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Cheap flights from Washington, D.C. Dulles Intl Airport to Belfast from £317

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 23/6. 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
21 May — 28 May1
1 adult
Tue 21/5
Tue 28/5

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 16 May 2024.

Popular in

June

Cheapest in

February

Average price

£654

Round-trip from

£49
High demand for flights, 27% potential price rise
Search Deals
Best time to find cheap flights, 28% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From Washington, D.C. Dulles Intl to Belfast
Search Deals

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 £663. You can even find prices in September for less than £663, as users have found deals to Belfast from as low as £535. 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)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Belfast as you normally would.

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 844,321 searches. Data last updated 16 May 2024.
Check out some of the cheapest American Airlines flights we've come across from Washington, D.C. to Belfast. Make sure to double check the flight details before booking.
Fri 20/922:45IAD - BHD
1 stop14h 25mAmerican Airlines
Sat 28/906:50BHD - IAD
1 stop18h 40mAmerican Airlines
Deal found 16/5£450
Tue 8/1017:31IAD - BHD
2 stops14h 24mAmerican Airlines
Sun 13/1006:50BHD - IAD
1 stop18h 45mAmerican Airlines
Deal found 16/5£453
Fri 20/922:45IAD - BHD
1 stop11h 40mAmerican Airlines
Sat 28/906:50BHD - IAD
2 stops21h 57mAmerican Airlines
Deal found 16/5£458
Tue 11/620:15IAD - BHD
2 stops14h 05mAmerican Airlines
Tue 18/613:40BHD - IAD
1 stop11h 50mAmerican Airlines
Deal found 16/5£508
Fri 14/617:55IAD - BHD
1 stop10h 00mAmerican Airlines
Sun 16/613:10BHD - IAD
1 stop12h 25mAmerican Airlines
Deal found 16/5£2,199
Sat 15/622:45IAD - BHD
1 stop11h 20mAmerican Airlines
Wed 19/613:40BHD - IAD
1 stop11h 50mAmerican Airlines
Deal found 16/5£2,314
Thu 13/617:55IAD - BHD
1 stop12h 05mAmerican Airlines
Sat 22/609:40BHD - IAD
1 stop15h 50mAmerican Airlines
Deal found 16/5£5,563

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 844,321 searches. Data last updated 16 May 2024.
Have a look at some of the cheapest available Delta flights departing from Washington, D.C. and landing in Belfast. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Mon 21/1019:50IAD - BHD
2 stops16h 00mDelta
Mon 28/1017:20BHD - IAD
2 stops33h 23mDelta
Deal found 16/5£507
Mon 2/917:25IAD - BHD
1 stop18h 25mDelta
Tue 17/1217:20BHD - IAD
2 stops34h 23mDelta
Deal found 16/5£532
Mon 2/912:33IAD - BHD
2 stops23h 17mDelta
Tue 17/1217:20BHD - IAD
2 stops34h 23mDelta
Deal found 16/5£535
Sun 13/1015:00IAD - BHD
2 stops20h 50mDelta
Sat 19/1017:20BHD - IAD
1 stop27h 15mDelta
Deal found 16/5£542
Tue 11/617:50IAD - BHD
1 stop18h 00mDelta
Sun 16/617:20BHD - IAD
1 stop27h 15mDelta
Deal found 16/5£551
Tue 11/617:03IAD - BHD
2 stops18h 47mDelta
Tue 18/617:20BHD - IAD
2 stops28h 07mDelta
Deal found 16/5£562
Wed 14/812:33IAD - BHD
2 stops23h 17mDelta
Sun 18/817:20BHD - IAD
2 stops30h 33mDelta
Deal found 16/5£569
Wed 14/817:50IAD - BHD
1 stop18h 00mDelta
Sun 18/817:20BHD - IAD
1 stop27h 15mDelta
Deal found 16/5£603
Thu 23/517:25IAD - BHD
1 stop18h 25mDelta
Mon 27/517:20BHD - IAD
1 stop27h 40mDelta
Deal found 15/5£881

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 844,321 searches. Prices were last updated on 16 May 2024.
Scroll through some of the best deals on flights from Washington, D.C. to Belfast in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 11/620:15IAD - BHD
2 stops14h 05mAmerican Airlines
Tue 18/613:40BHD - IAD
1 stop11h 50mAmerican Airlines
Deal found 16/5£508
Wed 12/613:13IAD - BHD
2 stops26h 32mBritish Airways
Wed 19/619:40BHD - IAD
2 stops26h 33mBritish Airways
Deal found 16/5£544
Tue 11/617:50IAD - BHD
1 stop18h 00mDelta
Mon 17/617:20BHD - IAD
1 stop27h 40mDelta
Deal found 16/5£551
Tue 11/617:50IAD - BHD
1 stop18h 00mKLM
Wed 19/617:20BHD - IAD
2 stops27h 39mKLM
Deal found 16/5£559
Tue 11/617:03IAD - BHD
2 stops18h 47mDelta
Tue 18/617:20BHD - IAD
2 stops28h 07mDelta
Deal found 16/5£562
Sat 1/620:12IAD - BHD
2 stops37h 23mBritish Airways
Sun 9/606:50BHD - IAD
1 stop18h 45mBritish Airways
Deal found 16/5£585
Wed 12/617:50IAD - BHD
1 stop18h 00mKLM
Tue 18/617:20BHD - IAD
2 stops27h 38mKLM
Deal found 16/5£666
Tue 11/617:55IAD - BHD
1 stop10h 10mBritish Airways
Thu 20/614:10BHD - IAD
1 stop11h 20mBritish Airways
Deal found 16/5£667
Sat 1/620:12IAD - BHD
2 stops37h 23mBritish Airways
Sat 8/617:30BHD - IAD
2 stops32h 05mBritish Airways
Deal found 16/5£679

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 844,321 searches. Data last updated 16 May 2024.
Scroll through some of the best deals on flights from Washington, D.C. to Belfast in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Fri 20/922:45IAD - BHD
1 stop14h 25mAmerican Airlines
Sat 28/906:50BHD - IAD
1 stop18h 40mAmerican Airlines
Deal found 16/5£450
Tue 8/1017:31IAD - BHD
2 stops14h 24mAmerican Airlines
Sun 13/1006:50BHD - IAD
1 stop18h 45mAmerican Airlines
Deal found 16/5£453
Fri 20/922:45IAD - BHD
1 stop11h 40mAmerican Airlines
Sat 28/906:50BHD - IAD
2 stops21h 57mAmerican Airlines
Deal found 16/5£458
Sun 13/1017:55IAD - BHD
1 stop10h 10mBritish Airways
Sat 19/1019:50BHD - IAD
1 stop29h 45mBritish Airways
Deal found 16/5£469
Mon 2/917:55IAD - BHD
1 stop10h 00mBritish Airways
Tue 17/1208:30BHD - IAD
1 stop16h 30mBritish Airways
Deal found 16/5£478
Mon 21/1017:55IAD - BHD
1 stop10h 00mBritish Airways
Mon 28/1019:30BHD - IAD
2 stops28h 00mBritish Airways
Deal found 16/5£480
Tue 17/920:15IAD - BHD
2 stops14h 05mBritish Airways
Fri 27/911:50BHD - IAD
1 stop13h 40mBritish Airways
Deal found 16/5£503
Mon 21/1019:50IAD - BHD
2 stops16h 00mDelta
Mon 28/1017:20BHD - IAD
2 stops33h 23mDelta
Deal found 16/5£507
Tue 11/620:15IAD - BHD
2 stops14h 05mAmerican Airlines
Tue 18/613:40BHD - IAD
1 stop11h 50mAmerican Airlines
Deal found 16/5£508

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 844,321 searches. Data last updated 16 May 2024.
Have a look at some of the last-minute flights available departing from Washington, D.C. to Belfast. Users should examine the flight details to ensure there are no surprises.
Wed 29/506:30IAD - BFS
2 stops24h 10mMultiple Airlines
Wed 5/621:40BFS - IAD
2 stops25h 00mMultiple Airlines
Deal found 15/5£621
Wed 29/506:30IAD - BFS
2 stops24h 10mMultiple Airlines
Wed 5/620:30BFS - IAD
3 stops26h 10mMultiple Airlines
Deal found 15/5£668
Fri 24/522:45IAD - BHD
1 stop14h 25mBritish Airways
Mon 27/513:50BHD - IAD
1 stop11h 40mBritish Airways
Deal found 15/5£837
Fri 24/522:45IAD - BHD
1 stop14h 25mBritish Airways
Mon 27/506:35BHD - IAD
2 stops22h 26mBritish Airways
Deal found 15/5£866
Thu 23/517:25IAD - BHD
1 stop18h 25mDelta
Mon 27/517:20BHD - IAD
1 stop27h 40mDelta
Deal found 15/5£881
Thu 23/516:59IAD - BHD
2 stops18h 51mDelta
Mon 27/517:20BHD - IAD
1 stop27h 40mDelta
Deal found 15/5£885
Thu 23/516:59IAD - BHD
2 stops18h 51mDelta
Mon 27/517:20BHD - IAD
2 stops29h 01mDelta
Deal found 15/5£893
Thu 23/508:19IAD - BFS
3 stops22h 51mMultiple Airlines
Mon 27/520:55BFS - IAD
3 stops30h 15mMultiple Airlines
Deal found 15/5£948
Thu 23/512:35IAD - BFS
2 stops18h 35mMultiple Airlines
Mon 27/520:55BFS - IAD
3 stops30h 15mMultiple Airlines
Deal found 15/5£999

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 844,321 searches. Data last updated 16 May 2024.
Users in need of a one-way flight from Washington, D.C. to Belfast can choose from these deals. Those seeking round-trip flights from Washington, D.C. to Belfast should utilise the search form at the top of the page.
Sun 23/620:45IAD - BFS
2 stops35h 20mMultiple Airlines
Deal found 15/5£317
Sun 23/620:45IAD - BHD
2 stops18h 30mMultiple Airlines
Deal found 15/5£319
Tue 2/717:00IAD - BHD
2 stops18h 50mDelta
Deal found 16/5£342
Tue 2/722:45IAD - BHD
1 stop32h 05mMultiple Airlines
Deal found 16/5£368
Sun 23/622:50IAD - BHD
1 stop29h 05mBritish Airways
Deal found 15/5£386
Sun 23/618:50IAD - BHD
3 stops44h 55mMultiple Airlines
Deal found 15/5£389
Sun 23/623:15IAD - BFS
3 stops42h 10mMultiple Airlines
Deal found 15/5£469

Find flights from Dulles Intl to Belfast within your budget

Customise 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 844,321 searches. Data last updated 16 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£450 - £745

Route

Depart

Return

Price

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 20/9

1 stop14h 25m

Belfast City

Sat 28/9

1 stop18h 40m

£450

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 8/10

2 stops14h 24m

Belfast City

Sun 13/10

1 stop18h 45m

£453

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 20/9

1 stop11h 40m

Belfast City

Sat 28/9

2 stops21h 57m

£458

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 13/10

1 stop10h 10m

Belfast City

Sat 19/10

1 stop29h 45m

£469

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 2/9

1 stop10h 00m

Belfast City

Tue 17/12

1 stop16h 30m

£478

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 21/10

2 stops16h 00m

Belfast City

Mon 28/10

2 stops33h 23m

£507

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 11/6

1 stop18h 00m

Belfast City

Wed 19/6

2 stops27h 39m

£559

Washington, D.C. Dulles IntlBelfast Intl

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Fri 20/9

2 stops14h 15m

Belfast Intl

Sat 28/9

2 stops26h 50m

£588

Washington, D.C. Dulles IntlBelfast City

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 9/6

2 stops15h 50m

Belfast City

Sun 16/6

1 stop14h 50m

£745

Flights are sorted by cheapest first

Deals found on 16/5

No data available for this route at this time. Please check back soon.

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 £370 while a return flight costs £523. Price data was last updated on 12 May 2024.

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belfast (average of £62). Flying from Washington, D.C. Dulles Intl Airport to Belfast in August is currently the most expensive (average of £81). 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

£50

February

£55

March

£54

April

£54

May

£57

June

£58

July

£63

August

£64

September

£56

October

£49

November

£54

December

£56

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

5 - 16 °C

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 16 May 2024.
To help decide which airline to fly from Washington, D.C. to Belfast, see what other customers have to say about American Airlines, Delta and British Airways. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
10,673 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

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
10,673 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

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.

KLM
7.9
Good
1,568 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

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
14,514 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

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
7,659 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

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
6,829 reviews
Delta
8.0
Very Good
10,673 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

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 £500 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Belfast for under £500. The cheapest flight booked recently is on American Airlines for just £450, but on average you can expect to pay £515.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Belfast for under £700?

    There are currently 13+ open flights from Washington, D.C. Dulles Intl Airport to Belfast within the next 7 days for less than £700.

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

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Belfast is American Airlines. Our recent data shows that you can find tickets from as low as £450 on this airline. Additional options worth looking into are British Airways and Delta, starting at £469 and £507 round-trip. Users have found that American Airlines is 37% cheaper than the other options available to this destination.

  • What does IAD to BFS mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Washington, D.C. Dulles Intl Airport to Belfast Intl Airport flight would often be abbreviated as a IAD to BFS flight. 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), Londonderry Eglinton Airport (LDY), Glasgow Prestwick Airport (PIK), 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 holiday 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 16/5.

See more FAQs

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Washington, D.C. Dulles Intl Airport to Birmingham flights

Search flights from Dulles Intl to Belfast by cabin class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

Deals for Dulles Intl to Belfast flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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?

Need flexible booking options for your flight to Belfast from Dulles Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Dulles Intl to Belfast on Cheapflights with our Price Alert feature and get notified when better prices are available.

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