Cheap flights from Dulles Intl (IAD) to Belfast from $574

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. 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
Jun 2 — Jun 91

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 28, 2024.

Popular in

June

Cheapest in

October

Average price

$829

Round-trip from

$640
High demand for flights, 32% potential price rise
Best time to find cheap flights, 28% potential price drop
Average for round-trip flights in May 2024
From Washington, D.C. Dulles Intl to Belfast

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 $832. You can even find prices in September for less than $832, as users have found deals to Belfast from as low as $608. 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 42%.

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 12% on airfare.

Cheap Delta flights from Dulles Intl to Belfast

Explore cheap flight options specifically provided by Delta 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 2,740,132 searches. Data last updated May 28, 2024.
Check out some of the cheapest Delta flights we've come across from Washington, D.C. to Belfast. Make sure to double check the flight details before booking.
Sat 10/1212:30 pmIAD - BHD
2 stops23h 20mDelta
Sun 10/205:20 pmBHD - IAD
2 stops30h 23mDelta
Deal found 5/27$645
Fri 7/55:25 pmIAD - BHD
1 stop18h 25mDelta
Fri 9/65:20 pmBHD - IAD
2 stops29h 04mDelta
Deal found 5/27$676
Fri 7/57:20 pmIAD - BHD
2 stops16h 30mDelta
Fri 9/65:20 pmBHD - IAD
2 stops29h 04mDelta
Deal found 5/27$680
Sun 10/131:15 pmIAD - BHD
2 stops22h 35mDelta
Sat 10/195:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 5/27$689
Sun 8/115:25 pmIAD - BHD
1 stop18h 25mDelta
Sun 8/185:20 pmBHD - IAD
2 stops27h 37mDelta
Deal found 5/27$711
Sun 8/1112:04 pmIAD - BHD
2 stops23h 46mDelta
Sun 8/185:20 pmBHD - IAD
2 stops27h 37mDelta
Deal found 5/27$715
Sun 8/115:25 pmIAD - BHD
1 stop18h 25mDelta
Sun 8/185:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 5/27$758
Thu 7/45:25 pmIAD - BHD
1 stop18h 25mDelta
Sun 7/75:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 5/27$1,020
Thu 7/45:00 pmIAD - BHD
2 stops18h 50mDelta
Sun 7/75:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 5/27$1,025

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 2,740,132 searches. Data last updated May 28, 2024.
Browse through some of the cheapest British Airways flights traveling from Washington, D.C. to Belfast. Check back soon if you're not seeing flights that suit your needs.
Wed 10/25:55 pmIAD - BHD
1 stop14h 30mBritish Airways
Wed 10/96:50 amBHD - IAD
1 stop13h 45mBritish Airways
Deal found 5/27$574
Wed 10/25:55 pmIAD - BHD
1 stop14h 30mBritish Airways
Wed 10/97:40 pmBHD - IAD
2 stops28h 35mBritish Airways
Deal found 5/26$598
Sat 10/125:31 pmIAD - BHD
2 stops13h 49mBritish Airways
Sun 10/201:10 pmBHD - IAD
1 stop12h 25mBritish Airways
Deal found 5/27$605
Tue 9/175:44 pmIAD - BHD
2 stops16h 36mBritish Airways
Fri 9/2710:10 amBHD - IAD
1 stop15h 20mBritish Airways
Deal found 5/27$640
Tue 9/1710:45 pmIAD - BHD
1 stop11h 35mBritish Airways
Sat 9/216:55 pmBHD - IAD
1 stop25h 40mBritish Airways
Deal found 5/27$821
Fri 7/510:45 pmIAD - BHD
1 stop14h 25mBritish Airways
Fri 9/66:35 amBHD - IAD
1 stop14h 00mBritish Airways
Deal found 5/27$859
Sun 8/185:55 pmIAD - BHD
1 stop10h 10mBritish Airways
Wed 8/211:40 pmBHD - IAD
1 stop11h 50mBritish Airways
Deal found 5/27$874
Tue 9/1710:45 pmIAD - BHD
1 stop13h 40mBritish Airways
Sat 9/219:40 amBHD - IAD
2 stops14h 30mBritish Airways
Deal found 5/27$957
Fri 7/128:10 pmIAD - BHD
2 stops39h 40mBritish Airways
Sun 7/217:40 pmBHD - IAD
1 stop29h 50mBritish Airways
Deal found 5/28$1,015

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 2,740,132 searches. Prices were last updated on May 28, 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.
Wed 5/295:55 pmIAD - BHD
1 stop9h 55mBritish Airways
Sun 6/27:35 pmBHD - IAD
1 stop29h 55mBritish Airways
Deal found 5/27$727
Wed 5/2910:45 pmIAD - BHD
1 stop11h 50mBritish Airways
Sun 6/26:50 amBHD - IAD
2 stops22h 11mBritish Airways
Deal found 5/27$738
Wed 5/293:27 pmIAD - BHD
2 stops16h 58mAmerican Airlines
Sun 6/26:50 amBHD - IAD
2 stops22h 11mAmerican Airlines
Deal found 5/27$913
Tue 6/41:00 pmIAD - BHD
3 stops19h 40mMultiple Airlines
Thu 6/66:55 amBHD - IAD
2 stops18h 20mMultiple Airlines
Deal found 5/27$1,238
Fri 5/3110:45 pmIAD - BHD
1 stop11h 40mBritish Airways
Thu 6/69:35 amBHD - IAD
1 stop11h 05mBritish Airways
Deal found 5/27$1,264
Fri 5/315:25 pmIAD - BHD
1 stop18h 25mDelta
Tue 6/45:20 pmBHD - IAD
1 stop27h 40mDelta
Deal found 5/27$1,269
Fri 5/316:11 pmIAD - BHD
2 stops17h 39mDelta
Tue 6/45:20 pmBHD - IAD
1 stop27h 40mDelta
Deal found 5/27$1,274
Sun 6/25:25 pmIAD - BHD
1 stop18h 25mDelta
Sat 6/85:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 5/27$1,279
Fri 5/3110:45 pmIAD - BHD
1 stop30h 25mBritish Airways
Sat 6/86:50 amBHD - IAD
1 stop18h 40mBritish Airways
Deal found 5/27$1,301

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 2,740,132 searches. Data last updated May 28, 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.
Wed 10/25:55 pmIAD - BHD
1 stop14h 30mBritish Airways
Wed 10/96:50 amBHD - IAD
1 stop13h 45mBritish Airways
Deal found 5/27$574
Wed 10/25:55 pmIAD - BHD
1 stop14h 30mBritish Airways
Wed 10/97:40 pmBHD - IAD
2 stops28h 35mBritish Airways
Deal found 5/26$598
Sat 10/125:31 pmIAD - BHD
2 stops13h 49mBritish Airways
Sun 10/201:10 pmBHD - IAD
1 stop12h 25mBritish Airways
Deal found 5/27$605
Tue 8/2710:45 pmIAD - BHD
1 stop13h 40mAmerican Airlines
Wed 9/116:50 amBHD - IAD
1 stop13h 45mAmerican Airlines
Deal found 5/27$609
Tue 8/2710:45 pmIAD - BHD
1 stop13h 40mAmerican Airlines
Wed 9/119:50 amBHD - IAD
2 stops17h 20mAmerican Airlines
Deal found 5/27$617
Tue 8/2710:45 pmIAD - BHD
1 stop11h 35mAmerican Airlines
Wed 9/116:50 amBHD - IAD
2 stops20h 20mAmerican Airlines
Deal found 5/28$618
Tue 9/175:44 pmIAD - BHD
2 stops16h 36mBritish Airways
Fri 9/2710:10 amBHD - IAD
1 stop15h 20mBritish Airways
Deal found 5/27$640
Sat 10/1212:30 pmIAD - BHD
2 stops23h 20mDelta
Sun 10/205:20 pmBHD - IAD
2 stops30h 23mDelta
Deal found 5/27$645
Fri 7/55:25 pmIAD - BHD
1 stop18h 25mDelta
Fri 9/65:20 pmBHD - IAD
2 stops29h 04mDelta
Deal found 5/27$676

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 2,740,132 searches. Data last updated May 28, 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.
Tue 6/41:00 pmIAD - BHD
3 stops19h 40mMultiple Airlines
Thu 6/66:55 amBHD - IAD
2 stops18h 20mMultiple Airlines
Deal found 5/27$1,238
Sun 6/25:25 pmIAD - BHD
1 stop18h 25mDelta
Sat 6/85:20 pmBHD - IAD
1 stop27h 15mDelta
Deal found 5/27$1,279
Tue 6/410:30 pmIAD - BHD
2 stops16h 30mMultiple Airlines
Thu 6/66:55 amBHD - IAD
2 stops18h 20mMultiple Airlines
Deal found 5/27$1,309
Tue 6/41:00 pmIAD - BHD
3 stops19h 40mMultiple Airlines
Thu 6/66:00 pmBHD - IAD
3 stops33h 10mMultiple Airlines
Deal found 5/27$1,353
Mon 6/35:55 pmIAD - BHD
1 stop10h 00mBritish Airways
Wed 6/59:50 amBHD - IAD
1 stop10h 50mBritish Airways
Deal found 5/27$1,862
Sun 6/210:50 pmIAD - BHD
1 stop10h 45mBritish Airways
Wed 6/59:50 amBHD - IAD
1 stop10h 50mBritish Airways
Deal found 5/27$1,898
Mon 6/35:55 pmIAD - BHD
1 stop10h 00mBritish Airways
Tue 6/44:20 pmBHD - IAD
1 stop28h 20mBritish Airways
Deal found 5/27$1,926
Tue 6/45:55 pmIAD - BHD
1 stop10h 10mBritish Airways
Wed 6/51:40 pmBHD - IAD
1 stop11h 50mBritish Airways
Deal found 5/27$1,944
Sun 6/24:00 pmIAD - BHD
2 stops15h 10mMultiple Airlines
Thu 6/66:50 pmBHD - IAD
2 stops25h 25mMultiple Airlines
Deal found 5/27$1,970

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 2,740,132 searches. Data last updated May 28, 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.
Tue 7/28:40 pmIAD - BHD
2 stops19h 10mAer Lingus
Deal found 5/27$669
Tue 7/211:15 pmIAD - BHD
3 stops57h 25mMultiple Airlines
Deal found 5/27$907
Tue 7/25:50 pmIAD - BHD
1 stop18h 00mDelta
Deal found 5/27$917

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 2,740,132 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$574 - $1,272

Route

Depart

Return

Price

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 10/2

1 stop14h 30m

Belfast City

Wed 10/9

1 stop13h 45m

$574

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 10/2

1 stop14h 30m

Belfast City

Wed 10/9

2 stops28h 35m

$598

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 stop13h 45m

$609

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

2 stops17h 20m

$617

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 10/12

2 stops23h 20m

Belfast City

Sun 10/20

2 stops30h 23m

$645

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 10/2

2 stops14h 50m

Belfast City

Wed 10/9

2 stops25h 13m

$780

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 10/2

1 stop12h 55m

Belfast City

Wed 10/9

2 stops32h 10m

$808

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 9/17

2 stops15h 40m

Belfast City

Sat 9/21

2 stops27h 40m

$1,003

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 7/4

2 stops17h 07m

Belfast City

Sun 7/7

2 stops27h 50m

$1,272

Flights are sorted by cheapest first

Deals found on 5/27

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 26, 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

Best time to book a flight from Dulles Intl to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 28, 2024.
Peruse reviews from past customers who have flown with Delta, British Airways and American Airlines 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.
8.0
Very good
10,476 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

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.

8.0
Very good
10,476 reviews
8.0
Very good
10,476 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

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.

7.9
Good
1,528 reviews
8.0
Very good
10,476 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

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.

7.3
Good
14,316 reviews
8.0
Very good
10,476 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

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.

7.2
Good
1,309 reviews
8.0
Very good
10,476 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

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.

7.1
Good
2,742 reviews
8.0
Very good
10,476 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

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 $574, but on average you can expect to pay $719.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Belfast for under $1,300?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Belfast within the next 7 days for less than $1,300.

  • 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 $574. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $609 and $645, 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 5/28.

  • When is the best time to book a flight from Washington, D.C. Dulles Intl Airport to Belfast?

    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.

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.

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 2,740,132 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$598Average$746FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$618Average$879FlexibilityNo cancel feeOn-time70%
Search British Airways 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.

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.