Cheap Flights from Washington, D.C. to San Juan
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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
Round trip
Sort by: Cheapest
August 7 - August 31
BWI - San Juan
$184
$235
Round trip
August 7 - August 14
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
BWI - San Juan
$229
$245
Round trip
August 7 - September 2
BWI - San Juan
$184
$245
Round trip
August 7 - August 27
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
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
Flights from $160
March
Flights from $1,783
Direct flights from Washington, D.C. to San Juan
Frontier Airlines
Last-minute flights going from Washington, D.C. to San Juan
Tue, Jun 23
IAD - San Juan
Washington, D.C. (IAD) - San Juan (SJU)
Frontier Airlines
$397
$281
One-way
Mon, Jul 20
BWI - San Juan
Washington, D.C. (BWI) - San Juan (SJU)
Frontier Airlines
$236
$254
One-way
Mon, Jul 20
BWI - San Juan
Washington, D.C. (BWI) - San Juan (SJU)
Frontier Airlines
$237
$255
One-way
Tue, Aug 4
BWI - San Juan
Washington, D.C. (BWI) - San Juan (SJU)
Frontier Airlines
$251
$254
One-way
Tue, Aug 4
BWI - San Juan
Washington, D.C. (BWI) - San Juan (SJU)
Frontier Airlines
$260
$255
One-way
Tue, Aug 4
BWI - San Juan
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
Nov 3 - Nov 11
$626 → $307
51%
Nov 4 - Nov 10
$634 → $320
50%
Nov 10 - Nov 15
$647 → $349
46%
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)
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)
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)
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