$126+ Cheap flights from San Jose, CA (SJC) to Dulles Intl (IAD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — IAD
Mar 20 — Mar 271
1 adult, Economy
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Find cheap flights from San Jose to Dulles Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from San Jose to Dulles IntlExplore the most affordable flight options available from San Jose to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
Explore the most affordable flight options available from San Jose to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
This CheapOair deal was found by Cheapflights users on 2/17. 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 3/107:00 am
SJC
- IAD
1 stop7h 27m
Alaska Airlines
Wed 3/116:20 pm
IAD
- SJC
1 stop18h 27m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$251
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:40 am
SJC
- IAD
1 stop9h 09m
Delta
Tue 4/73:35 pm
IAD
- SJC
1 stop8h 58m
Delta
Deal found 2/16![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/118:35 pm
SJC
- IAD
2 stops9h 35m
Delta
Tue 3/177:20 am
IAD
- SJC
1 stop8h 11m
Delta
Deal found 2/16![Delta logo]()
$262
This CheapOair deal was found by Cheapflights users on 2/17. 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 3/102:50 pm
SJC
- IAD
1 stop23h 37m
Alaska Airlines
Tue 3/177:05 am
IAD
- SJC
2 stops14h 47m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$272
This CheapOair deal was found by Cheapflights users on 2/18. 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 3/1012:45 pm
SJC
- IAD
1 stop25h 42m
Alaska Airlines
Fri 3/136:20 pm
IAD
- SJC
1 stop18h 27m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 2/17. 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 3/171:25 pm
SJC
- IAD
1 stop8h 02m
Delta
Thu 4/27:00 am
IAD
- SJC
1 stop10h 57m
Delta
Deal found 2/17![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 2/18. 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.
Mon 5/112:45 pm
SJC
- IAD
1 stop6h 35m
Southwest
Tue 5/124:30 pm
IAD
- SJC
2 stops9h 30m
Southwest
Deal found 2/18![Southwest logo]()
$279
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:35 pm
SJC
- IAD
2 stops9h 35m
Delta
Mon 3/233:35 pm
IAD
- SJC
1 stop8h 58m
Delta
Deal found 2/15![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 2/17. 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 4/248:20 pm
SJC
- IAD
2 stops10h 58m
Delta
Wed 4/2912:12 pm
IAD
- SJC
2 stops12h 49m
Delta
Deal found 2/17![Delta logo]()
$287
This Orbitz deal was found by Cheapflights users on 2/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:44 pm
SJC
- IAD
2 stops14h 06m
Alaska Airlines
Thu 4/309:00 am
IAD
- SJC
1 stop12h 49m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1610:50 pm
SJC
- IAD
1 stop7h 20m
Delta
Mon 3/233:35 pm
IAD
- SJC
1 stop8h 58m
Delta
Deal found 2/15![Delta logo]()
$297
Best flights from San Jose to Dulles IntlDiscover carefully curated flight deals from San Jose to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
Discover carefully curated flight deals from San Jose to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
This Southwest deal was found by Cheapflights users on 2/17. 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 3/116:00 am
SJC
- IAD
1 stop6h 55m
Southwest
Tue 3/174:45 pm
IAD
- SJC
1 stop8h 25m
Southwest
Deal found 2/17![Southwest logo]()
$251
This Delta deal was found by Cheapflights users on 2/18. 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 3/171:25 pm
SJC
- IAD
1 stop8h 02m
Delta
Thu 3/197:00 am
IAD
- SJC
1 stop10h 57m
Delta
Deal found 2/18![Delta logo]()
$277
This CheapOair deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:44 pm
SJC
- IAD
1 stop12h 06m
Alaska Airlines
Tue 5/196:42 pm
IAD
- SJC
1 stop7h 55m
Alaska Airlines
Deal found 2/14![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:25 pm
SJC
- IAD
1 stop8h 02m
Delta
Mon 3/233:35 pm
IAD
- SJC
1 stop8h 58m
Delta
Deal found 2/15![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:00 am
SJC
- IAD
1 stop7h 54m
Alaska Airlines
Tue 8/46:55 pm
IAD
- SJC
1 stop7h 39m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1610:50 pm
SJC
- IAD
1 stop7h 20m
Delta
Mon 3/233:35 pm
IAD
- SJC
1 stop8h 58m
Delta
Deal found 2/15![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:25 pm
SJC
- IAD
1 stop8h 02m
Delta
Sat 3/217:00 am
IAD
- SJC
1 stop13h 31m
Delta
Deal found 2/15![Delta logo]()
$300
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:00 pm
SJC
- IAD
1 stop7h 15m
Delta
Wed 4/227:00 am
IAD
- SJC
1 stop11h 00m
Delta
Deal found 2/15![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 2/17. 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 3/2410:50 pm
SJC
- IAD
1 stop10h 02m
Delta
Wed 4/13:35 pm
IAD
- SJC
1 stop8h 58m
Delta
Deal found 2/17![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:15 am
SJC
- IAD
2 stops12h 44m
Delta
Tue 3/243:35 pm
IAD
- SJC
1 stop8h 58m
Delta
Deal found 2/15![Delta logo]()
$313
Last-minute flights from San Jose to Dulles IntlDiscover last-minute flight deals from San Jose to Dulles Intl. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Dulles Intl. Data last updated February 18, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:35 pm
SJC
- IAD
2 stops12h 17m
Delta
Tue 3/177:20 am
IAD
- SJC
2 stops13h 05m
Delta
Deal found 2/16![Delta logo]()
$287
This CheapOair deal was found by Cheapflights users on 2/17. 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 3/107:00 am
SJC
- IAD
1 stop7h 27m
Alaska Airlines
Wed 3/116:20 pm
IAD
- SJC
1 stop18h 27m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$251
This CheapOair deal was found by Cheapflights users on 2/17. 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 3/102:50 pm
SJC
- IAD
1 stop23h 37m
Alaska Airlines
Tue 3/177:05 am
IAD
- SJC
2 stops14h 47m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$272
This CheapOair deal was found by Cheapflights users on 2/18. 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 3/1012:45 pm
SJC
- IAD
1 stop25h 42m
Alaska Airlines
Fri 3/136:20 pm
IAD
- SJC
1 stop18h 27m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/118:35 pm
SJC
- IAD
2 stops9h 35m
Delta
Tue 3/177:20 am
IAD
- SJC
1 stop8h 11m
Delta
Deal found 2/16![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 2/17. 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 3/1610:50 pm
SJC
- IAD
1 stop7h 20m
Delta
Thu 4/27:00 am
IAD
- SJC
1 stop10h 57m
Delta
Deal found 2/17![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:35 pm
SJC
- IAD
2 stops9h 35m
Delta
Mon 3/233:35 pm
IAD
- SJC
1 stop8h 58m
Delta
Deal found 2/15![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 2/17. 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 3/171:25 pm
SJC
- IAD
1 stop8h 02m
Delta
Thu 4/27:00 am
IAD
- SJC
1 stop10h 57m
Delta
Deal found 2/17![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:35 pm
SJC
- IAD
2 stops9h 35m
Delta
Mon 3/233:35 pm
IAD
- SJC
1 stop8h 58m
Delta
Deal found 2/15![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:15 am
SJC
- IAD
1 stop13h 34m
Delta
Tue 4/73:35 pm
IAD
- SJC
1 stop8h 58m
Delta
Deal found 2/16![Delta logo]()
$300
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:40 am
SJC
- IAD
1 stop9h 09m
Delta
Tue 4/73:35 pm
IAD
- SJC
1 stop8h 58m
Delta
Deal found 2/16![Delta logo]()
$257
One-way flights from San Jose to Dulles IntlSearch for one-way flight options from San Jose to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
Search for one-way flight options from San Jose to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:19 pm
SJC
- IAD
1 stop8h 09m
United Airlines
Deal found 2/16![United Airlines logo]()
$126
This Delta deal was found by Cheapflights users on 2/18. 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 4/111:40 am
SJC
- IAD
1 stop9h 09m
Delta
Deal found 2/18![Delta logo]()
$129
This CheapOair deal was found by Cheapflights users on 2/17. 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 5/22:51 pm
SJC
- IAD
1 stop23h 50m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$131
This Delta deal was found by Cheapflights users on 2/17. 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 4/226:00 pm
SJC
- IAD
2 stops13h 18m
Delta
Deal found 2/17![Delta logo]()
$134
This American Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:00 am
SJC
- IAD
2 stops11h 30m
American Airlines
Deal found 2/16![American Airlines logo]()
$136
This CheapOair deal was found by Cheapflights users on 2/17. 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 4/286:43 am
SJC
- IAD
2 stops14h 26m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$147
This United Airlines deal was found by Cheapflights users on 2/17. 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 6/21:10 pm
SJC
- IAD
1 stop8h 21m
United Airlines
Deal found 2/17![United Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/1810:55 pm
SJC
- IAD
1 stop9h 54m
United Airlines
Deal found 2/17![United Airlines logo]()
$151
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:00 pm
SJC
- IAD
2 stops14h 42m
Delta
Deal found 2/16![Delta logo]()
$154
This Southwest deal was found by Cheapflights users on 2/18. 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 4/811:15 am
SJC
- IAD
2 stops9h 25m
Southwest
Deal found 2/18![Southwest logo]()
$164
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 3/237:15 pm
SJC
- IAD
2 stops12h 45m
American Airlines
Deal found 2/18![American Airlines logo]()
$170
Find flight deals from San Jose to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $251 (CheapOair) |
One-way from | $126 (United Airlines) |
Popular in | February |
Cheapest in | September |
Average price | $499 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Jose to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from San Jose to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
San Jose
Fly to
Dulles Intl
Route
Depart
Return
Price
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Wed 3/11
6:00 am-3:55 pm
1 stop6h 55m
Washington, D.C. Dulles Intl
Tue 3/17
4:45 pm-10:10 pm
1 stop8h 25m
$251
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Tue 3/17
1:25 pm-12:27 am
1 stop8h 02m
Washington, D.C. Dulles Intl
Thu 3/19
7:00 am-2:57 pm
1 stop10h 57m
$277
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Tue 3/17
1:25 pm-12:27 am
1 stop8h 02m
Washington, D.C. Dulles Intl
Mon 3/23
3:35 pm-9:33 pm
1 stop8h 58m
$277
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Wed 4/29
2:44 pm-5:50 am
1 stop12h 06m
Washington, D.C. Dulles Intl
Tue 5/19
6:42 pm-11:37 pm
1 stop7h 55m
$297
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Tue 7/28
7:00 am-5:54 pm
1 stop7h 54m
Washington, D.C. Dulles Intl
Tue 8/4
6:55 pm-11:34 pm
1 stop7h 39m
$297
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Mon 3/16
10:50 pm-9:10 am
1 stop7h 20m
Washington, D.C. Dulles Intl
Mon 3/23
3:35 pm-9:33 pm
1 stop8h 58m
$297
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Tue 3/17
1:25 pm-12:27 am
1 stop8h 02m
Washington, D.C. Dulles Intl
Sat 3/21
7:00 am-5:31 pm
1 stop13h 31m
$300
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Sun 4/19
11:00 pm-9:15 am
1 stop7h 15m
Washington, D.C. Dulles Intl
Wed 4/22
7:00 am-3:00 pm
1 stop11h 00m
$308
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Tue 3/24
10:50 pm-11:52 am
1 stop10h 02m
Washington, D.C. Dulles Intl
Wed 4/1
3:35 pm-9:33 pm
1 stop8h 58m
$308
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Wed 3/18
7:15 am-10:59 pm
2 stops12h 44m
Washington, D.C. Dulles Intl
Tue 3/24
3:35 pm-9:33 pm
1 stop8h 58m
$313
Showing 1-10 of 21 results
Compare providers for flights from San Jose to Dulles Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to Dulles Intl in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Jose, California-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Jose, California-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Jose to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Jose with our price prediction graph.
SJC-IAD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Jose to Washington, D.C. Dulles Intl Airport
How far ahead should I book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from San Jose to Dulles Intl. Price data was last updated on February 13, 2026.
The price you pay for your flight from San Jose, California to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport?
Currently, May is the cheapest month in which you can book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport (average of $118). Flying from San Jose, California to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $260). 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 Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated February 18, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from San Jose to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Overall
8.0
Crew
8.5
Boarding
8.1
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Overall
8.0
Crew
8.5
Boarding
8.1
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Overall
8.0
Crew
8.5
Boarding
8.1
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Overall
8.0
Crew
8.5
Boarding
8.1
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Overall
8.0
Crew
8.5
Boarding
8.1
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Overall
8.0
Crew
8.5
Boarding
8.1
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from San Jose to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Manassas
Bowie
Largo
McLean
Clinton
Towson
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Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 18, 2026.
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San Jose and Dulles Intl flights
Browse other San Jose and Dulles Intl flight options. Last updated on February 18, 2026.
Other flights from San Jose
Browse through other flights departing from San Jose. Flights are based on user searches made on Cheapflights and were last updated on February 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from San Jose to Dulles Intl
Discover the top 5 airlines that operate flights from San Jose to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$293 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$377 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$276 | Average$408 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$276 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$376 | FlexibilityNo cancel fee | On-timeN/A |