Intl to Belfast flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines