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Cheap flights from Baltimore to Belfast from $415

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Belfast departing on 12/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Baltimore to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 pm - 9:40 pmBWI-BFS
21h 00m2 stops
Multiple Airlines Logo
6:30 am - 6:40 pmBFS-BWI
17h 10m2 stops
$773Multiple Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 14
Multiple Airlines Logo
7:40 pm - 3:25 pmBWI-BFS
14h 45m2 stops
Multiple Airlines Logo
8:10 am - 6:40 pmBFS-BWI
15h 30m2 stops
$874Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Multiple Airlines Logo
7:40 pm - 5:40 pmBWI-BFS
17h 00m2 stops
Multiple Airlines Logo
6:00 am - 7:40 pmBFS-BWI
17h 40m3 stops
$1,206Multiple Airlines
Find Deal
Sat, Mar 7 - Thu, Mar 12
Multiple Airlines Logo
8:30 pm - 4:15 pmBWI-BFS
14h 45m2 stops
Multiple Airlines Logo
6:00 am - 10:30 pmBFS-BWI
21h 30m3 stops
$1,259Multiple Airlines
Find Deal
Fri, Apr 24 - Sat, May 2
Multiple Airlines Logo
7:40 pm - 9:40 pmBWI-BFS
21h 00m2 stops
Multiple Airlines Logo
6:30 am - 7:40 pmBFS-BWI
17h 10m2 stops
$1,370Multiple Airlines
Find Deal
Sat, Mar 7 - Thu, Mar 12

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to Belfast Intl Airport 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, momondo users made 832,500 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Baltimore to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Mon 12/1

7:40 pm-9:40 pm

2 stops21h 00m

Belfast Intl

Sun 12/14

6:30 am-6:40 pm

2 stops17h 10m

$773

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Sat 12/6

7:40 pm-3:25 pm

2 stops14h 45m

Belfast Intl

Sat 12/13

8:10 am-6:40 pm

2 stops15h 30m

$874

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Sat 3/7

7:40 pm-5:40 pm

2 stops17h 00m

Belfast Intl

Thu 3/12

6:00 am-7:40 pm

3 stops17h 40m

$1,206

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Fri 4/24

8:30 pm-4:15 pm

2 stops14h 45m

Belfast Intl

Sat 5/2

6:00 am-10:30 pm

3 stops21h 30m

$1,259

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Sat 3/7

7:40 pm-9:40 pm

2 stops21h 00m

Belfast Intl

Thu 3/12

6:30 am-7:40 pm

2 stops17h 10m

$1,370

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Mon 12/15

10:40 am-7:55 am

2 stops40h 15m

$415

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Mon 12/15

11:48 am-7:55 am

3 stops39h 07m

$443

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Belfast from

How to get the cheapest flight ticket from Baltimore 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 $680. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Baltimore to Belfast Intl Airport for around $884.

What is the cheapest time of day to depart on your flight to Belfast Intl Airport?

In the evening is the cheapest time of day to fly from Baltimore to Belfast Intl Airport when you can find flight prices for as low as $683. Flying to Belfast Intl Airport in the evening 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 $762.

When to book flights from Baltimore to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to Belfast Intl Airport (BWI to BFS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Belfast Intl Airport

Direct flights

None
There are no direct flights from Baltimore to Belfast Intl Airport. There are no popular flight routes from Baltimore to Belfast Intl Airport.
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  • How far is Baltimore/Washington to Belfast Intl by plane?

    The straight-line distance from Baltimore/Washington to Belfast Intl is 3326.8 mi. Typically, this will take 14h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Belfast Intl Airport?

    Prices for flights from Baltimore/Washington Airport to Belfast Intl Airport were last updated today.

  • How old do you have to be to fly from Baltimore/Washington Airport to Belfast Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The necessary travel and health documents for your Belfast Intl Airport 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.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Armagh
Cookstown
Newry
Dungannon

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Baltimore to Belfast. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Baltimore to Belfast with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Belfast from Baltimore with this policy.

How can momondo help me find flights from Baltimore to Belfast?

momondo helps you find the best flight between Baltimore and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Baltimore to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Baltimore to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

An easier way to manage your Belfast Intl Airport trip

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