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Cheap flights from Cardiff to Washington, D.C. from £356

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Washington, D.C. departing on 31/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Cardiff to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
09:45 - 21:23CWL  Cardiff Wales-BWI Baltimore/Washington
16h 38m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
KLM Logo
13:55 - 09:15BWI  Baltimore/Washington-CWL Cardiff Wales
14h 20m2 stops Boston Logan Intl Amsterdam Schiphol
£667KLM
Sat, 5 Sep - Mon, 21 Sep
Air France Logo
17:15 - 17:27CWL  Cardiff Wales-BWI Baltimore/Washington
53h 12m2 stops Amsterdam Schiphol Boston Logan Intl
Air France Logo
17:40 - 16:45BWI  Baltimore/Washington-CWL Cardiff Wales
18h 05m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
£669Air France
Sun, 6 Sep - Sun, 13 Sep
KLM Logo
09:50 - 23:13CWL  Cardiff Wales-BWI Baltimore/Washington
18h 23m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
KLM Logo
17:40 - 09:15BWI  Baltimore/Washington-CWL Cardiff Wales
34h 35m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
£669KLM
Sun, 6 Sep - Sun, 13 Sep
Multiple Airlines Logo
09:45 - 21:23CWL  Cardiff Wales-BWI Baltimore/Washington
16h 38m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Multiple Airlines Logo
12:30 - 09:15BWI  Baltimore/Washington-CWL Cardiff Wales
15h 45m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
£690Multiple Airlines
Sat, 5 Sep - Sat, 12 Sep
KLM Logo
09:45 - 21:23CWL  Cardiff Wales-BWI Baltimore/Washington
16h 38m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
KLM Logo
13:55 - 09:15BWI  Baltimore/Washington-CWL Cardiff Wales
14h 20m2 stops Boston Logan Intl Amsterdam Schiphol
£692KLM
Sat, 5 Sep - Mon, 21 Sep
Delta Logo
09:45 - 23:01CWL  Cardiff Wales-BWI Baltimore/Washington
18h 16m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
18:35 - 16:45BWI  Baltimore/Washington-CWL Cardiff Wales
17h 10m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
£980Delta
Thu, 24 Sep - Thu, 1 Oct
Multiple Airlines Logo
17:35 - 19:25CWL  Cardiff Wales-BWI Baltimore/Washington
30h 50m3 stops Amsterdam Schiphol Kastrup Copenhagen Reykjavik Keflavik Intl
Multiple Airlines Logo
20:30 - 09:15BWI  Baltimore/Washington-CWL Cardiff Wales
31h 45m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Amsterdam Schiphol
£1,273Multiple Airlines
Sat, 5 Sep - Mon, 21 Sep
Multiple Airlines Logo
17:35 - 19:25CWL  Cardiff Wales-BWI Baltimore/Washington
30h 50m3 stops Amsterdam Schiphol Kastrup Copenhagen Reykjavik Keflavik Intl
Multiple Airlines Logo
20:30 - 09:15BWI  Baltimore/Washington-CWL Cardiff Wales
31h 45m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Amsterdam Schiphol
£1,304Multiple Airlines
Sat, 5 Sep - Mon, 21 Sep
Multiple Airlines Logo
09:50 - 22:15CWL  Cardiff Wales-BWI Baltimore/Washington
17h 25m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
Multiple Airlines Logo
23:20 - 09:15BWI  Baltimore/Washington-CWL Cardiff Wales
28h 55m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Amsterdam Schiphol
£1,607Multiple Airlines
Sun, 6 Sep - Sun, 13 Sep
Multiple Airlines Logo
17:15 - 19:25CWL  Cardiff Wales-BWI Baltimore/Washington
31h 10m3 stops Amsterdam Schiphol Munich Franz Josef Strauss Reykjavik Keflavik Intl
Multiple Airlines Logo
23:20 - 09:15BWI  Baltimore/Washington-CWL Cardiff Wales
28h 55m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Amsterdam Schiphol
£1,621Multiple Airlines
Sun, 6 Sep - Sun, 13 Sep

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momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Baltimore 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 279,928 searches. Data last updated 12 August 2026.
Use the filters below to find and compare flights from Cardiff to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sat 5/9

09:45-21:23

2 stops16h 38m

Baltimore/Washington

Mon 21/9

13:55-09:15

2 stops14h 20m

£667

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sun 6/9

17:15-17:27

2 stops53h 12m

Baltimore/Washington

Sun 13/9

17:40-16:45

2 stops18h 05m

£669

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sun 6/9

09:50-23:13

2 stops18h 23m

Baltimore/Washington

Sun 13/9

17:40-09:15

2 stops34h 35m

£669

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sat 5/9

09:45-21:23

2 stops16h 38m

Baltimore/Washington

Sat 12/9

12:30-09:15

2 stops15h 45m

£690

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sat 5/9

09:45-21:23

2 stops16h 38m

Baltimore/Washington

Mon 21/9

13:55-09:15

2 stops14h 20m

£692

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Thu 24/9

09:45-23:01

2 stops18h 16m

Baltimore/Washington

Thu 1/10

18:35-16:45

2 stops17h 10m

£980

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sat 5/9

17:35-19:25

3 stops30h 50m

Baltimore/Washington

Mon 21/9

20:30-09:15

3 stops31h 45m

£1,273

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sat 5/9

17:35-19:25

3 stops30h 50m

Baltimore/Washington

Mon 21/9

20:30-09:15

3 stops31h 45m

£1,304

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sun 6/9

09:50-22:15

2 stops17h 25m

Baltimore/Washington

Sun 13/9

23:20-09:15

3 stops28h 55m

£1,607

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sun 6/9

17:15-19:25

3 stops31h 10m

Baltimore/Washington

Sun 13/9

23:20-09:15

3 stops28h 55m

£1,621

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Cardiff to Baltimore

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 airline that flies from Cardiff Wales to Baltimore/Washington?

British Airways is the most popular carrier operating from Cardiff Wales to Baltimore/Washington

When to book flights from Cardiff to Baltimore

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

Cheap Cardiff to Baltimore (CWL to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Baltimore

Fastest flight time

16h 38m

Direct flights

None
The fastest flight from Cardiff to Baltimore takes 16h 38m
There are no direct flights from Cardiff to Baltimore. There are no popular flight routes from Cardiff to Baltimore.
Search flight deals

Frequently asked questions about flying from Cardiff to Baltimore

  • How far is Cardiff Wales to Baltimore/Washington by plane?

    The straight-line distance from Cardiff Wales to Baltimore/Washington is 3503.1 mi. Flights usually cover this in 16h 38m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Cardiff Wales Airport to Baltimore/Washington Airport were last updated today.

  • How old do you have to be to fly from Cardiff Wales Airport to Baltimore/Washington 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 Cardiff Wales Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The required travel and health documents for your Baltimore/Washington Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Baltimore/Washington Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find Cardiff to Baltimore flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Baltimore that suits you.

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

Yes. All flights to Baltimore from Cardiff on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Baltimore from Cardiff.

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

Yes momondo offers price alerts on flights to Baltimore from Cardiff. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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