$148+ Cheap flights from Dulles Intl (IAD) to San Jose, CA (SJC)
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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJC
Jul 8 — Jul 151
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to San JoseExplore the most affordable flight options available from Dulles Intl to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
Explore the most affordable flight options available from Dulles Intl to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
This CheapOair deal was found by Cheapflights users on 6/7. 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 7/247:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Tue 7/288:12 pm
SJC
- IAD
1 stop19h 33m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 6/5. 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 6/296:00 pm
IAD
- SJC
1 stop7h 57m
Delta
Tue 7/1410:00 pm
SJC
- IAD
1 stop8h 26m
Delta
Deal found 6/5![Delta logo]()
$295
This CheapOair deal was found by Cheapflights users on 6/4. 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.
Sat 10/177:00 am
IAD
- SJC
1 stop11h 52m
Alaska Airlines
Tue 10/201:29 pm
SJC
- IAD
1 stop13h 11m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$305
This Expedia deal was found by Cheapflights users on 6/7. 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.
Wed 7/227:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Mon 7/278:12 pm
SJC
- IAD
1 stop19h 33m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$310
This CheapOair deal was found by Cheapflights users on 6/7. 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.
Thu 7/307:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Sun 8/27:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/8. 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 9/66:30 am
IAD
- SJC
1 stop9h 38m
United Airlines
Sun 9/206:37 pm
SJC
- IAD
1 stop7h 48m
United Airlines
Deal found 6/8![United Airlines logo]()
$314
This CheapOair deal was found by Cheapflights users on 6/3. 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.
Wed 7/297:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Sun 8/27:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 6/5. 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 6/205:43 pm
IAD
- SJC
1 stop7h 52m
United Airlines
Tue 7/71:10 pm
SJC
- IAD
1 stop8h 21m
United Airlines
Deal found 6/5![United Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 6/7. 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 7/275:46 pm
IAD
- SJC
1 stop8h 03m
Delta
Thu 8/610:20 pm
SJC
- IAD
1 stop10h 13m
Delta
Deal found 6/7![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 6/4. 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 6/296:00 pm
IAD
- SJC
1 stop7h 57m
Delta
Sat 7/116:35 am
SJC
- IAD
1 stop10h 19m
Delta
Deal found 6/4![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 6/5. 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 9/116:00 am
IAD
- SJC
1 stop8h 33m
Delta
Sun 9/1312:45 pm
SJC
- IAD
1 stop8h 25m
Delta
Deal found 6/5![Delta logo]()
$322
This CheapOair deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:49 pm
IAD
- SJC
1 stop16h 37m
Alaska Airlines
Fri 6/198:12 pm
SJC
- IAD
1 stop19h 45m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$325
Best flights from Dulles Intl to San JoseDiscover carefully curated flight deals from Dulles Intl to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
Discover carefully curated flight deals from Dulles Intl to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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 10/296:00 am
IAD
- SJC
1 stop8h 56m
Delta
Thu 11/512:45 pm
SJC
- IAD
1 stop8h 35m
Delta
Deal found 6/3![Delta logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 6/307:49 pm
IAD
- SJC
1 stop16h 37m
Alaska Airlines
Thu 7/97:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Tue 6/306:30 am
IAD
- SJC
1 stop8h 33m
United Airlines
Thu 7/21:10 pm
SJC
- IAD
1 stop8h 21m
United Airlines
Deal found 6/5![United Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 6/3. 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 8/215:42 pm
IAD
- SJC
1 stop8h 16m
Delta
Sat 8/2912:40 pm
SJC
- IAD
1 stop8h 54m
Delta
Deal found 6/3![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 6/7. 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 11/41:00 pm
IAD
- SJC
1 stop8h 52m
Delta
Mon 11/910:20 pm
SJC
- IAD
1 stop7h 51m
Delta
Deal found 6/7![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 6/3. 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 10/306:00 am
IAD
- SJC
1 stop8h 56m
Delta
Tue 11/310:20 pm
SJC
- IAD
1 stop7h 51m
Delta
Deal found 6/3![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 6/5. 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 6/2912:39 pm
IAD
- SJC
1 stop9h 28m
Delta
Thu 7/910:00 pm
SJC
- IAD
1 stop8h 26m
Delta
Deal found 6/5![Delta logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 7/177:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Tue 7/217:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 6/5. 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 8/196:00 am
IAD
- SJC
1 stop8h 27m
Delta
Wed 8/261:46 pm
SJC
- IAD
1 stop6h 53m
Delta
Deal found 6/5![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 6/3. 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 10/296:00 am
IAD
- SJC
1 stop8h 56m
Delta
Sun 11/111:33 am
SJC
- IAD
1 stop9h 18m
Delta
Deal found 6/3![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 6/6. 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.
Sun 8/166:00 am
IAD
- SJC
1 stop8h 22m
Delta
Thu 8/206:40 am
SJC
- IAD
1 stop8h 48m
Delta
Deal found 6/6![Delta logo]()
$362
This Delta deal was found by Cheapflights users on 6/4. 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 6/296:00 pm
IAD
- SJC
1 stop7h 57m
Delta
Wed 7/87:20 am
SJC
- IAD
2 stops13h 09m
Delta
Deal found 6/4![Delta logo]()
$478
Last-minute flights from Dulles Intl to San JoseDiscover last-minute flight deals from Dulles Intl to San Jose. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to San Jose. Data last updated June 8, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/5. 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 6/127:49 pm
IAD
- SJC
1 stop16h 37m
Alaska Airlines
Fri 7/317:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$340
This CheapOair deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:49 pm
IAD
- SJC
1 stop16h 37m
Alaska Airlines
Fri 6/198:12 pm
SJC
- IAD
1 stop19h 45m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 6/5. 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 6/205:43 pm
IAD
- SJC
1 stop7h 52m
United Airlines
Fri 7/31:10 pm
SJC
- IAD
1 stop8h 21m
United Airlines
Deal found 6/5![United Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 6/5. 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 6/296:00 pm
IAD
- SJC
1 stop7h 57m
Delta
Tue 7/1410:00 pm
SJC
- IAD
1 stop8h 26m
Delta
Deal found 6/5![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 6/4. 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 6/296:00 pm
IAD
- SJC
1 stop7h 57m
Delta
Sat 7/116:35 am
SJC
- IAD
1 stop10h 19m
Delta
Deal found 6/4![Delta logo]()
$320
This CheapOair deal was found by Cheapflights users on 6/7. 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.
Thu 7/97:49 pm
IAD
- SJC
1 stop16h 37m
Alaska Airlines
Mon 7/208:12 pm
SJC
- IAD
1 stop19h 33m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$335
This Expedia deal was found by Cheapflights users on 6/7. 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.
Wed 7/227:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Mon 7/278:12 pm
SJC
- IAD
1 stop19h 33m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$310
This CheapOair deal was found by Cheapflights users on 6/7. 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 7/247:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Tue 7/288:12 pm
SJC
- IAD
1 stop19h 33m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 6/7. 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 7/275:46 pm
IAD
- SJC
1 stop8h 03m
Delta
Thu 8/610:20 pm
SJC
- IAD
1 stop10h 13m
Delta
Deal found 6/7![Delta logo]()
$317
This CheapOair deal was found by Cheapflights users on 6/3. 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.
Wed 7/297:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Sun 8/27:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$315
This CheapOair deal was found by Cheapflights users on 6/7. 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.
Thu 7/307:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Sun 8/27:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$312
One-way flights from Dulles Intl to San JoseSearch for one-way flight options from Dulles Intl to San Jose. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
Search for one-way flight options from Dulles Intl to San Jose. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This CheapOair deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$148
This CheapOair deal was found by Cheapflights users on 6/5. 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.
Wed 9/167:00 am
IAD
- SJC
1 stop9h 17m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$153
This Expedia deal was found by Cheapflights users on 6/7. 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.
Tue 6/167:49 pm
IAD
- SJC
1 stop16h 37m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$158
This Delta deal was found by Cheapflights users on 6/7. 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 7/46:00 am
IAD
- SJC
1 stop8h 36m
Delta
Deal found 6/7![Delta logo]()
$170
This United Airlines deal was found by Cheapflights users on 6/8. 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 11/222:25 pm
IAD
- SJC
1 stop9h 46m
United Airlines
Deal found 6/8![United Airlines logo]()
$172
This CheapOair deal was found by Cheapflights users on 6/7. 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.
Sat 7/188:00 pm
IAD
- SJC
1 stop16h 26m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$173
This CheapOair deal was found by Cheapflights users on 6/8. 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 8/167:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$175
This Trip.com deal was found by Cheapflights users on 6/6. 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 7/29:55 am
IAD
- SJC
2 stops12h 42m
Frontier
Deal found 6/6![Frontier logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 10/157:00 am
IAD
- SJC
1 stop11h 52m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:38 pm
IAD
- SJC
2 stops33h 30m
Frontier
Deal found 6/4![Frontier logo]()
$188
This Delta deal was found by Cheapflights users on 6/5. 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.
Sun 10/47:10 am
IAD
- SJC
1 stop9h 52m
Delta
Deal found 6/5![Delta logo]()
$190
Find flight deals from Dulles Intl to San Jose
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to San Jose (SJC). 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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $285 (CheapOair) |
One-way from | $148 (CheapOair) |
Popular in | December |
Cheapest in | September |
Average price | $427 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to San Jose 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 June 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Jose that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Thu 10/29
6:00 am-11:56 am
1 stop8h 56m
San Jose
Thu 11/5
12:45 pm-12:20 am
1 stop8h 35m
$285
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Fri 8/21
5:42 pm-10:58 pm
1 stop8h 16m
San Jose
Sat 8/29
12:40 pm-12:34 am
1 stop8h 54m
$285
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Wed 11/4
1:00 pm-6:52 pm
1 stop8h 52m
San Jose
Mon 11/9
10:20 pm-9:11 am
1 stop7h 51m
$285
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Fri 10/30
6:00 am-11:56 am
1 stop8h 56m
San Jose
Tue 11/3
10:20 pm-9:11 am
1 stop7h 51m
$285
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Mon 6/29
12:39 pm-7:07 pm
1 stop9h 28m
San Jose
Thu 7/9
10:00 pm-9:26 am
1 stop8h 26m
$295
Quickest round-trip
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Wed 8/19
6:00 am-11:27 am
1 stop8h 27m
San Jose
Wed 8/26
1:46 pm-11:39 pm
1 stop6h 53m
$320
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Thu 10/29
6:00 am-11:56 am
1 stop8h 56m
San Jose
Sun 11/1
11:33 am-11:51 pm
1 stop9h 18m
$327
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Sun 8/16
6:00 am-11:22 am
1 stop8h 22m
San Jose
Thu 8/20
6:40 am-6:28 pm
1 stop8h 48m
$362
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Tue 6/30
7:49 pm-9:26 am
1 stop16h 37m
San Jose
Thu 7/9
7:13 am-6:45 pm
1 stop8h 32m
$399
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Tue 6/30
6:30 am-12:03 pm
1 stop8h 33m
San Jose
Thu 7/2
1:10 pm-12:31 am
1 stop8h 21m
$437
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to San Jose
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 Dulles Intl to San Jose in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-San Jose, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-San Jose, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-San Jose, California flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-San Jose, California 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 Washington, D.C. Dulles Intl Airport-San Jose, California 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 Dulles Intl to San Jose
Have a flexible travel schedule? Discover the best time to fly to San Jose from Dulles Intl with our price prediction graph.
IAD-SJC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to San Jose
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to San Jose, California?
Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to San Jose, California. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San Jose, California?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Jose, California (average of $296). Flying from Washington, D.C. Dulles Intl Airport to San Jose, California in December is currently the most expensive (average of $540). 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 Washington, D.C. Dulles Intl Airport to San Jose, California?
Reviews of airlines servicing San Jose
Get insights into the airlines that provide service to San Jose. 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 San Jose. Reviews last updated June 8, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andDelta from Washington, D.C. Dulles Intl Airport to San Jose to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Dulles Intl and San Jose flights
Browse other Dulles Intl and San Jose flight options. Last updated on June 8, 2026.
Other flights from Dulles Intl
Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on June 8, 2026.
Popular flight searches
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Other flights to San Jose
Explore flights to San Jose departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 8, 2026.
Top 4 airlines flying from Dulles Intl to San Jose
Discover the top 4 airlines that operate flights from Dulles Intl to San Jose. 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 June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$148 | Average$433 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$238 | Average$360 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$429 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$269 | Average$440 | FlexibilityNo cancel fee | On-time69% |