$116+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJC
May 27 — Jun 31
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to San Jose with Cheapflights
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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 April 27, 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 April 27, 2026.
This Expedia deal was found by Cheapflights users on 4/25. 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.
Sat 5/237:37 pm
IAD
- SJC
1 stop17h 08m
Alaska Airlines
Wed 5/272:34 pm
SJC
- IAD
1 stop14h 00m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$295
This Expedia deal was found by Cheapflights users on 4/25. 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 6/47:37 pm
IAD
- SJC
1 stop17h 08m
Multiple Airlines
Thu 6/112:12 pm
SJC
- IAD
1 stop15h 13m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Fri 5/296:30 am
IAD
- SJC
1 stop9h 54m
United Airlines
Mon 6/16:37 pm
SJC
- IAD
1 stop7h 50m
United Airlines
Deal found 4/24![United Airlines logo]()
$300
This CheapOair deal was found by Cheapflights users on 4/23. 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 5/297:37 pm
IAD
- SJC
1 stop17h 08m
Alaska Airlines
Wed 6/36:00 pm
SJC
- IAD
1 stop10h 34m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 4/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:30 pm
IAD
- SJC
1 stop10h 25m
Southwest
Mon 6/12:45 pm
SJC
- IAD
1 stop6h 35m
Southwest
Deal found 4/26![Southwest logo]()
$302
This Expedia deal was found by Cheapflights users on 4/23. 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.
Sat 5/306:00 am
IAD
- SJC
1 stop9h 20m
Multiple Airlines
Thu 6/112:12 pm
SJC
- IAD
1 stop15h 13m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 5/246:00 am
IAD
- SJC
1 stop9h 20m
Alaska Airlines
Tue 6/26:00 pm
SJC
- IAD
1 stop10h 34m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$305
This Expedia deal was found by Cheapflights users on 4/25. 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.
Sun 7/269:50 am
IAD
- SJC
1 stop30h 27m
Multiple Airlines
Wed 7/295:02 pm
SJC
- IAD
1 stop22h 43m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 4/22. 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
2 stops11h 19m
Delta
Tue 7/147:21 am
SJC
- IAD
1 stop13h 38m
Delta
Deal found 4/22![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 4/25. 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 9/86:30 am
IAD
- SJC
1 stop8h 34m
United Airlines
Sun 9/136:37 pm
SJC
- IAD
1 stop7h 48m
United Airlines
Deal found 4/25![United Airlines logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 7/17:49 pm
IAD
- SJC
1 stop16h 37m
Alaska Airlines
Tue 7/73:15 pm
SJC
- IAD
1 stop24h 30m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 4/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:55 am
IAD
- SJC
2 stops8h 50m
Southwest
Tue 6/211:25 am
SJC
- IAD
2 stops9h 15m
Southwest
Deal found 4/23![Southwest logo]()
$318
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 April 27, 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 April 27, 2026.
This Delta deal was found by Cheapflights users on 4/25. 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 10/201:00 pm
IAD
- SJC
1 stop8h 52m
Delta
Sun 10/2512:45 pm
SJC
- IAD
1 stop8h 20m
Delta
Deal found 4/25![Delta logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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 7/37:49 pm
IAD
- SJC
1 stop16h 37m
Alaska Airlines
Mon 7/68:12 pm
SJC
- IAD
1 stop19h 33m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 4/23. 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 6/135:38 pm
IAD
- SJC
1 stop7h 52m
United Airlines
Sun 6/286:37 pm
SJC
- IAD
1 stop7h 50m
United Airlines
Deal found 4/23![United Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 4/23. 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 5/126:00 am
IAD
- SJC
2 stops11h 11m
Delta
Fri 5/1510:00 pm
SJC
- IAD
1 stop8h 58m
Delta
Deal found 4/23![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 4/25. 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 7/263:15 pm
IAD
- SJC
1 stop10h 34m
Delta
Wed 7/295:01 pm
SJC
- IAD
2 stops14h 17m
Delta
Deal found 4/25![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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 5/286:00 am
IAD
- SJC
1 stop9h 20m
Alaska Airlines
Mon 6/16:00 pm
SJC
- IAD
1 stop10h 34m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 4/24. 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 7/76:00 am
IAD
- SJC
2 stops12h 47m
Delta
Wed 7/151:43 pm
SJC
- IAD
1 stop6h 46m
Delta
Deal found 4/24![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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 7/296:03 am
IAD
- SJC
1 stop10h 17m
Alaska Airlines
Thu 8/67:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 4/26. 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 5/234:24 pm
IAD
- SJC
1 stop9h 31m
Delta
Tue 8/187:00 am
SJC
- IAD
2 stops11h 18m
Delta
Deal found 4/26![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 4/24. 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 5/197:00 am
IAD
- SJC
1 stop10h 11m
Delta
Sat 5/307:10 am
SJC
- IAD
1 stop9h 52m
Delta
Deal found 4/24![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 4/23. 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 5/206:08 am
IAD
- SJC
2 stops12h 24m
Delta
Wed 5/2712:12 pm
SJC
- IAD
1 stop9h 39m
Delta
Deal found 4/23![Delta logo]()
$433
This Delta deal was found by Cheapflights users on 4/26. 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 7/36:00 am
IAD
- SJC
1 stop8h 36m
Delta
Mon 7/67:10 pm
SJC
- IAD
2 stops12h 08m
Delta
Deal found 4/26![Delta logo]()
$436
Last-minute flights from Dulles Intl to San JoseDiscover last-minute flight deals from Dulles Intl to San Jose. Data last updated April 27, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to San Jose. Data last updated April 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/23. 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 5/126:00 am
IAD
- SJC
2 stops11h 11m
Delta
Fri 5/1510:00 pm
SJC
- IAD
1 stop8h 58m
Delta
Deal found 4/23![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 4/24. 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 5/195:31 pm
IAD
- SJC
1 stop8h 24m
Delta
Wed 5/2712:12 pm
SJC
- IAD
1 stop9h 39m
Delta
Deal found 4/24![Delta logo]()
$322
This Delta deal was found by Cheapflights users on 4/23. 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 5/193:08 pm
IAD
- SJC
1 stop10h 47m
Delta
Sun 5/249:40 am
SJC
- IAD
2 stops10h 16m
Delta
Deal found 4/23![Delta logo]()
$327
This Expedia deal was found by Cheapflights users on 4/25. 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.
Sat 5/237:37 pm
IAD
- SJC
1 stop17h 08m
Alaska Airlines
Wed 5/272:34 pm
SJC
- IAD
1 stop14h 00m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 5/246:00 am
IAD
- SJC
1 stop10h 40m
Alaska Airlines
Wed 6/38:15 pm
SJC
- IAD
1 stop8h 19m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$305
This CheapOair deal was found by Cheapflights users on 4/22. 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 5/287:37 pm
IAD
- SJC
1 stop17h 08m
Alaska Airlines
Tue 6/25:09 pm
SJC
- IAD
1 stop21h 33m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 4/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:55 am
IAD
- SJC
2 stops8h 50m
Southwest
Tue 6/211:25 am
SJC
- IAD
2 stops9h 15m
Southwest
Deal found 4/23![Southwest logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/2811:07 am
IAD
- SJC
2 stops29h 10m
Frontier
Mon 6/12:12 pm
SJC
- IAD
1 stop15h 00m
Frontier
Deal found 4/23![Frontier logo]()
$325
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Fri 5/296:30 am
IAD
- SJC
1 stop9h 54m
United Airlines
Mon 6/16:37 pm
SJC
- IAD
1 stop7h 50m
United Airlines
Deal found 4/24![United Airlines logo]()
$300
This CheapOair deal was found by Cheapflights users on 4/23. 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 5/297:37 pm
IAD
- SJC
1 stop17h 08m
Alaska Airlines
Wed 6/36:00 pm
SJC
- IAD
1 stop10h 34m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 4/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:30 pm
IAD
- SJC
1 stop10h 25m
Southwest
Mon 6/12:45 pm
SJC
- IAD
1 stop6h 35m
Southwest
Deal found 4/26![Southwest logo]()
$302
This Expedia deal was found by Cheapflights users on 4/23. 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.
Sat 5/306:00 am
IAD
- SJC
1 stop9h 20m
Multiple Airlines
Thu 6/112:12 pm
SJC
- IAD
1 stop15h 13m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$303
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 April 27, 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 April 27, 2026.
This CheapOair deal was found by Cheapflights users on 4/22. 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 5/309:12 am
IAD
- SJC
1 stop25h 24m
Frontier
Deal found 4/22![Frontier logo]()
$116
This United Airlines deal was found by Cheapflights users on 4/23. 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 8/246:30 am
IAD
- SJC
1 stop8h 34m
United Airlines
Deal found 4/23![United Airlines logo]()
$122
This CheapOair deal was found by Cheapflights users on 4/26. 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 7/19:55 am
IAD
- SJC
1 stop30h 22m
Frontier
Deal found 4/26![Frontier logo]()
$125
This Delta deal was found by Cheapflights users on 4/22. 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 5/136:00 am
IAD
- SJC
1 stop9h 18m
Delta
Deal found 4/22![Delta logo]()
$129
This CheapOair deal was found by Cheapflights users on 4/26. 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 7/89:50 am
IAD
- SJC
1 stop30h 27m
Frontier
Deal found 4/26![Frontier logo]()
$131
This Delta deal was found by Cheapflights users on 4/24. 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 6/33:08 pm
IAD
- SJC
1 stop10h 47m
Delta
Deal found 4/24![Delta logo]()
$133
This Delta deal was found by Cheapflights users on 4/23. 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 6/53:08 pm
IAD
- SJC
2 stops10h 06m
Delta
Deal found 4/23![Delta logo]()
$134
This Delta deal was found by Cheapflights users on 4/25. 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 6/812:37 pm
IAD
- SJC
2 stops12h 39m
Delta
Deal found 4/25![Delta logo]()
$138
This Trip.com deal was found by Cheapflights users on 4/23. 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 6/47:45 am
IAD
- SJC
2 stops31h 14m
Frontier
Deal found 4/23![Frontier logo]()
$145
This CheapOair deal was found by Cheapflights users on 4/26. 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 5/267:37 pm
IAD
- SJC
1 stop17h 08m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$148
This Expedia deal was found by Cheapflights users on 4/23. 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 6/129:55 am
IAD
- SJC
1 stop30h 22m
Frontier
Deal found 4/23![Frontier logo]()
$151
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Sun 5/246:00 am
IAD
- SJC
1 stop9h 20m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$153
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 April 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $295 (Expedia) |
One-way from | $116 (CheapOair) |
Popular in | December |
Cheapest in | September |
Average price | $450 |
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 April 27, 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
Tue 10/20
1:00 pm-6:52 pm
1 stop8h 52m
San Jose
Sun 10/25
12:45 pm-12:05 am
1 stop8h 20m
$322
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Tue 5/12
6:00 am-2:11 pm
2 stops11h 11m
San Jose
Fri 5/15
10:00 pm-9:58 am
1 stop8h 58m
$323
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Sun 7/26
3:15 pm-10:49 pm
1 stop10h 34m
San Jose
Wed 7/29
5:01 pm-10:18 am
2 stops14h 17m
$327
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Tue 7/7
6:00 am-3:47 pm
2 stops12h 47m
San Jose
Wed 7/15
1:43 pm-11:29 pm
1 stop6h 46m
$327
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Fri 7/3
7:49 pm-9:26 am
1 stop16h 37m
San Jose
Mon 7/6
8:12 pm-6:45 pm
1 stop19h 33m
$361
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Thu 5/28
6:00 am-12:20 pm
1 stop9h 20m
San Jose
Mon 6/1
6:00 pm-7:34 am
1 stop10h 34m
$375
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Sat 5/23
4:24 pm-10:55 pm
1 stop9h 31m
San Jose
Tue 8/18
7:00 am-9:18 pm
2 stops11h 18m
$377
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Tue 5/19
7:00 am-2:11 pm
1 stop10h 11m
San Jose
Sat 5/30
7:10 am-8:02 pm
1 stop9h 52m
$379
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Wed 7/29
6:03 am-1:20 pm
1 stop10h 17m
San Jose
Thu 8/6
7:13 am-6:45 pm
1 stop8h 32m
$405
Quickest round-trip
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Sat 6/13
5:38 pm-10:30 pm
1 stop7h 52m
San Jose
Sun 6/28
6:37 pm-5:27 am
1 stop7h 50m
$425
Showing 1-10 of 21 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 April.
| 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 61 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 $289). 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 April 27, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, 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.
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 April 27, 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 April 27, 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 April 27, 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 April 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$148 | Average$418 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$242 | Average$370 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$264 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$389 | FlexibilityNo cancel fee | On-timeN/A |