$153+ Cheap flights from San Jose, CA (SJC) to Dulles Intl (IAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — IAD
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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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 September 15, 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 September 15, 2026.
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:38 pm -
1 stop13h 42m
Tue 9/297:47 pm -
1 stop16h 36m
Deal found 9/14![Multiple Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 9/1912:51 pm -
1 stop8h 50m
Tue 9/297:25 am -
1 stop9h 36m
Deal found 9/10![Delta logo]()
$315
This Frontier deal was found by Cheapflights users on 9/11. 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 9/241:38 pm -
1 stop13h 42m
Sun 9/276:00 am -
1 stop9h 43m
Deal found 9/11![Frontier logo]()
$319
This Delta deal was found by Cheapflights users on 9/13. 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.
Thu 10/112:51 pm -
1 stop8h 50m
Wed 10/77:23 am -
1 stop8h 16m
Deal found 9/13![Delta logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/264:15 pm -
1 stop9h 55m
Tue 12/110:54 pm -
2 stops34h 50m
Deal found 9/10![Frontier logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/296:33 am -
1 stop8h 17m
Mon 11/26:46 pm -
1 stop17h 35m
Deal found 9/14![Alaska Airlines logo]()
$325
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 9/3010:00 am -
1 stop10h 59m
Tue 10/67:02 am -
1 stop11h 50m
Deal found 9/13![Alaska Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/264:15 pm -
1 stop9h 55m
Wed 12/28:46 am -
2 stops24h 58m
Deal found 9/10![Frontier logo]()
$334
This Delta deal was found by Cheapflights users on 9/11. 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 9/2312:51 pm -
1 stop8h 50m
Mon 9/2812:26 pm -
1 stop9h 31m
Deal found 9/11![Delta logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 9/237:29 am -
1 stop7h 45m
Mon 9/287:47 pm -
1 stop16h 36m
Deal found 9/10![Alaska Airlines logo]()
$343
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 September 15, 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 September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 9/216:37 pm -
1 stop7h 48m
Wed 9/233:15 pm -
1 stop10h 35m
Deal found 9/11![United Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 9/14. 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.
Mon 9/2110:50 pm -
1 stop7h 19m
Tue 9/223:15 pm -
1 stop9h 07m
Deal found 9/14![Delta logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/293:51 pm -
1 stop22h 59m
Mon 11/26:46 pm -
1 stop17h 35m
Deal found 9/11![Alaska Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 9/12. 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.
Wed 9/2312:51 pm -
1 stop8h 50m
Thu 9/247:25 am -
1 stop9h 36m
Deal found 9/12![Delta logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 9/237:29 am -
1 stop7h 45m
Mon 9/287:47 pm -
1 stop16h 36m
Deal found 9/10![Alaska Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:35 pm -
1 stop7h 42m
Wed 10/213:47 pm -
1 stop9h 55m
Deal found 9/14![United Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 9/10. 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 9/2312:51 pm -
1 stop8h 50m
Sun 9/276:10 am -
1 stop9h 17m
Deal found 9/10![Delta logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 11/39:39 am -
2 stops17h 05m
Tue 11/106:46 pm -
1 stop17h 35m
Deal found 9/14![Alaska Airlines logo]()
$409
This KAYAK deal was found by Cheapflights users on 9/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:50 pm -
1 stop7h 19m
Wed 10/76:13 am -
1 stop9h 34m
Deal found 9/14![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 10/1012:57 pm -
1 stop8h 45m
Wed 10/146:13 am -
1 stop9h 34m
Deal found 9/13![Delta logo]()
$419
Last-minute flights from San Jose to Dulles IntlDiscover last-minute flight deals from San Jose to Dulles Intl. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Dulles Intl. Data last updated September 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 9/1912:51 pm -
1 stop8h 50m
Tue 9/297:25 am -
1 stop9h 36m
Deal found 9/10![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 9/11. 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 9/2312:51 pm -
1 stop8h 50m
Mon 9/2812:26 pm -
1 stop9h 31m
Deal found 9/11![Delta logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 9/237:29 am -
1 stop7h 45m
Mon 9/287:47 pm -
1 stop16h 36m
Deal found 9/10![Alaska Airlines logo]()
$343
This Frontier deal was found by Cheapflights users on 9/11. 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 9/241:38 pm -
1 stop13h 42m
Sun 9/276:00 am -
1 stop9h 43m
Deal found 9/11![Frontier logo]()
$319
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:38 pm -
1 stop13h 42m
Tue 9/297:47 pm -
1 stop16h 36m
Deal found 9/14![Multiple Airlines logo]()
$307
This Expedia deal was found by Cheapflights users on 9/12. 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.
Fri 9/251:38 pm -
1 stop13h 42m
Mon 9/286:00 am -
1 stop9h 43m
Deal found 9/12![Frontier logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 9/3010:00 am -
1 stop10h 59m
Tue 10/67:02 am -
1 stop11h 50m
Deal found 9/13![Alaska Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 9/13. 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.
Thu 10/112:51 pm -
1 stop8h 50m
Wed 10/77:23 am -
1 stop8h 16m
Deal found 9/13![Delta logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/89:02 pm -
1 stop30h 18m
Thu 10/156:00 am -
1 stop10h 20m
Deal found 9/10![Frontier logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/296:33 am -
1 stop8h 17m
Mon 11/26:46 pm -
1 stop17h 35m
Deal found 9/14![Alaska Airlines logo]()
$325
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 September 15, 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 September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/56:35 pm -
1 stop7h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/152:15 pm -
2 stops31h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$156
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 9/198:45 am -
1 stop7h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:03 pm -
2 stops34h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$159
This Delta deal was found by Cheapflights users on 9/11. 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 10/712:57 pm -
1 stop8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/19:03 pm -
2 stops54h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$164
This Delta deal was found by Cheapflights users on 9/10. 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 9/236:10 am -
1 stop8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$168
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/234:15 pm -
1 stop9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$173
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:38 pm -
1 stop13h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$181
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:14 pm -
1 stop7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/66:33 am -
1 stop8h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Alaska Airlines logo]()
$186
This KAYAK deal was found by Cheapflights users on 9/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:40 am -
1 stop7h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$187
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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Expedia) |
One-way from | $153 (United Airlines) |
Popular in | March |
Cheapest in | May |
Average price | $362 |
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 7,457,451 searches. Data last updated September 15, 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
2:14 pm-12:30 am
1 stop7h 16m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Tue 11/17
6:20 am-6:17 pm
1 stop8h 57m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Fri 10/30
6:33 am-5:50 pm
1 stop8h 17m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Sat 10/31
6:33 am-5:50 pm
1 stop8h 17m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
Quickest round-trip
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Thu 10/1
1:43 pm-11:43 pm
1 stop7h 00m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Sun 9/20
12:51 pm-12:41 am
1 stop8h 50m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$158
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Wed 9/23
6:10 am-6:05 pm
1 stop8h 55m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$158
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Wed 9/23
2:10 pm-12:44 am
1 stop7h 34m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$168
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Sat 9/19
12:51 pm-12:41 am
1 stop8h 50m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$168
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Tue 9/29
6:40 am-5:11 pm
1 stop7h 31m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$168
Showing 1-10 of 21 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 September.
| 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
Prices
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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 below average for this route at the moment.
San Jose, California to Washington, D.C. Dulles Intl Airport flights typically cost between $345 and $437 in September.The cheapest round-trip price found within the last 5 days was $307 on Multiple Airlines (Sep 25-Sep 29).
What’s the top layover airport for flights from San Jose, California to Washington, D.C. Dulles Intl Airport?
Share of 1-stop round-trip flights from San Jose, California to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 71% of 1-stop itineraries from San Jose, California to Washington, D.C. Dulles Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from San Jose, California to Washington, D.C. Dulles Intl Airport?
Average round-trip fare for 1-stop flights from San Jose, California to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $309.
What’s the fastest layover option from San Jose, California to Washington, D.C. Dulles Intl Airport?
Shortest average travel time for 1-stop one-way flights from San Jose, California to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 7h 34m.
Which airport typically offers the quickest layover for flights from San Jose, California to Washington, D.C. Dulles Intl Airport?
Average layover duration for 1-stop one-way flights from San Jose, California to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 15m.
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 September 15, 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.
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
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
Arlington
Owings Mills
Lanham
Tysons
Woodbridge
Reston
Chantilly
Herndon
Hyattsville
Rockville
Fredericksburg
Falls Church
Sterling
Hanover
Laurel
Springfield
Oxon Hill
Clinton
Hunt Valley
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Other flights to Dulles Intl
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San Jose and Dulles Intl flights
Browse other San Jose and Dulles Intl flight options. Last updated on September 15, 2026.
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Top 5 airlines flying from San Jose to Dulles Intl
Discover the top 5 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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$371 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$252 | Average$379 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$274 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$277 | Average$526 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$314 | Average$414 | FlexibilityNo cancel fee | On-time75% |