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Port St. Lucie

$36+ Cheap flights from Washington, D.C. (WAS) to Port St. Lucie, FL

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — MCO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Find cheap flights from Washington, D.C. to Port St. Lucie with Cheapflights

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Cheapflights Tip: The best prices from Washington, D.C. to Port St. Lucie are usually found in September or October, booked 30 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Washington, D.C. to Port St. Lucie

Cheapest flights from Washington, D.C. to Port St. Lucie
Explore the most affordable flight options available from Washington, D.C. to Port St. Lucie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This CheapOair deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:20 am
BWI
-
FLL
Nonstop2h 47m
Spirit Airlines
Tue 2/1710:19 pm
FLL
-
BWI
1 stop12h 08m
Spirit Airlines
Deal found 1/27$89
This Cheapflightsfares deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/46:20 am
BWI
-
FLL
Nonstop2h 47m
Spirit Airlines
Wed 2/118:00 am
FLL
-
BWI
Nonstop2h 31m
Spirit Airlines
Deal found 1/28$90
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/91:00 pm
BWI
-
FLL
Nonstop2h 43m
Spirit Airlines
Wed 2/186:35 am
FLL
-
BWI
Nonstop2h 31m
Spirit Airlines
Deal found 1/28$92
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/159:04 pm
BWI
-
FLL
Nonstop2h 46m
Multiple Airlines
Thu 2/196:35 am
FLL
-
BWI
Nonstop2h 31m
Multiple Airlines
Deal found 1/28$93
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:12 pm
BWI
-
FLL
Nonstop2h 43m
Frontier
Sat 4/115:30 am
FLL
-
BWI
1 stop6h 40m
Frontier
Deal found 1/27$94
This CheapOair deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:20 am
BWI
-
FLL
Nonstop2h 47m
Spirit Airlines
Thu 3/512:40 pm
FLL
-
BWI
1 stop10h 13m
Spirit Airlines
Deal found 1/28$95
This Cheapflightsfares deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:30 am
BWI
-
FLL
1 stop4h 30m
Spirit Airlines
Tue 3/312:40 pm
FLL
-
BWI
1 stop10h 13m
Spirit Airlines
Deal found 1/29$96
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:20 am
BWI
-
FLL
Nonstop2h 47m
Spirit Airlines
Tue 3/246:45 am
FLL
-
BWI
Nonstop2h 29m
Spirit Airlines
Deal found 1/27$97
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:43 pm
BWI
-
FLL
Nonstop2h 46m
Multiple Airlines
Fri 3/279:33 pm
FLL
-
BWI
Nonstop2h 26m
Multiple Airlines
Deal found 1/28$98
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:43 pm
BWI
-
FLL
Nonstop2h 46m
Multiple Airlines
Tue 3/178:24 am
FLL
-
BWI
1 stop6h 00m
Multiple Airlines
Deal found 1/29$99
This Priceline deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/79:36 am
BWI
-
FLL
Nonstop2h 52m
Spirit Airlines
Thu 2/126:35 am
FLL
-
BWI
1 stop4h 42m
Spirit Airlines
Deal found 1/27$100
This Southwest deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:55 pm
DCA
-
FLL
Nonstop2h 45m
Southwest
Wed 3/117:55 pm
FLL
-
DCA
Nonstop2h 40m
Southwest
Deal found 1/27$127

Find flight deals from Washington, D.C. to Port St. Lucie

Keep the following information in mind while searching for Washington, D.C. to Port St. Lucie flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$89
(CheapOair)

One-way from

$36
(Spirit)

Popular in

December

Cheapest in

September

Average price

$213
Provider with most accurate pricing for Washington, D.C. (WAS)-Fort Lauderdale flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Fort Lauderdale flights.
Search Deals
From Washington, D.C. (WAS) to Port St. Lucie
Search Deals
One-way flight from Washington, D.C. (WAS) to Port St. Lucie
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Port St. Lucie 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 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Port St. Lucie that are best for you.

Fly from

Washington, D.C.

Fly to

Port St. Lucie

Route

Depart

Return

Price

BaltimoreFort Lauderdale

BWI - FLL

BWIFLL

Baltimore/Washington

Wed 2/25

12:30 pm-3:13 pm

Nonstop2h 43m

Fort Lauderdale

Mon 3/2

6:35 am-9:06 am

Nonstop2h 31m

$95

BaltimoreFort Lauderdale

BWI - FLL

BWIFLL

Baltimore/Washington

Wed 4/8

10:12 am-12:48 pm

Nonstop2h 36m

Fort Lauderdale

Mon 4/13

6:45 am-9:14 am

Nonstop2h 29m

$99

BaltimoreFort Lauderdale

BWI - FLL

BWIFLL

Baltimore/Washington

Sun 3/1

12:30 pm-3:13 pm

Nonstop2h 43m

Fort Lauderdale

Thu 3/5

4:28 pm-7:01 pm

Nonstop2h 33m

$100

BaltimoreFort Lauderdale

BWI - FLL

BWIFLL

Baltimore/Washington

Thu 2/19

10:06 am-12:52 pm

Nonstop2h 46m

Fort Lauderdale

Thu 2/26

9:00 pm-11:31 pm

Nonstop2h 31m

$107

BaltimoreFort Lauderdale

BWI - FLL

BWIFLL

Baltimore/Washington

Tue 3/17

9:15 pm-7:06 am

1 stop9h 51m

Fort Lauderdale

Fri 3/20

6:45 am-9:14 am

Nonstop2h 29m

$112

BaltimoreFort Lauderdale

BWI - FLL

BWIFLL

Baltimore/Washington

Wed 3/18

9:15 pm-7:06 am

1 stop9h 51m

Fort Lauderdale

Thu 3/19

4:28 pm-6:58 pm

Nonstop2h 30m

$112

BaltimoreFort Lauderdale

BWI - FLL

BWIFLL

Baltimore/Washington

Sun 2/15

10:06 am-12:52 pm

Nonstop2h 46m

Fort Lauderdale

Tue 2/17

10:19 pm-10:27 am

1 stop12h 08m

$112

BaltimoreFort Lauderdale

BWI - FLL

BWIFLL

Baltimore/Washington

Tue 3/24

6:20 am-8:56 am

Nonstop2h 36m

Fort Lauderdale

Mon 3/30

9:33 pm-11:59 pm

Nonstop2h 26m

$119

BaltimoreFort Lauderdale

BWI - FLL

BWIFLL

Baltimore/Washington

Sat 3/21

4:05 pm-6:40 pm

Nonstop2h 35m

Fort Lauderdale

Sun 3/29

6:45 am-9:14 am

Nonstop2h 29m

$120

BaltimoreFort Lauderdale

BWI - FLL

BWIFLL

Baltimore/Washington

Wed 2/25

11:30 am-8:05 pm

1 stop8h 35m

Fort Lauderdale

Sat 2/28

10:19 pm-10:27 am

1 stop12h 08m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 59 results
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Best time to book a flight from Washington, D.C. to Port St. Lucie

Have a flexible travel schedule? Discover the best time to fly to Port St. Lucie from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Port St. Lucie

How far ahead should I book a flight from Washington, D.C. to Port St. Lucie?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Port St. Lucie. Price data was last updated on January 23, 2026.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Port St. Lucie, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. to Port St. Lucie?

Currently, December is the cheapest month in which you can book a flight from Washington, D.C. to Port St. Lucie (average of $40). Flying from Washington, D.C. to Port St. Lucie in April is currently the most expensive (average of $77). 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.

What is the cheapest time of day to fly from WAS to LU5?

Find hourly flight availability from Washington, D.C. to Port St. Lucie. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

It’s optimal to fly from Washington, D.C. to Port St. Lucie at noon. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Washington, D.C. to Port St. Lucie?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Port St. Lucie. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Port St. Lucie flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Port St. Lucie

Explore weekly flight availability from Washington, D.C. to Port St. Lucie. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from WAS to LU5 are scheduled on a Thursday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).

How much does it cost to fly round-trip from Washington, D.C. to Port St. Lucie?

Reviews of airlines servicing Port St. Lucie

Get insights into the airlines that provide service to Port St. Lucie. 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 Port St. Lucie. Reviews last updated January 29, 2026.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Washington, D.C. to Port St. Lucie by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,206 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,891 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,394 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Port St. Lucie. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Port St. Lucie?

    Departing from Washington, D.C. to Port St. Lucie will take you 2h 43m. Washington, D.C. and Port St. Lucie are separated by a distance of 927 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. to Port St. Lucie one-way?

    One-way options have recently been found by users for as low as $38 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $40 and Southwest from $58 one-way.

  • What are the most popular routes from Washington, D.C. to Port St. Lucie?

    The most popular route from Washington, D.C. to Port St. Lucie is Baltimore/Washington - Fort Lauderdale. You may also consider Washington, D.C. Dulles Intl - Fort Lauderdale or Washington, D.C. Reagan-National - Fort Lauderdale.

  • What are the most reliable airlines from Washington, D.C. to Port St. Lucie?

    Before booking your flight to Port St. Lucie from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Ethiopian Air (89%), Brussels Airlines (87%), Avianca( 85%).

  • What are the cheapest flights from Washington, D.C. to Port St. Lucie?

    Looking for the cheapest flight from Washington, D.C. to Port St. Lucie? While on average our users pay $445, our data indicates the cheapest price to be $29. The most popular route (Baltimore/Washington - Fort Lauderdale), is priced around $51.

  • Can I find deals for flights from Washington, D.C. to Port St. Lucie that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Port St. Lucie flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Port St. Lucie?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Port St. Lucie.

  • Can I find deals for business class flights from Washington, D.C. to Port St. Lucie?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Port St. Lucie by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Port St. Lucie?

    Currently, December is the cheapest month in which you can book a flight from Washington, D.C. to Port St. Lucie (average of $40). Flying from Washington, D.C. to Port St. Lucie in April is currently the most expensive (average of $77). 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.

See more FAQs

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Alternative routes for Washington, D.C. to Port St. Lucie

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Valdosta flights

Top 8 airlines flying from Washington, D.C. to Port St. Lucie

Discover the top 8 airlines that operate flights from Washington, D.C. to Port St. Lucie. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$37Average$160FlexibilityNo cancel feeOn-time65%
FrontierCheapest$46Average$163FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$71Average$229FlexibilityNo cancel feeOn-time62%
DeltaCheapest$83Average$302FlexibilityNo cancel feeOn-timeN/A
Breeze AirwaysCheapest$89Average$171FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$110Average$332FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$117Average$331FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$141Average$368FlexibilityNo cancel feeOn-time71%

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