$136+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJC
Apr 12 — Apr 191
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 March 13, 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 March 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 4/217:00 am
IAD
- SJC
1 stop29h 30m
Alaska Airlines
Mon 4/276:15 am
SJC
- IAD
1 stop14h 54m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:37 pm
IAD
- SJC
2 stops12h 24m
Delta
Fri 5/111:35 am
SJC
- IAD
1 stop9h 20m
Delta
Deal found 3/8![Delta logo]()
$286
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
IAD
- SJC
1 stop9h 12m
American Airlines
Tue 4/2811:00 am
SJC
- IAD
1 stop9h 26m
American Airlines
Deal found 3/10![American Airlines logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 5/66:56 pm
IAD
- SJC
2 stops21h 54m
Alaska Airlines
Mon 5/116:15 am
SJC
- IAD
1 stop14h 54m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$290
This CheapOair deal was found by Cheapflights users on 3/9. 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 4/216:22 pm
IAD
- SJC
1 stop18h 22m
Alaska Airlines
Tue 4/286:43 am
SJC
- IAD
1 stop7h 58m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 3/9. 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 4/217:00 am
IAD
- SJC
2 stops12h 08m
Delta
Fri 5/16:00 pm
SJC
- IAD
2 stops13h 18m
Delta
Deal found 3/9![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 3/10. 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 5/63:00 pm
IAD
- SJC
2 stops10h 01m
Delta
Mon 5/1111:45 am
SJC
- IAD
1 stop9h 30m
Delta
Deal found 3/10![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 3/9. 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.
Wed 4/154:30 pm
IAD
- SJC
1 stop8h 25m
Southwest
Mon 4/202:45 pm
SJC
- IAD
1 stop6h 35m
Southwest
Deal found 3/9![Southwest logo]()
$294
This Delta deal was found by Cheapflights users on 3/11. 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.
Tue 4/147:06 am
IAD
- SJC
2 stops12h 02m
Delta
Sat 4/181:45 pm
SJC
- IAD
1 stop7h 42m
Delta
Deal found 3/11![Delta logo]()
$296
This Delta deal was found by Cheapflights users on 3/10. 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.
Tue 4/146:00 am
IAD
- SJC
2 stops13h 08m
Delta
Tue 4/217:20 am
SJC
- IAD
2 stops13h 24m
Delta
Deal found 3/10![Delta logo]()
$298
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 5/77:10 am
IAD
- SJC
1 stop9h 40m
Alaska Airlines
Mon 5/116:15 am
SJC
- IAD
1 stop20h 35m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$301
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 March 13, 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 March 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 5/66:56 pm
IAD
- SJC
2 stops21h 54m
Alaska Airlines
Mon 5/116:15 am
SJC
- IAD
1 stop14h 54m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 3/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:55 am
IAD
- SJC
2 stops10h 25m
Southwest
Tue 5/121:35 pm
SJC
- IAD
1 stop7h 05m
Southwest
Deal found 3/7![Southwest logo]()
$299
This Delta deal was found by Cheapflights users on 3/11. 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 5/67:06 am
IAD
- SJC
2 stops12h 53m
Delta
Sun 5/107:36 am
SJC
- IAD
1 stop13h 39m
Delta
Deal found 3/11![Delta logo]()
$328
This Southwest deal was found by Cheapflights users on 3/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:30 pm
IAD
- SJC
2 stops9h 30m
Southwest
Wed 4/299:05 am
SJC
- IAD
2 stops11h 35m
Southwest
Deal found 3/7![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 3/7. 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.
Fri 7/34:00 pm
IAD
- SJC
1 stop9h 53m
Delta
Mon 7/610:56 pm
SJC
- IAD
2 stops12h 48m
Delta
Deal found 3/7![Delta logo]()
$343
This Southwest deal was found by Cheapflights users on 3/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:55 am
IAD
- SJC
2 stops8h 50m
Southwest
Sun 5/32:35 pm
SJC
- IAD
1 stop7h 05m
Southwest
Deal found 3/11![Southwest logo]()
$342
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 am
IAD
- SJC
1 stop18h 36m
Delta
Sun 5/107:36 am
SJC
- IAD
1 stop13h 39m
Delta
Deal found 3/11![Delta logo]()
$355
This Southwest deal was found by Cheapflights users on 3/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:30 am
IAD
- SJC
1 stop7h 10m
Southwest
Tue 6/2311:25 am
SJC
- IAD
2 stops10h 25m
Southwest
Deal found 3/7![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 3/10. 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 5/233:08 pm
IAD
- SJC
1 stop10h 47m
Delta
Tue 8/181:15 pm
SJC
- IAD
1 stop7h 14m
Delta
Deal found 3/10![Delta logo]()
$378
This Southwest deal was found by Cheapflights users on 3/9. 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.
Wed 4/86:20 am
IAD
- SJC
2 stops11h 10m
Southwest
Mon 4/132:45 pm
SJC
- IAD
1 stop6h 35m
Southwest
Deal found 3/9![Southwest logo]()
$363
Last-minute flights from Dulles Intl to San JoseDiscover last-minute flight deals from Dulles Intl to San Jose. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to San Jose. Data last updated March 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/10. 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.
Tue 4/146:00 am
IAD
- SJC
2 stops13h 08m
Delta
Tue 4/2111:35 am
SJC
- IAD
1 stop9h 20m
Delta
Deal found 3/10![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 3/11. 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.
Tue 4/147:06 am
IAD
- SJC
2 stops12h 02m
Delta
Sat 4/181:45 pm
SJC
- IAD
1 stop7h 42m
Delta
Deal found 3/11![Delta logo]()
$296
This Southwest deal was found by Cheapflights users on 3/9. 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.
Wed 4/154:30 pm
IAD
- SJC
1 stop8h 25m
Southwest
Mon 4/202:45 pm
SJC
- IAD
1 stop6h 35m
Southwest
Deal found 3/9![Southwest logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 4/217:00 am
IAD
- SJC
1 stop29h 30m
Alaska Airlines
Mon 4/276:15 am
SJC
- IAD
1 stop14h 54m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$285
This CheapOair deal was found by Cheapflights users on 3/9. 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 4/216:22 pm
IAD
- SJC
1 stop18h 22m
Alaska Airlines
Tue 4/286:43 am
SJC
- IAD
1 stop7h 58m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 3/9. 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 4/217:00 am
IAD
- SJC
2 stops12h 08m
Delta
Fri 5/16:00 pm
SJC
- IAD
2 stops13h 18m
Delta
Deal found 3/9![Delta logo]()
$292
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
IAD
- SJC
1 stop9h 12m
American Airlines
Tue 4/2811:00 am
SJC
- IAD
1 stop9h 26m
American Airlines
Deal found 3/10![American Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
IAD
- SJC
1 stop11h 00m
Delta
Mon 4/2711:00 pm
SJC
- IAD
1 stop9h 42m
Delta
Deal found 3/8![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:37 pm
IAD
- SJC
2 stops12h 24m
Delta
Fri 5/111:35 am
SJC
- IAD
1 stop9h 20m
Delta
Deal found 3/8![Delta logo]()
$286
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:50 am
IAD
- SJC
2 stops12h 20m
Southwest
Wed 4/299:45 am
SJC
- IAD
2 stops10h 55m
Southwest
Deal found 3/10![Southwest logo]()
$301
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 March 13, 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 March 13, 2026.
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:00 pm
IAD
- SJC
1 stop9h 45m
Delta
Deal found 3/8![Delta logo]()
$136
This Southwest deal was found by Cheapflights users on 3/9. 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.
Sat 4/255:50 am
IAD
- SJC
2 stops12h 20m
Southwest
Deal found 3/9![Southwest logo]()
$141
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
IAD
- SJC
1 stop9h 12m
American Airlines
Deal found 3/10![American Airlines logo]()
$142
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 4/212:21 pm
IAD
- SJC
1 stop9h 46m
United Airlines
Deal found 3/10![United Airlines logo]()
$146
This Expedia deal was found by Cheapflights users on 3/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:10 am
IAD
- SJC
1 stop29h 20m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$148
This Delta deal was found by Cheapflights users on 3/10. 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 4/153:00 pm
IAD
- SJC
2 stops11h 42m
Delta
Deal found 3/10![Delta logo]()
$151
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 4/276:47 pm
IAD
- SJC
2 stops22h 03m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$154
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:35 pm
IAD
- SJC
1 stop9h 34m
United Airlines
Deal found 3/9![United Airlines logo]()
$159
This Priceline deal was found by Cheapflights users on 3/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:59 am
IAD
- SJC
1 stop12h 03m
Frontier
Deal found 3/12![Frontier logo]()
$161
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:14 am
IAD
- SJC
1 stop10h 28m
American Airlines
Deal found 3/10![American Airlines logo]()
$162
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:59 am
IAD
- SJC
2 stops13h 44m
American Airlines
Deal found 3/9![American Airlines logo]()
$164
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:15 am
IAD
- SJC
1 stop10h 20m
American Airlines
Deal found 3/9![American Airlines logo]()
$165
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 March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $285 (Alaska Airlines) |
One-way from | $136 (Delta) |
Popular in | December |
Cheapest in | September |
Average price | $418 |
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 March 13, 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
Wed 5/6
6:56 pm-1:50 pm
2 stops21h 54m
San Jose
Mon 5/11
6:15 am-12:09 am
1 stop14h 54m
$290
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Thu 5/7
5:55 am-1:20 pm
2 stops10h 25m
San Jose
Tue 5/12
1:35 pm-11:40 pm
1 stop7h 05m
$299
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Wed 4/22
4:30 pm-11:00 pm
2 stops9h 30m
San Jose
Wed 4/29
9:05 am-11:40 pm
2 stops11h 35m
$304
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Wed 5/6
7:06 am-4:59 pm
2 stops12h 53m
San Jose
Sun 5/10
7:36 am-12:15 am
1 stop13h 39m
$328
Quickest round-trip
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Thu 4/30
5:55 am-11:45 am
2 stops8h 50m
San Jose
Sun 5/3
2:35 pm-12:40 am
1 stop7h 05m
$342
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Fri 7/3
4:00 pm-10:53 pm
1 stop9h 53m
San Jose
Mon 7/6
10:56 pm-2:44 pm
2 stops12h 48m
$343
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Fri 5/8
7:00 am-10:36 pm
1 stop18h 36m
San Jose
Sun 5/10
7:36 am-12:15 am
1 stop13h 39m
$355
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Wed 6/17
5:30 am-9:40 am
1 stop7h 10m
San Jose
Tue 6/23
11:25 am-12:50 am
2 stops10h 25m
$357
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Wed 4/8
6:20 am-2:30 pm
2 stops11h 10m
San Jose
Mon 4/13
2:45 pm-12:20 am
1 stop6h 35m
$363
Washington, D.C.San Jose
IAD - SJC
IADSJC
Washington, D.C. Dulles Intl
Sat 5/23
3:08 pm-10:55 pm
1 stop10h 47m
San Jose
Tue 8/18
1:15 pm-11:29 pm
1 stop7h 14m
$378
Showing 1-10 of 19 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 March.
| 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?
Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to San Jose. Price data was last updated on March 6, 2026.
Booking 57 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 $188). Flying from Washington, D.C. Dulles Intl Airport to San Jose, California in June is currently the most expensive (average of $276). 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.
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 March 13, 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.
Food
7.1
Comfort
7.8
Overall
8.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Comfort
7.8
Overall
8.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Comfort
7.8
Overall
8.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Comfort
7.8
Overall
8.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Comfort
7.8
Overall
8.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Comfort
7.8
Overall
8.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
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 March 13, 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 March 13, 2026.
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Other flights to San Jose
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Top 5 airlines flying from Dulles Intl to San Jose
Discover the top 5 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 March 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$184 | Average$394 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$224 | Average$353 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$242 | Average$369 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$266 | Average$383 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$364 | FlexibilityNo cancel fee | On-timeN/A |