$149+ Cheap flights from San Jose, CA (SJC) to Dulles Intl (IAD)
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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — IAD
Sep 15 — Sep 221
Round-trip
1 adult, Economy
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Find cheap flights from San Jose to Dulles Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Jose to Dulles Intl
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One-way
Cheapest flights from San Jose to Dulles IntlExplore the most affordable flight options available from San Jose to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2026.
Explore the most affordable flight options available from San Jose to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2026.
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:50 pm -
1 stop7h 19m
Tue 9/296:10 am -
1 stop9h 17m
Deal found 8/16![Delta logo]()
$305
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:38 pm -
1 stop13h 42m
Sun 10/46:00 am -
1 stop9h 43m
Deal found 8/11![Frontier logo]()
$307
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:38 pm -
1 stop13h 42m
Wed 9/167:00 am -
2 stops14h 04m
Deal found 8/11![Multiple Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:24 pm -
1 stop6h 57m
Sat 9/263:15 pm -
1 stop9h 07m
Deal found 8/16![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:10 pm -
1 stop7h 37m
Fri 9/255:20 pm -
1 stop8h 22m
Deal found 8/12![United Airlines logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:29 am -
1 stop7h 45m
Mon 9/147:47 pm -
1 stop16h 36m
Deal found 8/14![Alaska Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/11:38 pm -
1 stop13h 42m
Mon 10/56:00 am -
2 stops16h 53m
Deal found 8/11![Frontier logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:20 am -
1 stop8h 17m
Wed 9/24:15 pm -
1 stop7h 58m
Deal found 8/11![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:32 am -
1 stop8h 24m
Tue 10/136:13 am -
1 stop9h 34m
Deal found 8/14![Delta logo]()
$319
This CheapOair deal was found by Cheapflights users on 8/11. 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.
Sun 8/162:12 pm -
1 stop15h 08m
Wed 8/198:59 am -
1 stop30h 08m
Deal found 8/11![Frontier logo]()
$320
This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:15 pm -
1 stop13h 05m
Mon 10/126:00 am -
1 stop10h 20m
Deal found 8/13![Frontier logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/219:03 pm -
2 stops24h 07m
Mon 9/286:00 am -
1 stop9h 43m
Deal found 8/16![Frontier logo]()
$325
Best flights from San Jose to Dulles IntlDiscover carefully curated flight deals from San Jose to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2026.
Discover carefully curated flight deals from San Jose to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2026.
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:31 am -
1 stop9h 35m
Sun 11/87:05 am -
1 stop10h 07m
Deal found 8/15![Delta logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:47 pm -
1 stop9h 53m
Mon 9/287:47 pm -
1 stop16h 36m
Deal found 8/13![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:57 pm -
1 stop8h 45m
Mon 11/27:05 am -
1 stop9h 52m
Deal found 8/15![Delta logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:33 am -
1 stop8h 17m
Sat 10/247:02 am -
1 stop11h 50m
Deal found 8/12![Alaska Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:40 am -
1 stop8h 48m
Mon 8/316:00 am -
1 stop9h 27m
Deal found 8/14![Delta logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:29 am -
1 stop7h 45m
Wed 9/167:00 am -
2 stops14h 04m
Deal found 8/11![Alaska Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:24 pm -
1 stop6h 57m
Sun 9/66:00 am -
1 stop8h 22m
Deal found 8/12![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:37 pm -
1 stop8h 57m
Mon 8/317:00 am -
1 stop8h 54m
Deal found 8/11![Delta logo]()
$357
Last-minute flights from San Jose to Dulles IntlDiscover last-minute flight deals from San Jose to Dulles Intl. Data last updated August 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Dulles Intl. Data last updated August 16, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/11. 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.
Sun 8/162:12 pm -
1 stop15h 08m
Wed 8/198:59 am -
1 stop30h 08m
Deal found 8/11![Frontier logo]()
$320
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:20 am -
1 stop8h 17m
Wed 9/24:15 pm -
1 stop7h 58m
Deal found 8/11![United Airlines logo]()
$318
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:02 pm -
1 stop16h 02m
Mon 8/248:59 am -
1 stop7h 23m
Deal found 8/12![Frontier logo]()
$329
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:24 pm -
1 stop6h 57m
Sat 9/263:15 pm -
1 stop9h 07m
Deal found 8/16![Delta logo]()
$310
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:38 pm -
1 stop13h 42m
Wed 9/167:00 am -
2 stops14h 04m
Deal found 8/11![Multiple Airlines logo]()
$309
This Frontier deal was found by Cheapflights users on 8/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:38 pm -
1 stop13h 42m
Sun 9/136:00 am -
1 stop9h 43m
Deal found 8/12![Frontier logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:29 am -
1 stop7h 45m
Mon 9/147:47 pm -
1 stop16h 36m
Deal found 8/14![Alaska Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:10 pm -
1 stop7h 37m
Fri 9/255:20 pm -
1 stop8h 22m
Deal found 8/12![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:50 pm -
1 stop7h 19m
Tue 9/296:10 am -
1 stop9h 17m
Deal found 8/16![Delta logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/219:03 pm -
2 stops24h 07m
Mon 9/286:00 am -
1 stop9h 43m
Deal found 8/16![Frontier logo]()
$325
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:47 pm -
1 stop9h 53m
Mon 9/287:47 pm -
1 stop16h 36m
Deal found 8/13![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:32 am -
1 stop8h 24m
Sat 10/37:25 am -
1 stop9h 36m
Deal found 8/11![Delta logo]()
$328
One-way flights from San Jose to Dulles IntlSearch for one-way flight options from San Jose to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
Search for one-way flight options from San Jose to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/249:03 pm -
2 stops34h 14m
Deal found 8/12![Frontier logo]()
$149
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:40 pm -
1 stop8h 30m
Deal found 8/13![Delta logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/179:03 pm -
2 stops24h 07m
Deal found 8/12![Frontier logo]()
$151
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:30 am -
1 stop8h 19m
Deal found 8/16![Delta logo]()
$153
This KAYAK deal was found by Cheapflights users on 8/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:40 am -
1 stop10h 25m
Deal found 8/13![Delta logo]()
$155
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:29 am -
1 stop7h 45m
Deal found 8/14![Alaska Airlines logo]()
$158
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:17 pm -
1 stop18h 57m
Deal found 8/12![Alaska Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 10/162:15 pm -
2 stops18h 19m
Deal found 8/13![Frontier logo]()
$164
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:15 pm -
1 stop13h 05m
Deal found 8/13![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 8/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:38 pm -
1 stop13h 42m
Deal found 8/12![Frontier logo]()
$167
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:23 pm -
1 stop7h 00m
Deal found 8/11![Delta logo]()
$170
Find flight deals from San Jose to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (Delta) |
One-way from | $149 (Kiwi.com) |
Popular in | March |
Cheapest in | May |
Average price | $390 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Jose to Dulles Intl 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 August 16, 2026.
Use the filters below to find and compare flights from San Jose to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Fri 11/6
7:31 am-8:06 pm
1 stop9h 35m
Washington, D.C. Dulles Intl
Sun 11/8
7:05 am-2:12 pm
1 stop10h 07m
$305
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Mon 10/26
12:57 pm-12:42 am
1 stop8h 45m
Washington, D.C. Dulles Intl
Mon 11/2
7:05 am-1:57 pm
1 stop9h 52m
$305
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Thu 8/27
6:40 am-6:28 pm
1 stop8h 48m
Washington, D.C. Dulles Intl
Mon 8/31
6:00 am-12:27 pm
1 stop9h 27m
$315
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Wed 9/23
4:47 pm-5:40 am
1 stop9h 53m
Washington, D.C. Dulles Intl
Mon 9/28
7:47 pm-9:23 am
1 stop16h 36m
$327
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Thu 10/22
6:33 am-5:50 pm
1 stop8h 17m
Washington, D.C. Dulles Intl
Sat 10/24
7:02 am-3:52 pm
1 stop11h 50m
$330
Quickest round-trip
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Fri 9/4
1:24 pm-11:21 pm
1 stop6h 57m
Washington, D.C. Dulles Intl
Sun 9/6
6:00 am-11:22 am
1 stop8h 22m
$352
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Wed 8/26
12:37 pm-12:34 am
1 stop8h 57m
Washington, D.C. Dulles Intl
Mon 8/31
7:00 am-12:54 pm
1 stop8h 54m
$357
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Sat 9/12
7:29 am-6:14 pm
1 stop7h 45m
Washington, D.C. Dulles Intl
Wed 9/16
7:00 am-6:04 pm
2 stops14h 04m
$384
Cheapest one-way
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Sat 10/3
9:42 am-8:14 pm
1 stop7h 32m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Sat 9/5
12:46 pm-12:34 am
1 stop8h 48m
$153
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from San Jose to Dulles Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to Dulles Intl in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Jose, California-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Jose, California-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Jose to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Jose with our price prediction graph.
SJC-IAD
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 San Jose to Washington, D.C. Dulles Intl Airport
What is the cheapest month to book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport?
Currently, May is the cheapest month in which you can book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport (average of $356). Flying from San Jose, California to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $718). 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.
How much does it cost to fly round-trip from San Jose, California to Washington, D.C. Dulles Intl Airport?
Airfare is typical for this route at the moment.
San Jose, California to Washington, D.C. Dulles Intl Airport flights typically cost between $294 and $481 in September.The cheapest round-trip price found within the last 5 days was $305 on Delta (Sep 21-Sep 29).
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated August 16, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from San Jose to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from San Jose to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Oxon Hill
Clinton
Hunt Valley
Woodbridge
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San Jose and Dulles Intl flights
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Top 4 airlines flying from San Jose to Dulles Intl
Discover the top 4 airlines that operate flights from San Jose to Dulles Intl. 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 August 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$246 | Average$379 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$252 | Average$379 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$274 | Average$533 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$274 | Average$438 | FlexibilityNo cancel fee | On-timeN/A |