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Cheap flights from Washington, D.C. Dulles Intl Airport to San Juan from $400

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to San Juan departing on 3/15. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 5:21 pm
IAD
-
CPX
11h 21m
2 stops
United Airlines Logo
10:48 am - 12:32 am
CPX
-
IAD
13h 44m
2 stops
$1,558United Airlines
Sun, Jul 5 - Fri, Jul 10
United Airlines Logo
8:34 am - 4:13 pm
IAD
-
CPX
7h 39m
1 stop
United Airlines Logo
10:30 am - 11:59 pm
CPX
-
IAD
13h 29m
2 stops
$1,633United Airlines
Mon, Apr 20 - Fri, Apr 24
United Airlines Logo
6:00 am - 4:13 pm
IAD
-
CPX
10h 13m
2 stops
United Airlines Logo
10:30 am - 11:59 pm
CPX
-
IAD
13h 29m
2 stops
$1,639United Airlines
Mon, Apr 20 - Wed, Apr 29
United Airlines Logo
8:34 am - 4:13 pm
IAD
-
CPX
7h 39m
1 stop
United Airlines Logo
10:30 am - 11:29 am
CPX
-
IAD
24h 59m
2 stops
$1,682United Airlines
Thu, Apr 2 - Mon, Apr 6
United Airlines Logo
10:05 pm - 4:13 pm
IAD
-
CPX
42h 08m
2 stops
United Airlines Logo
10:30 am - 8:56 pm
CPX
-
IAD
34h 26m
2 stops
$1,700United Airlines
Sat, Mar 28 - Sun, Apr 5
United Airlines Logo
8:30 am - 4:13 pm
IAD
-
CPX
31h 43m
2 stops
United Airlines Logo
10:30 am - 9:04 pm
CPX
-
IAD
10h 34m
2 stops
$1,708United Airlines
Wed, Apr 1 - Wed, Apr 8
United Airlines Logo
6:15 am - 5:21 pm
IAD
-
CPX
11h 06m
2 stops
United Airlines Logo
10:48 am - 2:07 pm
CPX
-
IAD
27h 19m
3 stops
$1,719United Airlines
Sun, Jul 5 - Wed, Jul 15
United Airlines Logo
8:34 am - 4:13 pm
IAD
-
CPX
7h 39m
1 stop
United Airlines Logo
10:30 am - 9:04 pm
CPX
-
IAD
10h 34m
2 stops
$1,727United Airlines
Sat, Apr 11 - Wed, Apr 15
United Airlines Logo
6:30 am - 5:21 pm
IAD
-
CPX
10h 51m
2 stops
United Airlines Logo
10:48 am - 12:47 am
CPX
-
IAD
37h 59m
3 stops
$1,737United Airlines
Mon, Jul 6 - Tue, Jul 14
United Airlines Logo
6:00 am - 4:13 pm
IAD
-
CPX
10h 13m
2 stops
United Airlines Logo
10:30 am - 11:29 am
CPX
-
IAD
24h 59m
2 stops
$1,851United Airlines
Tue, Mar 31 - Mon, Apr 6

United Airlines flights from Washington, D.C. Dulles Intl Airport to Culebra

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Culebra flight tickets
United Airlines
Jul 5
IAD6:00 amWashington, D.C. Dulles Intl
11h 21m
2 stops
CPX5:21 pmCulebra
Jul 10
CPX10:48 amCulebra
13h 44m
2 stops
IAD12:32 amWashington, D.C. Dulles Intl
$1,558
United Airlines
Apr 20
IAD8:34 amWashington, D.C. Dulles Intl
7h 39m
1 stop
CPX4:13 pmCulebra
Apr 28
CPX10:30 amCulebra
10h 34m
2 stops
IAD9:04 pmWashington, D.C. Dulles Intl
$1,633
United Airlines
Apr 20
IAD6:00 amWashington, D.C. Dulles Intl
10h 13m
2 stops
CPX4:13 pmCulebra
Apr 28
CPX10:30 amCulebra
10h 34m
2 stops
IAD9:04 pmWashington, D.C. Dulles Intl
$1,639

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Culebra 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 February 5, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Culebra that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Culebra

IAD - CPX

IADCPX

Washington, D.C. Dulles Intl

Sun 7/5

6:00 am-5:21 pm

2 stops11h 21m

Culebra

Fri 7/10

10:48 am-12:32 am

2 stops13h 44m

$1,558

Washington, D.C.Culebra

IAD - CPX

IADCPX

Washington, D.C. Dulles Intl

Mon 4/20

8:34 am-4:13 pm

1 stop7h 39m

Culebra

Fri 4/24

10:30 am-11:59 pm

2 stops13h 29m

$1,633

Washington, D.C.Culebra

IAD - CPX

IADCPX

Washington, D.C. Dulles Intl

Mon 4/20

6:00 am-4:13 pm

2 stops10h 13m

Culebra

Wed 4/29

10:30 am-11:59 pm

2 stops13h 29m

$1,639

Washington, D.C.Culebra

IAD - CPX

IADCPX

Washington, D.C. Dulles Intl

Thu 4/2

8:34 am-4:13 pm

1 stop7h 39m

Culebra

Mon 4/6

10:30 am-11:29 am

2 stops24h 59m

$1,682

Washington, D.C.Culebra

IAD - CPX

IADCPX

Washington, D.C. Dulles Intl

Sat 3/28

10:05 pm-4:13 pm

2 stops42h 08m

Culebra

Sun 4/5

10:30 am-8:56 pm

2 stops34h 26m

$1,700

Washington, D.C.Culebra

IAD - CPX

IADCPX

Washington, D.C. Dulles Intl

Wed 4/1

8:30 am-4:13 pm

2 stops31h 43m

Culebra

Wed 4/8

10:30 am-9:04 pm

2 stops10h 34m

$1,708

Washington, D.C.Culebra

IAD - CPX

IADCPX

Washington, D.C. Dulles Intl

Sun 7/5

6:15 am-5:21 pm

2 stops11h 06m

Culebra

Wed 7/15

10:48 am-2:07 pm

3 stops27h 19m

$1,719

Washington, D.C.Culebra

IAD - CPX

IADCPX

Washington, D.C. Dulles Intl

Sat 4/11

8:34 am-4:13 pm

1 stop7h 39m

Culebra

Wed 4/15

10:30 am-9:04 pm

2 stops10h 34m

$1,727

Washington, D.C.Culebra

IAD - CPX

IADCPX

Washington, D.C. Dulles Intl

Mon 7/6

6:30 am-5:21 pm

2 stops10h 51m

Culebra

Tue 7/14

10:48 am-12:47 am

3 stops37h 59m

$1,737

Washington, D.C.Culebra

IAD - CPX

IADCPX

Washington, D.C. Dulles Intl

Tue 3/31

6:00 am-4:13 pm

2 stops10h 13m

Culebra

Mon 4/6

10:30 am-11:29 am

2 stops24h 59m

$1,851

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to San Juan from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Culebra

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 Washington, D.C. Dulles Intl to Culebra?

United Airlines is the most popular carrier operating from Washington, D.C. Dulles Intl to Culebra

What airlines fly to Culebra?

United Airlines, Frontier and Delta are the top three most popular airlines that fly to Culebra from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Culebra. Keep in mind that there are 6 different airlines that fly to Culebra on a routine basis, so you have a few additional options to choose from.

When to book flights from Washington, D.C. Dulles Intl Airport to Culebra

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

Cheap Washington, D.C. Dulles Intl Airport to Culebra (IAD to CPX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Culebra

Fastest flight time

7h 39m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Culebra takes 7h 39m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Culebra. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Culebra.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Culebra by plane?

    Culebra is 1600.8 mi away from Washington, D.C. Dulles Intl. Flights usually cover this in 7h 39m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Culebra Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Culebra Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Culebra 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 Washington, D.C. Dulles Intl Airport to Culebra Airport.

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

    The necessary travel and health documents for your Culebra 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.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Culebra?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Culebra. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Culebra with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Culebra from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Culebra?

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 Culebra from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Culebra right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Culebra flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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