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Cheap flights from San Diego to Washington, D.C. from $72

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Washington, D.C. departing on 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Frontier Logo
7:04 pm - 6:34 amSAN-IAD
8h 30m1 stop
Frontier Logo
6:14 am - 10:22 pmIAD-SAN
19h 08m1 stop
$202Frontier
Find Deal
Thu, Aug 14 - Tue, Aug 19
Frontier Logo
7:04 pm - 6:34 amSAN-IAD
8h 30m1 stop
Frontier Logo
7:30 am - 12:04 pmIAD-SAN
7h 34m1 stop
$204Frontier
Find Deal
Thu, Jul 24 - Mon, Jul 28
Frontier Logo
7:06 pm - 6:34 amSAN-IAD
8h 28m1 stop
Frontier Logo
8:00 am - 8:04 pmIAD-SAN
15h 04m1 stop
$215Frontier
Find Deal
Sat, Aug 16 - Sat, Aug 23
Hawaiian Airlines Logo
8:33 am - 4:47 pmSAN-IAD
5h 14mnonstop
Hawaiian Airlines Logo
5:52 pm - 8:19 pmIAD-SAN
5h 27mnonstop
$222Hawaiian Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 2
Hawaiian Airlines Logo
8:33 am - 4:47 pmSAN-IAD
5h 14mnonstop
Hawaiian Airlines Logo
5:52 pm - 8:19 pmIAD-SAN
5h 27mnonstop
$223Hawaiian Airlines
Find Deal
Sat, Aug 30 - Sat, Sep 6
Alaska Airlines Logo
9:30 am - 12:23 amSAN-IAD
11h 53m1 stop
Alaska Airlines Logo
6:09 pm - 10:20 amIAD-SAN
19h 11m1 stop
$256Alaska Airlines
Find Deal
Wed, Sep 24 - Sat, Sep 27
United Airlines Logo
11:58 am - 10:18 pmSAN-IAD
7h 20m1 stop
United Airlines Logo
12:40 pm - 2:54 pmIAD-SAN
5h 14mnonstop
$263United Airlines
Find Deal
Wed, Aug 6 - Wed, Aug 13
Alaska Airlines Logo
8:33 am - 4:52 pmSAN-IAD
5h 19mnonstop
Alaska Airlines Logo
5:52 pm - 8:19 pmIAD-SAN
5h 27mnonstop
$271Alaska Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 2
United Airlines Logo
11:58 am - 10:18 pmSAN-IAD
7h 20m1 stop
United Airlines Logo
10:25 am - 2:56 pmIAD-SAN
7h 31m1 stop
$272United Airlines
Find Deal
Thu, Aug 7 - Sat, Sep 6
Delta Logo
10:10 pm - 11:50 amSAN-IAD
10h 40m1 stop
Delta Logo
5:00 pm - 9:51 pmIAD-SAN
7h 51m1 stop
$287Delta
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Fri, Oct 10 - Tue, Oct 14

Frontier flights from San Diego to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on San Diego to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Jul 22
SAN7:04 pmSan Diego
8h 30m
1 stop
IAD6:34 amWashington, D.C. Dulles Intl
Jul 28
IAD7:30 amWashington, D.C. Dulles Intl
7h 34m
1 stop
SAN12:04 pmSan Diego
$188
Find similar
Frontier
Jul 20
SAN7:04 pmSan Diego
8h 30m
1 stop
IAD6:34 amWashington, D.C. Dulles Intl
Jul 27
IAD7:30 amWashington, D.C. Dulles Intl
7h 34m
1 stop
SAN12:04 pmSan Diego
$194
Find similar
Frontier
Jul 28
SAN7:05 pmSan Diego
8h 29m
1 stop
IAD6:34 amWashington, D.C. Dulles Intl
Aug 3
IAD7:30 amWashington, D.C. Dulles Intl
7h 34m
1 stop
SAN12:04 pmSan Diego
$199
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Hawaiian Airlines flights from San Diego to Washington, D.C. Dulles Intl Airport

Our best Hawaiian Airlines deals on San Diego to Washington, D.C. Dulles Intl Airport flight tickets
Hawaiian Airlines
Aug 26
SAN8:33 amSan Diego
5h 14m
IAD4:47 pmWashington, D.C. Dulles Intl
Sep 2
IAD5:52 pmWashington, D.C. Dulles Intl
5h 27m
SAN8:19 pmSan Diego
$222
Find similar
Hawaiian Airlines
Aug 30
SAN8:33 amSan Diego
5h 14m
IAD4:47 pmWashington, D.C. Dulles Intl
Sep 6
IAD5:52 pmWashington, D.C. Dulles Intl
5h 27m
SAN8:19 pmSan Diego
$223
Find similar
Hawaiian Airlines
Aug 30
SAN8:33 amSan Diego
5h 14m
IAD4:47 pmWashington, D.C. Dulles Intl
Sep 6
IAD7:00 amWashington, D.C. Dulles Intl
10h 16m
1 stop
SAN2:16 pmSan Diego
$227
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from San Diego to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, August is the cheapest month to fly from San Diego to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $322. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $347.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $416. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to Washington, D.C. Dulles Intl Airport for around $619.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from San Diego in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $194 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $626 on average. Flights to Washington, D.C. Dulles Intl Airport from San Diego at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest San Diego to Washington, D.C. Dulles Intl flight route?

Fly from San Diego to Washington, D.C. Dulles Intl for the best San Diego - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $388 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from San Diego for as low as $324 on momondo.

What cabin class options are available on San Diego to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on San Diego to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 35% on your flight if you consider stops on a San Diego to Washington, D.C. Dulles Intl Airport flight.

How have San Diego to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of July 2025, prices for San Diego to Washington, D.C. Dulles Intl Airport flights are approximately 61% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Washington, D.C. Dulles Intl Airport (SAN to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Washington, D.C. Dulles Intl Airport

Best Price Found

$72

Fastest flight time

4h 55m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from San Diego in the past 72 hours is $72. The best round-trip flight deal from San Diego to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $202.
The fastest flight from San Diego to Washington, D.C. Dulles Intl Airport takes 4h 55m
Direct flights go from San Diego to Washington, D.C. Dulles Intl Airport every day.
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  • How far is San Diego to Washington, D.C. Dulles Intl by plane?

    There are 2245.8 mi between San Diego and Washington, D.C. Dulles Intl. By plane, this route typically takes 5h 14m.

  • When did momondo last update prices for flights from San Diego Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from San Diego Airport to Washington, D.C. Dulles Intl Airport were last updated today.

  • How many operators does momondo search for flights from San Diego Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from San Diego Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Diego to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from San Diego to Washington, D.C. Dulles Intl Airport?

Best airlines flying from San Diego to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from San Diego to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $113Free CancellationRating
5.9
3,260 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $158Free CancellationRating
7.8
2,571 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $198Free CancellationRating
8.0
7,953 reviews
Search Delta flights
Alaska AirlinesPriceFrom $236Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
8,856 reviews
Search United Airlines flights
SouthwestPriceFrom $259Free CancellationRating
8.0
4,243 reviews
Search Southwest flights
American AirlinesPriceFrom $352Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Alaska Airlines Flights From San Diego to Washington, D.C. Dulles Intl Airport

    Alaska Airlines is one of the most popular airlines flying from San Diego to Washington, D.C. Dulles Intl Airport, operating 7 flights/week on average for this route. A good Alaska Airlines flight deal for San Diego to Washington, D.C. Dulles Intl Airport starts from $236 round-trip, up to an average price of $344. Our users have rated Alaska Airlines at 8.0/10.

  • Hawaiian Airlines Flights From San Diego to Washington, D.C. Dulles Intl Airport

    Hawaiian Airlines (7.8/10 from 2,571 reviews) operates around 7 flights from San Diego to Washington, D.C. Dulles Intl Airport in any given week. The average Hawaiian Airlines airfare for this route is around $347, with deals from around $158 rare but found on momondo. Referenced prices are for round-trip San Diego to Washington, D.C. Dulles Intl Airport flight searches in the last 72 hours.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Winchester
Laurel
Woodbridge
Silver Spring
Tysons
Waldorf
Fredericksburg
Manassas
Harpers Ferry
Gaithersburg
Rockville
Towson
Fairfax
Colonial Beach
Glen Burnie
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from San Diego to Washington, D.C. with flexible booking policies on momondo?

All flight searches from San Diego to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Washington, D.C.?

momondo helps you find the best flight between San Diego and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Diego to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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