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Cheap flights from Cardiff to Washington, D.C. from $903

This is the cheapest round-trip 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 9/6. 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 round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
9:50 am - 11:13 pmCWL  Cardiff Wales-BWI Baltimore/Washington
18h 23m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
KLM Logo
5:40 pm - 9:15 amBWI  Baltimore/Washington-CWL Cardiff Wales
34h 35m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
$903KLM
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
9:45 am - 9:23 pmCWL  Cardiff Wales-BWI Baltimore/Washington
16h 38m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Multiple Airlines Logo
12:30 pm - 9:15 amBWI  Baltimore/Washington-CWL Cardiff Wales
15h 45m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
$932Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
KLM Logo
9:45 am - 9:23 pmCWL  Cardiff Wales-BWI Baltimore/Washington
16h 38m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
KLM Logo
1:55 pm - 9:15 amBWI  Baltimore/Washington-CWL Cardiff Wales
14h 20m2 stops Boston Logan Intl Amsterdam Schiphol
$934KLM
Sat, Sep 5 - Mon, Sep 21
Delta Logo
9:45 am - 11:01 pmCWL  Cardiff Wales-BWI Baltimore/Washington
18h 16m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
6:35 pm - 4:45 pmBWI  Baltimore/Washington-CWL Cardiff Wales
17h 10m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
$1,323Delta
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
5:35 pm - 7:25 pmCWL  Cardiff Wales-BWI Baltimore/Washington
30h 50m3 stops Amsterdam Schiphol Kastrup Copenhagen Reykjavik Keflavik Intl
Multiple Airlines Logo
8:30 pm - 9:15 amBWI  Baltimore/Washington-CWL Cardiff Wales
31h 45m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Amsterdam Schiphol
$1,720Multiple Airlines
Sat, Sep 5 - Mon, Sep 21
Multiple Airlines Logo
9:50 am - 10:15 pmCWL  Cardiff Wales-BWI Baltimore/Washington
17h 25m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
Multiple Airlines Logo
11:20 pm - 9:15 amBWI  Baltimore/Washington-CWL Cardiff Wales
28h 55m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Amsterdam Schiphol
$2,171Multiple Airlines
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
5:15 pm - 7:25 pmCWL  Cardiff Wales-BWI Baltimore/Washington
31h 10m3 stops Amsterdam Schiphol Munich Franz Josef Strauss Reykjavik Keflavik Intl
Multiple Airlines Logo
11:20 pm - 9:15 amBWI  Baltimore/Washington-CWL Cardiff Wales
28h 55m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Amsterdam Schiphol
$2,190Multiple Airlines
Sun, Sep 6 - Sun, Sep 13

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Customize 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 832,500 searches. Data last updated August 12, 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 round-trip

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sun 9/6

9:50 am-11:13 pm

2 stops18h 23m

Baltimore/Washington

Sun 9/13

5:40 pm-9:15 am

2 stops34h 35m

$903

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sat 9/5

9:45 am-9:23 pm

2 stops16h 38m

Baltimore/Washington

Sat 9/12

12:30 pm-9:15 am

2 stops15h 45m

$932
Quickest round-trip

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sat 9/5

9:45 am-9:23 pm

2 stops16h 38m

Baltimore/Washington

Mon 9/21

1:55 pm-9:15 am

2 stops14h 20m

$934

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Thu 9/24

9:45 am-11:01 pm

2 stops18h 16m

Baltimore/Washington

Thu 10/1

6:35 pm-4:45 pm

2 stops17h 10m

$1,323

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sat 9/5

5:35 pm-7:25 pm

3 stops30h 50m

Baltimore/Washington

Mon 9/21

8:30 pm-9:15 am

3 stops31h 45m

$1,720

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sun 9/6

9:50 am-10:15 pm

2 stops17h 25m

Baltimore/Washington

Sun 9/13

11:20 pm-9:15 am

3 stops28h 55m

$2,171

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Sun 9/6

5:15 pm-7:25 pm

3 stops31h 10m

Baltimore/Washington

Sun 9/13

11:20 pm-9:15 am

3 stops28h 55m

$2,190
Cheapest one-way
Quickest one-way

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Fri 9/18

12:00 pm-5:15 pm

2 stops34h 15m

$1,209

CardiffBaltimore

CWL Cardiff Wales - BWI Baltimore/Washington

CWLBWI

Cardiff Wales

Fri 9/18

12:00 pm-5:15 pm

2 stops34h 15m

$4,195

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 round-trip 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.
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Frequently asked questions about flying from Cardiff to Baltimore

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

    Baltimore/Washington is 3503.1 mi away from Cardiff Wales. Typically, this will take 16h 38m by plane in normal conditions.

  • 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 refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Baltimore/Washington Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Baltimore/Washington Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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

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

All flight searches from Cardiff to Baltimore on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Cardiff to Baltimore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Cardiff to Baltimore flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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