FlightsFrom Washington, D.C.

To San Juan

Cheap Flights from Washington, D.C. to San Juan

Browse current best options from Washington, D.C.. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Washington, D.C.

RatePunk searches hundreds of travel sites at once for deals on flights to San Juan

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Washington, D.C. to San Juan

Explore current cheapest deals departing from Washington, D.C. to San Juan

August 7 - August 31

Cheapest
Earliest

BWI - San Juan

$184

$235

Round trip

August 7 - August 14

Earliest

BWI - San Juan

$216

$240

Round trip

August 27 - August 31

BWI - San Juan

$227

$245

Round trip

August 31 - September 1

BWI - San Juan

$229

$245

Round trip

August 19 - August 31

BWI - San Juan

$202

$245

Round trip

August 20 - August 31

BWI - San Juan

$204

$245

Round trip

August 31 - September 5

BWI - San Juan

$227

$245

Round trip

August 31 - September 2

Best

BWI - San Juan

$229

$245

Round trip

August 7 - September 2

Earliest

BWI - San Juan

$184

$245

Round trip

August 7 - August 27

Earliest

BWI - San Juan

$186

$245

Round trip

Unlock all 500+ flight deals to San Juan and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Washington, D.C. to San Juan

For travelers seeking cheap flights from Washington, D.C. to San Juan, April stands out as the most affordable month, with a median fare of just $160. Other cost-effective options include May, where the median fare is $202, and February, with a median fare of $223. Planning your trip around these months can lead to significant savings.
Right now, fares for flights from Washington, D.C. to San Juan typically range from $161–$453, with a median price of $276. Current fares are significantly above the typical level for this route. Only 3% of recent fares were classified as a good price, indicating that finding a low fare may require some flexibility or waiting for new deals. New deals appear almost daily, so setting up a price alert can be beneficial.
When flying from Washington, D.C. to San Juan, most itineraries connect at least once, with only 36.5% of recent fares being non-stop. For the majority of flights that do include connections, the typical number of stopovers is one. This means you should generally expect a layover on your journey.
A typical journey from Washington, D.C. to San Juan, including connections, takes approximately 8h 54m. This duration accounts for the median flight time across all observed itineraries, reflecting the common need for at least one stopover on this route. The overall distance covered on this route is 2524 km, classifying it as a medium-haul flight.

How much is a round trip from Washington, D.C. to San Juan

Regular price: $155 - $315

Prices for flights from Washington, D.C. to San Juan are currently within the regular range.

The regular price range for flights from Washington, D.C. to San Juan is between $155 and $315. The current lowest deal is $235 with Frontier Airlines, for travel from August 7 to August 31.

now $235

Low $155

High $315

The cheapest time to fly from Washington, D.C. to San Juan

The cheapest month to fly from Washington, D.C. to San Juan, Puerto Rico, is April, with a median price of $160. The most expensive month is March, with a median price of $1783. Prices are generally lower from February to November.

April

Cheapest

Flights from $160

March

Most Expensive

Flights from $1,783

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Direct flights from Washington, D.C. to San Juan

Airline logo

Frontier Airlines

Last-minute flights going from Washington, D.C. to San Juan

Tue, Jun 23

⌛ Last-Minute

IAD - San Juan

Frontier Airlines

Washington, D.C. (IAD) - San Juan (SJU)

Frontier Airlines

$397

$281

One-way

Mon, Jul 20

⌛ Last-Minute

BWI - San Juan

Frontier Airlines

Washington, D.C. (BWI) - San Juan (SJU)

Frontier Airlines

$236

$254

One-way

Mon, Jul 20

⌛ Last-Minute

BWI - San Juan

Frontier Airlines

Washington, D.C. (BWI) - San Juan (SJU)

Frontier Airlines

$237

$255

One-way

Tue, Aug 4

⌛ Last-Minute

BWI - San Juan

Frontier Airlines

Washington, D.C. (BWI) - San Juan (SJU)

Frontier Airlines

$251

$254

One-way

Tue, Aug 4

⌛ Last-Minute

BWI - San Juan

Frontier Airlines

Washington, D.C. (BWI) - San Juan (SJU)

Frontier Airlines

$260

$255

One-way

Tue, Aug 4

⌛ Last-Minute

BWI - San Juan

Frontier Airlines

Washington, D.C. (BWI) - San Juan (SJU)

Frontier Airlines

$291

$256

One-way

Biggest price drops on these dates for flights from Washington, D.C. to San Juan

8 nights

Nov 3 - Nov 11

$626  →  $307

51%

6 nights

Nov 4 - Nov 10

$634  →  $320

50%

5 nights

Nov 10 - Nov 15

$647  →  $349

46%

8 nights

Nov 10 - Nov 18

$632  →  $335

47%

Popular Airports to fly from Washington, D.C. to San Juan

Washington, D.C. - San Juan route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Washington, D.C. to San Juan are above the typical level.

📅 Best time to fly

Fly in April for the best prices

Historically, April offers the lowest median prices at $160 for flights to San Juan.

⏱️ Flight duration

Total flight time is 8h 54m

The median flight duration from Washington, D.C. to San Juan is 8 hours 54 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Only 36.5% of recent deals are direct, with connecting flights typically having 1 stopover.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines is one of the carriers offering direct flights on this route.

🎯 Booking tip

Deals appear frequently

Deals for this route appear frequently, with over 1 deal per day historically.

Washington, D.C. main airports to depart from

Baltimore–Washington International (BWI)

Cheapest

Baltimore–Washington International offers a budget-friendly option for flights from Washington, D.C. to San Juan.

📍 ~50 km from Washington, D.C. (reachable by car or train)

💸 Flights from ~$235

Ronald Reagan Washington National (DCA)

Ronald Reagan Washington National is a convenient departure point for flights from Washington, D.C. to San Juan.

📍 ~5 km from Washington, D.C. (reachable by car or metro)

💸 Flights from ~$277

Washington Dulles International (IAD)

Washington Dulles International provides another choice for travelers flying from Washington, D.C. to San Juan.

📍 ~40 km from Washington, D.C. (reachable by car or bus)

💸 Flights from ~$250

San Juan main airports to arrive at

Luis Muñoz Marín International (SJU)

Cheapest

Luis Muñoz Marín International Airport is a good option for flights from Washington, D.C. to San Juan.

📍 ~10 km from San Juan (reachable by car).

💸 Flights from ~$235

Fernando Luis Ribas Dominicci (SIG)

Fernando Luis Ribas Dominicci Airport is an alternative for flights from Washington, D.C. to San Juan.

📍 ~1 km from San Juan (reachable by car).

Airports nearby San Juan used as alternative

Aguadilla Rafael Hernandez (BQN)

This airport is a reliable alternative for travelers on the western side of the island.

📍 ~100 km from San Juan (approximately a 2-hour drive from the San Juan metropolitan area).

💸 Flights from ~$294

Mercedita (PSE)

This airport serves the southern region with direct flights to major US hubs.

📍 ~60 km from San Juan (limited ground transportation options compared to San Juan).

💸 Flights from ~$335

Cyril E. King (STT)

Cheapest

This major international hub in the US Virgin Islands offers extensive US mainland connectivity.

📍 ~150 km from San Juan (requires an inter-island flight or ferry to reach from Puerto Rico).

💸 Flights from ~$291

Punta Cana International (PUJ)

This massive international hub offers global connections and often has lower transatlantic fares.

📍 ~230 km from San Juan (located in the Dominican Republic, requiring international travel).

💸 Flights from ~$332

Henry E. Rohlsen (STX)

This alternative US territory airport offers direct links to the US mainland.

📍 ~180 km from San Juan (requires additional air travel from Puerto Rico to reach).

💸 Flights from ~$409

Business & First Class Flight Deals to San Juan

Discover luxury on the budget with premium cabin class on flights from Washington, D.C. to San Juan.

Elite

Best Elite deals to San Juan

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From DCA

Elite

Jul 14

San Juan, United States

85% AI deal score

$1,452

$850

Save $602

From IAD

Elite

Aug 28

San Juan, United States

85% AI deal score

$1,336

$851

Save $485

From IAD

Elite

Oct 10

San Juan, United States

85% AI deal score

$1,331

$856

Save $475

From DCA

Elite

Oct 28

San Juan, United States

85% AI deal score

$1,349

$861

Save $488

From DCA

Elite

Sep 29

San Juan, United States

84% AI deal score

$1,266

$850

Save $416

From IAD

Elite

Sep 28

San Juan, United States

84% AI deal score

$1,267

$856

Save $411

From IAD

Elite

Aug 27

San Juan, United States

84% AI deal score

$1,335

$861

Save $474

From DCA

Elite

Dec 05

San Juan, United States

84% AI deal score

$1,358

$861

Save $497

From DCA

Elite

Sep 25

San Juan, United States

84% AI deal score

$1,266

$861

Save $405

From DCA

Elite

Sep 30

San Juan, United States

84% AI deal score

$1,269

$861

Save $408

From DCA

Elite

Sep 24

San Juan, United States

84% AI deal score

$1,266

$861

Save $405

From DCA

Elite

Oct 21

San Juan, United States

84% AI deal score

$1,349

$861

Save $488

From DCA

Elite

Oct 13

San Juan, United States

84% AI deal score

$1,336

$861

Save $475

From DCA

Elite

Sep 12

San Juan, United States

84% AI deal score

$1,274

$861

Save $413

From DCA

Elite

Dec 01

San Juan, United States

84% AI deal score

$1,358

$861

Save $497

From IAD

Elite

Jun 29

San Juan, United States

84% AI deal score

$1,287

$872

Save $415

From DCA

Elite

Oct 19

San Juan, United States

84% AI deal score

$1,346

$878

Save $468

From IAD

Elite

Jun 25

San Juan, United States

84% AI deal score

$1,561

$955

Save $606

From IAD

Elite

Sep 17

San Juan, United States

83% AI deal score

$1,214

$851

Save $363

From IAD

Elite

Aug 25

San Juan, United States

83% AI deal score

$1,159

$851

Save $308

From IAD

Elite

Aug 24

San Juan, United States

83% AI deal score

$1,159

$851

Save $308

From IAD

Elite

Aug 25

San Juan, United States

83% AI deal score

$1,175

$851

Save $324

From DCA

Elite

Sep 01

San Juan, United States

83% AI deal score

$1,267

$861

Save $406

From DCA

Elite

Aug 19

San Juan, United States

83% AI deal score

$1,255

$861

Save $394

From DCA

Elite

Sep 19

San Juan, United States

83% AI deal score

$1,266

$861

Save $405

From DCA

Elite

Sep 22

San Juan, United States

83% AI deal score

$1,260

$861

Save $399

From DCA

Elite

Sep 05

San Juan, United States

83% AI deal score

$1,267

$861

Save $406

From IAD

Elite

Aug 19

San Juan, United States

83% AI deal score

$1,338

$922

Save $416

From IAD

Elite

Aug 03

San Juan, United States

83% AI deal score

$1,384

$938

Save $446

From IAD

Elite

Sep 27

San Juan, United States

82% AI deal score

$1,143

$851

Save $292

From IAD

Elite

Sep 13

San Juan, United States

82% AI deal score

$1,124

$851

Save $273

From IAD

Elite

Sep 20

San Juan, United States

82% AI deal score

$1,131

$851

Save $280

From IAD

Elite

Sep 19

San Juan, United States

82% AI deal score

$1,128

$851

Save $277

From IAD

Elite

Oct 11

San Juan, United States

82% AI deal score

$1,187

$867

Save $320

From DCA

Elite

Jul 28

San Juan, United States

82% AI deal score

$1,177

$878

Save $299

From IAD

Elite

Jun 27

San Juan, United States

82% AI deal score

$1,231

$916

Save $315

From IAD

Elite

Jun 29

San Juan, United States

82% AI deal score

$1,167

$916

Save $251

From IAD

Elite

Aug 04

San Juan, United States

82% AI deal score

$1,216

$922

Save $294

From DCA

Elite

Oct 31

San Juan, United States

81% AI deal score

$1,518

$993

Save $525

From DCA

Elite

Jun 23

San Juan, United States

81% AI deal score

$1,480

$1,012

Save $468

From IAD

Elite

Jul 28

San Juan, United States

81% AI deal score

$1,070

$867

Save $203

From IAD

Elite

Aug 15

San Juan, United States

81% AI deal score

$1,186

$923

Save $263

From IAD

Elite

Aug 06

San Juan, United States

81% AI deal score

$1,194

$923

Save $271

From IAD

Elite

Jul 01

San Juan, United States

81% AI deal score

$1,143

$923

Save $220

From IAD

Elite

Jul 02

San Juan, United States

81% AI deal score

$1,138

$923

Save $215

From IAD

Elite

Jul 30

San Juan, United States

81% AI deal score

$1,141

$923

Save $218

From IAD

Elite

Aug 03

San Juan, United States

81% AI deal score

$1,205

$940

Save $265

From IAD

Elite

Dec 01

San Juan, United States

81% AI deal score

$1,313

$983

Save $330

From IAD

Elite

Oct 30

San Juan, United States

81% AI deal score

$1,311

$983

Save $328

From IAD

Elite

Oct 23

San Juan, United States

81% AI deal score

$1,346

$983

Save $363

From IAD

Elite

Jun 18

San Juan, United States

80% AI deal score

$1,573

$1,038

Save $535

From IAD

Elite

Jul 07

San Juan, United States

80% AI deal score

$1,121

$923

Save $198

From IAD

Elite

Jul 22

San Juan, United States

80% AI deal score

$1,091

$923

Save $168

From IAD

Elite

Jul 14

San Juan, United States

80% AI deal score

$1,233

$973

Save $260

From IAD

Elite

Oct 01

San Juan, United States

80% AI deal score

$1,327

$983

Save $344

From IAD

Elite

Oct 06

San Juan, United States

75% AI deal score

$1,352

$988

Save $364

From IAD

Elite

Aug 11

San Juan, United States

75% AI deal score

$1,326

$993

Save $333

From BWI

Elite

Sep 12

San Juan, United States

75% AI deal score

$1,450

$1,054

Save $396

From DCA

Elite

Jul 31

San Juan, United States

75% AI deal score

$1,471

$1,101

Save $370

From IAD

Elite

Jun 18

San Juan, United States

75% AI deal score

$1,612

$1,123

Save $489

From IAD

Elite

Jul 09

San Juan, United States

75% AI deal score

$1,121

$941

Save $180

From IAD

Elite

Jul 21

San Juan, United States

75% AI deal score

$1,081

$941

Save $140

From IAD

Elite

Jul 19

San Juan, United States

75% AI deal score

$1,197

$981

Save $216

From IAD

Elite

Sep 07

San Juan, United States

75% AI deal score

$1,199

$983

Save $216

From IAD

Elite

Sep 10

San Juan, United States

75% AI deal score

$1,198

$983

Save $215

From IAD

Elite

Jul 11

San Juan, United States

75% AI deal score

$1,197

$983

Save $214

From IAD

Elite

Jul 30

San Juan, United States

75% AI deal score

$1,188

$993

Save $195

From IAD

Elite

Aug 14

San Juan, United States

74% AI deal score

$1,414

$1,106

Save $308

From DCA

Elite

Aug 28

San Juan, United States

74% AI deal score

$1,452

$1,111

Save $341

From IAD

Elite

Jun 18

San Juan, United States

74% AI deal score

$1,583

$1,181

Save $402

From IAD

Elite

Sep 12

San Juan, United States

74% AI deal score

$1,121

$973

Save $148

From IAD

Elite

Aug 19

San Juan, United States

74% AI deal score

$1,159

$983

Save $176

From IAD

Elite

Jul 18

San Juan, United States

74% AI deal score

$1,152

$983

Save $169

From IAD

Elite

Aug 12

San Juan, United States

73% AI deal score

$1,299

$1,049

Save $250

From IAD

Elite

Oct 04

San Juan, United States

73% AI deal score

$1,351

$1,096

Save $255

From IAD

Elite

Oct 03

San Juan, United States

73% AI deal score

$1,355

$1,111

Save $244

From DCA

Elite

Nov 08

San Juan, United States

73% AI deal score

$1,387

$1,125

Save $262

From IAD

Elite

Jul 17

San Juan, United States

73% AI deal score

$1,096

$983

Save $113

From IAD

Elite

Jul 23

San Juan, United States

73% AI deal score

$1,072

$983

Save $89

From IAD

Elite

Jun 27

San Juan, United States

70% AI deal score

$902

$857

Save $45

From IAD

Elite

Jul 15

San Juan, United States

70% AI deal score

$1,006

$973

Save $33

From IAD

Elite

Jul 14

San Juan, United States

69% AI deal score

$860

From IAD

Elite

Jul 02

San Juan, United States

69% AI deal score

$928

$923

Save $5

From IAD

Elite

Jul 03

San Juan, United States

69% AI deal score

$978

$976

Save $2

From IAD

Elite

Jun 20

San Juan, United States

69% AI deal score

$986

From IAD

Elite

Aug 07

San Juan, United States

68% AI deal score

$842

From IAD

Elite

Jul 07

San Juan, United States

68% AI deal score

$973

From IAD

Elite

Jul 01

San Juan, United States

68% AI deal score

$1,004

From IAD

Elite

Jul 17

San Juan, United States

68% AI deal score

$1,040

From IAD

Elite

Jul 16

San Juan, United States

68% AI deal score

$1,054

From IAD

Elite

Jul 02

San Juan, United States

68% AI deal score

$1,054

From IAD

Elite

Jul 09

San Juan, United States

68% AI deal score

$1,059

From IAD

Elite

Jun 28

San Juan, United States

67% AI deal score

$983

From IAD

Elite

Jul 21

San Juan, United States

67% AI deal score

$1,140

From IAD

Elite

Jul 08

San Juan, United States

67% AI deal score

$1,190

From IAD

Elite

Jul 30

San Juan, United States

66% AI deal score

$1,172

From IAD

Elite

Jul 29

San Juan, United States

66% AI deal score

$1,244

From IAD

Elite

Aug 27

San Juan, United States

50% AI deal score

$1,091

From IAD

Elite

Aug 28

San Juan, United States

49% AI deal score

$1,102

From IAD

Elite

Aug 08

San Juan, United States

49% AI deal score

$1,109

Frequently Asked Questions About Flights to San Juan

Historically, the optimal booking window for flights from Washington, D.C. to San Juan is typically 7-13 days before departure. During this period, the average price observed was $246. Booking within 0-6 days of departure generally sees a higher average price of $373. Conversely, planning more than 60 days in advance tends to result in the highest prices, averaging around $514.

Based on historical data from the trailing 90 days, a good price for a flight from Washington, D.C. to San Juan is considered to be $161 or less. The median price for this route across the trailing quarter was $276. Prices typically range, with 75% of observed fares being $453 or less.

Historically, April has shown the cheapest flights from Washington, D.C. to San Juan, with a median price of $160. May also offers competitive fares, with a median price of $202. The annual median price for this route is $276, indicating that these months typically provide significant savings compared to the yearly average.