Title:  Cheap Flights from Niagara Falls to Washington (IAG to IAD) - Expedia.co.uk

  

![Chantilly, France - December 2013: The chateau at Chantilly](https://images.trvl-media.com/place/8638/8a4635fc-37fb-4de8-b687-777b12acac2c.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

![](https://images.trvl-media.com/place/8638/8a4635fc-37fb-4de8-b687-777b12acac2c.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# Cheap Flights from Niagara Falls (IAG) to Washington (IAD)

-   [Return](?flightType=roundtrip)
-   [One-way](?flightType=oneway)
-   [Multi-city](?flightType=multicity)

### Travellers

Adults

ChildrenAges 2 to 17

InfantsYounger than 2

EconomyPremium economyBusiness classFirst class

Leaving from

Going to

Departing

Returning

Add a place to stay

Add a car

Direct flights only

## Popular airlines from Niagara Falls, NY (IAG-Niagara Falls Intl.) to Washington Dulles International Airport (IAD)

-   ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg)
    
    British Airways
    
    [](https://www.expedia.co.uk/Flights-Search?leg1=from:iag,to:iad,departure:05/10/2025TANYT&leg2=from:iad,to:iag,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}])
-   ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg)
    
    easyJet
    
    [](https://www.expedia.co.uk/Flights-Search?leg1=from:iag,to:iad,departure:05/10/2025TANYT&leg2=from:iad,to:iag,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}])
-   ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg)
    
    Lufthansa
    
    [](https://www.expedia.co.uk/Flights-Search?leg1=from:iag,to:iad,departure:05/10/2025TANYT&leg2=from:iad,to:iag,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}])
-   ![Ryanair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg)
    
    Ryanair
    
    [](https://www.expedia.co.uk/Flights-Search?leg1=from:iag,to:iad,departure:05/10/2025TANYT&leg2=from:iad,to:iag,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}])
-   ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg)
    
    American Airlines
    
    [](https://www.expedia.co.uk/Flights-Search?leg1=from:iag,to:iad,departure:05/10/2025TANYT&leg2=from:iad,to:iag,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])
-   ![Jet2](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg)
    
    Jet2
    
    [](https://www.expedia.co.uk/Flights-Search?leg1=from:iag,to:iad,departure:05/10/2025TANYT&leg2=from:iad,to:iag,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}])
-   ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg)
    
    Swiss International Air Lines
    
    [](https://www.expedia.co.uk/Flights-Search?leg1=from:iag,to:iad,departure:05/10/2025TANYT&leg2=from:iad,to:iag,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}])

![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg)

### 

Be in the know

Get alerts if flight prices drop or rise\*

![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg)

### 

Book smarter

Save up to 25% on select hotels after you book a flight\*

![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg)

### 

Earn twice

Earn your airline miles on top of our rewards

[Sign in](https://www.expedia.co.uk/login)

Flight from Niagara Falls to Washington route information

| Origin airport | Niagara Falls Intl. |
| --- | --- |
| Destination airport | Washington Dulles Intl. |
| Distance | 475 km |

## Compare flights from Niagara Falls to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Niagara Falls to Washington. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Washington Dulles Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Niagara Falls Intl. to Washington Dulles Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Niagara Falls Intl. (IAG) to Washington Dulles Intl. (IAD)

The easiest way to view the best deals on flights from Niagara Falls to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Niagara Falls Intl. to Washington Dulles Intl. start at just and range up to .  

To find an even better deal, try  

-   being flexible on your dates – midweek flights can be cheaper
-   looking for other airports near Niagara Falls and Washington
-   booking your flight during , the cheapest month on this route
-   varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Niagara Falls to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Niagara Falls Intl. to Washington Dulles Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

## Frequently asked questions

### How much is a flight from Niagara Falls Intl. Airport to Washington Dulles Intl. Airport (IAD)?

> Start packing your bags, because round-trip journeys between Niagara Falls Intl. Airport and Washington Dulles Intl. Airport (IAD) start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.

### Do I need to pay a cancellation fee if I cancel my flight from IAG to IAD?

> Most flights can be cancelled online, but whether you are charged a fee varies between airlines. If you do need to cancel your break, follow the instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033).

### How do I find cheap flights from IAG to Washington Dulles Intl. Airport (IAD) that have flexible change policies?

> Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Niagara Falls Intl. Airport (IAG) to Washington Dulles Intl. Airport (IAD) flights, you'll see a "no change fees" filter for you to select.

### How far is the flight from IAG to IAD?

> That movie you've been desperate to see will have to wait — the flight distance between Niagara Falls Intl. Airport (IAG) and IAD is only 480 kilometres. The captain will be telling you to put your seat upright for landing before you know it.

### Which airlines fly direct from Niagara Falls Intl. Airport to Washington Dulles Intl. Airport (IAD)?

> Unfortunately, there aren't any airlines that directly fly between Niagara Falls Intl. Airport (IAG) and Washington Dulles Intl. Airport (IAD). You'll need to book a flight with one or more stops.

### Are Niagara Falls Intl. Airport to IAD flight tickets cheaper when they're purchased at the last minute?

> Flight prices are constantly going up and down, so it's no sure thing. While last-minute flight deals between Niagara Falls Intl. Airport (IAG) and Washington Dulles Intl. Airport (IAD) are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some airlines advertise their prices up to 12 months prior to the departure date. Expedia is constantly updating the best bargains around, so keep checking and be ready to lock in your seat when the fares dip.

## Explore a world of travel with Expedia

-   Flights

### Flights

-   [Flights from Aberdeen (ABR) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/abr/dca/aberdeen-to-washington)
-   [Flights from Atlantic City (ACY) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/acy/dca/atlantic-city-to-washington)
-   [Flights from Atlanta (ATL) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/atl/dca/atlanta-to-washington)
-   [Flights from Atlanta (ATL) to Manassas (MNZ)](https://www.expedia.co.uk/lp/flights/atl/mnz/atlanta-to-manassas)
-   [Flights from Austin (AUS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/aus/dca/austin-to-washington)
-   [Flights from Asheville (AVL) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/avl/dca/asheville-to-washington)
-   [Flights from Bridgetown (BGI) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/bgi/dca/bridgetown-to-washington)
-   [Flights from Belfast (BHD) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/bhd/dca/belfast-to-washington)
-   [Flights from Birmingham (BHM) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/bhm/dca/birmingham-to-washington)
-   [Flights from Birmingham (BHX) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/bhx/dca/birmingham-to-washington)
-   [Flights from Nashville (BNA) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/bna/dca/nashville-to-washington)
-   [Flights from Boston (BOS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/bos/dca/boston-to-washington)
-   [Flights from Boston (BOS) to Manassas (MNZ)](https://www.expedia.co.uk/lp/flights/bos/mnz/boston-to-manassas)
-   [Flights from Burlington (BTV) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/btv/dca/burlington-to-washington)
-   [Flights from Buffalo (BUF) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/buf/dca/buffalo-to-washington)
-   [Flights from Paris (CDG) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/cdg/dca/paris-to-washington)
-   [Flights from Charleston (CHS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/chs/dca/charleston-to-washington)
-   [Flights from Cleveland (CLE) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/cle/dca/cleveland-to-washington)
-   [Flights from Charlotte (CLT) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/clt/dca/charlotte-to-washington)
-   [Flights from Colorado Springs (COS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/cos/dca/colorado-springs-to-washington)
-   [Flights from Charleston (CRW) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/crw/dca/charleston-to-washington)
-   [Flights from Cincinnati (CVG) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/cvg/dca/cincinnati-to-washington)
-   [Flights from Dayton (DAY) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/day/dca/dayton-to-washington)
-   [Flights from Denver (DEN) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/den/dca/denver-to-washington)
-   [Flights from Dallas (DFW) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/dfw/dca/dallas-to-washington)
-   [Flights from Detroit (DTW) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/dtw/dca/detroit-to-washington)
-   [Flights from Dublin (DUB) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/dub/dca/dublin-to-washington)
-   [Flights from Edinburgh (EDI) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/edi/dca/edinburgh-to-washington)
-   [Flights from Newark Liberty Intl. Airport (EWR) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/ewr/dca/newark-liberty-intl-airport-to-washington)
-   [Flights from Rome (FCO) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/fco/dca/rome-to-washington)
-   [Flights from Fort Lauderdale (FLL) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/fll/dca/fort-lauderdale-to-washington)
-   [Flights from Frankfurt (FRA) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/fra/dca/frankfurt-to-washington)
-   [Flights from Glasgow (GLA) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/gla/dca/glasgow-to-washington)
-   [Flights from Grand Rapids (GRR) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/grr/dca/grand-rapids-to-washington)
-   [Flights from Greensboro (GSO) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/gso/dca/greensboro-to-washington)
-   [Flights from Houston (HOU) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/hou/dca/houston-to-washington)
-   [Flights from Huntington (HTS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/hts/dca/huntington-to-washington)
-   [Flights from New Haven (HVN) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/hvn/dca/new-haven-to-washington)
-   [Flights from Houston (IAH) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/iah/dca/houston-to-washington)
-   [Flights from Wilmington (ILM) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/ilm/dca/wilmington-to-washington)
-   [Flights from Indianapolis (IND) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/ind/dca/indianapolis-to-washington)
-   [Flights from Jacksonville (JAX) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/jax/dca/jacksonville-to-washington)
-   [Flights from New York (JFK) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/jfk/dca/new-york-to-washington)
-   [Flights from Kingston (KIN) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/kin/dca/kingston-to-washington)
-   [Flights from Las Vegas (LAS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/las/dca/las-vegas-to-washington)
-   [Flights from Los Angeles (LAX) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/lax/dca/los-angeles-to-washington)
-   [Flights from Lexington (LEX) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/lex/dca/lexington-to-washington)
-   [Flights from Lexington (LEX) to Manassas (MNZ)](https://www.expedia.co.uk/lp/flights/lex/mnz/lexington-to-manassas)
-   [Flights from New York (LGA) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/lga/dca/new-york-to-washington)
-   [Flights from London (LGW) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/lgw/dca/london-to-washington)
-   [Flights from London (LHR) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/lhr/dca/london-to-washington)
-   [Flights from London (LHR) to Manassas (MNZ)](https://www.expedia.co.uk/lp/flights/lhr/mnz/london-to-manassas)
-   [Flights from London (LON) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/lon/dca/london-to-washington)
-   [Flights from Manchester (MAN) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/man/dca/manchester-to-washington)
-   [Flights from Montego Bay (MBJ) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/mbj/dca/montego-bay-to-washington)
-   [Flights from Kansas City (MCI) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/mci/dca/kansas-city-to-washington)
-   [Flights from Orlando (MCO) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/mco/dca/orlando-to-washington)
-   [Flights from Memphis (MEM) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/mem/dca/memphis-to-washington)
-   [Flights from Manchester (MHT) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/mht/dca/manchester-to-washington)
-   [Flights from Miami (MIA) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/mia/dca/miami-to-washington)
-   [Flights from Madison (MSN) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/msn/dca/madison-to-washington)
-   [Flights from Minneapolis (MSP) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/msp/dca/minneapolis-to-washington)
-   [Flights from New Orleans (MSY) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/msy/dca/new-orleans-to-washington)
-   [Flights from Myrtle Beach (MYR) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/myr/dca/myrtle-beach-to-washington)
-   [Flights from Nassau (NAS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/nas/dca/nassau-to-washington)
-   [Flights from Oklahoma City (OKC) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/okc/dca/oklahoma-city-to-washington)
-   [Flights from Omaha (OMA) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/oma/dca/omaha-to-washington)
-   [Flights from Chicago (ORD) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/ord/dca/chicago-to-washington)
-   [Flights from Norfolk (ORF) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/orf/dca/norfolk-to-washington)
-   [Flights from West Palm Beach (PBI) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/pbi/dca/west-palm-beach-to-washington)
-   [Flights from Portland (PDX) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/pdx/dca/portland-to-washington)
-   [Flights from Philadelphia (PHL) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/phl/dca/philadelphia-to-washington)
-   [Flights from Philadelphia (PHL) to Manassas (MNZ)](https://www.expedia.co.uk/lp/flights/phl/mnz/philadelphia-to-manassas)
-   [Flights from Phoenix (PHX) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/phx/dca/phoenix-to-washington)
-   [Flights from Pittsburgh (PIT) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/pit/dca/pittsburgh-to-washington)
-   [Flights from Providenciales (PLS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/pls/dca/providenciales-to-washington)
-   [Flights from Port of Spain (POS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/pos/dca/port-of-spain-to-washington)
-   [Flights from Providence (PVD) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/pvd/dca/providence-to-washington)
-   [Flights from Portland (PWM) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/pwm/dca/portland-to-washington)
-   [Flights from Raleigh (RDU) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/rdu/dca/raleigh-to-washington)
-   [Flights from Rochester (ROC) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/roc/dca/rochester-to-washington)
-   [Flights from San Diego (SAN) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/san/dca/san-diego-to-washington)
-   [Flights from San Antonio (SAT) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/sat/dca/san-antonio-to-washington)
-   [Flights from Savannah (SAV) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/sav/dca/savannah-to-washington)
-   [Flights from Louisville (SDF) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/sdf/dca/louisville-to-washington)
-   [Flights from Seattle (SEA) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/sea/dca/seattle-to-washington)
-   [Flights from San Francisco (SFO) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/sfo/dca/san-francisco-to-washington)
-   [Flights from Salt Lake City (SLC) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/slc/dca/salt-lake-city-to-washington)
-   [Flights from Orange County (SNA) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/sna/dca/orange-county-to-washington)
-   [Flights from Southampton (SOU) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/sou/dca/southampton-to-washington)
-   [Flights from St. Louis (STL) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/stl/dca/st-louis-to-washington)
-   [Flights from Sydney (SYD) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/syd/dca/sydney-to-washington)
-   [Flights from Syracuse (SYR) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/syr/dca/syracuse-to-washington)
-   [Flights from Tampa (TPA) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/tpa/dca/tampa-to-washington)
-   [Flights from Edmonton (YEG) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/yeg/dca/edmonton-to-washington)
-   [Flights from Halifax (YHZ) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/yhz/dca/halifax-to-washington)
-   [Flights from Ottawa (YOW) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/yow/dca/ottawa-to-washington)
-   [Flights from Vancouver (YVR) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/yvr/dca/vancouver-to-washington)
-   [Flights from Calgary (YYC) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/yyc/dca/calgary-to-washington)
-   [Flights from Toronto (YYZ) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/yyz/dca/toronto-to-washington)

\*Available to Expedia members.